using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

namespace TKS.OutGame
{
    /// <summary>아웃게임 화면 1장(본영 로비 · 영웅 · 편성 · 거래). OutGameRoot 가 만들고 전환한다.</summary>
    public abstract class OutGameScreen
    {
        public OutGameRoot Root;
        public RectTransform Rt;
        /// <summary>하단 탭 강조(0 영웅 · 4 거래 · −1 없음).</summary>
        public int Tab = -1;

        public OutGameSession S
        {
            get { return Root.Session; }
        }

        public abstract void Build();
        public virtual void Refresh() { }
        public virtual void OnShow() { }
        /// <summary>뒤로 가기를 화면 안에서 처리했으면 true.</summary>
        public virtual bool OnBack() { return false; }

        /// <summary>제목 띠(재화 바 아래) · back = 「◀」 버튼.</summary>
        protected void Header(string title, string sub, bool back)
        {
            var band = UiKit.TopBand("Header", Rt, OutGameRoot.TopBarH, OutGameRoot.HeaderH);
            UiKit.Paint(band, UiKit.Header, false);
            float x = 36f;
            if (back)
            {
                var b = UiKit.Btn("Back", band, "◀", 44, UISkin.On ? UiKit.Red : UiKit.Dark, UiKit.White, new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(24f, 0f), new Vector2(100f, 80f), () => Root.Back());
                if (UiKit.Icon(b.transform, "arrow_back", new Vector2(0.5f, 0.5f), new Vector2(0.5f, 0.5f), new Vector2(0f, 6f), 50f) != null) UiKit.LabelOf(b).text = "";
                x = 146f;
            }
            var t = UiKit.Title(UiKit.Label(band, title, 52, UiKit.HeaderText, TextAnchor.MiddleLeft, new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(x, 0f), new Vector2(360f, 90f)), true);
            t.horizontalOverflow = HorizontalWrapMode.Overflow;
            UiKit.Label(band, sub, 30, UiKit.HeaderSub, TextAnchor.MiddleLeft, new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(x + t.preferredWidth + 18f, -4f), new Vector2(700f, 60f), false);
        }

        /// <summary>
        /// 제목 띠 아래 ~ 하단 탭 위 본문 — 기준(1080×1920)의 본문 높이보다 화면이 낮으면(예 1536×2048 = 3:4) 본문 전체를 같은 비율로 줄여 탭 바 밑으로 숨지 않게 한다(PD #1100 · 배치는 그대로).
        /// </summary>
        protected RectTransform Body(string name = "Body")
        {
            var outer = UiKit.Fill(name, Rt, 0f, 0f, OutGameRoot.TopBarH + OutGameRoot.HeaderH, OutGameRoot.TabBarH);
            var inner = UiKit.Rect("Fit", outer, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), Vector2.zero, new Vector2(OutGameRoot.Reference.x, OutGameRoot.BodyH));
            inner.gameObject.AddComponent<UiFitHeight>().designHeight = OutGameRoot.BodyH;
            return inner;
        }
    }

    /// <summary>
    /// 아웃게임 루트(2026-11-05 #1093 시스템 기획 §1 · §10 A) — 게임 시작 = 본영 로비 · 출정 → 기존 챕터 월드맵 · 편성 · 영웅 · 거래 · 준비 중 팝업 ·
    /// 상단 재화 바(골드 · 보옥 · 군량 n/최대 + 회복 타이머 · 월드맵에도 표시) · 하단 탭 5 · 뒤로 가기(◀ · Esc) · 전투 결과 보상 패널.
    /// 데이터 = OutGameSession(표 + 세이브) · 화면은 도형 + 글자 와이어프레임(목업 img03·06·08·11 배치).
    /// </summary>
    public class OutGameRoot : MonoBehaviour
    {
        public static OutGameRoot Instance { get; private set; }

        public const float TopBarH = 120f;
        public const float HeaderH = 104f;
        public const float TabBarH = 150f;
        public static readonly Vector2 Reference = new Vector2(1080f, 1920f);
        /// <summary>기준 화면의 본문 높이(재화 바 · 제목 띠 · 하단 탭 제외).</summary>
        public static float BodyH
        {
            get { return Reference.y - TopBarH - HeaderH - TabBarH; }
        }

        public OutGameSession Session { get; private set; }
        public BattleManager Battle { get; private set; }
        public WorldMapScreen Map { get; private set; }
        public Camera Cam { get; private set; }

