using System.Collections;
using System.Collections.Generic;
using Managers;
using Unity.Mathematics;
using UnityEngine;

public class CollectibleSpawner : MonoBehaviour
{
	public float SpawnSphereRadius = 1.5f;
	public float SecondsTillNextSpawn = 10;
	public int MaxSpawnedObjects = 4;
	public List<GameObject> Spawnables;

	private List<GameObject> spawnedObjects = new();
	private float secondsSinceLastSpawn = 0;
	// Start is called before the first frame update
	void SpawnRandom()
	{
		int index = UnityEngine.Random.Range(0, Spawnables.Count);
		int angle = UnityEngine.Random.Range(0, 360);
		Vector3 spawnPosition = new Vector3(math.cos(angle), math.sin(angle), 0);
		spawnPosition *= SpawnSphereRadius;
		SpawnCollectible(index, spawnPosition);
	}

	private void SpawnCollectible(int spawnableIndex, Vector3 spawnPosition)
	{
		var spawned = Instantiate(Spawnables[spawnableIndex]);
		spawned.transform.SetParent(transform);
		spawned.transform.localPosition = spawnPosition;
		spawnedObjects.Add(spawned);
		UIManager.G.OffScreenManager.AddTarget(spawned);
	}

	void Update()
	{
		for (int i = 0; i < spawnedObjects.Count; ++i)
		{
			if (!spawnedObjects[i].activeSelf)
			{
				Destroy(spawnedObjects[i]);
				spawnedObjects.RemoveAt(i);
			}
		}
		if (spawnedObjects.Count < MaxSpawnedObjects)
		{
			secondsSinceLastSpawn += Time.deltaTime;
		}
		if (secondsSinceLastSpawn > SecondsTillNextSpawn)
		{
			secondsSinceLastSpawn = 0;
			SpawnRandom();
		}
	}



}