/*
* @Author: 白哉
* @Description: WikiData 自定义编辑器
* @Date: 2026年04月01日 星期三 11:04:20
* @Modify:
*/


using System.Collections.Generic;
using Logic.Multilingual;
using TH1_Logic.Config;
using TH1_Logic.MatchConfig;
using UI.HintUI;
using UnityEditor;
using UnityEngine;


[CustomEditor(typeof(WikiData))]
public class WikiDataEditor : Editor
{
    // ── 状态 ─────────────────────────────────────────────────────────────────
    private string  _searchText = "";
    private Vector2 _scrollPos;

    // 以 ItemId 为 key，避免增删后 index 偏移导致折叠状态错乱
    private readonly Dictionary<uint, bool> _foldouts = new Dictionary<uint, bool>();

    private WikiData Target => (WikiData)target;

    // ── 样式（延迟初始化） ───────────────────────────────────────────────────
    private GUIStyle _itemBoxStyle;
    private GUIStyle _descBoxStyle;
    private GUIStyle _hintBoxStyle;
    private GUIStyle _headerLabelStyle;
    private bool     _stylesReady;

    private void EnsureStyles()
    {
        if (_stylesReady) return;
        _stylesReady = true;

        _itemBoxStyle = new GUIStyle(GUI.skin.box)
        {
            padding = new RectOffset(10, 10, 6, 8),
            margin  = new RectOffset(0, 0, 2, 2),
        };

        _descBoxStyle = new GUIStyle(EditorStyles.helpBox)
        {
            padding = new RectOffset(8, 8, 6, 6),
            margin  = new RectOffset(0, 0, 2, 4),
        };

        // Hint 子面板：比 descBox 多一层视觉缩进
        _hintBoxStyle = new GUIStyle(EditorStyles.helpBox)
        {
            padding = new RectOffset(10, 8, 6, 6),
            margin  = new RectOffset(0, 0, 3, 2),
        };

        _headerLabelStyle = new GUIStyle(EditorStyles.boldLabel)
        {
            fontSize = 12,
        };
    }

    // ── 搜索匹配（不区分大小写子串匹配 Name + 所有 GetDesc()）──────────────
    private bool Matches(WikiItem item)
    {
        if (string.IsNullOrEmpty(_searchText)) return true;
        var keyword = _searchText.ToLower();

        if (!string.IsNullOrEmpty(item.Name) && item.Name.ToLower().Contains(keyword))
            return true;

        foreach (var d in item.DescItems)
        {
            try
            {
                // UseHint 时 GetDesc() 走 HintProvider.GetHintText()，需要运行时单例；
                // 编辑器非运行时会抛异常，catch 后安全跳过
                var text = d.GetDesc();
                if (!string.IsNullOrEmpty(text) && text.ToLower().Contains(keyword))
                    return true;
            }
            catch { /* 运行时单例未就绪，忽略 */ }
        }

        return false;
    }

    // ── 主入口 ───────────────────────────────────────────────────────────────
    public override void OnInspectorGUI()
    {
        MultilingualManager.Instance.SetMultilingualType(MultilingualType.ZH);
        if (Table.Instance == null) new Table();
        EnsureStyles();
        // Update / ApplyModifiedProperties 保证 PropertyField（HintProvider 子字段）正确工作
        serializedObject.Update();
        
        DrawSearchBar();
        EditorGUILayout.Space(6);
        DrawItemList();
        EditorGUILayout.Space(10);
        DrawAddItemButton();

        serializedObject.ApplyModifiedProperties();
    }

    // ── 搜索栏 ───────────────────────────────────────────────────────────────
    private void DrawSearchBar()
    {
        EditorGUILayout.BeginHorizontal(EditorStyles.toolbar);
        EditorGUILayout.LabelField("搜索", GUILayout.Width(36));

        GUI.SetNextControlName("SearchField");
        var newText = EditorGUILayout.TextField(_searchText, EditorStyles.toolbarSearchField);
        if (newText != _searchText) _searchText = newText;

        GUI.enabled = !string.IsNullOrEmpty(_searchText);
        if (GUILayout.Button("清空", EditorStyles.toolbarButton, GUILayout.Width(42)))
        {
            _searchText = "";
            GUI.FocusControl(null);
        }
        GUI.enabled = true;

