using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using BaseGames.UI;
using BaseGames.UI.Theme;
using BaseGames.Core.Events;
using BaseGames.Localization;
using BaseGames.Editor.Localization;

namespace BaseGames.Editor.UI
{
    /// <summary>
    /// 图鉴脚手架：生成 <c>UI_BestiaryCell</c> + <c>UI_BestiaryPanel</c> 预制件 + 空 <c>UI_BestiaryDatabase</c> 表 + BESTIARY_* 中英文案。
    /// 面板据 BestiaryDatabaseSO 列出全部敌人，经 IBestiaryService 读已发现态（已发现亮/未发现 ??? + 剪影 + 锁），
    /// 订阅 EVT_BestiaryUpdated 实时刷新；点击格子在右侧详情区展示。
    ///
    /// 数据：策划在 UI_BestiaryDatabase 增删条目（enemyId 须与 EnemyBase._enemyId 一致），或用「同步图鉴条目」工具自动补。
    /// 菜单：BaseGames/UI/控件库/生成图鉴（预制件 + 空表）
    /// </summary>
    public static class UIBestiaryScaffold
    {
        private const string PrefabDir   = "Assets/_Game/Prefabs/UI";
        private const string ControlsDir = "Assets/_Game/Prefabs/UI/Controls";
        private const string ConfigDir   = "Assets/_Game/Data/UI";
        private const string ThemePath   = "Assets/_Game/Data/UI/Themes/UI_Theme_Default.asset";
        private const string PanelName   = "UI_BestiaryPanel";
        private const string CellName    = "UI_BestiaryCell";
        private const string DbName      = "UI_BestiaryDatabase";

        [MenuItem("BaseGames/UI/控件库/生成图鉴（预制件 + 空表）")]
        public static void GeneratePrefab()
        {
            EnsureFolder(PrefabDir); EnsureFolder(ControlsDir); EnsureFolder(ConfigDir);
            var report = new List<string>();
            var theme = AssetDatabase.LoadAssetAtPath<UIThemeSO>(ThemePath);
            var db    = EnsureDatabase(report);
            SeedLocalization(report);
            var cell  = BuildCellPrefab(theme, report);
            BuildPanelPrefab(theme, db, cell, report);

            AssetDatabase.SaveAssets(); AssetDatabase.Refresh();
            var sb = new System.Text.StringBuilder("[UIBestiary] 图鉴已生成：\n");
            foreach (var r in report) sb.AppendLine("  • " + r);
            sb.AppendLine("策划在 UI_BestiaryDatabase 填敌人条目（enemyId 同 EnemyBase._enemyId）；重跑「Scaffold Inventory Hub」收编为图鉴 Tab。");
            Debug.Log(sb.ToString());
        }

        private static BestiaryDatabaseSO EnsureDatabase(List<string> report)
        {
            string path = $"{ConfigDir}/{DbName}.asset";
            var db = AssetDatabase.LoadAssetAtPath<BestiaryDatabaseSO>(path);
            if (db == null)
            {
                db = ScriptableObject.CreateInstance<BestiaryDatabaseSO>();
                AssetDatabase.CreateAsset(db, path);
                report.Add($"{path}（空表，待策划/同步工具填充）");
            }
            return db;
        }

        private static void SeedLocalization(List<string> report)
        {
            var zh = new Dictionary<string, string>
            {
                { "MENU_BESTIARY", "图鉴" }, { "BESTIARY_TITLE", "图鉴" },
                { "BESTIARY_LOCKED", "???" }, { "BESTIARY_LOCKED_DESC", "尚未发现该敌人。" },
                { "BESTIARY_HP", "生命" }, { "BESTIARY_KILLS", "击杀" },
            };
            var en = new Dictionary<string, string>
            {
                { "MENU_BESTIARY", "Bestiary" }, { "BESTIARY_TITLE", "Bestiary" },
                { "BESTIARY_LOCKED", "???" }, { "BESTIARY_LOCKED_DESC", "Not yet discovered." },
                { "BESTIARY_HP", "HP" }, { "BESTIARY_KILLS", "Kills" },
            };
            int added = MergeWriteUI(Language.ChineseSimplified, zh) + MergeWriteUI(Language.English, en);
            report.Add($"本地化新增 {added} 条（已存在不覆盖）。");
        }

