// Copyright (c) Pixel Crushers. All rights reserved.

using System;
using System.Collections.Generic;
using System.Text;
using UnityEditor;
using UnityEngine;

namespace PixelCrushers.DialogueSystem
{

    /// <summary>
    /// This Lua script wizard is meant to be called from a custom editor's
    /// OnInspectorGUI() method.
    /// </summary>
    public class LuaScriptWizard : LuaWizardBase
    {

        private enum ValueSetMode
        {
            To,
            Add,
            Subtract
        }

        private enum NetSetMode
        {
            Set,
            NetSet
        }

        private class ScriptItem
        {
            public ScriptWizardResourceType resourceType = ScriptWizardResourceType.Quest;
            public int questNamesIndex = 0;
            public int questEntryIndex = 0;
            public int variableNamesIndex = 0;
            public int actorNamesIndex = 0;
            public int actorFieldIndex = 0;
            public int itemNamesIndex = 0;
            public int itemFieldIndex = 0;
            public int locationNamesIndex = 0;
            public int locationFieldIndex = 0;
            public int simStatusID = 0;
            public int customLuaFuncIndex = 0;
            public SimStatusType simStatusType = SimStatusType.Untouched;
            public QuestState questState = QuestState.Unassigned;
            public string stringValue = string.Empty;
            public BooleanType booleanValue = BooleanType.True;
            public float floatValue = 0;
            public ValueSetMode valueSetMode = ValueSetMode.To;
            public NetSetMode netSetMode = NetSetMode.Set;
            public string[] scriptQuestEntryNames = new string[0];
            public object[] customParamValues = null;
            public string newVariableName = string.Empty;
            public FieldType newVariableType = FieldType.Boolean;

            public ScriptItem()
            {
                resourceType = LuaWizardBase.GetConditionResourceTypeToScriptResourceType(s_lastWizardResourceType);
                questNamesIndex = s_lastQuestNamesIndex;
                questEntryIndex = s_lastQuestEntryIndex;
                actorNamesIndex = s_lastActorNamesIndex;
                actorFieldIndex = s_lastActorFieldIndex;
                itemNamesIndex = s_lastItemNamesIndex;
                itemFieldIndex = s_lastItemFieldIndex;
                locationNamesIndex = s_lastLocationNameIndex;
                locationFieldIndex = s_lastLocationFieldIndex;
                variableNamesIndex = s_lastVariableNameIndex;
            }
        }

        private bool isOpen = false;
        private List<ScriptItem> scriptItems = new List<ScriptItem>();
        private string savedLuaCode = string.Empty;
        private bool append = true;
        private CustomLuaFunctionInfoRecord[] builtinLuaFuncs = null;
        private string[] builtinLuaFuncNames = null;
        private CustomLuaFunctionInfoRecord[] customLuaFuncs = null;
        private string[] customLuaFuncNames = null;

        public bool IsOpen { get { return isOpen; } }

        public LuaScriptWizard(DialogueDatabase database) :
        base(database)
        {
        }

        public float GetHeight()
        {
            if (database == null) return 0;
            if (!isOpen) return EditorGUIUtility.singleLineHeight;
            var height = Mathf.Max(3, scriptItems.Count + 3) * (EditorGUIUtility.singleLineHeight + 2f);
            return height;
        }

        public string Draw(GUIContent guiContent, string luaCode)
        {
            if (database == null) isOpen = false;

            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.LabelField(guiContent);
            EditorGUI.BeginDisabledGroup(database == null);
            if (GUILayout.Button(new GUIContent("...", "Open Lua wizard."), EditorStyles.miniButton, GUILayout.Width(22)))
            {
                ToggleScriptWizard();
                if (isOpen) savedLuaCode = luaCode;
            }
            EditorGUI.EndDisabledGroup();
            EditorGUILayout.EndHorizontal();

            if (isOpen)
            {
                luaCode = DrawScriptWizard(luaCode);
            }

            luaCode = EditorGUILayout.TextArea(luaCode, EditorTools.textAreaGuiStyle);

            return luaCode;
        }

        public void OpenWizard(string luaCode)
        {
            if (isOpen) return;
            ToggleScriptWizard();
            if (isOpen) savedLuaCode = luaCode;
            append = true;
        }

        public void ResetWizard()
        {
            isOpen = false;
            savedLuaCode = string.Empty;
        }

        private void ToggleScriptWizard()
        {
            isOpen = !isOpen;
            if (isOpen) append = true;
            scriptItems.Clear();
            RefreshWizardResources();
        }

        private string DrawScriptWizard(string luaCode)
        {
            EditorGUILayout.BeginVertical("button");

            EditorGUI.BeginChangeCheck();

            // Script items:
            ScriptItem itemToDelete = null;
            foreach (ScriptItem item in scriptItems)
            {
                DrawScriptItem(item, ref itemToDelete);
            }
            if (itemToDelete != null) scriptItems.Remove(itemToDelete);

            // "+", Revert, and Apply buttons:
            EditorGUILayout.BeginHorizontal();
            if (GUILayout.Button(new GUIContent("+", "Add a new script action."), EditorStyles.miniButton, GUILayout.Width(22)))
            {
                scriptItems.Add(new ScriptItem());
            }

            GUILayout.FlexibleSpace();
            append = EditorGUILayout.ToggleLeft("Append", append, EditorTools.GUILayoutToggleWidth("Append"));

            if (EditorGUI.EndChangeCheck()) ApplyScriptWizard();

            if (GUILayout.Button(new GUIContent("Revert", "Cancel these settings."), EditorStyles.miniButton, EditorTools.GUILayoutButtonWidth("Revert")))
            {
                luaCode = CancelScriptWizard();
            }
            if (GUILayout.Button(new GUIContent("Apply", "Apply these settings"), EditorStyles.miniButton, EditorTools.GUILayoutButtonWidth("Apply")))
            {
                luaCode = AcceptScriptWizard();
            }
            EditorGUILayout.EndHorizontal();

            EditorGUILayout.EndVertical();

            return luaCode;
        }

        private void ValidateCustomLuaFunctionInfo()
        {
            if (customLuaFuncs == null)
            {
                FindAllCustomLuaFuncs(false, 
                    out builtinLuaFuncs, out builtinLuaFuncNames,
                    out customLuaFuncs, out customLuaFuncNames);
            }
        }

        private void DrawScriptItem(ScriptItem item, ref ScriptItem itemToDelete)
        {
            EditorGUILayout.BeginHorizontal();

