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

public class WaveObserver : Singleton<WaveObserver>
{
    private List<SpawnerTile> _subjects = new List<SpawnerTile>();
    private LevelConfig _levelConfig;
    public LevelConfig LevelConfig { set { _levelConfig = value; } }
    private float[] _delay = {0,1,2,3,4,5};
    private float _currentToughness = 0;
    private int _gameProgress = 0;
    private int _maxSync = 6;
    
    public void Attach(SpawnerTile spawnerSubject)
    {
        spawnerSubject.Prefab = _levelConfig.GetRandomSpawn().GetEnemyObject();
        WaveUpdate(spawnerSubject);
        _subjects.Add(spawnerSubject);
    }

    public void NotifySpawned(SpawnerTile spawnerSubject)
    {
        if (spawnerSubject.Prefab.Equals(_levelConfig.ConstantSpawn[0].GetEnemyObject()))
        {
            int currentCount = _levelConfig.ConstantSpawn[0].Count;
            if (currentCount == 0)
            {
                foreach (SpawnerTile spawner in _subjects)
                {
                    if (spawner.Prefab.Equals(spawnerSubject.Prefab))
                    {
                        //spawner.SpawnSpeed = 0.0f;
                    }
                }
            }
        }
    }

    public void WaveUpdate(SpawnerTile spawnerSubject)
    {
        //Lottery of order. Reducing maxSync increases the chances team spawning
        int spawningOrder = Random.Range(1, _maxSync);
        Debug.Log("Je suis " + spawningOrder + "e de la liste.");
        switch (spawningOrder)
        {
            case 1:
                spawnerSubject.SpawnSpeed = _levelConfig.GameDuration + _levelConfig.GameDuration * _delay[0];
                break;
            case 2:
                spawnerSubject.SpawnSpeed = _levelConfig.GameDuration + _levelConfig.GameDuration * _delay[1];
                break;
            case 3:
                spawnerSubject.SpawnSpeed = _levelConfig.GameDuration + _levelConfig.GameDuration * _delay[2];
                break;
            case 4:
                spawnerSubject.SpawnSpeed = _levelConfig.GameDuration + _levelConfig.GameDuration * _delay[3];
                break;
            case 5:
                spawnerSubject.SpawnSpeed = _levelConfig.GameDuration + _levelConfig.GameDuration * _delay[4];
                break;
            case 6:
                spawnerSubject.SpawnSpeed = _levelConfig.GameDuration + _levelConfig.GameDuration * _delay[5];
                break;
        }
        _gameProgress++;

        if(_gameProgress == _maxSync)
        {
            _maxSync--;
            _gameProgress = 0;
        }
    }
}