        private static int MergeWriteUI(Language lang, Dictionary<string, string> kv)
        {
            var dict = LocalizationFileIO.Read(lang, LocalizationTable.UI);
            int added = 0;
            foreach (var p in kv) if (!dict.ContainsKey(p.Key)) { dict[p.Key] = p.Value; added++; }
            if (added > 0) LocalizationFileIO.Write(lang, LocalizationTable.UI, dict);
            return added;
        }

        // ── 单元格预制件 ─────────────────────────────────────────────────────
        private static BestiaryCellView BuildCellPrefab(UIThemeSO theme, List<string> report)
        {
            var root = new GameObject(CellName, typeof(RectTransform), typeof(CanvasGroup));
            ((RectTransform)root.transform).sizeDelta = new Vector2(170f, 130f);
            var view = root.AddComponent<BestiaryCellView>();

            var bg = root.AddComponent<Image>();
            bg.sprite = Std(); bg.type = Image.Type.Sliced; bg.color = new Color(1f, 1f, 1f, 0.05f);
            var btn = root.AddComponent<Button>(); btn.targetGraphic = bg;

            var iconGo = NewUIChild(root.transform, "Icon", out var iconRt);
            SetRect(iconRt, C(0.5f, 1f), C(0.5f, 1f), C(0.5f, 1f), new Vector2(0f, -44f), new Vector2(72f, 72f));
            var icon = iconGo.AddComponent<Image>(); icon.preserveAspect = true; icon.raycastTarget = false;

            var nameGo = NewUIChild(root.transform, "Name", out var nameRt);
            SetRect(nameRt, C(0.5f, 0f), C(0.5f, 0f), C(0.5f, 0f), new Vector2(0f, 14f), new Vector2(154f, 40f));
            var nameTmp = nameGo.AddComponent<TextMeshProUGUI>();
            nameTmp.alignment = TextAlignmentOptions.Center; nameTmp.fontSize = 18f; nameTmp.enableWordWrapping = true;
            nameTmp.raycastTarget = false;
            var loc = nameGo.AddComponent<LocalizedText>();
            SetEnum(nameGo.AddComponent<UIThemeRole>(), "_kind", (int)UIThemeRoleKind.Text_Primary);

            var lockGo = NewUIChild(root.transform, "LockedOverlay", out var lockRt);
            Stretch(lockRt);
            var lockImg = lockGo.AddComponent<Image>(); lockImg.color = new Color(0f, 0f, 0f, 0.5f); lockImg.raycastTarget = false;
            lockGo.SetActive(false);

            var so = new SerializedObject(view);
            so.FindProperty("_icon").objectReferenceValue         = icon;
            so.FindProperty("_label").objectReferenceValue        = loc;
            so.FindProperty("_lockedOverlay").objectReferenceValue = lockGo;
            so.FindProperty("_group").objectReferenceValue        = root.GetComponent<CanvasGroup>();
            so.FindProperty("_selectButton").objectReferenceValue = btn;
            so.ApplyModifiedPropertiesWithoutUndo();

            string path = $"{ControlsDir}/{CellName}.prefab";
            var asset = PrefabUtility.SaveAsPrefabAsset(root, path);
            Object.DestroyImmediate(root);
            report.Add(path);
            return asset.GetComponent<BestiaryCellView>();
        }