#if USE_UNET
            if (item.resourceType == ScriptWizardResourceType.Quest || item.resourceType == ScriptWizardResourceType.QuestEntry || item.resourceType == ScriptWizardResourceType.Variable)
            {
                item.netSetMode = (NetSetMode)EditorGUILayout.EnumPopup(item.netSetMode, EditorTools.GUILayoutPopupWidth(item.netSetMode));
            }
            else
            {
                item.netSetMode = NetSetMode.Set;
                EditorGUILayout.LabelField("Set", EditorTools.GUILayoutLabelWidth("Set"));
            }
#else
            EditorGUILayout.LabelField("Set", EditorTools.GUILayoutLabelWidth("Set"));
#endif
            ScriptWizardResourceType newResourceType = (ScriptWizardResourceType)EditorGUILayout.EnumPopup(item.resourceType, EditorTools.GUILayoutPopupWidth(item.resourceType));
            if (newResourceType != item.resourceType)
            {
                item.resourceType = newResourceType;
                item.scriptQuestEntryNames = new string[0];

                s_lastWizardResourceType = LuaWizardBase.GetScriptResourceTypeToConditionResourceType(newResourceType);
            }

            if (item.resourceType == ScriptWizardResourceType.Quest)
            {
                // Quest:
                item.questNamesIndex = EditorGUILayout.Popup(item.questNamesIndex, questNames);
                EditorGUILayout.LabelField("to", EditorTools.GUILayoutLabelWidth("to"));
                item.questState = QuestStateDrawer.LayoutQuestStatePopup(item.questState, 96);

                s_lastQuestNamesIndex = item.questNamesIndex;
            }
            else if (item.resourceType == ScriptWizardResourceType.QuestEntry)
            {
                // Quest Entry:
                int newQuestNamesIndex = EditorGUILayout.Popup(item.questNamesIndex, complexQuestNames);
                if (newQuestNamesIndex != item.questNamesIndex)
                {
                    item.questNamesIndex = newQuestNamesIndex;
                    item.scriptQuestEntryNames = new string[0];
                }
                if ((item.scriptQuestEntryNames.Length == 0) && (item.questNamesIndex < complexQuestNames.Length))
                {
                    item.scriptQuestEntryNames = GetQuestEntryNames(complexQuestNames[item.questNamesIndex]);
                }
                item.questEntryIndex = EditorGUILayout.Popup(item.questEntryIndex, item.scriptQuestEntryNames);
                EditorGUILayout.LabelField("to", EditorTools.GUILayoutLabelWidth("to"));
                item.questState = QuestStateDrawer.LayoutQuestStatePopup(item.questState, 96);

                s_lastQuestNamesIndex = item.questNamesIndex;
                s_lastQuestEntryIndex = item.questEntryIndex;
            }
            else if (item.resourceType == ScriptWizardResourceType.Variable)
            {
                // Variable:
                item.variableNamesIndex = EditorGUILayout.Popup(item.variableNamesIndex, variablePopupNames);
                FieldType variableType;
                if (item.variableNamesIndex == 0)
                {
                    // New variable:
                    item.newVariableName = EditorGUILayout.TextField(item.newVariableName);
                    item.newVariableType = (FieldType)EditorGUILayout.EnumPopup(item.newVariableType);
                    variableType = item.newVariableType;
                }
                else
                {
                    // Existing variable:
                    variableType = GetWizardVariableType(item.variableNamesIndex);
                }
                DrawValueSetMode(item, variableType);
                switch (variableType)
                {
                    case FieldType.Boolean:
                        item.booleanValue = (BooleanType)EditorGUILayout.EnumPopup(item.booleanValue);
                        break;
                    case FieldType.Number:
                        item.floatValue = EditorGUILayout.FloatField(item.floatValue);
                        break;
                    default:
                        item.stringValue = EditorGUILayout.TextField(item.stringValue);
                        break;
                }

                s_lastVariableNameIndex = item.variableNamesIndex;
            }
            else if (item.resourceType == ScriptWizardResourceType.Actor)
            {
                // Actor:
                item.actorNamesIndex = EditorGUILayout.Popup(item.actorNamesIndex, actorNames);
                item.actorFieldIndex = EditorGUILayout.Popup(item.actorFieldIndex, actorFieldNames);
                var actorFieldType = GetWizardActorFieldType(item.actorFieldIndex);
                DrawValueSetMode(item, actorFieldType);
                switch (actorFieldType)
                {
                    case FieldType.Boolean:
                        item.booleanValue = (BooleanType)EditorGUILayout.EnumPopup(item.booleanValue);
                        break;
                    case FieldType.Number:
                        item.floatValue = EditorGUILayout.FloatField(item.floatValue);
                        break;
                    default:
                        CustomFieldType customFieldType = GetCustomFieldType(database.actors, item.actorNamesIndex, item.actorFieldIndex);
                        if (customFieldType != null) item.stringValue = customFieldType.Draw(item.stringValue, database);
                        else item.stringValue = EditorGUILayout.TextField(item.stringValue);
                        break;
                }

                s_lastActorNamesIndex = item.actorNamesIndex;
                s_lastActorFieldIndex = item.actorFieldIndex;
            }
            else if (item.resourceType == ScriptWizardResourceType.Item)
            {
                // Item:
                item.itemNamesIndex = EditorGUILayout.Popup(item.itemNamesIndex, itemNames);
                item.itemFieldIndex = EditorGUILayout.Popup(item.itemFieldIndex, itemFieldNames);
                var itemFieldType = GetWizardItemFieldType(item.itemFieldIndex);
                DrawValueSetMode(item, itemFieldType);
                switch (itemFieldType)
                {
                    case FieldType.Boolean:
                        item.booleanValue = (BooleanType)EditorGUILayout.EnumPopup(item.booleanValue);
                        break;
                    case FieldType.Number:
                        item.floatValue = EditorGUILayout.FloatField(item.floatValue);
                        break;
                    default:
                        CustomFieldType customFieldType = GetCustomFieldType(database.items, item.itemNamesIndex, item.itemFieldIndex);
                        if (customFieldType != null) item.stringValue = customFieldType.Draw(item.stringValue, database);
                        else item.stringValue = EditorGUILayout.TextField(item.stringValue);
                        break;
                }

                s_lastItemNamesIndex = item.itemNamesIndex;
                s_lastItemFieldIndex = item.itemFieldIndex;
            }
            else if (item.resourceType == ScriptWizardResourceType.Location)
            {
                // Location:
                item.locationNamesIndex = EditorGUILayout.Popup(item.locationNamesIndex, locationNames);
                item.locationFieldIndex = EditorGUILayout.Popup(item.locationFieldIndex, locationFieldNames);
                var locationFieldType = GetWizardLocationFieldType(item.locationFieldIndex);
                DrawValueSetMode(item, locationFieldType);
                switch (locationFieldType)
                {
                    case FieldType.Boolean:
                        item.booleanValue = (BooleanType)EditorGUILayout.EnumPopup(item.booleanValue);
                        break;
                    case FieldType.Number:
                        item.floatValue = EditorGUILayout.FloatField(item.floatValue);
                        break;
                    default:
                        CustomFieldType customFieldType = GetCustomFieldType(database.locations, item.locationNamesIndex, item.locationNamesIndex);
                        if (customFieldType != null) item.stringValue = customFieldType.Draw(item.stringValue, database);
                        else item.stringValue = EditorGUILayout.TextField(item.stringValue);
                        break;
                }

                s_lastLocationNameIndex = item.locationNamesIndex;
                s_lastLocationFieldIndex = item.locationFieldIndex;
            }
            else if (item.resourceType == ScriptWizardResourceType.SimStatus)
            {
                // SimStatus:
                item.simStatusID = EditorGUILayout.IntField(item.simStatusID, GUILayout.Width(50));
                item.simStatusType = (SimStatusType)EditorGUILayout.EnumPopup(item.simStatusType);

