#if UNITY_EDITOR
using UnityEditor;
using UnityEngine;
using System.Reflection;
using System.Collections.Generic;
using System;
using System.Collections;
using System.IO;

public class PlayerDataEditorWindow : EditorWindow
{
    private AccountFileInfo.PlayerData playerData;
    private Vector2 scrollPos;
    private Dictionary<string, bool> foldoutStates = new Dictionary<string, bool>();

    private string DataFilePath = "/playerData.txt";

    [MenuItem("Tools/PlayerData 编辑器")]
    public static void ShowWindow()
    {
        GetWindow<PlayerDataEditorWindow>(true,"PlayerData 编辑器");
    }

    private void OnEnable()
    {
    
        LoadPlayerData();
    }

    private void OnGUI()
    {
        GUIStyle headerStyle = new GUIStyle(EditorStyles.boldLabel) { fontSize = 14, padding = new RectOffset(5, 5, 5, 5) };
        GUIStyle sectionStyle = new GUIStyle(EditorStyles.helpBox) { margin = new RectOffset(5, 5, 5, 5), padding = new RectOffset(10, 10, 10, 10) };
    
        scrollPos = EditorGUILayout.BeginScrollView(scrollPos);
      
        if (playerData == null)
        {
            EditorGUILayout.HelpBox("未加载 PlayerData！点击下方创建新数据。", MessageType.Warning);
            if (GUILayout.Button("创建新 PlayerData", GUILayout.Height(30)))
            {
                playerData = new AccountFileInfo.PlayerData();
            }
    
            EditorGUILayout.EndScrollView();
            return;
        }
    
        EditorGUILayout.LabelField("PlayerData 编辑器", headerStyle);
        EditorGUILayout.Space();
    
        EditorGUILayout.BeginVertical(sectionStyle);
        try
        {
            DrawFields(playerData, playerData.GetType(), "PlayerData.");
        }
        catch (Exception ex)
        {
            EditorGUILayout.HelpBox($"绘制字段时出错: {ex.Message}", MessageType.Error);
        }
    
        EditorGUILayout.EndVertical();
    
        EditorGUILayout.Space();
        EditorGUILayout.BeginHorizontal();
        if (GUILayout.Button("保存 PlayerData", GUILayout.Height(30)))
        {
            if (EditorUtility.DisplayDialog("保存确认", $"确定要保存到 {Application.persistentDataPath + DataFilePath}？\n现有文件将被覆盖。", "确定", "取消"))
            {
                SavePlayerData();
            }
        }
    
        if (GUILayout.Button("加载 PlayerData", GUILayout.Height(30)))
        {
            if (EditorUtility.DisplayDialog("加载确认", $"确定要从 {Application.persistentDataPath + DataFilePath} 加载数据？\n当前编辑的数据将被覆盖。", "确定", "取消"))
            {
                LoadPlayerData();
            }
        }
    
        EditorGUILayout.EndHorizontal();
    
        EditorGUILayout.EndScrollView();
    }

    private void DrawFields(object obj, Type type, string prefix = "")
    {
        if (obj == null)
        {
            EditorGUILayout.LabelField($"{prefix} (空)");
            return;
        }

        FieldInfo[] fields = type.GetFields(BindingFlags.Public | BindingFlags.Instance);
        foreach (FieldInfo field in fields)
        {
            string fieldKey = $"{prefix}{field.Name}";
            object value = field.GetValue(obj);

            // 初始化折叠状态
            if (!foldoutStates.ContainsKey(fieldKey))
                foldoutStates[fieldKey] = false;

            // 处理基本类型
            if (field.FieldType == typeof(int))
            {
                EditorGUILayout.BeginHorizontal();
                EditorGUILayout.LabelField(field.Name, GUILayout.Width(200));
                int newValue = EditorGUILayout.IntField(value != null ? (int)value : 0);
                field.SetValue(obj, newValue);
                EditorGUILayout.EndHorizontal();
            }
            else if (field.FieldType == typeof(long))
            {
                EditorGUILayout.BeginHorizontal();
                EditorGUILayout.LabelField(field.Name, GUILayout.Width(200));
                long newValue = EditorGUILayout.LongField(value != null ? (long)value : 0);
                field.SetValue(obj, newValue);
                EditorGUILayout.EndHorizontal();
            }
            else if (field.FieldType == typeof(bool))
            {
                EditorGUILayout.BeginHorizontal();
                EditorGUILayout.LabelField(field.Name, GUILayout.Width(200));
                bool newValue = EditorGUILayout.Toggle(value != null ? (bool)value : false);
                field.SetValue(obj, newValue);
                EditorGUILayout.EndHorizontal();
            }
            else if (field.FieldType == typeof(float))
            {
                EditorGUILayout.BeginHorizontal();
                EditorGUILayout.LabelField(field.Name, GUILayout.Width(200));
                float newValue = EditorGUILayout.FloatField(value != null ? (float)value : 0f);
                field.SetValue(obj, newValue);
                EditorGUILayout.EndHorizontal();
            }
            else if (field.FieldType == typeof(string))
            {
                EditorGUILayout.BeginHorizontal();
                EditorGUILayout.LabelField(field.Name, GUILayout.Width(200));
                string newValue = EditorGUILayout.TextField(value != null ? (string)value : "");
                field.SetValue(obj, newValue);
                EditorGUILayout.EndHorizontal();
            }
            // 处理列表类型
            else if (field.FieldType.IsGenericType && field.FieldType.GetGenericTypeDefinition() == typeof(List<>))
            {
                Type itemType = field.FieldType.GetGenericArguments()[0];
                IList list = (IList)(value ?? Activator.CreateInstance(field.FieldType));

