using System.Text;
using UnityEngine;
using UnityEngine.UI;

namespace TKS.OutGame
{
    /// <summary>
    /// 전투 결과 패널(기획서 §6) — 별 3(클리어 · 전원 생존 · n턴 이내) · 골드 · 경험(출전 전원) · 보옥(첫 클리어 · 보스) · 장비 드랍.
    /// 전투 HUD 의 승리/패배 판(sortingOrder 100) 위에 덮는다 · 탭 처리는 기존 그대로(SlingshotInput → 월드맵 복귀).
    /// </summary>
    public class BattleResultPanel
    {
        readonly OutGameRoot root;
        readonly GameObject go;
        readonly Text title;
        readonly Text stars;
        readonly Text conds;
        readonly Text rewards;

        public bool Visible
        {
            get { return go.activeSelf; }
        }

        public string RewardsText
        {
            get { return rewards.text; }
        }

        public BattleResultPanel(OutGameRoot r, RectTransform canvas)
        {
            root = r;
            var dim = UiKit.Fill("Result", canvas);
            UiKit.Paint(dim, new Color(0f, 0f, 0f, 0.55f), false);
            go = dim.gameObject;
            var panel = UiKit.Box("Panel", dim, new Vector2(0.5f, 0.5f), new Vector2(0.5f, 0.5f), new Vector2(0f, 40f), new Vector2(920f, 1180f), UiKit.Paper);
            UiKit.Border(panel, UiKit.Line, 4f);
            var head = UiKit.TopBand("Head", panel.transform, 0f, 170f);
            UiKit.Paint(head, UiKit.Dark);
            title = UiKit.FillLabel(head, "", 96, UiKit.White);
            stars = UiKit.Label(panel.transform, "", 120, UiKit.Star, TextAnchor.MiddleCenter, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -190f), new Vector2(800f, 150f));
            conds = UiKit.Label(panel.transform, "", 34, UiKit.Ink, TextAnchor.UpperLeft, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -350f), new Vector2(760f, 180f), false);
            conds.lineSpacing = 1.15f;
            var line = UiKit.Box("Line", panel.transform, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -540f), new Vector2(800f, 4f), UiKit.Slot, false);
            line.raycastTarget = false;
            rewards = UiKit.Label(panel.transform, "", 38, UiKit.Ink, TextAnchor.UpperLeft, new Vector2(0.5f, 1f), new Vector2(0.5f, 1f), new Vector2(0f, -566f), new Vector2(760f, 460f), false);
            rewards.lineSpacing = 1.15f;
            UiKit.Label(panel.transform, "화면을 탭하면 월드맵으로", 34, UiKit.InkSoft, TextAnchor.MiddleCenter, new Vector2(0.5f, 0f), new Vector2(0.5f, 0f), new Vector2(0f, 36f), new Vector2(800f, 60f), false);
            go.SetActive(false);
        }

        public void SetVisible(bool on)
        {
            if (go.activeSelf != on) go.SetActive(on);
        }

        public void Fill(StageReward r)
        {
            var s = root.Session;
            title.text = (r.win ? "승리" : "패배") + "  <size=44>" + r.chapter + "-" + r.stage + (r.boss ? " 보스" : "") + "</size>";
            stars.text = r.win ? UiKit.Stars(r.stars, 3) : UiKit.Stars(0, 3);
            if (r.win)
            {
                conds.text = Mark(r.conds[0]) + " 클리어\n" +
                             Mark(r.conds[1]) + " 아군 전원 생존\n" +
                             Mark(r.conds[2]) + " " + r.starTurns + "턴 이내 클리어 (" + r.turns + "턴)";
                rewards.text = RewardText(s, r);
            }
            else
            {
                conds.text = "아군이 전멸했습니다\n군량 " + r.stamina + " 소모 · 별 없음";
                rewards.text = "보상 없음\n<size=32>영웅 레벨업 · 승급 · 편성을 바꿔 다시 도전</size>";
            }
        }

        static string Mark(bool ok)
        {
            return ok ? "<color=#3a6a30>○</color>" : "<color=#a03a22>×</color>";
        }

        /// <summary>보상 줄(결과 화면 · 소탕 팝업 공용).</summary>
        public static string RewardText(OutGameSession s, StageReward r)
        {
            var e = s.Db.Economy;
            var sb = new StringBuilder();
            sb.Append("골드 +").Append(r.gold.ToString("N0")).Append(r.first ? "  <size=28>(첫 클리어)</size>" : "  <size=28>(반복 ×" + e.RepeatRewardMult + ")</size>");
            sb.Append("\n경험 +").Append(r.exp).Append("  <size=28>출전 ").Append(r.expTo.Count).Append("명</size>");
            if (r.gem > 0) sb.Append("\n보옥 +").Append(r.gem).Append(r.boss ? "  <size=28>(첫 클리어 + 보스)</size>" : "  <size=28>(첫 클리어)</size>");
            if (!string.IsNullOrEmpty(r.gearId))
            {
                var g = s.Db.Gear.Get(r.gearId);
                sb.Append("\n장비 ").Append(g != null ? g.nameKo + " (" + UiKit.GradeKo(g.grade) + ")" : r.gearId).Append(" 획득");
            }
            else sb.Append("\n<size=30>장비 드랍 없음</size>");
            if (r.sweep) sb.Append("\n<size=30>군량 ").Append(r.stamina).Append(" 소모 · 소탕(전투 없음)</size>");
            var ready = new StringBuilder();
            foreach (var id in r.expTo)
            {
                var lv = s.Save.Level(id);
                if (HeroRules.CanLevelUp(s.Db, s.Save, lv) != null) continue;
                if (ready.Length > 0) ready.Append(" · ");
                ready.Append(s.Def(id).nameKo);
            }
            if (ready.Length > 0) sb.Append("\n<color=#a03a22><size=30>레벨업 가능: ").Append(ready).Append("</size></color>");
            return sb.ToString();
        }
    }
}