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

namespace BigSpace.XRCore.Config
{
    public class ConfigMgr
    {
        private static ConfigMgr _instance;
        public static ConfigMgr Instance => _instance ??= new ConfigMgr();

        private Dictionary<string, object> Data = new Dictionary<string, object>();


        private ConfigMgr()
        {
            // 使用 Resources.Load 加载 JSON 数据
            TextAsset jsonAsset = Resources.Load<TextAsset>("Configs/game_data");
            if (jsonAsset == null)
            {
                throw new Exception("配置文件未找到: Resources/Configs/game_data.json");
            }

            string json = jsonAsset.text;
            var gameData = JsonConvert.DeserializeObject<Dictionary<string, object>>(json);

            foreach (var sheet in gameData)
            {
                var sheetName = sheet.Key;
                var sheetData = sheet.Value.ToString();

                // 动态初始化配置类
                var configType = Type.GetType($"BigSpace.XRCore.Config.{sheetName}Config");
                if (configType != null)
                {
                    // 使用泛型 List<T> 类型
                    var listType = typeof(List<>).MakeGenericType(configType);
                    var configListInstance = JsonConvert.DeserializeObject(sheetData, listType);
                    Data[sheetName] = configListInstance;
                }
            }
        }

        public List<T> GetConfigList<T>() where T : class
        {
            // 从泛型类型名称中自动提取配置键
            string key = typeof(T).Name.Replace("Config", "");
            if (Data.ContainsKey(key))
            {
                return Data[key] as List<T>;
            }
            Debug.LogWarning($"未找到对应的配置实例: {key}");
            return null;
        }

        public T GetConfig<T>(int id) where T : class
        {
            // 从泛型类型名称中自动提取配置键
            string key = typeof(T).Name.Replace("Config", "");
            if (Data.ContainsKey(key))
            {
                var list = Data[key] as List<T>;
                return list?.FirstOrDefault(item => (int)item.GetType().GetProperty("id").GetValue(item) == id);
            }
            Debug.LogWarning($"未找到对应的配置实例: {key}");
            return null;
        }
    }
    }