using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;

namespace TKS.OutGame
{
    /// <summary>
    /// 아웃게임 화면 검증 캡처(에디터 DataImporter.CaptureOutGame 이 SessionState 로 출력 폴더를 넘기면 생성 · 세이브 = 메모리 전용 신규 유저).
    /// 로비 → 영웅 목록 → 영웅 상세(캡처용 장비 지급·장착) → 편성 → 뽑기 → 첫 10연(무료) 결과 → 상점 → 월드맵 팝업 → 전투(적 전원 처치) 결과 → 재방문 팝업.
    /// </summary>
    public class OutGameCaptureDriver : MonoBehaviour
    {
        public const string DirKey = "TKS_OUTGAME_CAPTURE_DIR";
        public string OutputDir;
        public int Width = 720;
        public int Height = 1280;

        readonly List<string> log = new List<string>();
        int shot = 1;

#if UNITY_EDITOR
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterSceneLoad)]
        static void AutoSpawn()
        {
            string dir = UnityEditor.SessionState.GetString(DirKey, "");
            if (string.IsNullOrEmpty(dir)) return;
            UnityEditor.SessionState.EraseString(DirKey);
            var d = new GameObject("OutGameCaptureDriver").AddComponent<OutGameCaptureDriver>();
            d.OutputDir = dir;
        }
#endif

        IEnumerator Start()
        {
            Directory.CreateDirectory(OutputDir);
            yield return null;
            yield return null;
            var root = OutGameRoot.Instance;
            var cam = Camera.main;
            if (root == null || cam == null)
            {
                Log("FAIL: OutGameRoot 또는 카메라 없음");
                Finish(1);
                yield break;
            }
            var s = root.Session;
            Log("memoryOnly=" + SaveStore.MemoryOnly + " newUser=" + s.IsNewUser + " gold=" + s.Save.gold + " gem=" + s.Save.gem + " stamina=" + s.Save.stamina +
                " heroes=" + s.Save.heroes.Count + " preset=" + string.Join(",", s.Save.ActivePreset.slots.ToArray()));
            yield return Wait();
            yield return Shot(cam, "lobby");

            root.Show(root.HeroList);
            yield return Wait();
            yield return Shot(cam, "hero_list");

            // 영웅 상세: 두 번째 시작 영웅 · 캡처용 장비 지급(요구 장비 4칸분) → 3칸 장착 · 1칸 = 가방 보유 표시
            var id = s.Db.Economy.StartHeroes.Length > 1 ? s.Db.Economy.StartHeroes[1] : s.Db.Economy.StartHeroes[0];
            var h = s.Def(id);
            var hs = s.Save.Hero(id);
            for (int i = 0; i < 4; i++) s.Save.inv.AddGear(HeroRules.RequiredGear(s.Db, h, hs, i), 1);
            for (int i = 0; i < 3; i++) Log("equip slot " + i + " → " + (s.Equip(id, i) ?? "ok"));
            HeroRules.GrantExp(hs, s.Db.Levels.Get(1).expToNext + 5);
            s.Commit();
            root.ShowHero(id);
            yield return Wait();
            yield return Shot(cam, "hero_detail_" + id);

            root.Show(root.Formation);
            yield return Wait();
            yield return Shot(cam, "formation");

            root.Show(root.Trade);
            root.Trade.SetPage(0);
            yield return Wait();
            yield return Shot(cam, "gacha");
            root.Trade.DoDraw(s.Db.Gacha.TenCount);
            yield return new WaitForSecondsRealtime(0.5f);
            Log("gacha revealed(0.5s)=" + root.Trade.RevealedCount);
            root.Trade.RevealAll();
            yield return Wait();
            var pulls = root.Trade.LastPulls;
            var names = new List<string>();
            if (pulls != null)
                foreach (var p in pulls) names.Add(p.heroId + "★" + p.tier + (p.isNew ? "N" : p.shards > 0 ? "+" + p.shards : "+g" + p.gold));
            Log("gacha 10 = " + string.Join(" ", names.ToArray()) + " · pity=" + s.Save.gacha.pity + " gem=" + s.Save.gem + " firstTenUsed=" + s.Save.gacha.firstTenUsed);
            yield return Shot(cam, "gacha_result");
            root.Trade.CloseResult();
            root.Trade.SetPage(2);
            yield return Wait();
            yield return Shot(cam, "shop");

            root.ShowLobby();
            root.OpenWorldMap();
            yield return Wait();
            var wm = root.Map;
            wm.OpenPopup(0);
            yield return Wait();
            yield return Shot(cam, "worldmap_popup");
            int st0 = s.Save.stamina;
            wm.ConfirmPopup();
            var bm = root.Battle;
            float t0 = Time.realtimeSinceStartup;
            while (bm.Phase != BattlePhase.PlayerTurn && Time.realtimeSinceStartup - t0 < 10f) yield return null;
            Log("battle players=" + bm.AliveCount(Faction.Player) + " enemies=" + bm.AliveCount(Faction.Enemy) + " stamina " + st0 + "→" + s.Save.stamina);
            foreach (var u in bm.Units)
                if (u != null && u.Faction == Faction.Player) Log("  " + u.DisplayName + " " + u.Type + " hp" + u.MaxHp + " atk" + u.Atk + " def" + u.Def + " @" + u.Position);
            yield return new WaitForSecondsRealtime(0.6f);
            yield return Shot(cam, "battle_start");
            foreach (var e in bm.AliveUnits(Faction.Enemy)) e.TakeDamage(e.Hp); // 결과 화면 확인용(적 전원 처치)
            bm.CheckBattleEnd();
            yield return new WaitForSecondsRealtime(0.6f);
            var r = s.LastReward;
            Log("result phase=" + bm.Phase + " stars=" + (r != null ? r.stars : -1) + " gold+" + (r != null ? r.gold : 0) + " exp+" + (r != null ? r.exp : 0) + " gem+" + (r != null ? r.gem : 0) + " gear=" + (r != null ? r.gearId : ""));
            yield return Shot(cam, "battle_result");
            bm.ContinueAfterResult();
            yield return Wait();
            wm.OpenPopup(0);
            yield return Wait();
            yield return Shot(cam, "worldmap_revisit");
            Finish(0);
        }

        static IEnumerator Wait()
        {
            yield return null;
            yield return new WaitForSecondsRealtime(0.3f);
        }

        IEnumerator Shot(Camera cam, string name)
        {
            string file = Path.Combine(OutputDir, shot.ToString("00") + "_" + name + ".png");
            shot++;
            yield return CaptureUtil.Capture(cam, Width, Height, file);
            Log("shot " + file);
        }

        void Log(string s)
        {
            log.Add(s);
            Debug.Log("[OutGameCapture] " + s);
            try
            {
                File.WriteAllLines(Path.Combine(OutputDir, "capture_log.txt"), log.ToArray());
            }
            catch
            {
            }
        }

        void Finish(int code)
        {
            Log("finish code=" + code);
#if UNITY_EDITOR
            UnityEditor.EditorApplication.Exit(code);
#else
            Application.Quit(code);
#endif
        }
    }
}