        BattleHUD hud;
        SlingshotInput sling;

        Canvas mainCanvas;
        Canvas topCanvas;
        Canvas resultCanvas;
        public RectTransform TopRoot { get; private set; }

        public LobbyScreen Lobby { get; private set; }
        public HeroListScreen HeroList { get; private set; }
        public HeroDetailScreen HeroDetail { get; private set; }
        public FormationScreen Formation { get; private set; }
        public TradeScreen Trade { get; private set; }
        public DomesticScreen Domestic { get; private set; }
        public TreasureScreen Treasures { get; private set; }
        public ArenaScreen Arena { get; private set; }
        readonly List<OutGameScreen> screens = new List<OutGameScreen>();
        OutGameScreen current;

        RectTransform barRoot;
        Text goldText;
        Text gemText;
        Text staminaText;
        Text staminaTimer;
        readonly List<Image> tabImages = new List<Image>();
        readonly List<Text> tabTexts = new List<Text>();

        GameObject modal;
        GameObject toast;
        Text toastText;
        float toastUntil;
        float nextTick;

        BattleResultPanel result;
        bool resultDone;

        public OutGameScreen Current
        {
            get { return current; }
        }

        /// <summary>아웃게임 화면(로비 등)이 보이는가(월드맵·전투 중 = false).</summary>
        public bool ScreensVisible
        {
            get { return mainCanvas != null && mainCanvas.gameObject.activeSelf; }
        }

        public bool LobbyVisible
        {
            get { return ScreensVisible && current == Lobby; }
        }

        public bool ModalVisible
        {
            get { return modal != null; }
        }

        public bool ResultVisible
        {
            get { return result != null && result.Visible; }
        }

        void Awake()
        {
            Instance = this;
        }

        void OnDestroy()
        {
            if (Instance == this) Instance = null;
            BattleEvents.Raised -= OnBattleEvent;
        }

        /// <summary>전투 이벤트 → 보물 조건 효과 카운터(저장은 전투 결과 때 · PD #1093 C).</summary>
        void OnBattleEvent(string key, int n)
        {
            if (Session != null) TreasureRules.AddCount(Session.Save, key, n);
        }

        public void Build(BattleManager b, BattleHUD h, SlingshotInput s, WorldMapScreen wm, Camera cam)
        {
            Battle = b;
            hud = h;
            sling = s;
            Map = wm;
            Cam = cam;
            Session = OutGameSession.Start(OutGameData.Default, b.Config);
            Session.Changed += RefreshAll;

            // 전투 연결: 출전 = 편성 프리셋 · 결과 = 보상
            b.LineupProvider = Session.BuildLineup;
            b.StageStarted += () => resultDone = false;
            b.PhaseChanged += OnPhase;
            // 보물 crit·range·splash = 아군 진영 상시 효과(SkillMods) · 전투 이벤트 카운터(PD #1093 C)
            b.SideEffectsProvider = f => f == Faction.Player ? TreasureRules.BattleEffects(Session.Db, Session.Save) : null;
            BattleEvents.Raised -= OnBattleEvent;
            BattleEvents.Raised += OnBattleEvent;

            // 월드맵 연결: 팝업 줄 · 군량 · 별 · 소탕 · 본영
            if (wm != null)
            {
                wm.TopInset = TopBarH;
                wm.PopupInfo = PopupInfo;
                wm.TryEnter = TryEnter;
                wm.StarsOf = si => EconomyRules.StarsOf(Session.Save, b.Config.stages[si]);
                wm.CanSweep = si => EconomyRules.CanSweep(Session.Save, b.Config.stages[si]);
                wm.Sweep = DoSweep;
                wm.BackRequested = ShowLobby;
            }

            mainCanvas = MakeCanvas("OutGameCanvas", 350, 0.45f);
            resultCanvas = MakeCanvas("BattleResultCanvas", 200, 0.8f);
            topCanvas = MakeCanvas("OutGameTopCanvas", 450, 0.4f);
            TopRoot = (RectTransform)topCanvas.transform;

            var bg = UiKit.Fill("Bg", mainCanvas.transform);
            UiKit.Paint(bg, UiKit.Bg, false, true);