        // ── 面板预制件 ───────────────────────────────────────────────────────
        private static void BuildPanelPrefab(UIThemeSO theme, BestiaryDatabaseSO db, BestiaryCellView cell, List<string> report)
        {
            var root = new GameObject(PanelName,
                typeof(RectTransform), typeof(Canvas), typeof(CanvasScaler), typeof(GraphicRaycaster), typeof(CanvasGroup));
            Stretch((RectTransform)root.transform);
            SetupCanvas(root, 62);
            var panel = root.AddComponent<BestiaryPanel>();
            var applier = root.AddComponent<UIThemeApplier>();
            if (theme != null) AssignRef(applier, "_theme", theme);

            var overlayGo = NewUIChild(root.transform, "Overlay", out var ovRt);
            Stretch(ovRt);
            overlayGo.AddComponent<Image>().color = new Color(0f, 0f, 0f, 0.6f);

            var boxGo = NewUIChild(root.transform, "DialogBox", out var boxRt);
            SetRect(boxRt, C(0.5f), C(0.5f), C(0.5f), Vector2.zero, new Vector2(1280f, 760f));
            var box = boxGo.AddComponent<Image>(); box.sprite = Std(); box.type = Image.Type.Sliced;
            box.color = new Color(0.10f, 0.11f, 0.15f, 0.98f);
            SetEnum(boxGo.AddComponent<UIThemeRole>(), "_kind", (int)UIThemeRoleKind.Graphic_Background);

            // 标题
            var titleGo = NewUIChild(boxGo.transform, "Title", out var titleRt);
            SetRect(titleRt, C(0.5f, 1f), C(0.5f, 1f), C(0.5f, 1f), new Vector2(0f, -46f), new Vector2(600f, 54f));
            var title = titleGo.AddComponent<TextMeshProUGUI>();
            title.alignment = TextAlignmentOptions.Center; title.fontSize = 40f; title.raycastTarget = false;
            titleGo.AddComponent<LocalizedText>();
            SetString(titleGo.GetComponent<LocalizedText>(), "_key", "BESTIARY_TITLE");
            SetEnum(titleGo.AddComponent<UIThemeRole>(), "_kind", (int)UIThemeRoleKind.Text_Header);

            // 完成度（右上）
            var compGo = NewUIChild(boxGo.transform, "Completion", out var compRt);
            SetRect(compRt, C(1f, 1f), C(1f, 1f), C(1f, 1f), new Vector2(-40f, -52f), new Vector2(300f, 40f));
            var comp = compGo.AddComponent<TextMeshProUGUI>();
            comp.alignment = TextAlignmentOptions.Right; comp.fontSize = 26f; comp.raycastTarget = false;
            SetEnum(compGo.AddComponent<UIThemeRole>(), "_kind", (int)UIThemeRoleKind.Text_Secondary);

            // 敌人格网格（左）
            var gridGo = NewUIChild(boxGo.transform, "GridContainer", out var gridRt);
            SetRect(gridRt, C(0f, 1f), C(0f, 1f), C(0f, 1f), new Vector2(40f, -120f), new Vector2(760f, 600f));
            var grid = gridGo.AddComponent<GridLayoutGroup>();
            grid.cellSize = new Vector2(170f, 130f); grid.spacing = new Vector2(14f, 14f);
            grid.childAlignment = TextAnchor.UpperLeft;
            grid.constraint = GridLayoutGroup.Constraint.FixedColumnCount; grid.constraintCount = 4;

            // 详情区（右）
            var detailGo = NewUIChild(boxGo.transform, "DetailPane", out var detailRt);
            SetRect(detailRt, C(1f, 1f), C(1f, 1f), C(1f, 1f), new Vector2(-40f, -120f), new Vector2(420f, 600f));
            var detailBg = detailGo.AddComponent<Image>(); detailBg.color = new Color(1f, 1f, 1f, 0.03f);
            detailBg.sprite = Std(); detailBg.type = Image.Type.Sliced;