        EditorGUILayout.EndHorizontal();
    }

    // ── 词条列表 ─────────────────────────────────────────────────────────────
    private void DrawItemList()
    {
        var items   = Target.Items;
        int total   = items.Count;
        int matched = 0;
        foreach (var item in items)
            if (Matches(item)) matched++;

        string titleText = string.IsNullOrEmpty(_searchText)
            ? $"词条列表  ({total} 条)"
            : $"词条列表  (匹配 {matched} / 共 {total} 条)";
        EditorGUILayout.LabelField(titleText, _headerLabelStyle);

        var line = EditorGUILayout.GetControlRect(false, 1f);
        EditorGUI.DrawRect(line, new Color(0.45f, 0.45f, 0.45f, 0.6f));
        EditorGUILayout.Space(4);

        _scrollPos = EditorGUILayout.BeginScrollView(_scrollPos, GUILayout.MaxHeight(520f));

        int deleteIndex = -1;
        for (int i = 0; i < items.Count; i++)
        {
            if (!Matches(items[i])) continue;
            if (DrawItem(items[i], i))         // i = 在 Items 列表中的真实下标
                deleteIndex = i;
            EditorGUILayout.Space(3);
        }

        if (total == 0 || (matched == 0 && !string.IsNullOrEmpty(_searchText)))
        {
            EditorGUILayout.HelpBox(
                matched == 0 && !string.IsNullOrEmpty(_searchText)
                    ? "没有找到匹配的词条。"
                    : "暂无词条，点击下方按钮添加。",
                MessageType.Info);
        }

        EditorGUILayout.EndScrollView();

        if (deleteIndex >= 0)
        {
            Undo.RecordObject(target, "Delete Wiki Item");
            Target.Items.RemoveAt(deleteIndex);
            EditorUtility.SetDirty(target);
        }
    }

    // ── 单条词条 ─────────────────────────────────────────────────────────────
    /// <returns>true = 需要删除</returns>
    private bool DrawItem(WikiItem item, int listIndex)
    {
        if (!_foldouts.ContainsKey(item.Id))
            _foldouts[item.Id] = true;

        bool doDelete = false;

        EditorGUILayout.BeginVertical(_itemBoxStyle);

        // —— 标题行 ——
        EditorGUILayout.BeginHorizontal();

        string displayName = string.IsNullOrEmpty(item.Name)
            ? $"<未命名>  [id:{item.Id}]"
            : $"{item.Name}  [id:{item.Id}]";

        _foldouts[item.Id] = EditorGUILayout.Foldout(
            _foldouts[item.Id], displayName, true, EditorStyles.foldoutHeader);

        GUILayout.FlexibleSpace();

        var prevBg = GUI.backgroundColor;
        GUI.backgroundColor = new Color(1f, 0.42f, 0.42f);
        if (GUILayout.Button("删 除", GUILayout.Width(54)))
        {
            if (EditorUtility.DisplayDialog(
                    "确认删除",
                    $"确定要删除词条「{displayName}」吗？此操作不可撤销。",
                    "删除", "取消"))
                doDelete = true;
        }
        GUI.backgroundColor = prevBg;

        EditorGUILayout.EndHorizontal();

        // —— 折叠内容 ——
        if (_foldouts[item.Id])
        {
            EditorGUILayout.Space(4);
            DrawItemName(item);
            EditorGUILayout.Space(3);
            DrawItemTypes(item);
            EditorGUILayout.Space(3);
            DrawItemDescs(item, listIndex);
        }

        EditorGUILayout.EndVertical();
        return doDelete;
    }

    // ── 名称字段 ─────────────────────────────────────────────────────────────
    private void DrawItemName(WikiItem item)
    {
        EditorGUILayout.BeginHorizontal();
        EditorGUILayout.LabelField("名 称", GUILayout.Width(40));
        var newName = EditorGUILayout.TextField(item.Name ?? "");
        if (newName != item.Name)
        {
            Undo.RecordObject(target, "Edit Wiki Item Name");
            item.Name = newName;
            EditorUtility.SetDirty(target);
        }
        EditorGUILayout.EndHorizontal();
    }

    // ── 类型列表 ─────────────────────────────────────────────────────────────
    private void DrawItemTypes(WikiItem item)
    {
        EditorGUILayout.BeginHorizontal();
        EditorGUILayout.LabelField("类 型", GUILayout.Width(40));

        int removeIdx = -1;
        for (int i = 0; i < item.Types.Count; i++)
        {
            var newType = (WikiType)EditorGUILayout.EnumPopup(item.Types[i], GUILayout.Width(90));
            if (newType != item.Types[i])
            {
                bool duplicate = false;
                for (int j = 0; j < item.Types.Count; j++)
                    if (j != i && item.Types[j] == newType) { duplicate = true; break; }

                if (!duplicate)
                {
                    Undo.RecordObject(target, "Edit Wiki Item Type");
                    item.Types[i] = newType;
                    EditorUtility.SetDirty(target);
                }
            }

            var prevBg = GUI.backgroundColor;
            GUI.backgroundColor = new Color(1f, 0.42f, 0.42f);
            if (GUILayout.Button("x", GUILayout.Width(22))) removeIdx = i;
            GUI.backgroundColor = prevBg;