            Lobby = Add(new LobbyScreen());
            HeroList = Add(new HeroListScreen());
            HeroDetail = Add(new HeroDetailScreen());
            Formation = Add(new FormationScreen());
            Trade = Add(new TradeScreen());
            Domestic = Add(new DomesticScreen());
            Treasures = Add(new TreasureScreen());
            Arena = Add(new ArenaScreen());
            BuildTabBar();
            BuildCurrencyBar();
            result = new BattleResultPanel(this, (RectTransform)resultCanvas.transform);
            mainCanvas.gameObject.SetActive(false);
        }

        T Add<T>(T scr) where T : OutGameScreen
        {
            scr.Root = this;
            scr.Rt = UiKit.Fill(typeof(T).Name, mainCanvas.transform);
            scr.Build();
            scr.Rt.gameObject.SetActive(false);
            screens.Add(scr);
            return scr;
        }

        Canvas MakeCanvas(string name, int order, float plane)
        {
            var go = new GameObject(name);
            go.transform.SetParent(transform, false);
            var c = go.AddComponent<Canvas>();
            c.renderMode = RenderMode.ScreenSpaceCamera; // 카메라 캡처(검증)에도 찍히게
            c.worldCamera = Cam;
            c.planeDistance = plane;
            c.sortingOrder = order;
            var sc = go.AddComponent<CanvasScaler>();
            sc.uiScaleMode = CanvasScaler.ScaleMode.ScaleWithScreenSize;
            sc.referenceResolution = Reference;
            sc.matchWidthOrHeight = 0.5f;
            go.AddComponent<GraphicRaycaster>();
            return c;
        }

        // ---------- 화면 전환 ----------

        /// <summary>본영 로비(게임 시작 화면) — 월드맵·전투 HUD·조작을 끄고 로비를 연다.</summary>
        public void ShowLobby()
        {
            if (Map != null) Map.Hide();
            if (Battle != null && Battle.Phase != BattlePhase.Setup) Battle.GoIdle();
            Show(Lobby);
        }

        public void Show(OutGameScreen scr)
        {
            if (hud != null) hud.gameObject.SetActive(false);
            if (sling != null) sling.enabled = false;
            if (Map != null && Map.IsVisible) Map.Hide();
            mainCanvas.gameObject.SetActive(true);
            foreach (var s in screens) s.Rt.gameObject.SetActive(s == scr);
            current = scr;
            for (int i = 0; i < tabImages.Count; i++)
            {
                bool on = scr.Tab == i;
                if (UISkin.On) tabImages[i].gameObject.SetActive(on);
                else tabImages[i].color = on ? UiKit.Red : UiKit.Dark;
            }
            scr.OnShow();
            scr.Refresh();
            RefreshBar();
        }

        public void ShowHero(string id)
        {
            HeroDetail.Select(id);
            Show(HeroDetail);
        }

        /// <summary>출정 = 챕터 월드맵(도전 중인 마지막 열린 챕터).</summary>
        public void OpenWorldMap()
        {
            if (Map == null || !Map.HasData) return;
            CloseModal();
            mainCanvas.gameObject.SetActive(false);
            Map.Show(CurrentChapter());
        }

        public int CurrentChapter()
        {
            if (Map == null) return 0;
            int ch = 0;
            for (int i = 0; i < Map.ChapterCount; i++)
                if (Map.ChapterUnlocked(i)) ch = i;
            return ch;
        }

        /// <summary>뒤로 가기(◀ · Esc): 팝업 닫기 → 화면 안 처리 → 영웅 상세 = 목록 → 나머지 = 로비 · 월드맵 = 로비.</summary>
        public void Back()
        {
            if (modal != null)
            {
                CloseModal();
                return;
            }
            if (Map != null && Map.IsVisible)
            {
                if (Map.PopupVisible) Map.ClosePopup();
                else ShowLobby();
                return;
            }
            if (!ScreensVisible || current == null) return;
            if (current.OnBack()) return;
            if (current == HeroDetail) Show(HeroList);
            else if (current != Lobby) Show(Lobby);
        }

