using System;
using System.Collections.Generic;
using System.Linq;
using Unity.Mathematics;
using UnityEngine;
using Random = UnityEngine.Random;

public class YoumuDeflect : Ability
{
	private List<Projectile> projectilesInRange = new();
	public float deflectionAngleMin = -48;
	public float deflectionAngleMax = 90;

	[Header("SlashCharge")]
	[SerializeField] private float mouseHoldTime;
	private float currentMouseHoldTime;
	private float currentChargeTime;
	private bool isCharging;
	[SerializeField] private float maxChargeTime;
	[SerializeField] private float chargeCooldown;
	private float currentChargeCooldown;
	private float currentUnleashedChargeTime;
	[Header("Effects")]
	[SerializeField] private ParticleSystem deflectionParticles;
	[SerializeField] private GameObject swordSweepEffect;
	[SerializeField] private GameObject chargeSweepEffect;
	private float currentDissipationTime = 0f;
	[SerializeField] private float dissipationTime;
	

	protected override void AbilityEffects()
	{
		base.AbilityEffects();
		if (currentChargeCooldown > 0)
		{
			RegularDeflection();
		}
		else
		{
			currentMouseHoldTime = mouseHoldTime;
			currentChargeTime = 0;
		}
	}

	private void RegularDeflection()
	{
		//Debug.Log("Regular Deflection");
		swordSweepEffect.gameObject.SetActive(true);
		currentDissipationTime = dissipationTime;
		DeflectProjectiles();
	}

	private void DeflectProjectiles()
	{
		foreach (Projectile projectile in projectilesInRange.ToList())
		{
			if (!projectile)
			{
				projectilesInRange.Remove(projectile);
				continue;
			}
			projectile.transform.eulerAngles = new Vector3(0, 0, Random.Range(deflectionAngleMin, deflectionAngleMax));
			projectile.direction = projectile.transform.right;
			projectile.tag = tag;
			ParticleSystem newParticles = Instantiate(deflectionParticles, projectile.transform);
			projectilesInRange.Remove(projectile);
		}
	}
	

	private void OnTriggerEnter2D(Collider2D other)
	{
		if (!other.CompareTag(tag) && other.TryGetComponent(out Projectile isProjectile))
		{
			projectilesInRange.Add(isProjectile);
		}
	}

	private void OnTriggerExit2D(Collider2D other)
	{
		if (!other.CompareTag(tag) && other.TryGetComponent(out Projectile isProjectile) && projectilesInRange.Contains(isProjectile))
		{
			projectilesInRange.Add(isProjectile);
		}
	}

	protected override void Update()
	{
		base.Update();
		if (currentDissipationTime > 0)
		{
			currentDissipationTime -= Time.deltaTime;
			if (currentDissipationTime <= 0)
			{
				swordSweepEffect.SetActive(false);
			}
		}

		if (currentMouseHoldTime >= 0)
		{
			currentMouseHoldTime -= Time.deltaTime;
			if (currentMouseHoldTime <= 0 && Input.GetMouseButton(1) && currentChargeTime <= 0)
			{
				isCharging = true;
			}
			else if (Input.GetMouseButtonUp(1))
			{
				RegularDeflection();
			}
		}
		if (isCharging && Input.GetMouseButton(1)) //this code REEKS
		{
			currentChargeTime += Time.deltaTime;
		}
		else if (isCharging && Input.GetMouseButtonUp(1))
		{
			Debug.Log("here");
			chargeSweepEffect.SetActive(true);
			currentUnleashedChargeTime = Math.Clamp(currentChargeTime, 0, maxChargeTime) * 2;
			currentChargeCooldown = chargeCooldown;
			isCharging = false;
		}
		else if (currentUnleashedChargeTime > 0)
		{
			currentUnleashedChargeTime -= Time.deltaTime;
			if (currentUnleashedChargeTime < 0)
			{
				chargeSweepEffect.SetActive(false);
			}

			if (projectilesInRange.Count > 0)
			{
				DeflectProjectiles();
			}
		}

		if (currentChargeCooldown > 0)
		{
			currentChargeCooldown -= Time.deltaTime;
		}
		Debug.Log(currentChargeTime);
	}
}