using UnityEngine;
using UnityEngine.UI;

namespace TKS.OutGame
{
    /// <summary>
    /// 본영 로비(Fable 제안서 §4-1 · PD 2026-11-09 「카피바라GO·탕탕특공대 참고 상업 수준」) — 키아트 + 위 비네트 · 진행 띠(지도 핀 · 장 이름 · 진행 바 n/m) ·
    /// 좌우 세로 버튼 열(임무·우편·동맹 / 상점·상자·이벤트 · 미구현 = 잠금 자리) · 출전 편성 5인 · 아래 버튼 행(편성 원 · 출정 3층 · 연무장 원) + 뒤 어두운 띠 · 하단 탭 5.
    /// 본문 좌표 = 절대 y − 224.
    /// </summary>
    public class LobbyScreen : OutGameScreen
    {
        Text progress;
        Text progressNum;
        RectTransform progressFill;
        Text sortieSub;
        Text chestBadge;
        RectTransform field;
        /// <summary>로비 출전 영웅 표준 키(px · 크기 표 size_px 가 이 높이) — 유비가 예전 칸 맞춤 때와 같은 크기(797×826 틀 → 196 칸 = ×0.246 · size 837 × 0.246 ≈ 206).</summary>
        const float LobbyUnitPx = 206f;

        static RectTransform At(Transform p, string name, float x, float y, float w, float h)
        {
            return UiKit.Rect(name, p, new Vector2(0f, 1f), new Vector2(0f, 1f), new Vector2(x, -y), new Vector2(w, h));
        }

        public override void Build()
        {
            Header("본영", "", false);
            var outer = Body();

            // 배경 = 테마 bg_lobby(키아트 · 어둡게) · 없으면 땅 색 판
            var art = UISkin.Icon("bg_lobby");
            if (art != null)
            {
                var clip = UiKit.Fill("LobbyBg", outer);
                clip.gameObject.AddComponent<RectMask2D>();
                // 위쪽 맞춤 × 1.22 — 키아트 아래쪽 아군 5인은 잘라 내고(편성 5인과 겹치지 않게) 전장·적진만 보이게
                var art2 = UiKit.Rect("Art", clip, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), Vector2.zero, Vector2.zero);
                art2.anchorMin = new Vector2(-0.11f, 1f);
                art2.anchorMax = new Vector2(1.11f, 1f);
                art2.offsetMin = art2.offsetMax = Vector2.zero;
                var bimg = art2.gameObject.AddComponent<Image>();
                bimg.sprite = art;
                bimg.color = UISkin.Col("lobby_tint", Color.white);
                bimg.raycastTarget = false;
                var fit = bimg.gameObject.AddComponent<AspectRatioFitter>();
                fit.aspectMode = AspectRatioFitter.AspectMode.WidthControlsHeight;
                fit.aspectRatio = art.rect.width / Mathf.Max(1f, art.rect.height);
            }
            // 위 비네트(Glow_Panel01 = 위 불투명 → 아래 투명 · 실측) · 아래 버튼 뒤 어두운 띠
            var vg = UiKit.Rect("Vignette", outer, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), Vector2.zero, new Vector2(0f, 180f));
            vg.anchorMin = new Vector2(0f, 1f);
            vg.anchorMax = new Vector2(1f, 1f);
            vg.sizeDelta = new Vector2(0f, 180f);
            UiKit.Skin(vg, "scroll_fade", UiKit.Col("lobby_vignette", Color.clear)).enabled = UISkin.Has("scroll_fade");
            var body = UiKit.Rect("Mock", outer, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), Vector2.zero, new Vector2(OutGameRoot.Reference.x, OutGameRoot.BodyH));
            var band = At(body, "BottomBand", -40f, 1236f, 1160f, 330f);
            UiKit.Skin(band, "card", UiKit.Col("lobby_band", Color.clear));