        /// <summary>「준비 중」(연무장·보물·내정) · 「추후 업데이트」(동맹) 안내.</summary>
        public void ComingSoon(string what, bool later = false)
        {
            Modal(what, later ? "추후 업데이트 예정입니다." : "준비 중입니다.\n(2차 개발 — 시스템 기획 §7~§9)", new ModalButton("확인", UiKit.Dark, null));
        }

        void Update()
        {
            if (Battle == null || Session == null) return;
            bool inBattle = Battle.Phase != BattlePhase.Setup;
            bool onMap = Map != null && Map.IsVisible;
            if (inBattle && ScreensVisible) mainCanvas.gameObject.SetActive(false); // 테스트 등이 바로 StartStage 를 불러도 화면이 전투를 가리지 않게
            bool barOn = !inBattle;
            if (barRoot.gameObject.activeSelf != barOn) barRoot.gameObject.SetActive(barOn);
            result.SetVisible(inBattle && resultDone && (Battle.Phase == BattlePhase.StageClear || Battle.Phase == BattlePhase.Defeat));

            if (Time.unscaledTime >= nextTick)
            {
                nextTick = Time.unscaledTime + 0.5f;
                Session.TickStamina();
                RefreshBar();
            }
            if (toast != null && Time.unscaledTime > toastUntil) toast.SetActive(false);
            if (Input.GetKeyDown(KeyCode.Escape) && !inBattle) Back();
        }

        void RefreshAll()
        {
            RefreshBar();
            if (ScreensVisible && current != null) current.Refresh();
        }

        // ---------- 상단 재화 바 ----------

        void BuildCurrencyBar()
        {
            barRoot = UiKit.TopBand("CurrencyBar", TopRoot, 0f, TopBarH);
            UiKit.Paint(barRoot, UISkin.On ? UiKit.BarColor : new Color(0.15f, 0.11f, 0.09f), false, true);
            goldText = Pill(0, "cur_gold", "골", "골드", UiKit.Coin, () => Toast("골드 = 스테이지 보상 · 거래 > 상점 · (구매 상점 준비 중)"));
            gemText = Pill(1, "cur_gem", "보", "보옥", UiKit.Jade, () => Toast("보옥 구매(과금) = 준비 중 · 첫 클리어 · 보스 보상"));
            staminaText = Pill(2, "cur_stamina", "군", "군량", UiKit.Grain, StaminaModal);
            staminaTimer = staminaText.transform.parent.Find("Name").GetComponent<Text>();
        }

        /// <summary>재화 칩(팩 ResourceBar · 아이콘 = 테마 cur_* · 「+」 = 팩 노란 단추).</summary>
        Text Pill(int i, string icon, string mark, string name, Color c, Action plus)
        {
            float w = 336f;
            var p = UiKit.Rect("Pill" + i, barRoot, new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(18f + i * (w + 18f), 0f), new Vector2(w, 84f));
            UiKit.Skin(p, "pill", UISkin.Col("pill", new Color(0.27f, 0.21f, 0.18f)));
            UiKit.IconOrDot(p, icon, mark, c, new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(-4f, 0f), 76f);
            var n = UiKit.Label(p, name, 26, UISkin.Col("bar_text_off", new Color(0.85f, 0.8f, 0.75f)), TextAnchor.MiddleLeft, new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(80f, 0f), new Vector2(110f, 60f), false);
            n.gameObject.name = "Name";
            if (i != 2 && UISkin.Icon(icon) != null) n.text = ""; // 아이콘이 이름을 대신(군량 칸은 회복 타이머 자리)
            var v = UiKit.Title(UiKit.Label(p, "", 36, UISkin.Col("bar_text", UiKit.White), TextAnchor.MiddleRight, new Vector2(1f, 0.5f), new Vector2(1f, 0.5f), new Vector2(-70f, 0f), new Vector2(170f, 60f)), true);
            v.horizontalOverflow = HorizontalWrapMode.Overflow;
            if (UISkin.Has("plus"))
            {
                var pb = UiKit.Rect("Plus", p, new Vector2(1f, 0.5f), new Vector2(1f, 0.5f), new Vector2(-6f, 0f), new Vector2(60f, 62f));
                UiKit.Skin(pb, "plus", Color.white, true);
                pb.gameObject.AddComponent<Button>().onClick.AddListener(() => plus());
            }
            else UiKit.Btn("Plus", p, "+", 40, new Color(0.42f, 0.35f, 0.31f), UiKit.White, new Vector2(1f, 0.5f), new Vector2(1f, 0.5f), new Vector2(-8f, 0f), new Vector2(56f, 56f), plus);
            return v;
        }

