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

namespace TKS.OutGame
{
    /// <summary>
    /// UI 리뉴얼 검증 캡처(PD #1100 · 에디터 DataImporter.CaptureUI 가 SessionState 로 출력 폴더를 넘기면 생성 · 세이브 = 메모리 전용 신규 유저).
    /// 1080×1920 = 로비 · 영웅 목록 · 영웅 상세 · 편성 · 거래 · 보물 · 내정 · 연무장 · 월드맵 팝업 · 전투 HUD · 전투 결과 · 팝업 + 1536×2048 = 로비 · 영웅 상세(겹침 확인) · 끝나면 스스로 종료.
    /// </summary>
    public class UICaptureDriver : MonoBehaviour
    {
        public const string DirKey = "TKS_UI_CAPTURE_DIR";
        public string OutputDir;
        const int W = 1080, H = 1920, W2 = 1536, H2 = 2048;

        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("UICaptureDriver").AddComponent<UICaptureDriver>();
            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;
            var db = s.Db;
            var d = s.Save;
            Log("theme=" + (UITheme.Current != null) + " titleFont=" + (UISkin.TitleFont != null ? UISkin.TitleFont.name : "-") + " memoryOnly=" + SaveStore.MemoryOnly);

            // 캡처용 진행(메모리 세이브만): 재화 · 장비 · 보물 · 상자 · 순찰
            d.gold = 124500;
            d.gem = 1280;
            var id = db.Economy.StartHeroes.Length > 1 ? db.Economy.StartHeroes[1] : db.Economy.StartHeroes[0];
            var h = s.Def(id);
            var hs = s.Save.Hero(id);
            for (int i = 0; i < 4; i++) d.inv.AddGear(HeroRules.RequiredGear(db, h, hs, i), 1);
            for (int i = 0; i < 3; i++) s.Equip(id, i);
            HeroRules.GrantExp(hs, db.Levels.Get(1).expToNext + 5);
            var rng = new System.Random(1100);
            Counts.Set(d.inv.chests, "gold", 6);
            for (int i = 0; i < 6; i++) TreasureRules.Open(db, d, "gold", rng);
            Counts.Set(d.inv.chests, "bronze", 4);
            Counts.Set(d.inv.chests, "silver", 18);
            Counts.Set(d.inv.chests, "general", 1);
            d.inv.chestPoints = 35;
            d.patrol.startAt = SaveStore.Iso(s.Now.AddHours(-7));
            s.Commit();

            root.ShowLobby();
            yield return Shot(cam, "lobby", W, H);
            root.Show(root.HeroList);
            yield return Shot(cam, "hero_list", W, H);
            root.ShowHero(id);
            yield return Shot(cam, "hero_detail", W, H);
            root.Show(root.Formation);
            yield return Shot(cam, "formation", W, H);
            root.Show(root.Trade);
            root.Trade.SetPage(0);
            yield return Shot(cam, "trade_gacha", W, H);
            root.Show(root.Treasures);
            root.Treasures.SetPage(2);
            root.Treasures.SelectChest("gold");
            yield return Shot(cam, "treasure_chests", W, H);
            root.Treasures.SetPage(0);
            yield return Shot(cam, "treasure_owned", W, H);
            root.Show(root.Domestic);
            root.Domestic.SetTrainType(UnitType.Infantry);
            root.Domestic.SetPage(1);
            yield return Shot(cam, "domestic_patrol", W, H);
            root.Arena.SetPage(0);
            root.Show(root.Arena);
            yield return Shot(cam, "arena", W, H);
            root.StaminaModal();
            yield return Shot(cam, "popup_stamina", W, H);
            root.CloseModal();

            root.ShowLobby();
            root.ShowHero(id);
            yield return Shot(cam, "hero_detail_1536x2048", W2, H2);
            root.ShowLobby();
            yield return Shot(cam, "lobby_1536x2048", W2, H2);

            root.OpenWorldMap();
            yield return Wait();
            var wm = root.Map;
            wm.OpenPopup(0);
            yield return Shot(cam, "worldmap_popup", W, H);
            wm.ConfirmPopup();
            var bm = root.Battle;
            float t0 = Time.realtimeSinceStartup;
            while (bm.Phase != BattlePhase.PlayerTurn && Time.realtimeSinceStartup - t0 < 10f) yield return null;
            yield return new WaitForSecondsRealtime(0.6f);
            Unit pick = null;
            foreach (var u in bm.AliveUnits(Faction.Player))
                if (bm.Skills != null && bm.Skills.Of(u) != null && bm.Skills.Of(u).Active != null)
                {
                    pick = u;
                    break;
                }
            if (pick != null) bm.Sling.Select(pick);
            Log("hud select=" + (pick != null ? pick.DisplayName : "-") + " skill=" + bm.Hud.SkillButtonText);
            yield return Shot(cam, "battle_hud", W, H);
            foreach (var e in bm.AliveUnits(Faction.Enemy)) e.TakeDamage(e.Hp);
            bm.CheckBattleEnd();
            yield return new WaitForSecondsRealtime(0.6f);
            yield return Shot(cam, "battle_result", W, H);
            Finish(0);
        }

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

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

        void Log(string s)
        {
            log.Add(s);
            Debug.Log("[UICapture] " + 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
        }
    }
}