            var dIconGo = NewUIChild(detailGo.transform, "DetailIcon", out var dIconRt);
            SetRect(dIconRt, C(0.5f, 1f), C(0.5f, 1f), C(0.5f, 1f), new Vector2(0f, -30f), new Vector2(160f, 160f));
            var dIcon = dIconGo.AddComponent<Image>(); dIcon.preserveAspect = true; dIcon.raycastTarget = false;

            var dNameGo = NewUIChild(detailGo.transform, "DetailName", out var dNameRt);
            SetRect(dNameRt, C(0.5f, 1f), C(0.5f, 1f), C(0.5f, 1f), new Vector2(0f, -210f), new Vector2(384f, 44f));
            var dName = dNameGo.AddComponent<TextMeshProUGUI>();
            dName.alignment = TextAlignmentOptions.Center; dName.fontSize = 28f; dName.raycastTarget = false;
            dNameGo.AddComponent<LocalizedText>();
            SetEnum(dNameGo.AddComponent<UIThemeRole>(), "_kind", (int)UIThemeRoleKind.Text_Header);

            var dStatsGo = NewUIChild(detailGo.transform, "DetailStats", out var dStatsRt);
            SetRect(dStatsRt, C(0.5f, 1f), C(0.5f, 1f), C(0.5f, 1f), new Vector2(0f, -258f), new Vector2(384f, 34f));
            var dStats = dStatsGo.AddComponent<TextMeshProUGUI>();
            dStats.alignment = TextAlignmentOptions.Center; dStats.fontSize = 20f; dStats.raycastTarget = false;
            SetEnum(dStatsGo.AddComponent<UIThemeRole>(), "_kind", (int)UIThemeRoleKind.Text_Secondary);

            var dDescGo = NewUIChild(detailGo.transform, "DetailDesc", out var dDescRt);
            SetRect(dDescRt, C(0.5f, 1f), C(0.5f, 1f), C(0.5f, 1f), new Vector2(0f, -310f), new Vector2(372f, 260f));
            var dDesc = dDescGo.AddComponent<TextMeshProUGUI>();
            dDesc.alignment = TextAlignmentOptions.TopLeft; dDesc.fontSize = 18f; dDesc.enableWordWrapping = true; dDesc.raycastTarget = false;
            SetEnum(dDescGo.AddComponent<UIThemeRole>(), "_kind", (int)UIThemeRoleKind.Text_Secondary);

            // 关闭
            var closeGo = NewUIChild(boxGo.transform, "Btn_Close", out var closeRt);
            SetRect(closeRt, C(0.5f, 0f), C(0.5f, 0f), C(0.5f, 0f), new Vector2(0f, 32f), new Vector2(240f, 56f));
            var closeImg = closeGo.AddComponent<Image>(); closeImg.sprite = Std(); closeImg.type = Image.Type.Sliced;
            closeImg.color = new Color(1f, 1f, 1f, 0.06f);
            var closeBtn = closeGo.AddComponent<Button>(); closeBtn.targetGraphic = closeImg;
            var clblGo = NewUIChild(closeGo.transform, "Label", out var clblRt);
            Stretch(clblRt);
            var clbl = clblGo.AddComponent<TextMeshProUGUI>();
            clbl.alignment = TextAlignmentOptions.Center; clbl.fontSize = 26f;
            clblGo.AddComponent<LocalizedText>();
            SetString(clblGo.GetComponent<LocalizedText>(), "_key", "BTN_BACK");
            SetEnum(clblGo.AddComponent<UIThemeRole>(), "_kind", (int)UIThemeRoleKind.Text_Primary);