        public void RefreshBar()
        {
            if (Session == null || goldText == null) return;
            var d = Session.Save;
            goldText.text = d.gold.ToString("N0");
            gemText.text = d.gem.ToString("N0");
            staminaText.text = d.stamina + "/" + EconomyRules.StaminaMax(Session.Db, d);
            int left = Session.StaminaSecondsToNext();
            staminaTimer.text = left > 0 ? (left / 60).ToString("00") + ":" + (left % 60).ToString("00") : "군량";
        }

        // ---------- 하단 탭 ----------

        void BuildTabBar()
        {
            var bar = UiKit.Rect("TabBar", mainCanvas.transform, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), Vector2.zero, new Vector2(Reference.x, TabBarH));
            bar.anchorMin = new Vector2(0f, 0f);
            bar.anchorMax = new Vector2(1f, 0f);
            bar.offsetMin = new Vector2(0f, 0f);
            bar.offsetMax = new Vector2(0f, TabBarH);
            UiKit.Paint(bar, UISkin.On ? UiKit.BarColor : UiKit.Dark, false, true);
            if (UISkin.On) UiKit.Box("TopLine", bar, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), Vector2.zero, new Vector2(Reference.x * 2f, 6f), UiKit.Line, false);
            string[] names = { "영웅", "보물", "내정", "동맹", "거래" };
            string[] marks = { "영", "보", "내", "잠", "거" };
            string[] icons = { "tab_hero", "tab_treasure", "tab_domestic", "tab_alliance", "tab_trade" };
            Color off = UISkin.Col("bar_text_off", new Color(0.62f, 0.58f, 0.55f));
            for (int i = 0; i < names.Length; i++)
            {
                int k = i;
                var cell = UiKit.Rect("Tab" + i, bar, new Vector2(0f, 0f), new Vector2(0f, 0f), Vector2.zero, Vector2.zero);
                cell.anchorMin = new Vector2(i / 5f, 0f);
                cell.anchorMax = new Vector2((i + 1) / 5f, 1f);
                cell.offsetMin = cell.offsetMax = Vector2.zero;
                var hit = cell.gameObject.AddComponent<Image>();
                hit.color = new Color(0f, 0f, 0f, 0f);
                var btn = cell.gameObject.AddComponent<Button>();
                btn.onClick.AddListener(() => OnTab(k));
                Image img;
                if (UISkin.On)
                {
                    // 선택 탭 = 팩 둥근 판(붉은 옻칠 틴트 · 위로 솟음) · 아이콘 = 테마 tab_*(흰 실루엣)
                    var focus = UiKit.Fill("Focus", cell, 8f, 8f, -18f, 6f);
                    img = UiKit.Skin(focus, "tab_focus", UiKit.Red);
                    var ic = UiKit.Icon(cell, icons[i], new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -14f), 74f);
                    if (ic != null)
                    {
                        if (i == 3) ic.color = off;
                        UISkin.Stroke(ic, UiKit.Line, 3f);
                    }
                    else UiKit.FillLabel(UiKit.Dot("Icon", cell, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -18f), 66f, UISkin.Col("tab_off", UiKit.Dark)).transform, marks[i], 32, UiKit.White);
                }
                else
                {
                    img = hit;
                    img.color = UiKit.Dark;
                    var dot = UiKit.Dot("Icon", cell, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -18f), 66f, i == 3 ? new Color(0.35f, 0.3f, 0.28f) : new Color(0.38f, 0.31f, 0.28f));
                    UiKit.FillLabel(dot.transform, marks[i], 32, i == 3 ? new Color(0.7f, 0.66f, 0.62f) : UiKit.White);
                }
                var t = UiKit.Label(cell, names[i], 32, i == 3 ? off : UiKit.White, TextAnchor.MiddleCenter, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(0f, 14f), new Vector2(200f, 48f));
                if (UISkin.On) UiKit.Title(t, i != 3);
                tabImages.Add(img);
                tabTexts.Add(t);
            }
        }