            }
            else if (item.resourceType == ScriptWizardResourceType.Alert)
            {
                // Alert:
                item.stringValue = EditorGUILayout.TextField(item.stringValue);

            }
            else if (item.resourceType == ScriptWizardResourceType.Misc)
            {
                ValidateCustomLuaFunctionInfo();

                int newCustomLuaFuncIndex = EditorGUILayout.Popup(item.customLuaFuncIndex, builtinLuaFuncNames);
                if (newCustomLuaFuncIndex != item.customLuaFuncIndex)
                {
                    item.customLuaFuncIndex = newCustomLuaFuncIndex;
                    item.customParamValues = null;
                }
                if (0 <= item.customLuaFuncIndex && item.customLuaFuncIndex < builtinLuaFuncs.Length)
                {
                    var luaFuncRecord = builtinLuaFuncs[item.customLuaFuncIndex];
                    if (item.customParamValues == null) InitCustomParamValues(luaFuncRecord, out item.customParamValues);
                    for (int i = 0; i < luaFuncRecord.parameters.Length; i++)
                    {
                        switch (luaFuncRecord.parameters[i])
                        {
                            case CustomLuaParameterType.Bool:
                                item.customParamValues[i] = (BooleanType)EditorGUILayout.EnumPopup((BooleanType)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.Double:
                                item.customParamValues[i] = EditorGUILayout.FloatField((float)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.String:
                                item.customParamValues[i] = EditorGUILayout.TextField((string)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.Actor:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], actorNames);
                                break;
                            case CustomLuaParameterType.Quest:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], questNames);
                                item.questNamesIndex = (int)item.customParamValues[i];
                                break;
                            case CustomLuaParameterType.QuestEntry:
                                if ((item.scriptQuestEntryNames.Length == 0) && (item.questNamesIndex < complexQuestNames.Length))
                                {
                                    item.scriptQuestEntryNames = GetQuestEntryNames(complexQuestNames[item.questNamesIndex]);
                                }
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], item.scriptQuestEntryNames);
                                break;
                            case CustomLuaParameterType.Variable:
                            case CustomLuaParameterType.VariableName:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], variablePopupNames);
                                break;
                            case CustomLuaParameterType.Item:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], itemNames);
                                break;
                            case CustomLuaParameterType.QuestState:
                                if (item.customParamValues[i] == null || item.customParamValues[i].GetType() != typeof(QuestState))
                                {
                                    item.customParamValues[i] = QuestState.Unassigned;
                                }
                                item.customParamValues[i] = (QuestState)EditorGUILayout.EnumPopup((QuestState)item.customParamValues[i]);
                                break;
                        }
                    }
                }
            }
            else if (item.resourceType == ScriptWizardResourceType.Custom)
            {
                ValidateCustomLuaFunctionInfo();

                int newCustomLuaFuncIndex = EditorGUILayout.Popup(item.customLuaFuncIndex, customLuaFuncNames);
                if (newCustomLuaFuncIndex != item.customLuaFuncIndex)
                {
                    item.customLuaFuncIndex = newCustomLuaFuncIndex;
                    item.customParamValues = null;
                }
                if (0 <= item.customLuaFuncIndex && item.customLuaFuncIndex < customLuaFuncs.Length)
                {
                    var luaFuncRecord = customLuaFuncs[item.customLuaFuncIndex];
                    if (item.customParamValues == null) InitCustomParamValues(luaFuncRecord, out item.customParamValues);
                    for (int i = 0; i < luaFuncRecord.parameters.Length; i++)
                    {
                        switch (luaFuncRecord.parameters[i])
                        {
                            case CustomLuaParameterType.Bool:
                                item.customParamValues[i] = (BooleanType)EditorGUILayout.EnumPopup((BooleanType)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.Double:
                                item.customParamValues[i] = EditorGUILayout.FloatField((float)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.String:
                                item.customParamValues[i] = EditorGUILayout.TextField((string)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.Actor:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], actorNames);
                                break;
                            case CustomLuaParameterType.Quest:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], questNames);
                                item.questNamesIndex = (int)item.customParamValues[i];
                                break;
                            case CustomLuaParameterType.QuestEntry:
                                if ((item.scriptQuestEntryNames.Length == 0) && (item.questNamesIndex < complexQuestNames.Length))
                                {
                                    item.scriptQuestEntryNames = GetQuestEntryNames(complexQuestNames[item.questNamesIndex]);
                                }
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], item.scriptQuestEntryNames);
                                break;
                            case CustomLuaParameterType.Variable:
                            case CustomLuaParameterType.VariableName:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], variablePopupNames);
                                break;
                            case CustomLuaParameterType.Item:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], itemNames);
                                break;
                            case CustomLuaParameterType.QuestState:
                                if (item.customParamValues[i] == null || item.customParamValues[i].GetType() != typeof(QuestState))
                                {
                                    item.customParamValues[i] = QuestState.Unassigned;
                                }
                                item.customParamValues[i] = (QuestState)EditorGUILayout.EnumPopup((QuestState)item.customParamValues[i]);
                                break;
                        }
                    }
                }
            }
            else if (item.resourceType == ScriptWizardResourceType.ManualEnter)
            {
                // Manual enter:
                item.stringValue = EditorGUILayout.TextField(item.stringValue);
            }

            if (GUILayout.Button(new GUIContent("-", "Delete this script action."), EditorStyles.miniButton, GUILayout.Width(22)))
            {
                itemToDelete = item;
            }
            EditorGUILayout.EndHorizontal();
        }

        private void DrawValueSetMode(ScriptItem item, FieldType fieldType)
        {
            if (fieldType == FieldType.Number)
            {
                item.valueSetMode = (ValueSetMode)EditorGUILayout.EnumPopup(item.valueSetMode, EditorTools.GUILayoutPopupWidth(item.valueSetMode));
            }
            else
            {
                EditorGUILayout.LabelField("to", EditorTools.GUILayoutLabelWidth("to"));
            }
        }

        public string CancelScriptWizard()
        {
            isOpen = false;
            return savedLuaCode;
        }

        public string AcceptScriptWizard()
        {
            isOpen = false;
            AddNewVariables();
            return ApplyScriptWizard();
        }

        private void AddNewVariables()
        {
            foreach (var item in scriptItems)
            {
                if (item.resourceType == ScriptWizardResourceType.Variable && item.variableNamesIndex == 0)
                {
                    AddNewVariable(item.newVariableName, item.newVariableType);
                }
            }
        }

        private string ApplyScriptWizard()
        {
            try
            {
                StringBuilder sb = new StringBuilder();
                if (append && !string.IsNullOrEmpty(savedLuaCode))
                {
                    if (savedLuaCode.TrimEnd().EndsWith(";"))
                    {
                        sb.AppendFormat("{0}\n", savedLuaCode);
                    }
                    else
                    {
                        sb.AppendFormat("{0};\n", savedLuaCode);
                    }
                }
                string endText = (scriptItems.Count > 1) ? ";\n" : string.Empty;
                for (int i = 0; i < scriptItems.Count; i++)
                {
                    var item = scriptItems[i];
                    if (item.resourceType == ScriptWizardResourceType.Quest)
                    {