            GUILayout.Space(2);
        }

        var firstUnused = FirstUnusedType(item);
        GUI.enabled = firstUnused.HasValue;
        var addBg = GUI.backgroundColor;
        GUI.backgroundColor = firstUnused.HasValue ? new Color(0.48f, 0.85f, 0.48f) : Color.gray;
        if (GUILayout.Button("+ 添加", GUILayout.Width(60)) && firstUnused.HasValue)
        {
            Undo.RecordObject(target, "Add Wiki Item Type");
            item.Types.Add(firstUnused.Value);
            EditorUtility.SetDirty(target);
        }
        GUI.backgroundColor = addBg;
        GUI.enabled = true;

        EditorGUILayout.EndHorizontal();

        if (removeIdx >= 0)
        {
            Undo.RecordObject(target, "Remove Wiki Item Type");
            item.Types.RemoveAt(removeIdx);
            EditorUtility.SetDirty(target);
        }
    }

    // ── 描述列表 ─────────────────────────────────────────────────────────────
    private void DrawItemDescs(WikiItem item, int listIndex)
    {
        EditorGUILayout.LabelField("描 述", EditorStyles.boldLabel);

        // 预先导航到此 item 的 DescItems 数组属性，HintProvider 子字段绘制时需要
        var descItemsArrayProp = serializedObject
            .FindProperty("Items")
            .GetArrayElementAtIndex(listIndex)
            .FindPropertyRelative("DescItems");

        int removeIdx = -1;
        for (int i = 0; i < item.DescItems.Count; i++)
        {
            var desc = item.DescItems[i];
            EditorGUILayout.BeginVertical(_descBoxStyle);

            // —— 头部行：DescType | 模式切换 | 删除 ——
            EditorGUILayout.BeginHorizontal();

            // DescType（去重校验）
            var newDescType = (WikiDescType)EditorGUILayout.EnumPopup(desc.DescType, GUILayout.Width(110));
            if (newDescType != desc.DescType)
            {
                bool duplicate = false;
                for (int j = 0; j < item.DescItems.Count; j++)
                    if (j != i && item.DescItems[j].DescType == newDescType) { duplicate = true; break; }
                if (!duplicate)
                {
                    Undo.RecordObject(target, "Edit Desc Type");
                    desc.DescType = newDescType;
                    EditorUtility.SetDirty(target);
                }
            }

            GUILayout.Space(6);

            // 模式切换按钮
            var modeBg = GUI.backgroundColor;
            GUI.backgroundColor = desc.UseHint
                ? new Color(1f, 0.82f, 0.28f)   // 黄：Hint 模式
                : new Color(0.55f, 0.85f, 1f);   // 蓝：文本模式
            if (GUILayout.Button(desc.UseHint ? "Hint 模式" : "文本模式", GUILayout.Width(76)))
            {
                Undo.RecordObject(target, "Toggle Desc UseHint");
                desc.UseHint = !desc.UseHint;
                // 切换到 Hint 时确保 HintProvider 已初始化
                if (desc.UseHint && desc.HintProvider == null)
                    desc.HintProvider = new HintDataProvider();
                EditorUtility.SetDirty(target);
            }
            GUI.backgroundColor = modeBg;

            GUILayout.FlexibleSpace();

            var prevBg = GUI.backgroundColor;
            GUI.backgroundColor = new Color(1f, 0.42f, 0.42f);
            if (GUILayout.Button("删除", GUILayout.Width(50))) removeIdx = i;
            GUI.backgroundColor = prevBg;

            EditorGUILayout.EndHorizontal();

            EditorGUILayout.Space(3);

            if (desc.UseHint)
            {
                // ── Hint 模式：绘制 HintDataProvider ──
                if (desc.HintProvider == null)
                {
                    Undo.RecordObject(target, "Init HintProvider");
                    desc.HintProvider = new HintDataProvider();
                    EditorUtility.SetDirty(target);
                }

                var hintProp = descItemsArrayProp
                    .GetArrayElementAtIndex(i)
                    .FindPropertyRelative("HintProvider");