        public void OnTab(int i)
        {
            switch (i)
            {
                case 0: Show(HeroList); break;
                case 1: Show(Treasures); break;
                case 2: Show(Domestic); break;
                case 3: ComingSoon("동맹", true); break;
                case 4: Show(Trade); break;
            }
        }

        // ---------- 팝업 · 알림 ----------

        public struct ModalButton
        {
            public string label;
            public Color color;
            public Action action;
            public bool keepOpen;

            public ModalButton(string label, Color color, Action action, bool keepOpen = false)
            {
                this.label = label;
                this.color = color;
                this.action = action;
                this.keepOpen = keepOpen;
            }
        }

        public void Modal(string title, string body, params ModalButton[] buttons)
        {
            var content = ModalCustom(title, 0f, buttons);
            var t = UiKit.FillLabel(content, body, 36, UiKit.Ink, TextAnchor.MiddleCenter, false, 10f);
            t.lineSpacing = 1.1f;
            var rt = (RectTransform)content.parent;
            float h = Mathf.Clamp(t.preferredHeight + 330f, 480f, 1500f);
            rt.sizeDelta = new Vector2(rt.sizeDelta.x, h);
        }

        /// <summary>제목 + 내용 칸 + 아래 버튼 줄 · 반환 = 내용 칸(높이 = height · 0 이면 Modal 이 맞춤).</summary>
        public RectTransform ModalCustom(string title, float height, params ModalButton[] buttons)
        {
            CloseModal();
            var dim = UiKit.Fill("Modal", TopRoot);
            var dimImg = UiKit.Paint(dim, UISkin.Col("dim", new Color(0f, 0f, 0f, 0.6f)), false, true);
            dimImg.raycastTarget = true;
            modal = dim.gameObject;
            float h = height > 0f ? height : 600f;
            Image panel;
            RectTransform head;
            if (UISkin.Has("popup"))
            {
                // 팩 팝업: 흰 틀 + 위 제목 띠(진남 틴트 · 광택) + 닫기 X
                panel = UiKit.Skin(UiKit.Rect("Panel", dim, new Vector2(0.5f, 0.5f), new Vector2(0.5f, 0.5f), new Vector2(0f, 20f), new Vector2(940f, h)), "popup", UiKit.Paper, true);
                head = UiKit.TopBand("Head", panel.transform, 6f, 110f, 7f, 7f);
                UiKit.Skin(head, "popup_head", UiKit.Header);
                var tt = UiKit.Title(UiKit.FillLabel(head, title, 44, UiKit.HeaderText, TextAnchor.MiddleCenter, true, 110f), true);
                tt.resizeTextForBestFit = true;
                tt.resizeTextMinSize = 28;
                tt.resizeTextMaxSize = 44;
                var x = UiKit.Rect("Close", panel.transform, new Vector2(1f, 1f), new Vector2(0.5f, 0.5f), new Vector2(-58f, -60f), new Vector2(86f, 88f));
                UiKit.Skin(x, "close", Color.white, true);
                x.gameObject.AddComponent<Button>().onClick.AddListener(CloseModal);
            }
            else
            {
                panel = UiKit.Box("Panel", dim, new Vector2(0.5f, 0.5f), new Vector2(0.5f, 0.5f), new Vector2(0f, 20f), new Vector2(940f, h), UiKit.Paper);
                panel.raycastTarget = true;
                UiKit.Border(panel, UiKit.Line, 4f);
                head = UiKit.TopBand("Head", panel.transform, 0f, 110f);
                UiKit.Paint(head, UiKit.Dark);
                UiKit.FillLabel(head, title, 44, UiKit.White);
            }
            var content = UiKit.Fill("Content", panel.transform, 40f, 40f, 130f, 160f);
            int n = Mathf.Max(1, buttons.Length);
            float bw = Mathf.Min(400f, (860f - (n - 1) * 20f) / n);
            for (int i = 0; i < buttons.Length; i++)
            {
                var mb = buttons[i];
                float x = (i - (n - 1) / 2f) * (bw + 20f);
                UiKit.Btn("B" + i, panel.transform, mb.label, 34, mb.color, UiKit.White, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(x, 36f), new Vector2(bw, 100f), () =>
                {
                    if (!mb.keepOpen) CloseModal();
                    if (mb.action != null) mb.action();
                });
            }
            return content;
        }