                        // Quest:
                        string questName = GetWizardQuestName(questNames, item.questNamesIndex);
                        if (item.netSetMode == NetSetMode.NetSet) sb.Append("Net");
                        sb.AppendFormat("SetQuestState(\"{0}\", \"{1}\")",
                                        questName,
                                        QuestLog.StateToString(item.questState));

                    }
                    else if (item.resourceType == ScriptWizardResourceType.QuestEntry)
                    {

                        // Quest Entry:
                        string questName = GetWizardQuestName(complexQuestNames, item.questNamesIndex);
                        if (item.netSetMode == NetSetMode.NetSet) sb.Append("Net");
                        sb.AppendFormat("SetQuestEntryState(\"{0}\", {1}, \"{2}\")",
                                        questName,
                                        item.questEntryIndex + 1,
                                        QuestLog.StateToString(item.questState));

                    }
                    else if (item.resourceType == ScriptWizardResourceType.Variable)
                    {

                        // Variable:
                        string variableName;
                        FieldType variableType;
                        if (item.variableNamesIndex == 0)
                        {
                            variableName = item.newVariableName;
                            variableType = item.newVariableType;
                        }
                        else
                        {
                            variableName = (0 <= item.variableNamesIndex && item.variableNamesIndex < variableNames.Length) ? variableNames[item.variableNamesIndex] : "Alert";
                            variableType = GetWizardVariableType(item.variableNamesIndex);
                        }
                        switch (variableType)
                        {
                            case FieldType.Boolean:
                                if (item.netSetMode == NetSetMode.NetSet)
                                {
                                    sb.AppendFormat("NetSetBool(\"{0}\", {1})",
                                                    DialogueLua.StringToTableIndex(variableName),
                                                    (item.booleanValue == BooleanType.True) ? "true" : "false");
                                }
                                else
                                {
                                    sb.AppendFormat("Variable[\"{0}\"] = {1}",
                                                    DialogueLua.StringToTableIndex(variableName),
                                                    (item.booleanValue == BooleanType.True) ? "true" : "false");
                                }
                                break;
                            case FieldType.Number:
                                if (item.netSetMode == NetSetMode.NetSet)
                                {
                                    switch (item.valueSetMode)
                                    {
                                        case ValueSetMode.To:
                                            sb.AppendFormat("NetSetNumber(\"{0}\", {1})",
                                                            DialogueLua.StringToTableIndex(variableName),
                                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                                            break;
                                        case ValueSetMode.Add:
                                            sb.AppendFormat("NetSetNumber(\"{0}\", Variable[\"{0}\"] + {1})",
                                                            DialogueLua.StringToTableIndex(variableName),
                                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                                            break;
                                        case ValueSetMode.Subtract:
                                            sb.AppendFormat("NetSetNumber(\"{0}\", Variable[\"{0}\"] - {1})",
                                                            DialogueLua.StringToTableIndex(variableName),
                                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                                            break;
                                    }
                                }
                                else
                                {
                                    switch (item.valueSetMode)
                                    {
                                        case ValueSetMode.To:
                                            sb.AppendFormat("Variable[\"{0}\"] = {1}",
                                                            DialogueLua.StringToTableIndex(variableName),
                                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                                            break;
                                        case ValueSetMode.Add:
                                            sb.AppendFormat("Variable[\"{0}\"] = Variable[\"{0}\"] + {1}",
                                                            DialogueLua.StringToTableIndex(variableName),
                                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                                            break;
                                        case ValueSetMode.Subtract:
                                            sb.AppendFormat("Variable[\"{0}\"] = Variable[\"{0}\"] - {1}",
                                                            DialogueLua.StringToTableIndex(variableName),
                                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                                            break;
                                    }
                                }
                                break;
                            default:
                                if (item.netSetMode == NetSetMode.NetSet)
                                {
                                    sb.AppendFormat("NetSetString(\"{0}\", \"{1}\")",
                                                    DialogueLua.StringToTableIndex(variableName),
                                                    item.stringValue);
                                }
                                else
                                {
                                    sb.AppendFormat("Variable[\"{0}\"] = \"{1}\"",
                                                    DialogueLua.StringToTableIndex(variableName),
                                                    item.stringValue);
                                }
                                break;
                        }

                    }
                    else if (item.resourceType == ScriptWizardResourceType.Actor)
                    {

                        // Actor:
                        if (item.actorNamesIndex < actorNames.Length)
                        {
                            item.actorFieldIndex = Mathf.Clamp(item.actorFieldIndex, 0, actorFieldNames.Length - 1);
                            var actorName = actorNames[item.actorNamesIndex];
                            var actorFieldName = actorFieldNames[item.actorFieldIndex];
                            var fieldType = GetWizardActorFieldType(item.actorFieldIndex);
                            AppendFormat(sb, "Actor", actorName, actorFieldName, fieldType, item);
                        }

                    }
                    else if (item.resourceType == ScriptWizardResourceType.Item)
                    {

                        // Item:
                        if (item.itemNamesIndex < itemNames.Length)
                        {
                            item.itemFieldIndex = Mathf.Clamp(item.itemFieldIndex, 0, itemFieldNames.Length - 1);
                            var itemName = itemNames[item.itemNamesIndex];
                            var itemFieldName = itemFieldNames[item.itemFieldIndex];
                            var fieldType = GetWizardItemFieldType(item.itemFieldIndex);
                            AppendFormat(sb, "Item", itemName, itemFieldName, fieldType, item);
                        }

                    }
                    else if (item.resourceType == ScriptWizardResourceType.Location)
                    {

                        // Location:
                        if (item.locationNamesIndex < locationNames.Length)
                        {
                            item.locationFieldIndex = Mathf.Clamp(item.locationFieldIndex, 0, locationFieldNames.Length - 1);
                            var locationName = locationNames[item.locationNamesIndex];
                            var locationFieldName = locationFieldNames[item.locationFieldIndex];
                            var fieldType = GetWizardLocationFieldType(item.locationFieldIndex);
                            AppendFormat(sb, "Location", locationName, locationFieldName, fieldType, item);
                        }
                    }
                    else if (item.resourceType == ScriptWizardResourceType.SimStatus)
                    {