                EditorGUILayout.BeginHorizontal();
                foldoutStates[fieldKey] = EditorGUILayout.Foldout(foldoutStates[fieldKey], $"{field.Name} (列表, {list.Count} 项)", true);
                EditorGUILayout.EndHorizontal();

                if (foldoutStates[fieldKey])
                {
                    EditorGUI.indentLevel++;
                    EditorGUILayout.BeginHorizontal();
                    EditorGUILayout.LabelField("大小", GUILayout.Width(200));
                    int newSize = EditorGUILayout.IntField(list.Count);
                    try
                    {
                        while (newSize > list.Count)
                        {
                            object newItem = Activator.CreateInstance(itemType);
                            list.Add(newItem);
                        }

                        while (newSize < list.Count)
                        {
                            list.RemoveAt(list.Count - 1);
                        }
                    }
                    catch (Exception ex)
                    {
                        EditorGUILayout.HelpBox($"修改列表大小时出错: {ex.Message}", MessageType.Error);
                    }

                    EditorGUILayout.EndHorizontal();

                    for (int i = 0; i < list.Count; i++)
                    {
                        string itemKey = $"{fieldKey}[{i}]";
                        if (!foldoutStates.ContainsKey(itemKey))
                            foldoutStates[itemKey] = false;

                        EditorGUILayout.BeginHorizontal();
                        foldoutStates[itemKey] = EditorGUILayout.Foldout(foldoutStates[itemKey], $"{field.Name}[{i}]", true);
                        if (GUILayout.Button("删除", GUILayout.Width(60)))
                        {
                            list.RemoveAt(i);
                            foldoutStates.Remove(itemKey);
                            break;
                        }

                        EditorGUILayout.EndHorizontal();

                        if (foldoutStates[itemKey])
                        {
                            EditorGUI.indentLevel++;
                            EditorGUILayout.BeginVertical(EditorStyles.helpBox);
                            try
                            {
                                DrawFields(list[i], itemType, $"{prefix}{field.Name}[{i}].");
                            }
                            catch (Exception ex)
                            {
                                EditorGUILayout.HelpBox($"绘制 {itemKey} 时出错: {ex.Message}", MessageType.Error);
                            }

                            EditorGUILayout.EndVertical();
                            EditorGUI.indentLevel--;
                        }
                    }

                    if (GUILayout.Button($"添加新 {itemType.Name}", GUILayout.Height(25)))
                    {
                        try
                        {
                            object newItem = Activator.CreateInstance(itemType);
                            list.Add(newItem);
                        }
                        catch (Exception ex)
                        {
                            EditorGUILayout.HelpBox($"添加新 {itemType.Name} 时出错: {ex.Message}", MessageType.Error);
                        }
                    }

                    field.SetValue(obj, list);
                    EditorGUI.indentLevel--;
                }
            }
            // 处理自定义类
            else if (field.FieldType.IsClass)
            {
                EditorGUILayout.BeginHorizontal();
                foldoutStates[fieldKey] = EditorGUILayout.Foldout(foldoutStates[fieldKey], $"{field.Name} ({field.FieldType.Name})", true);
                if (value == null && GUILayout.Button("创建", GUILayout.Width(60)))
                {
                    value = Activator.CreateInstance(field.FieldType);
                    field.SetValue(obj, value);
                }

                EditorGUILayout.EndHorizontal();

                if (foldoutStates[fieldKey] && value != null)
                {
                    EditorGUI.indentLevel++;
                    EditorGUILayout.BeginVertical(EditorStyles.helpBox);
                    try
                    {
                        DrawFields(value, field.FieldType, $"{prefix}{field.Name}.");
                    }
                    catch (Exception ex)
                    {
                        EditorGUILayout.HelpBox($"绘制 {fieldKey} 时出错: {ex.Message}", MessageType.Error);
                    }

                    EditorGUILayout.EndVertical();
                    EditorGUI.indentLevel--;
                }
            }
            else
            {
                EditorGUILayout.LabelField($"{field.Name} ({field.FieldType.Name})", "不支持的类型");
            }
        }
    }

    private void SavePlayerData()
    {
        try
        {
            string json = JsonUtility.ToJson(playerData, true);
            string path = Application.persistentDataPath + DataFilePath;
            File.WriteAllText(path, json);
            Debug.Log($"PlayerData 已保存至 {path}");
            EditorUtility.DisplayDialog("保存成功", $"PlayerData 已保存至 {path}", "确定");
        }
        catch (Exception ex)
        {
            EditorGUILayout.HelpBox($"保存 PlayerData 时出错: {ex.Message}", MessageType.Error);
            EditorUtility.DisplayDialog("保存失败", $"保存 PlayerData 时出错: {ex.Message}", "确定");
        }
    }

    private void LoadPlayerData()
    {
        if (!Application.isPlaying)
        {
            if(playerData == null)
                playerData = new AccountFileInfo.PlayerData();
            
            try
            {
                string path = Application.persistentDataPath + DataFilePath;
                if (File.Exists(path))
                {
                    string json = File.ReadAllText(path);
                    JsonUtility.FromJsonOverwrite(json, playerData);
                }
                else
                {
                    EditorGUILayout.HelpBox($"未找到文件: {path}", MessageType.Warning);
                    EditorUtility.DisplayDialog("加载失败", $"未找到文件: {path}", "确定");
                }
            }
            catch (Exception ex)
            {
                EditorGUILayout.HelpBox($"加载 PlayerData 时出错: {ex.Message}", MessageType.Error);
                EditorUtility.DisplayDialog("加载失败", $"加载 PlayerData 时出错: {ex.Message}", "确定");
            }
        }
        else
        {
            playerData = AccountFileInfo.Instance.playerData;
        }
       
    }
}
#endif