        public void CloseModal()
        {
            if (modal == null) return;
            modal.SetActive(false);
            Destroy(modal);
            modal = null;
        }

        public void Toast(string msg)
        {
            if (toast == null)
            {
                var img = UISkin.Has("toast")
                    ? UiKit.Skin(UiKit.Rect("Toast", TopRoot, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(0f, TabBarH + 40f), new Vector2(940f, 110f)), "toast", UiKit.BarColor)
                    : UiKit.Box("Toast", TopRoot, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(0f, TabBarH + 40f), new Vector2(940f, 110f), new Color(0.1f, 0.08f, 0.07f, 0.92f));
                toast = img.gameObject;
                toastText = UiKit.FillLabel(img.transform, "", 32, UiKit.White, TextAnchor.MiddleCenter, false, 16f);
            }
            toast.transform.SetAsLastSibling();
            toastText.text = msg;
            toast.SetActive(true);
            toastUntil = Time.unscaledTime + 2.2f;
        }

        public string LastToast
        {
            get { return toast != null && toast.activeSelf ? toastText.text : ""; }
        }

        // ---------- 군량 ----------

        /// <summary>군량 충전(보옥 구매 · 광고 스텁) 팝업.</summary>
        public void StaminaModal()
        {
            StaminaModal(null);
        }

        void StaminaModal(string why)
        {
            var e = Session.Db.Economy;
            var d = Session.Save;
            EconomyRules.RollDaily(d, Session.Now);
            string body = (why != null ? why + "\n\n" : "") +
                          "군량 " + d.stamina + " / " + EconomyRules.StaminaMax(Session.Db, d) + " · " + (EconomyRules.RegenSec(Session.Db, d) / 60f).ToString("0.#") + "분마다 1 회복(오프라인 포함)\n" +
                          "스테이지 " + e.StageCost + " · 보스 " + e.BossCost + " 소모";
            Modal("군량 충전", body,
                new ModalButton("보옥 " + e.GemStaminaCost + " → +" + e.GemStaminaAmount + "\n(오늘 " + d.adsUsed.gemStamina + "/" + e.GemStaminaDaily + ")", UiKit.Jade, () =>
                {
                    var w = Session.BuyStamina();
                    StaminaModal(w ?? "군량 +" + e.GemStaminaAmount);
                    if (Map != null) Map.RefreshPopup();
                }, true),
                new ModalButton("광고(시험) +" + e.AdStamina + "\n(오늘 " + d.adsUsed.stamina + "/" + e.AdStaminaDaily + ")", UiKit.Grain, () =>
                {
                    var w = Session.AdStamina();
                    StaminaModal(w ?? "군량 +" + e.AdStamina + " (광고 SDK 미연동 · 시험 지급)");
                    if (Map != null) Map.RefreshPopup();
                }, true),
                new ModalButton("닫기", UiKit.Dark, null));
        }