                        // SimStatus:
                        sb.AppendFormat("Dialog[{0}].SimStatus = \"{1}\"", item.simStatusID, item.simStatusType);
                    }
                    else if (item.resourceType == ScriptWizardResourceType.Alert)
                    {

                        // Custom:
                        sb.Append("ShowAlert(\"" + item.stringValue.Replace("\"", "\\\"") + "\")");
                    }

                    else if (item.resourceType == ScriptWizardResourceType.Misc)
                    {

                        // Custom:
                        ValidateCustomLuaFunctionInfo();
                        if (0 <= item.customLuaFuncIndex && item.customLuaFuncIndex < builtinLuaFuncs.Length)
                        {
                            var luaFuncRecord = builtinLuaFuncs[item.customLuaFuncIndex];
                            sb.Append(Tools.GetAllAfterSlashes(luaFuncRecord.functionName) + "(");
                            for (int p = 0; p < luaFuncRecord.parameters.Length; p++)
                            {
                                if (p > 0) sb.Append(", ");
                                switch (luaFuncRecord.parameters[p])
                                {
                                    case CustomLuaParameterType.Bool:
                                        sb.Append(((BooleanType)item.customParamValues[p] == BooleanType.True) ? "true" : "false");
                                        break;
                                    case CustomLuaParameterType.Double:
                                        sb.Append(((float)item.customParamValues[p]).ToString(System.Globalization.CultureInfo.InvariantCulture));
                                        break;
                                    case CustomLuaParameterType.String:
                                        sb.Append("\"" + (string)item.customParamValues[p] + "\"");
                                        break;
                                    case CustomLuaParameterType.Actor:
                                        var actorIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= actorIndex && actorIndex < actorNames.Length) ? ("\"" + actorNames[actorIndex] + "\"") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.Quest:
                                        var questIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= questIndex && questIndex < questNames.Length) ? ("\"" + questNames[questIndex] + "\"") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.QuestEntry:
                                        sb.Append(((int)item.customParamValues[p] + 1).ToString());
                                        break;
                                    case CustomLuaParameterType.Variable:
                                        var variableIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= variableIndex && variableIndex < variableNames.Length) ? ("Variable[\"" + DialogueLua.StringToTableIndex(variableNames[variableIndex]) + "\"]") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.VariableName:
                                        var variableNameIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= variableNameIndex && variableNameIndex < variableNames.Length) ? ("\"" + variableNames[variableNameIndex] + "\"") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.Item:
                                        var itemIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= itemIndex && itemIndex < itemNames.Length) ? ("\"" + itemNames[itemIndex] + "\"") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.QuestState:
                                        var tempQuestState = (item.customParamValues[p] == null || item.customParamValues[p].GetType() != typeof(QuestState))
                                            ? QuestState.Unassigned : ((QuestState)(item.customParamValues[p]));
                                        sb.Append("\"" + QuestLog.StateToString(tempQuestState) + "\"");
                                        break;
                                }
                            }
                            sb.Append(")");
                        }
                    }

                    else if (item.resourceType == ScriptWizardResourceType.Custom)
                    {

                        // Custom:
                        ValidateCustomLuaFunctionInfo();
                        if (0 <= item.customLuaFuncIndex && item.customLuaFuncIndex < customLuaFuncs.Length)
                        {
                            var luaFuncRecord = customLuaFuncs[item.customLuaFuncIndex];
                            sb.Append(Tools.GetAllAfterSlashes(luaFuncRecord.functionName) + "(");
                            for (int p = 0; p < luaFuncRecord.parameters.Length; p++)
                            {
                                if (p > 0) sb.Append(", ");
                                switch (luaFuncRecord.parameters[p])
                                {
                                    case CustomLuaParameterType.Bool:
                                        sb.Append(((BooleanType)item.customParamValues[p] == BooleanType.True) ? "true" : "false");
                                        break;
                                    case CustomLuaParameterType.Double:
                                        sb.Append(((float)item.customParamValues[p]).ToString(System.Globalization.CultureInfo.InvariantCulture));
                                        break;
                                    case CustomLuaParameterType.String:
                                        sb.Append("\"" + (string)item.customParamValues[p] + "\"");
                                        break;
                                    case CustomLuaParameterType.Actor:
                                        var actorIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= actorIndex && actorIndex < actorNames.Length) ? ("\"" + actorNames[actorIndex] + "\"") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.Quest:
                                        var questIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= questIndex && questIndex < questNames.Length) ? ("\"" + questNames[questIndex] + "\"") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.QuestEntry:
                                        sb.Append(((int)item.customParamValues[p] + 1).ToString());
                                        break;
                                    case CustomLuaParameterType.Variable:
                                        var variableIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= variableIndex && variableIndex < variableNames.Length) ? ("Variable[\"" + DialogueLua.StringToTableIndex(variableNames[variableIndex]) + "\"]") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.VariableName:
                                        var variableNameIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= variableNameIndex && variableNameIndex < variableNames.Length) ? ("\"" + variableNames[variableNameIndex] + "\"") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.Item:
                                        var itemIndex = (int)item.customParamValues[p];
                                        sb.Append((0 <= itemIndex && itemIndex < itemNames.Length) ? ("\"" + itemNames[itemIndex] + "\"") : "\"\"");
                                        break;
                                    case CustomLuaParameterType.QuestState:
                                        var tempQuestState = (item.customParamValues[p] == null || item.customParamValues[p].GetType() != typeof(QuestState))
                                            ? QuestState.Unassigned : ((QuestState)(item.customParamValues[p]));
                                        sb.Append("\"" + QuestLog.StateToString(tempQuestState) + "\"");
                                        break;
                                }
                            }
                            sb.Append(")");
                        }
                    }

                    else if (item.resourceType == ScriptWizardResourceType.ManualEnter)
                    {