                DrawHintProvider(desc.HintProvider, hintProp);

                // 只读预览：显示 GetDesc() 的实际输出
                // 非运行时单例未就绪时会抛异常，显示占位文字
                EditorGUILayout.Space(2);
                EditorGUILayout.LabelField("GetDesc() 预览（运行时）", EditorStyles.centeredGreyMiniLabel);
                string preview;
                try   { preview = desc.GetDesc(); }
                catch { preview = "(仅运行时可预览，当前单例未就绪)"; }
                GUI.enabled = false;
                EditorGUILayout.TextArea(preview, GUILayout.MinHeight(40), GUILayout.ExpandWidth(true));
                GUI.enabled = true;
            }
            else
            {
                // ── 文本模式：直接编辑 Desc 字符串 ──
                var newDesc = EditorGUILayout.TextArea(
                    desc.Desc ?? "",
                    GUILayout.MinHeight(54),
                    GUILayout.ExpandWidth(true));
                if (newDesc != desc.Desc)
                {
                    Undo.RecordObject(target, "Edit Desc Text");
                    desc.Desc = newDesc;
                    EditorUtility.SetDirty(target);
                }
            }

            EditorGUILayout.EndVertical();
        }

        if (removeIdx >= 0)
        {
            Undo.RecordObject(target, "Remove Desc Item");
            item.DescItems.RemoveAt(removeIdx);
            EditorUtility.SetDirty(target);
        }

        // 添加描述按钮
        var firstUnusedDesc = FirstUnusedDescType(item);
        EditorGUILayout.BeginHorizontal();
        GUILayout.FlexibleSpace();
        GUI.enabled = firstUnusedDesc.HasValue;
        var addBg = GUI.backgroundColor;
        GUI.backgroundColor = firstUnusedDesc.HasValue ? new Color(0.48f, 0.85f, 0.48f) : Color.gray;
        if (GUILayout.Button("+ 添加描述", GUILayout.Width(100)) && firstUnusedDesc.HasValue)
        {
            Undo.RecordObject(target, "Add Desc Item");
            item.DescItems.Add(new DescItem { DescType = firstUnusedDesc.Value });
            EditorUtility.SetDirty(target);
        }
        GUI.backgroundColor = addBg;
        GUI.enabled = true;
        EditorGUILayout.EndHorizontal();
    }

    // ── HintDataProvider 编辑器 ───────────────────────────────────────────────
    // 简单字段（枚举 / string / bool）直接操作 provider 对象；
    // 复合类型（UnitFullType、CommonActionId、SkillBase、List<uint>）内部结构未知，保留 PropertyField。
    private void DrawHintProvider(HintDataProvider provider, SerializedProperty hintProp)
    {
        EditorGUILayout.BeginVertical(_hintBoxStyle);

        // —— HintDataType ——
        var newHintType = (HintDataType)EditorGUILayout.EnumPopup("Hint 类型", provider.HintDataType);
        if (newHintType != provider.HintDataType)
        {
            Undo.RecordObject(target, "Edit HintDataType");
            provider.HintDataType = newHintType;
            EditorUtility.SetDirty(target);
        }

        EditorGUILayout.Space(3);

        switch (provider.HintDataType)
        {
            // SkillDataAssets.GetSkillNameAndDesc_DECODE(SkillTypeData, UnitFullType, SkillParam, ...)
            case HintDataType.SkillHintData:
            {
                var v = (SkillType)EditorGUILayout.EnumPopup("技能类型", provider.SkillTypeData);
                if (v != provider.SkillTypeData) { Undo.RecordObject(target, "Edit SkillTypeData"); provider.SkillTypeData = v; EditorUtility.SetDirty(target); }
                EditorGUILayout.PropertyField(hintProp.FindPropertyRelative("UnitFullType"), new GUIContent("单位类型"));
                break;
            }

            // ActionDataAssets.GetActionDesc(ActionIdData, locked, out ret)
            case HintDataType.ActionHintData:
            {
                EditorGUILayout.PropertyField(hintProp.FindPropertyRelative("ActionIdData"), new GUIContent("行动 ID"));
                var v = EditorGUILayout.Toggle("锁定", provider.locked);
                if (v != provider.locked) { Undo.RecordObject(target, "Edit locked"); provider.locked = v; EditorUtility.SetDirty(target); }
                break;
            }

            // TechDataAssets.GetTechDesc(TechTypeData, out ret)
            case HintDataType.TechHintData:
            {
                var v = (TechType)EditorGUILayout.EnumPopup("科技类型", provider.TechTypeData);
                if (v != provider.TechTypeData) { Undo.RecordObject(target, "Edit TechTypeData"); provider.TechTypeData = v; EditorUtility.SetDirty(target); }
                break;
            }