            // 진행 띠(절대 236~312) = 지도 핀 + 장 이름 + 진행 바 n/m
            var pb = At(body, "Progress", 24f, 12f, 1032f, 76f);
            UiKit.Skin(pb, "card", UiKit.Col("chip_dark", UiKit.Dark));
            UiKit.DropShadow(UiKit.Icon(pb, "map_point", new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(18f, 2f), 50f), 3f);
            progress = UiKit.Title(UiKit.Label(pb, "", 34, UiKit.White, TextAnchor.MiddleLeft, new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(78f, 2f), new Vector2(560f, 60f)), true);
            progress.horizontalOverflow = HorizontalWrapMode.Overflow;
            var bar = UiKit.Rect("Bar", pb, new Vector2(1f, 0.5f), new Vector2(1f, 0.5f), new Vector2(-104f, 0f), new Vector2(240f, 26f));
            UiKit.Skin(bar, "lv_bar_bg", UiKit.White);
            progressFill = UiKit.Rect("Fill", bar, new Vector2(0f, 0.5f), new Vector2(0f, 0.5f), new Vector2(4f, 0f), new Vector2(0f, 16f));
            UiKit.Skin(progressFill, "lv_fill", UiKit.Col("lv_fill", UiKit.Coin));
            progressNum = UiKit.Title(UiKit.Label(pb, "", 26, UiKit.White, TextAnchor.MiddleRight, new Vector2(1f, 0.5f), new Vector2(1f, 0.5f), new Vector2(-18f, 2f), new Vector2(80f, 50f)), true);

            // 좌우 세로 버튼 열(166×150 · 미구현 = 잠금 자리)
            SideButton(body, 24f, 106f, "lobby_mission", "임무", true, () => Root.ComingSoon("임무"));
            SideButton(body, 24f, 272f, "lobby_mail", "우편", true, () => Root.ComingSoon("우편"));
            SideButton(body, 24f, 438f, "lobby_alliance", "동맹", true, () => Root.ComingSoon("동맹", true));
            SideButton(body, 890f, 106f, "lobby_shop", "상점", false, () => Root.Trade.OpenShop());
            var chest = SideButton(body, 890f, 272f, "lobby_chest", "상자", false, () =>
            {
                Root.Show(Root.Treasures);
                Root.Treasures.SetPage(2);
            });
            var cb = UiKit.Skin(UiKit.Rect("Alert", chest, new Vector2(1f, 1f), new Vector2(0.5f, 0.5f), new Vector2(-12f, -12f), new Vector2(44f, 46f)), "badge_circle", UiKit.Col("alert_red", UiKit.Red));
            cb.preserveAspect = true;
            chestBadge = UiKit.Title(UiKit.FillLabel(cb.transform, "", 24, UiKit.White), true);
            SideButton(body, 890f, 438f, "lobby_event", "이벤트", true, () => Root.ComingSoon("이벤트"));

            // 전장 자리 · 출전 편성 5인
            var ground = UiKit.Fill("Field", body, 24f, 24f, 140f, 520f);
            if (art == null) UiKit.Paint(ground, new Color(0.47f, 0.52f, 0.36f));
            var shadow = UiKit.Box("Shadow", ground, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(0f, 70f), new Vector2(940f, 150f), new Color(0.2f, 0.18f, 0.14f, 0.55f), false);
            shadow.sprite = UiKit.Circle;
            shadow.type = Image.Type.Simple;
            field = UiKit.Fill("Lineup", ground, 20f, 20f, 40f, 40f);

            // 아래 버튼 행(절대 1500~1740) = 편성 원 · 출정 3층 · 연무장 원
            RoundButton(body, 160f, "btn_formation", "편성", () => Root.Show(Root.Formation));
            RoundButton(body, 920f, "btn_arena", "연무장", () =>
            {
                Root.Arena.SetPage(0);
                Root.Show(Root.Arena); // 연무장(PD #1093 C)
            });
            var so = At(body, "Sortie", 310f, 1290f, 460f, 160f);
            var soImg = UiKit.Skin(so, "tapered1", UiKit.Red, true);
            so.gameObject.AddComponent<Button>().onClick.AddListener(() => Root.OpenWorldMap());
            var gl = UiKit.Rect("Gloss", so, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -10f), new Vector2(400f, 70f));
            UiKit.Skin(gl, "tapered2", new Color(1f, 1f, 1f, 0.3f)).enabled = UISkin.Has("tapered2");
            UiKit.Icon(so, "tapered3", new Vector2(0f, 1f), new Vector2(0.5f, 0.5f), new Vector2(60f, -26f), 24f);
            UiKit.Title(UiKit.Label(so, "출정", 64, UiKit.White, TextAnchor.MiddleCenter, new Vector2(0.5f, 0.5f), new Vector2(0.5f, 0.5f), new Vector2(0f, 18f), new Vector2(440f, 90f)), true);
            var chip = UiKit.Skin(UiKit.Rect("Chip", so, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(0f, 14f), new Vector2(300f, 44f)), "chip", UiKit.Col("chip_dark", UiKit.Dark));
            sortieSub = UiKit.Title(UiKit.FillLabel(chip.transform, "", 26, UiKit.White), true);
        }