                        // Manual enter:
                        sb.Append(item.stringValue);
                    }

                    if (i < (scriptItems.Count - 1)) sb.AppendFormat(endText);
                }
                return sb.ToString();
            }
            catch (Exception e)
            {
                Debug.LogError(string.Format("{0}: Internal error building script: {1}", DialogueDebug.Prefix, e.Message));
                return savedLuaCode;
            }
        }

        private void AppendFormat(StringBuilder sb, string tableName, string elementName, string fieldName, FieldType fieldType, ScriptItem item)
        {
            switch (fieldType)
            {
                case FieldType.Boolean:
                    sb.AppendFormat("{0}[\"{1}\"].{2} = {3}",
                                    tableName,
                                    DialogueLua.StringToTableIndex(elementName),
                                    DialogueLua.StringToFieldName(fieldName),
                                    (item.booleanValue == BooleanType.True) ? "true" : "false");
                    break;
                case FieldType.Number:
                    switch (item.valueSetMode)
                    {
                        case ValueSetMode.To:
                            sb.AppendFormat("{0}[\"{1}\"].{2} = {3}",
                                            tableName,
                                            DialogueLua.StringToTableIndex(elementName),
                                            DialogueLua.StringToFieldName(fieldName),
                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                            break;
                        case ValueSetMode.Add:
                            sb.AppendFormat("{0}[\"{1}\"].{2} = {0}[\"{1}\"].{2} + {3}",
                                            tableName,
                                            DialogueLua.StringToTableIndex(elementName),
                                            DialogueLua.StringToFieldName(fieldName),
                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                            break;
                        case ValueSetMode.Subtract:
                            sb.AppendFormat("{0}[\"{1}\"].{2} = {0}[\"{1}\"].{2} - {3}",
                                            tableName,
                                            DialogueLua.StringToTableIndex(elementName),
                                            DialogueLua.StringToFieldName(fieldName),
                                            item.floatValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                            break;
                    }
                    break;
                default:
                    sb.AppendFormat("{0}[\"{1}\"].{2} = \"{3}\"",
                                    tableName,
                                    DialogueLua.StringToTableIndex(elementName),
                                    DialogueLua.StringToFieldName(fieldName),
                                    item.stringValue.ToString(System.Globalization.CultureInfo.InvariantCulture));
                    break;
            }
        }


        //====================================================================

        public string Draw(Rect position, GUIContent guiContent, string luaCode)
        {
            if (database == null) isOpen = false;

            // Title label:
            var rect = new Rect(position.x, position.y, position.width, EditorGUIUtility.singleLineHeight);
            EditorGUI.LabelField(rect, guiContent);

            var textAreaHeight = Mathf.Max(EditorGUIUtility.singleLineHeight, GUI.skin.textArea.CalcHeight(new GUIContent(luaCode), position.width));

            if (isOpen)
            {
                // Lua wizard content:
                rect = new Rect(position.x + 16, position.y + EditorGUIUtility.singleLineHeight + 2f, position.width - 16,
                    position.height - (4f + EditorGUIUtility.singleLineHeight + textAreaHeight));
                EditorGUI.BeginDisabledGroup(true);
                GUI.Button(rect, GUIContent.none);
                EditorGUI.EndDisabledGroup();

                luaCode = DrawScriptWizard(new Rect(rect.x + 2, rect.y + 2, rect.width - 4, rect.height - 4), luaCode);
            }

            rect = new Rect(position.x, position.y + position.height - textAreaHeight, position.width, textAreaHeight);
            luaCode = EditorGUI.TextArea(rect, luaCode);

            return luaCode;
        }

        private string DrawScriptWizard(Rect position, string luaCode)
        {
            int originalIndentLevel = EditorGUI.indentLevel;
            EditorGUI.indentLevel = 0;

            var rect = position;
            var x = position.x;
            var y = position.y;

            EditorGUI.BeginChangeCheck();

            // Script items:
            ScriptItem itemToDelete = null;
            foreach (ScriptItem item in scriptItems)
            {
                var innerHeight = EditorGUIUtility.singleLineHeight + 2;
                DrawScriptItem(new Rect(x, y, position.width, innerHeight), item, ref itemToDelete);
                y += EditorGUIUtility.singleLineHeight + 2;
            }
            if (itemToDelete != null) scriptItems.Remove(itemToDelete);

            // "+", Revert, and Apply buttons:
            x = position.x;
            y = position.y + position.height - EditorGUIUtility.singleLineHeight;
            rect = new Rect(x, y, 22, EditorGUIUtility.singleLineHeight);
            if (GUI.Button(rect, new GUIContent("+", "Add a new script action."), EditorStyles.miniButton))
            {
                scriptItems.Add(new ScriptItem());
            }
            x += rect.width + 2;

            rect = new Rect(x, y, 72, EditorGUIUtility.singleLineHeight);
            append = EditorGUI.ToggleLeft(rect, "Append", append);

            if (EditorGUI.EndChangeCheck()) ApplyScriptWizard();

            EditorGUI.BeginDisabledGroup(scriptItems.Count <= 0);
            rect = new Rect(position.x + position.width - 52 - 4 - 56, y, 56, EditorGUIUtility.singleLineHeight);
            if (GUI.Button(rect, new GUIContent("Revert", "Cancel these settings."), EditorStyles.miniButton))
            {
                luaCode = CancelScriptWizard();
            }
            rect = new Rect(position.x + position.width - 52, y, 52, EditorGUIUtility.singleLineHeight);
            GUI.Box(rect, GUIContent.none);
            if (GUI.Button(rect, new GUIContent("Apply", "Apply these settings"), EditorStyles.miniButton))
            {
                luaCode = AcceptScriptWizard();
            }
            EditorGUI.EndDisabledGroup();

            EditorGUI.indentLevel = originalIndentLevel;

            return luaCode;
        }

        private void DrawScriptItem(Rect position, ScriptItem item, ref ScriptItem itemToDelete)
        {
            const float setLabelWidth = 32;
            const float deleteButtonWidth = 22;

            int originalIndentLevel = EditorGUI.indentLevel;
            EditorGUI.indentLevel = 0;

            var x = position.x;
            var y = position.y;
            var rect = new Rect(x, y, setLabelWidth, EditorGUIUtility.singleLineHeight);
            EditorGUI.LabelField(rect, "Set");
            x += rect.width + 2;

            rect = new Rect(x, y, 96, EditorGUIUtility.singleLineHeight);
            ScriptWizardResourceType newResourceType = (ScriptWizardResourceType)EditorGUI.EnumPopup(rect, item.resourceType);
            x += rect.width + 2;
            if (newResourceType != item.resourceType)
            {
                item.resourceType = newResourceType;
                item.scriptQuestEntryNames = new string[0];
            }

            if (item.resourceType == ScriptWizardResourceType.Quest)
            {

                // Quest:
                var questNameWidth = Mathf.Max(1, position.width - x - 98 - 22);
                rect = new Rect(x, y, questNameWidth, rect.height);
                x += rect.width + 2;
                item.questNamesIndex = EditorGUI.Popup(rect, item.questNamesIndex, questNames);

                rect = new Rect(x, y, 22, rect.height);
                x += rect.width + 2;
                EditorGUI.LabelField(rect, "to");

                rect = new Rect(x, y, 96, EditorGUIUtility.singleLineHeight);
                item.questState = QuestStateDrawer.RectQuestStatePopup(rect, item.questState);

            }
            else if (item.resourceType == ScriptWizardResourceType.QuestEntry)
            {

