using System.Collections.Generic;
using System.IO;
using BlueWater.Items;
using Newtonsoft.Json.Linq;
using UnityEditor;
using UnityEngine;

namespace BlueWater
{
    public class ItemDropTableSo : ScriptableObject
    {
        // public 필수
        public List<ItemDropTable> ItemDropTables = new();
        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";

        [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 in ItemDropTableScriptableObject class.");
        }

        private static ItemDropTableSo CreateFromJson(string itemDropJsonString, string characterDataJsonString)
        {
            var itemDropTables = ParseJsonToCharacterDrops(itemDropJsonString, characterDataJsonString);
            var instance = CreateInstance<ItemDropTableSo>();
            instance.ItemDropTables = itemDropTables;
            return instance;
        }

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

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

            newItemDropTables.AddRange(itemDropTables.Values);
            return newItemDropTables;
        }

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

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

            return characterDataDictionary;
        }
    }
}