            // 绑定 BestiaryPanel
            var so = new SerializedObject(panel);
            so.FindProperty("_database").objectReferenceValue       = db;
            so.FindProperty("_container").objectReferenceValue      = gridRt;
            so.FindProperty("_cellPrefab").objectReferenceValue     = cell;
            so.FindProperty("_completionText").objectReferenceValue = comp;
            so.FindProperty("_btnClose").objectReferenceValue       = closeBtn;
            so.FindProperty("_detailIcon").objectReferenceValue     = dIcon;
            so.FindProperty("_detailName").objectReferenceValue     = dNameGo.GetComponent<LocalizedText>();
            so.FindProperty("_detailDesc").objectReferenceValue     = dDesc;
            so.FindProperty("_detailStats").objectReferenceValue    = dStats;
            so.FindProperty("_onBestiaryUpdated").objectReferenceValue = FindAsset<StringEventChannelSO>("EVT_BestiaryUpdated");
            so.ApplyModifiedPropertiesWithoutUndo();

            root.SetActive(false);
            PrefabUtility.SaveAsPrefabAsset(root, $"{PrefabDir}/{PanelName}.prefab");
            Object.DestroyImmediate(root);
            report.Add($"{PrefabDir}/{PanelName}.prefab");
        }

        // ── 助手（对照 UIAbilityOverviewScaffold）──────────────────────────────
        private static Vector2 C(float x = 0.5f, float y = 0.5f) => new Vector2(x, y);
        private static GameObject NewUIChild(Transform parent, string name, out RectTransform rt)
        { var go = new GameObject(name, typeof(RectTransform)); rt = (RectTransform)go.transform; rt.SetParent(parent, false); return go; }
        private static void Stretch(RectTransform rt) { rt.anchorMin = Vector2.zero; rt.anchorMax = Vector2.one; rt.offsetMin = Vector2.zero; rt.offsetMax = Vector2.zero; }
        private static void SetRect(RectTransform rt, Vector2 aMin, Vector2 aMax, Vector2 pivot, Vector2 pos, Vector2 size)
        { rt.anchorMin = aMin; rt.anchorMax = aMax; rt.pivot = pivot; rt.anchoredPosition = pos; rt.sizeDelta = size; }
        private static void SetEnum(Component c, string prop, int value) { var so = new SerializedObject(c); var p = so.FindProperty(prop); if (p != null) { p.enumValueIndex = value; so.ApplyModifiedPropertiesWithoutUndo(); } }
        private static void SetString(Component c, string prop, string value) { if (c == null) return; var so = new SerializedObject(c); var p = so.FindProperty(prop); if (p != null) { p.stringValue = value; so.ApplyModifiedPropertiesWithoutUndo(); } }
        private static void AssignRef(Object target, string prop, Object value) { var so = new SerializedObject(target); var p = so.FindProperty(prop); if (p != null) { p.objectReferenceValue = value; so.ApplyModifiedPropertiesWithoutUndo(); } }
        private static T FindAsset<T>(string name) where T : Object
        { foreach (var g in AssetDatabase.FindAssets($"{name} t:{typeof(T).Name}")) { var pa = AssetDatabase.GUIDToAssetPath(g); var a = AssetDatabase.LoadAssetAtPath<T>(pa); if (a != null && a.name == name) return a; } return null; }
        private static void SetupCanvas(GameObject go, int sortOrder)
        {
            var canvas = go.GetComponent<Canvas>();
            canvas.renderMode = RenderMode.ScreenSpaceOverlay; canvas.sortingOrder = sortOrder;
            var scaler = go.GetComponent<CanvasScaler>();
            scaler.uiScaleMode = CanvasScaler.ScaleMode.ScaleWithScreenSize;
            scaler.referenceResolution = new Vector2(1920f, 1080f);
            scaler.screenMatchMode = CanvasScaler.ScreenMatchMode.MatchWidthOrHeight;
            scaler.matchWidthOrHeight = 0.5f;
        }
        private static Sprite Std() => AssetDatabase.GetBuiltinExtraResource<Sprite>("UI/Skin/UISprite.psd");
        private static void EnsureFolder(string dir) { var parts = dir.Split('/'); string cur = parts[0]; for (int i = 1; i < parts.Length; i++) { string n = $"{cur}/{parts[i]}"; if (!AssetDatabase.IsValidFolder(n)) AssetDatabase.CreateFolder(cur, parts[i]); cur = n; } }
    }
}