                // Quest Entry:
                var questNameWidth = Mathf.Max(1, position.width - x - 98 - 98 - 22);
                rect = new Rect(x, y, questNameWidth, EditorGUIUtility.singleLineHeight);
                x += rect.width + 2;
                int newQuestNamesIndex = EditorGUI.Popup(rect, item.questNamesIndex, complexQuestNames);

                if (newQuestNamesIndex != item.questNamesIndex)
                {
                    item.questNamesIndex = newQuestNamesIndex;
                    item.scriptQuestEntryNames = new string[0];
                }
                if ((item.scriptQuestEntryNames.Length == 0) && (item.questNamesIndex < complexQuestNames.Length))
                {
                    item.scriptQuestEntryNames = GetQuestEntryNames(complexQuestNames[item.questNamesIndex]);
                }

                rect = new Rect(x, y, 96, EditorGUIUtility.singleLineHeight);
                x += rect.width + 2;
                item.questEntryIndex = EditorGUI.Popup(rect, item.questEntryIndex, item.scriptQuestEntryNames);

                rect = new Rect(x, y, 22, rect.height);
                x += rect.width + 2;
                EditorGUI.LabelField(rect, "to");

                rect = new Rect(x, y, 96, EditorGUIUtility.singleLineHeight);
                item.questState = QuestStateDrawer.RectQuestStatePopup(rect, item.questState);

            }
            else if (item.resourceType == ScriptWizardResourceType.Variable)
            {

                // Variable:
                var availableWidth = position.width - rect.x - deleteButtonWidth - 2;
                var fieldWidth = availableWidth / 3;
                rect = new Rect(x, y, fieldWidth - 1, rect.height);
                x += rect.width + 2;
                item.variableNamesIndex = EditorGUI.Popup(rect, item.variableNamesIndex, variablePopupNames);

                var variableType = GetWizardVariableType(item.variableNamesIndex);
                rect = new Rect(x, y, 40, rect.height);
                x += rect.width + 2;
                DrawValueSetMode(rect, item, variableType);

                rect = new Rect(x, y, fieldWidth - 1, rect.height);
                switch (variableType)
                {
                    case FieldType.Boolean:
                        item.booleanValue = (BooleanType)EditorGUI.EnumPopup(rect, item.booleanValue);
                        break;
                    case FieldType.Number:
                        item.floatValue = EditorGUI.FloatField(rect, item.floatValue);
                        break;
                    default:
                        item.stringValue = EditorGUI.TextField(rect, item.stringValue);
                        break;
                }
            }
            else if (item.resourceType == ScriptWizardResourceType.Actor)
            {

                // Actor:
                var availableWidth = position.width - rect.x - deleteButtonWidth - 2;
                var fieldWidth = availableWidth / 4;
                rect = new Rect(x, y, fieldWidth - 1, rect.height);
                x += rect.width + 2;
                item.actorNamesIndex = EditorGUI.Popup(rect, item.actorNamesIndex, actorNames);

                rect = new Rect(x, y, fieldWidth - 1, rect.height);
                x += rect.width + 2;
                item.actorFieldIndex = EditorGUI.Popup(rect, item.actorFieldIndex, actorFieldNames);

                var actorFieldType = GetWizardActorFieldType(item.actorFieldIndex);
                rect = new Rect(x, y, 40, rect.height);
                x += rect.width + 2;
                DrawValueSetMode(rect, item, actorFieldType);

                rect = new Rect(position.x + position.width - deleteButtonWidth - 2 - fieldWidth - 2, y, fieldWidth - 1, rect.height);
                switch (actorFieldType)
                {
                    case FieldType.Boolean:
                        item.booleanValue = (BooleanType)EditorGUI.EnumPopup(rect, item.booleanValue);
                        break;
                    case FieldType.Number:
                        item.floatValue = EditorGUI.FloatField(rect, item.floatValue);
                        break;
                    default:
                        item.stringValue = EditorGUI.TextField(rect, item.stringValue);
                        break;
                }

            }
            else if (item.resourceType == ScriptWizardResourceType.Item)
            {

                // Item:
                var availableWidth = position.width - rect.x - deleteButtonWidth - 2;
                var fieldWidth = availableWidth / 4;
                rect = new Rect(x, y, fieldWidth - 1, rect.height);
                x += rect.width + 2;
                item.itemNamesIndex = EditorGUI.Popup(rect, item.itemNamesIndex, itemNames);

                rect = new Rect(x, y, fieldWidth - 1, rect.height);
                x += rect.width + 2;
                item.itemFieldIndex = EditorGUI.Popup(rect, item.itemFieldIndex, itemFieldNames);

                var itemFieldType = GetWizardItemFieldType(item.itemFieldIndex);
                rect = new Rect(x, y, 40 - 1, rect.height);
                x += rect.width + 2;
                DrawValueSetMode(rect, item, itemFieldType);

                rect = new Rect(position.x + position.width - deleteButtonWidth - 2 - fieldWidth - 2, y, fieldWidth - 1, rect.height);
                switch (itemFieldType)
                {
                    case FieldType.Boolean:
                        item.booleanValue = (BooleanType)EditorGUI.EnumPopup(rect, item.booleanValue);
                        break;
                    case FieldType.Number:
                        item.floatValue = EditorGUI.FloatField(rect, item.floatValue);
                        break;
                    default:
                        item.stringValue = EditorGUI.TextField(rect, item.stringValue);
                        break;
                }

            }
            else if (item.resourceType == ScriptWizardResourceType.Location)
            {

                // Location:
                var availableWidth = position.width - rect.x - deleteButtonWidth - 2;
                var fieldWidth = availableWidth / 4;
                rect = new Rect(x, y, fieldWidth - 1, rect.height);
                x += rect.width + 2;
                item.locationNamesIndex = EditorGUI.Popup(rect, item.locationNamesIndex, locationNames);

                rect = new Rect(x, y, fieldWidth - 1, rect.height);
                x += rect.width + 2;
                item.locationFieldIndex = EditorGUI.Popup(rect, item.locationFieldIndex, locationFieldNames);

                var locationFieldType = GetWizardLocationFieldType(item.locationFieldIndex);
                rect = new Rect(x, y, 40 - 1, rect.height);
                x += rect.width + 2;
                DrawValueSetMode(rect, item, locationFieldType);

                rect = new Rect(position.x + position.width - deleteButtonWidth - 2 - fieldWidth - 2, y, fieldWidth - 1, rect.height);
                switch (locationFieldType)
                {
                    case FieldType.Boolean:
                        item.booleanValue = (BooleanType)EditorGUI.EnumPopup(rect, item.booleanValue);
                        break;
                    case FieldType.Number:
                        item.floatValue = EditorGUI.FloatField(rect, item.floatValue);
                        break;
                    default:
                        item.stringValue = EditorGUI.TextField(rect, item.stringValue);
                        break;
                }

