using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerSkillHandler: MonoBehaviour
{
    [Header("Dash stats")]
    [SerializeField] private float dashCooldown;

    [SerializeField] private float dashSpeed;
    [SerializeField] private float dashDuration;
    private bool isDashing = false;

    private Dictionary<PlayerSkillTree.Skills, float> cooldowns;
    private Dictionary<PlayerSkillTree.Skills, float> cooldownsActivated;

    public bool IsDashing() { return isDashing; }

    public void Start()
    {

        cooldowns = new Dictionary<PlayerSkillTree.Skills, float>();
        cooldownsActivated = new Dictionary<PlayerSkillTree.Skills, float>();
        AssignCooldowns();
    }

    public IEnumerator DashCoroutine(CharacterController controller, Vector3 direction)
    {
        Physics.IgnoreLayerCollision(6, 7, true); // disable collisions between player and enemies
        float startTime = Time.time;
        isDashing = true; // just for now. maybe will be removed
        while (Time.time - startTime < dashDuration)
        {
            controller.Move(dashSpeed * Time.deltaTime * direction);
            yield return null; // wait one frame
        }
        handleCooldownTimer(PlayerSkillTree.Skills.Dash);
        isDashing = false; // just for now. maybe will be removed
        Physics.IgnoreLayerCollision(6, 7, false); // enable collisions between player and enemies
    }

    private void handleCooldownTimer(PlayerSkillTree.Skills skill)
    {
        if(!cooldownsActivated.ContainsKey(skill))
        {
            cooldownsActivated.Add(skill, Time.time);
        }
        else
        {
            cooldownsActivated[skill] = Time.time;
        }
            
    }

    private void AssignCooldowns()
    {
        // handle Dash stats
        cooldowns.Add(PlayerSkillTree.Skills.Dash, dashCooldown);
        cooldownsActivated.Add(PlayerSkillTree.Skills.Dash, Time.time - dashCooldown);
    }

    public bool IsOnCooldown(PlayerSkillTree.Skills skill) 
    {
        Debug.Log("cooldown time: " + (Time.time - cooldownsActivated[skill]));
        Debug.Log("skill cooldown: " + cooldowns[skill]);
        return !cooldowns.ContainsKey(skill) || !cooldownsActivated.ContainsKey(skill)
            ? false
            : Time.time - cooldownsActivated[skill] < cooldowns[skill];
    }
}