using System;
using Core.Extensions;
using Unity.Mathematics;
using UnityEngine;

public class ReisenShoot : Ability
{
	[SerializeField] private Projectile projectile;
	[SerializeField] private Projectile chargedProjectile;
	[SerializeField] private Camera cam;
	[Header("Charge")]
	[SerializeField] private float mouseHoldTime;
	private float currentMouseHoldTime;
	private float currentChargeTime;
	private bool isCharging;
	[SerializeField] private float maxChargeTime;
	[SerializeField] private float chargeCooldown;
	private float currentChargeCooldown;
	[Header("Effects")]
	[SerializeField] private Transform chargeMeter;
	protected override void AbilityEffects()
	{
		if (currentChargeCooldown > 0)
		{
			ShootBullet(projectile, power);
		}
		else
		{
			currentMouseHoldTime = mouseHoldTime;
		}
	}

	private void ShootBullet(Projectile projectileToShoot, int damage)
	{
		WaveManager.instance.audioSource.PlayOneShot(projectileToShoot.projectileShootSFX, projectileToShoot.volume);
		direction = cam.ScreenToWorldPoint(Input.mousePosition);
		Projectile newProjectile = Instantiate(projectileToShoot, origin.position, Quaternion.identity);
		newProjectile.transform.Lookat2D(direction);
		newProjectile.damage = damage;
		newProjectile.tag = tag;
		newProjectile.playerBullet = true;
		GameManager.instance.projectilesShot++; //i shouldn't be directly modifying the variable but i don't actually care
	}

	protected override void Update()
	{
		base.Update();
		if (currentMouseHoldTime >= 0)
		{
			currentMouseHoldTime -= Time.deltaTime;
			if (currentMouseHoldTime <= 0 && Input.GetMouseButton(0) && currentChargeTime <= 0)
			{
				currentChargeTime += mouseHoldTime;
				isCharging = true;
			}
			else if (Input.GetMouseButtonUp(0))
			{
				ShootBullet(projectile, power);
			}
		}
		if (isCharging && Input.GetMouseButton(0)) //this code REEKS
		{
			currentChargeTime += Time.deltaTime;
			chargeMeter.localScale = new Vector3(Math.Clamp(currentChargeTime, 0, maxChargeTime)/maxChargeTime, 1f, 1f);
		}
		else if (currentChargeTime > 0 && isCharging && Input.GetMouseButtonUp(0))
		{
			ShootBullet(chargedProjectile, power * (int)Math.Clamp(currentChargeTime, 0, maxChargeTime));
			currentChargeTime = 0;
			chargeMeter.localScale = new Vector3(0f, 1f, 1f);
			currentChargeCooldown = chargeCooldown;
			isCharging = false;
		}

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