            }

            else if (item.resourceType == ScriptWizardResourceType.SimStatus)
            {

                // SimStatus:
                rect = new Rect(x, y, 50, rect.height);
                x += rect.width + 2;
                item.simStatusID = EditorGUI.IntField(rect, item.simStatusID);
                rect = new Rect(x, y, position.width - x - 2, rect.height);
                item.simStatusType = (SimStatusType)EditorGUI.EnumPopup(rect, item.simStatusType);
            }

            else if (item.resourceType == ScriptWizardResourceType.Alert)
            {
                // Alert:
                rect = new Rect(x, y, position.width - rect.width - 2, rect.height);
                item.stringValue = EditorGUI.TextField(rect, item.stringValue);
            }

            else if (item.resourceType == ScriptWizardResourceType.Misc)
            {
                GUI.BeginGroup(position);

                ValidateCustomLuaFunctionInfo();

                int newCustomLuaFuncIndex = EditorGUILayout.Popup(item.customLuaFuncIndex, builtinLuaFuncNames);
                if (newCustomLuaFuncIndex != item.customLuaFuncIndex)
                {
                    item.customLuaFuncIndex = newCustomLuaFuncIndex;
                    item.customParamValues = null;
                }

                if (0 <= item.customLuaFuncIndex && item.customLuaFuncIndex < builtinLuaFuncs.Length)
                {
                    var luaFuncRecord = builtinLuaFuncs[item.customLuaFuncIndex];
                    if (item.customParamValues == null) InitCustomParamValues(luaFuncRecord, out item.customParamValues);
                    for (int i = 0; i < luaFuncRecord.parameters.Length; i++)
                    {
                        switch (luaFuncRecord.parameters[i])
                        {
                            case CustomLuaParameterType.Bool:
                                item.customParamValues[i] = (BooleanType)EditorGUILayout.EnumPopup((BooleanType)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.Double:
                                item.customParamValues[i] = EditorGUILayout.FloatField((float)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.String:
                                item.customParamValues[i] = EditorGUILayout.TextField((string)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.Actor:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], actorNames);
                                break;
                            case CustomLuaParameterType.Quest:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], questNames);
                                item.questNamesIndex = (int)item.customParamValues[i];
                                break;
                            case CustomLuaParameterType.QuestEntry:
                                if ((item.scriptQuestEntryNames.Length == 0) && (item.questNamesIndex < complexQuestNames.Length))
                                {
                                    item.scriptQuestEntryNames = GetQuestEntryNames(complexQuestNames[item.questNamesIndex]);
                                }
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], item.scriptQuestEntryNames);
                                break;
                            case CustomLuaParameterType.Variable:
                            case CustomLuaParameterType.VariableName:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], variablePopupNames);
                                break;
                            case CustomLuaParameterType.Item:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], itemNames);
                                break;
                            case CustomLuaParameterType.QuestState:
                                if (item.customParamValues[i] == null || item.customParamValues[i].GetType() != typeof(QuestState))
                                {
                                    item.customParamValues[i] = QuestState.Unassigned;
                                }
                                item.customParamValues[i] = (QuestState)EditorGUI.EnumPopup(rect, (QuestState)item.customParamValues[i]);
                                break;
                        }
                    }
                }
                GUI.EndGroup();
            }

            else if (item.resourceType == ScriptWizardResourceType.Custom)
            {
                GUI.BeginGroup(position);

                ValidateCustomLuaFunctionInfo();

                int newCustomLuaFuncIndex = EditorGUILayout.Popup(item.customLuaFuncIndex, customLuaFuncNames);
                if (newCustomLuaFuncIndex != item.customLuaFuncIndex)
                {
                    item.customLuaFuncIndex = newCustomLuaFuncIndex;
                    item.customParamValues = null;
                }

                if (0 <= item.customLuaFuncIndex && item.customLuaFuncIndex < customLuaFuncs.Length)
                {
                    var luaFuncRecord = customLuaFuncs[item.customLuaFuncIndex];
                    if (item.customParamValues == null) InitCustomParamValues(luaFuncRecord, out item.customParamValues);
                    for (int i = 0; i < luaFuncRecord.parameters.Length; i++)
                    {
                        switch (luaFuncRecord.parameters[i])
                        {
                            case CustomLuaParameterType.Bool:
                                item.customParamValues[i] = (BooleanType)EditorGUILayout.EnumPopup((BooleanType)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.Double:
                                item.customParamValues[i] = EditorGUILayout.FloatField((float)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.String:
                                item.customParamValues[i] = EditorGUILayout.TextField((string)item.customParamValues[i]);
                                break;
                            case CustomLuaParameterType.Actor:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], actorNames);
                                break;
                            case CustomLuaParameterType.Quest:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], questNames);
                                item.questNamesIndex = (int)item.customParamValues[i];
                                break;
                            case CustomLuaParameterType.QuestEntry:
                                if ((item.scriptQuestEntryNames.Length == 0) && (item.questNamesIndex < complexQuestNames.Length))
                                {
                                    item.scriptQuestEntryNames = GetQuestEntryNames(complexQuestNames[item.questNamesIndex]);
                                }
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], item.scriptQuestEntryNames);
                                break;
                            case CustomLuaParameterType.Variable:
                            case CustomLuaParameterType.VariableName:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], variablePopupNames);
                                break;
                            case CustomLuaParameterType.Item:
                                item.customParamValues[i] = EditorGUILayout.Popup((int)item.customParamValues[i], itemNames);
                                break;
                            case CustomLuaParameterType.QuestState:
                                if (item.customParamValues[i] == null || item.customParamValues[i].GetType() != typeof(QuestState))
                                {
                                    item.customParamValues[i] = QuestState.Unassigned;
                                }
                                item.customParamValues[i] = (QuestState)EditorGUI.EnumPopup(rect, (QuestState)item.customParamValues[i]);
                                break;
                        }
                    }
                }
                GUI.EndGroup();
            }

            else if (item.resourceType == ScriptWizardResourceType.ManualEnter)
            {

                // Manual enter:
                rect = new Rect(x, y, position.width - rect.width - 2, rect.height);
                item.stringValue = EditorGUI.TextField(rect, item.stringValue);
            }

            rect = new Rect(position.x + position.width - deleteButtonWidth, y, deleteButtonWidth, EditorGUIUtility.singleLineHeight);
            if (GUI.Button(rect, new GUIContent("-", "Delete this condition."), EditorStyles.miniButton))
            {
                itemToDelete = item;
            }

            EditorGUI.indentLevel = originalIndentLevel;
        }

        private void DrawValueSetMode(Rect position, ScriptItem item, FieldType fieldType)
        {
            var rect = new Rect(position.x, position.y, 40f, position.height);
            if (fieldType == FieldType.Number)
            {
                item.valueSetMode = (ValueSetMode)EditorGUI.EnumPopup(rect, item.valueSetMode);
            }
            else
            {
                EditorGUI.LabelField(rect, "to");
            }
        }


    }

}