        /// <summary>측면 버튼(팩 Button_Round03_Dark 166×150 · 아이콘 96 · 라벨 28 · 잠금 = 흐림 + 자물쇠).</summary>
        Transform SideButton(RectTransform body, float x, float y, string icon, string label, bool locked, System.Action onClick)
        {
            var b = At(body, "Side_" + label, x, y, 166f, 150f);
            UiKit.Skin(b, "btn_round03", UiKit.White, true);
            b.gameObject.AddComponent<Button>().onClick.AddListener(() => onClick());
            var ic = UiKit.Icon(b, icon, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -10f), 92f);
            if (ic != null)
            {
                UiKit.DropShadow(ic, 3f);
                if (locked) ic.color = UiKit.Col("tab_locked", UiKit.InkSoft);
            }
            UiKit.Title(UiKit.Label(b, label, 28, locked ? UiKit.InkSoft : UiKit.White, TextAnchor.MiddleCenter, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(0f, 4f), new Vector2(160f, 40f)), true);
            if (locked) UiKit.Icon(b, "lock_s", new Vector2(1f, 1f), new Vector2(0.5f, 0.5f), new Vector2(-24f, -28f), 40f);
            return b;
        }

        /// <summary>원형 버튼(팩 Button_Circle122 124 · 진남 틴트 · 아이콘 72 · 라벨 30 아래).</summary>
        void RoundButton(RectTransform body, float cx, string icon, string label, System.Action onClick)
        {
            var b = At(body, "Round_" + label, cx - 62f, 1290f, 124f, 124f);
            var img = UiKit.Skin(b, "circle122", UiKit.Col("menu_btn", UiKit.Dark), true);
            img.preserveAspect = true;
            b.gameObject.AddComponent<Button>().onClick.AddListener(() => onClick());
            UiKit.DropShadow(UiKit.Icon(b, icon, new Vector2(0.5f, 0.5f), new Vector2(0.5f, 0.5f), new Vector2(0f, 4f), 76f), 3f);
            UiKit.Title(UiKit.Label(body, label, 30, UiKit.White, TextAnchor.MiddleCenter, new Vector2(0f, 1f), new Vector2(0.5f, 1f), new Vector2(cx, -1420f), new Vector2(200f, 44f)), true);
        }

        public override void Refresh()
        {
            var map = Root.Map;
            var cfg = Root.Battle.Config;
            float pct = 0f;
            if (map != null && map.HasData)
            {
                int ch = Root.CurrentChapter();
                int nodes = map.NodesIn(ch);
                int done = WorldProgress.Cleared(ch);
                int node = Mathf.Min(done, Mathf.Max(0, nodes - 1));
                int si = map.StageIndexOf(ch, node);
                var def = cfg.chapters[ch];
                progress.text = "제" + def.no + "장 " + def.title;
                progressNum.text = Mathf.Min(done, nodes) + "/" + nodes;
                pct = nodes > 0 ? Mathf.Clamp01(done / (float)nodes) : 0f;
                sortieSub.text = si >= 0 ? "챕터 " + def.no + " · " + def.no + "-" + cfg.stages[si].stage : "챕터 " + def.no;
            }
            else
            {
                progress.text = "—";
                progressNum.text = "";
                sortieSub.text = "챕터 월드맵";
            }
            progressFill.sizeDelta = new Vector2(232f * pct, progressFill.sizeDelta.y);
            progressFill.gameObject.SetActive(pct > 0.01f);
            int chests = 0;
            foreach (var c in S.Db.Chests.chests) chests += TreasureRules.ChestCount(S.Save, c.id);
            chestBadge.text = chests.ToString();
            chestBadge.transform.parent.gameObject.SetActive(chests > 0);

            UiKit.Clear(field);
            var lineup = S.BuildLineup();
            int n = Mathf.Max(1, lineup.Count);
            float w = Mathf.Min(200f, 980f / n);
            for (int i = 0; i < lineup.Count; i++)
            {
                var h = S.Def(lineup[i].id);
                float x = (i - (n - 1) / 2f) * w;
                // 크기 표 기준으로 발 맞춰 세움(PD 2026-11-10 「로비 관우만 작게 보임」 = 칸에 그림 틀을 맞추면 틀이 넓은 관우만 작아짐) · 일러 없으면 초상
                if (UiKit.UnitStand("Hero" + i, field, h, new Vector2(0.5f, 0f), new Vector2(x, 20f), LobbyUnitPx, cfg.mountedArtMaxTop) == null)
                    UiKit.Portrait("Hero" + i, field, h, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(x, 20f), new Vector2(w, 340f), false, 1f, Color.clear);
            }
        }
    }
}