            // 未实现，留空
            case HintDataType.CityUpgradeHintData:
                EditorGUILayout.HelpBox("CityUpgrade 类型暂未实现。", MessageType.Info);
                break;

            // UnitTypeDataAssets.GetUnitDesc(UnitFullType, out ret)
            case HintDataType.UnitHintData:
                EditorGUILayout.PropertyField(hintProp.FindPropertyRelative("UnitFullType"), new GUIContent("单位类型"));
                break;

            // TextDataAssets.GetGiantUpgradeText_DECODE(UnitFullType.GiantType, out ret)
            case HintDataType.TextDataGiantUpgrate:
                EditorGUILayout.PropertyField(hintProp.FindPropertyRelative("UnitFullType"), new GUIContent("单位类型（取 GiantType）"));
                break;

            // TechDataAssets.GetTechAtomInfo(TechAtom, out info)
            case HintDataType.TechAtomHintData:
                EditorGUILayout.PropertyField(hintProp.FindPropertyRelative("TechAtom"), new GUIContent("科技"));
                break;

            // TextData.PlayerActionType == FinishHeroTask → 特殊逻辑；否则直接用 Text 静态文本
            case HintDataType.TextData:
            {
                EditorGUILayout.PropertyField(hintProp.FindPropertyRelative("TextData"),
                    new GUIContent("行动 ID", "PlayerActionType == FinishHeroTask 时走特殊逻辑"));
                var v = EditorGUILayout.TextArea(provider.Text ?? "", GUILayout.MinHeight(40));
                if (v != provider.Text) { Undo.RecordObject(target, "Edit HintProvider Text"); provider.Text = v; EditorUtility.SetDirty(target); }
                EditorGUILayout.LabelField("↑ 静态文本（其余情况显示，已为 DECODE 格式）", EditorStyles.centeredGreyMiniLabel);
                break;
            }

            // 遍历 GeoIdList，逐条拼接地理名称 + 描述
            case HintDataType.GeoData:
                EditorGUILayout.PropertyField(hintProp.FindPropertyRelative("GeoIdList"),
                    new GUIContent("地理 ID 列表"), true);
                break;

            // PlayerTaskDataAssets.GetPlayerTaskData(PlayerTaskType, out data)
            case HintDataType.PlayerTaskData:
            {
                var v = (PlayerTaskType)EditorGUILayout.EnumPopup("玩家任务类型", provider.PlayerTaskType);
                if (v != provider.PlayerTaskType) { Undo.RecordObject(target, "Edit PlayerTaskType"); provider.PlayerTaskType = v; EditorUtility.SetDirty(target); }
                break;
            }
        }

        EditorGUILayout.EndVertical();
    }

    // ── 辅助：首个未使用的 WikiType，全部用完则返回 null ────────────────────
    private static WikiType? FirstUnusedType(WikiItem item)
    {
        foreach (WikiType t in (WikiType[])System.Enum.GetValues(typeof(WikiType)))
            if (!item.Types.Contains(t)) return t;
        return null;
    }

    // ── 辅助：首个未使用的 WikiDescType，全部用完则返回 null ────────────────
    private static WikiDescType? FirstUnusedDescType(WikiItem item)
    {
        foreach (WikiDescType dt in (WikiDescType[])System.Enum.GetValues(typeof(WikiDescType)))
        {
            bool used = false;
            foreach (var d in item.DescItems)
                if (d.DescType == dt) { used = true; break; }
            if (!used) return dt;
        }
        return null;
    }

    // ── 底部添加词条按钮 ─────────────────────────────────────────────────────
    private void DrawAddItemButton()
    {
        EditorGUILayout.BeginHorizontal();
        GUILayout.FlexibleSpace();

        var prevBg = GUI.backgroundColor;
        GUI.backgroundColor = new Color(0.38f, 0.72f, 1f);
        if (GUILayout.Button("＋  添加词条", GUILayout.Height(30), GUILayout.Width(150)))
        {
            Undo.RecordObject(target, "Add Wiki Item");
            Target.AddWikiItem("新词条");
            var newest = Target.Items[^1];
            _foldouts[newest.Id] = true;
            EditorUtility.SetDirty(target);
        }
        GUI.backgroundColor = prevBg;

        GUILayout.FlexibleSpace();
        EditorGUILayout.EndHorizontal();
    }
}