        // ---------- 월드맵 연결 ----------

        string PopupInfo(int si)
        {
            var s = Battle.Config.stages[si];
            var db = Session.Db;
            var d = Session.Save;
            var e = db.Economy;
            var row = db.Rewards.For(s.chapter);
            if (row == null) return "";
            var st = d.Stage(s.chapter, s.stage, false);
            bool first = st == null || st.clears == 0;
            int cost = EconomyRules.StageCost(db, d, s);
            float baseGold = row.goldBase + s.stage * e.GoldPerStage;
            int gold = Mathf.RoundToInt(baseGold * (first ? e.FirstClearGoldMult : e.RepeatRewardMult));
            int exp = Mathf.RoundToInt(row.expBase * (first ? 1f : e.RepeatRewardMult));
            bool boss = s.kind == StageKind.Boss;
            var sb = new System.Text.StringBuilder();
            sb.Append("<color=#8a3a22>군량 ").Append(cost).Append(" 소모</color>  (보유 ").Append(d.stamina).Append("/").Append(EconomyRules.StaminaMax(db, d)).Append(")");
            sb.Append("\n보상  골드 ").Append(gold).Append(first ? "(첫 클리어)" : "(반복 ×" + e.RepeatRewardMult + ")").Append(" · 경험 ").Append(exp).Append("(출전 전원)");
            if (first) sb.Append(" · 보옥 ").Append(row.gemFirst + (boss ? row.gemBoss : 0));
            float drop = boss ? e.BossGearDropPct : row.gearDropPct;
            sb.Append("\n장비 드랍 ").Append(Mathf.RoundToInt(drop * 100f)).Append("% (").Append(UiKit.GradeKo(row.gearGradeMax)).Append(" 등급 이하)");
            int stars = st != null ? st.stars : 0;
            sb.Append("\n별 ").Append(UiKit.Stars(stars, 3)).Append("  클리어 · 전원 생존 · ").Append(row.starTurns).Append("턴 이내");
            if (stars >= 3) sb.Append("\n<color=#3a6a30>별 3 = 소탕 가능(군량만 · 전투 없음)</color>");
            return sb.ToString();
        }

        bool TryEnter(int si)
        {
            if (Session.TryPayEntry(Battle.Config.stages[si])) return true;
            StaminaModal("군량이 부족합니다 — 필요 " + EconomyRules.StageCost(Session.Db, Session.Save, Battle.Config.stages[si]));
            return false;
        }

        void DoSweep(int si)
        {
            var s = Battle.Config.stages[si];
            var r = Session.Sweep(s);
            if (r == null)
            {
                StaminaModal("군량이 부족합니다 — 필요 " + EconomyRules.StageCost(Session.Db, Session.Save, s));
                return;
            }
            Modal("소탕 " + s.chapter + "-" + s.stage, BattleResultPanel.RewardText(Session, r), new ModalButton("확인", UiKit.Dark, null));
            if (Map != null) Map.RefreshPopup();
        }

        // ---------- 전투 결과 ----------

        void OnPhase(BattlePhase p)
        {
            if (p != BattlePhase.StageClear && p != BattlePhase.Defeat) return;
            if (resultDone) return;
            resultDone = true;
            if (Battle.Mode != null)
            {
                result.FillMode(Session.OnModeEnd(Battle, p == BattlePhase.StageClear));
                return;
            }
            var r = Session.OnBattleEnd(Battle, p == BattlePhase.StageClear);
            result.Fill(r);
        }

        // ---------- 연무장 전투(PD #1093 C) ----------

        /// <summary>연무장 모드 전투 시작 — 아웃게임 화면을 닫고 HUD·조작을 켠 뒤 BattleManager.StartMode · 결과 탭 = 연무장 returnPage 로.</summary>
        public void StartMode(string kind, string id, int index, BalanceConfig.StageDef stage, int maxTurns, int returnPage)
        {
            if (stage == null)
            {
                Toast("적 편성 없음");
                return;
            }
            Session.Mode = new OutGameSession.ModeCtx { kind = kind, id = id, index = index };
            CloseModal();
            if (Map != null && Map.IsVisible) Map.Hide();
            mainCanvas.gameObject.SetActive(false);
            if (hud != null) hud.gameObject.SetActive(true);
            if (sling != null) sling.enabled = true;
            Battle.StartMode(new BattleMode
            {
                kind = kind, stage = stage, maxTurns = maxTurns,
                onExit = () =>
                {
                    Show(Arena);
                    Arena.SetPage(returnPage);
                },
            });
        }
    }
}