using System.Collections;
using System.Threading.Tasks;
using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Character;
using Gameplay.Common;

namespace Gameplay.Level
{
    public partial class Level
    {
        private void RegisterAllEvent()
        {
            EventManager.Instance.Register<GameUnit>(EventManager.EventName.INFIGHT_UNIT_DEAD, _OnUnitDead);
            EventManager.Instance.Register<GameUnit>(EventManager.EventName.INFIGHT_UNIT_REMOVE, _OnUnitRemove);
            EventManager.Instance.Register<GameUnit>(EventManager.EventName.LevelUnitBorn, _OnUnitBorn);
        }
        
        private void UnRegisterAllEvent()
        {
            EventManager.Instance.Unregister<GameUnit>(EventManager.EventName.LevelUnitBorn, _OnUnitBorn);
            EventManager.Instance.Unregister<GameUnit>(EventManager.EventName.INFIGHT_UNIT_REMOVE, _OnUnitRemove);
            EventManager.Instance.Unregister<GameUnit>(EventManager.EventName.INFIGHT_UNIT_DEAD, _OnUnitDead);
        }

        private void _OnUnitDead(GameUnit unit)
        {
            var level = LevelManager.Instance.CurrentLevel;
            if (level == null) return;
            if (level.selectUnit == unit)
            {
                level.UnSelectUnit();
            }
        }

        private void _OnUnitRemove(GameUnit unit)
        {
            switch (unit.gameunitType)
            {
                case EGameUnitType.Character:
                    OnCharacterDeadRemove(unit as Character.Character);
                    break;
            }
        }
        
        private void OnCharacterDeadRemove(Character.Character character)
        {
            StarGoalOnCharacterDeadRemove(character);
        }

        private void _OnUnitBorn(GameUnit unit)
        {
            if (unit.gameunitType == EGameUnitType.Character)
            {
                OnCharacterBorn(unit as Character.Character);
            }
        }

        private void OnCharacterBorn(Character.Character character)
        {
            StarGoalOnCharacterBorn(character);
        }
    }
}