using System.Collections.Generic;
using System.IO;
using Newtonsoft.Json.Linq;
using UnityEngine;

#if UNITY_EDITOR
using UnityEditor;
#endif

namespace BlueWater.Items
{
    [CreateAssetMenu(fileName = "ItemDropTable", menuName = "ScriptableObjects/ItemDropTable")]
    public class ItemDropTableSo : DataSo<ItemDropTable> // DataSo<ItemDropTable>를 상속
    {
        private const string ItemDropJsonPath = "Assets/Resources/Json/ItemDropTable.json";
        private const string CharacterDataJsonPath = "Assets/Resources/Json/CharacterData.json";
        private const string FilePath = "Assets/02.Scripts/ScriptableObject/Item/ItemDropTable.asset";

#if UNITY_EDITOR
        [MenuItem("Tools/ItemDropTable ScriptableObject 생성")]
        private static void CreateItemDropTable()
        {
            var itemDropJsonContent = File.ReadAllText(ItemDropJsonPath);
            var characterDataJsonContent = File.ReadAllText(CharacterDataJsonPath);

            var instance = CreateFromJson(itemDropJsonContent, characterDataJsonContent);
            AssetDatabase.CreateAsset(instance, FilePath);
            AssetDatabase.SaveAssets();
            Debug.Log("ItemDropTable ScriptableObject created successfully.");
        }
#endif

        private static ItemDropTableSo CreateFromJson(string itemDropJsonString, string characterDataJsonString)
        {
            var itemDropTableSo = CreateInstance<ItemDropTableSo>();

            var newItemDropTables = ParseJsonToCharacterDrops(itemDropJsonString, characterDataJsonString);
            
            // Dictionary<string, ItemDropTable>로 변환하여 직렬화 가능한 리스트에 추가
            var serializedDataList = new List<SerializableKeyValuePair<ItemDropTable>>();
            foreach (var kvp in newItemDropTables)
            {
                serializedDataList.Add(new SerializableKeyValuePair<ItemDropTable>
                {
                    Key = kvp.Key,
                    Value = kvp.Value
                });
            }
            itemDropTableSo.SetSerializedDataList(serializedDataList);

            return itemDropTableSo;
        }

        private static Dictionary<string, ItemDropTable> ParseJsonToCharacterDrops(string itemDropJsonString, string characterDataJsonString)
        {
            var itemDropTables = new Dictionary<string, ItemDropTable>();
            var characterDataDictionary = ParseCharacterDataJson(characterDataJsonString);

            var jsonArray = JArray.Parse(itemDropJsonString);
            foreach (var element in jsonArray)
            {
                var characterIdx = (string)element["CharacterIdx"];
                var dropItem = new DropItem
                {
                    ItemIdx = (string)element["ItemIdx"],
                    DropRate = (int)element["DropRate"],
                    QuantityMin = (int)element["QuantityMin"],
                    QuantityMax = (int)element["QuantityMax"]
                };

                if (!itemDropTables.ContainsKey(characterIdx))
                {
                    var characterName = characterDataDictionary.GetValueOrDefault(characterIdx, "Unknown");
                    itemDropTables[characterIdx] = new ItemDropTable(new CharacterData(characterIdx, characterName));
                }

                itemDropTables[characterIdx].DropItems.Add(dropItem);
            }

            return itemDropTables;
        }

        private static Dictionary<string, string> ParseCharacterDataJson(string characterDataJsonString)
        {
            var characterDataDictionary = new Dictionary<string, string>();
            var jsonArray = JArray.Parse(characterDataJsonString);

            foreach (var element in jsonArray)
            {
                var characterIdx = (string)element["CharacterIdx"];
                var name = (string)element["Name"];
                characterDataDictionary[characterIdx] = name;
            }

            return characterDataDictionary;
        }
    }
}