using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Unity.VisualScripting;
using UnityEngine;

public class NewBehaviourScript : MonoBehaviour
{
    // Shared
    public int Wave = 0;
    public float difficulty = 0;

    // Inspector
    [SerializeField] private float difficultyIncreasePerWave = 0.1f;
    [SerializeField] private float WaveTime;
    [SerializeField] private EnemyList enemyList;

    // Private
    private bool nextWaveRequested = false;
    private float timer = 0f;

    public void StartSpawning() => StartCoroutine(SpawnLoop());
    public void StartNextWave() => nextWaveRequested = true;

    private IEnumerator SpawnLoop()
    {
        while (true)
        {
            yield return new WaitUntil(() => timer > WaveTime || nextWaveRequested);

            SpawnWave(difficulty);

            Wave++;
            difficulty *= difficultyIncreasePerWave + 1;
        }

    }

    void SpawnWave(float difficulty)
    {
        var decendingList = enemyList.List.OrderByDescending(x => x.Difficulty).ToArray();
        for (int i = 0; i < decendingList.Length; i++)
        {
            while (difficulty > decendingList[i].Difficulty)
            {
                Instantiate(decendingList[i].prefab);
                difficulty -= decendingList[i].Difficulty;
            }
        }
    }
}