using UnityEngine;

using static BattleMgr;

public class DeepCaveDungeon : GameMod
{
    [SerializeField] DeepCaveDungeonView view;

    BattleMgr battleMgr => BattleMgr.Instance;
    float modElapsedTime;

    IVCharacter player;
    Character boss;

    public DeepCaveDungeonData Data { get; private set; }
    public Character Boss => boss;
    public float ModRemainingTime => Mathf.Max(Data.LimitTime - modElapsedTime, 0f);

    protected override void OnInitialize()
    {
        if(GameModDataGroup.Instance.TryGetModData(ModID, out DeepCaveDungeonData modData))
        {
            Data = modData;
        }
            
        Debug.Assert(Data != null, Logger.LogMessage(LogType.Assert, nameof(Data), "Data is null"));
    }

    protected override void OnStartMod()
    {
        //Summon player
        player = battleMgr.GetPlayer();

        var buffMgr = BuffMgr.Instance;
        player.ResetDebuff();
        player.SetStatus(
            buffMgr.GetCharAtk(),
            buffMgr.GetCharHp(),
            buffMgr.GetCharCrtDam(),
            buffMgr.GetCharCrtRate(),
            buffMgr.GetCharMov(),
            buffMgr.GetCharSpd(),
            GameProperty.Instance.PlayerCharacterAttackRange);
        //TODO : set player position

        player.Summon();
        battleMgr.SetPetsSummonState(true);
        battleMgr.SetGudiansSummonState(true);

        battleMgr.ShowTalkBox(TalkType.Summon);

        SpawnBoss();
        modElapsedTime = 0f;

        //Set UI
        GameUIMgr.OnOffStageInfo(false);

        view?.SetDungeon(this);
        view?.Show();
    }

    protected override void OnUpdate()
    {
        if (BattleMgr.Instance.BattlePause) return;

        modElapsedTime += Time.deltaTime;

        if (modElapsedTime >= Data.LimitTime)
        {
            battleMgr.ShowTalkBox(TalkType.Die);
            FireOnDone(Result.Timeout);
        }
        else
        {
            if(boss.CurrentHp <= 0)
            {
                battleMgr.ShowTalkBox(TalkType.Attack);
                battleMgr.UnregistBattleEntities(boss);
                Data.SetLevel(Data.Level + 1);

                Data.TryGetReward((totalReward, result) =>
                {
                    if (!result) return;

                    GameUIMgr.SOpenPopupGoods(totalReward);

                    Data.EnterTicketCount--;
                    GameUIMgr.RefreshDeepCaveDungeonTicket();
                });

                FireOnDone(Result.Success);
            }
            else if(player.IsDead)
            {
                battleMgr.ShowTalkBox(TalkType.Die);
                FireOnDone(Result.Dead);
            }
        }
    }

    private void SpawnBoss()
    {
        boss = Instantiate(Data.BossData.Prefab);
        boss.SetData(Data.BossData);
        boss.AddTags(EntityTag.Enemy);
        boss.SetTargetTags(LayerMask.GetMask(GameProperty.Instance.CharacterLayerName), EntityTag.Player);
        boss.Spawn(Vector2.zero);
        boss.ChangeLookDirection(player.transform);
        boss.OnDisposed += (obj) => Destroy(boss.gameObject);
        battleMgr.RegistBattleEntities(boss);
    }

    protected override void OnEndMod()
    {
        view?.Hide();

        GameUIMgr.OnOffStageInfo(true);

        // if dragon is not dead, this is called by timeout or other reason
        if(!boss.IsDead)
        {
            battleMgr.UnregistBattleEntities(boss);
            CoroutineHandler.Instance.DelayCall(1f, boss.Dispose);
        }
    }
}