using System;
using Core.Extensions;
using UnityEngine;

public class ChargedShot : Ability
{
	[Header("Projectile Stats")]
	[SerializeField] private Projectile projectile;
	[SerializeField] private float projectileSpeed;
	[SerializeField] private float projectileLifetime;
	[SerializeField] private int pierceAmount;
	[Header("Charge")]
	private bool isCharging;
	private float currentChargeDuration;
	[SerializeField] private float maxChargeDuration;
	public float chargeModifier;

	protected override void AbilityEffects()
	{
		base.AbilityEffects();
		isCharging = true;
		thisEntity.abilitiesDisabled = true;
	}

	protected override void Update()
	{
		base.Update();
		if (isCharging)
		{
			if (Input.GetMouseButton(1))
			{
				currentChargeDuration += Time.deltaTime;
			}
			else if (Input.GetMouseButtonUp(1))
			{
				currentChargeDuration = Math.Clamp(currentChargeDuration, 0f, maxChargeDuration);
				float calculatedChargeModifier = Map(currentChargeDuration, 0f, maxChargeDuration, 0f, chargeModifier);
				isCharging = false;
				thisEntity.abilitiesDisabled = false;
				Projectile newProjectile = Instantiate(projectile, thisEntity.transform.position, projectile.transform.rotation);
				//newProjectile.owner = thisEntity;
				newProjectile.tag = thisEntity.tag;
				newProjectile.speed = projectileSpeed;
				newProjectile.damage = power * 1f + calculatedChargeModifier;
				newProjectile.lifetime = projectileLifetime;
				newProjectile.pierceAmount = pierceAmount;
				newProjectile.transform.Lookat2D(thisEntity.attackOriginPoint.position); //targetLocation);
				newProjectile.transform.localScale = new Vector3(newProjectile.transform.localScale.x * (1f + calculatedChargeModifier), newProjectile.transform.localScale.y * (1f + calculatedChargeModifier), 1f);
				currentChargeDuration = 0f;
			}
		}
	}
	public static float Map (float value, float from1, float to1, float from2, float to2) {
		return (value - from1) / (to1 - from1) * (to2 - from2) + from2;
	}
}