using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.UI;

public class GSAbilities : MonoBehaviour
{
    [Header("Ability 1")]
    public Image abilityImage1;
    public TextMeshProUGUI abilityText1;
    public float ability1Cooldown = 5;

    [Header("Ability 2")]
    public Image abilityImage2;
    public TextMeshProUGUI abilityText2;
    public float ability2Cooldown = 7;

    [Header("Ability 3")]
    public Image abilityImage3;
    public TextMeshProUGUI abilityText3;
    public float ability3Cooldown = 10;

    private bool isAbility1Cooldown = false;
    private bool isAbility2Cooldown = false;
    private bool isAbility3Cooldown = false;

    private float currentAbility1Cooldown;
    private float currentAbility2Cooldown;
    private float currentAbility3Cooldown;

    // Start is called before the first frame update
    void Start()
    {
        abilityImage1.fillAmount = 0;
        abilityImage2.fillAmount = 0;
        abilityImage3.fillAmount = 0;

        abilityText1.text = "";
        abilityText2.text = "";
        abilityText3.text = "";
    }

    // Update is called once per frame
    void Update()
    {
        AbilityCooldown(ref currentAbility1Cooldown, ability1Cooldown, ref isAbility1Cooldown, abilityImage1, abilityText1);
        AbilityCooldown(ref currentAbility2Cooldown, ability2Cooldown, ref isAbility2Cooldown, abilityImage2, abilityText2);
        AbilityCooldown(ref currentAbility3Cooldown, ability3Cooldown, ref isAbility3Cooldown, abilityImage3, abilityText3);
    }

    public void Ability1()
    {
        if(!isAbility1Cooldown)
        {   
            isAbility1Cooldown = true;
            currentAbility1Cooldown = ability1Cooldown;
        }
    }

    public void Ability2()
    {
        if (!isAbility2Cooldown)
        {
            isAbility2Cooldown = true;
            currentAbility2Cooldown = ability2Cooldown;
        }
    }

    public void Ability3()
    {
        if (!isAbility3Cooldown)
        {
            isAbility3Cooldown = true;
            currentAbility3Cooldown = ability3Cooldown;
        }
    }

    private void AbilityCooldown(ref float currentCooldown, float maxCooldown, ref bool isCooldown, Image skillImage, TextMeshProUGUI skillText)
    {
        if (isCooldown)
        {
            currentCooldown -= Time.deltaTime;

            if(currentCooldown <= 0f)
            {
                isCooldown = false;
                currentCooldown = 0f;

                if(skillImage != null)
                {
                    skillImage.fillAmount = 0f;
                }
                if(skillText != null)
                {
                    skillText.text = "";
                }
            }
            else
            {
                if(skillImage != null)
                {
                    skillImage.fillAmount = currentCooldown / maxCooldown;
                }
                if(skillText != null)
                {
                    skillText.text = Mathf.Ceil(currentCooldown).ToString();
                }
            }
        }
    }
}