using System.Collections;
using UnityEngine;

public class MeleeEnemy : Enemy
{
    bool isAttacking;

    protected override void HandleState()
    {
        switch (currentState)
        {
            case EnemyState.Idle:
                if (IsPlayerInRange(attackRange))
                    TransitionState(EnemyState.MeleeAttack);
                else
                    TransitionState(EnemyState.MoveToPlayer);
                break;

            case EnemyState.MoveToPlayer:

                if (!isRunning)
                {
                    if (HasParameter(animator, "Run", AnimatorControllerParameterType.Trigger))
                    {
                        animator.SetTrigger("Run");
                    }
                    isRunning = true;
                }

                MoveToPlayer();

                if (IsPlayerInRange(attackRange))
                    TransitionState(EnemyState.MeleeAttack);
                break;

            case EnemyState.MeleeAttack:

                StopMoving();
                LookAtPlayer();

                if (!isAttacking && !IsPlayerInRange(attackRange))
                    TransitionState(EnemyState.MoveToPlayer);
                else if (!isAttacking && CanAttack() && !GameManager.instance.gameIsPaused)
                {
                    lastAttackTime = Time.time;
                    animator.SetTrigger("AttackPunch");

                    if(hitMovementTrail)
                        hitMovementTrail.SetActive(true);

                    StartCoroutine(PlayAttackSound());

                    isAttacking = true;
                }
                break;

            case EnemyState.Die:
                Die();
                break;

            default:
                isRunning = false;
                TransitionState(EnemyState.MoveToPlayer);
                break;
        }
    }

    protected override void OnEnable()
    {
        base.OnEnable();
        isAttacking = false;
    }

    IEnumerator PlayAttackSound()
    {
        yield return new WaitForSeconds(enemySo.playAfterTime);
        if(attackAudioSource) attackAudioSource.PlayOneShot(enemySo.attackAudio);
    }

    public void ResetAttack()
    {
        //isAttacking = false;
        if(hitMovementTrail)
            hitMovementTrail.SetActive(false);

        StartCoroutine(RandomTimeAfterAttack());
    }

    private IEnumerator RandomTimeAfterAttack()
    {
        var randomTime = Random.Range(0, 0.2f);

        yield return new WaitForSeconds(randomTime);

        isAttacking = false;
    }

    private IEnumerator RandomTimeAllowMove()
    {
        yield return new WaitForSeconds(0.5f);

        var randomTime = Random.Range(0, 0.5f);

        yield return new WaitForSeconds(randomTime);

        TransitionState(EnemyState.MoveToPlayer);
    }
}