using System.Collections;
using UnityEngine;

public class BG_NPCRefContainer : NpcRefrenceContainer
{
    [Header("BG NPC Parameters")]
    [SerializeField] float lifeTime;
    [SerializeField] float minTargetRange;
    [SerializeField] float maxTargetRange;
    [SerializeField] NpcInteract NpcInteract;

    protected Coroutine despawnCoroutine;

    protected override void OnGamePauseToggleHandler()
    {
        base.OnGamePauseToggleHandler();

        if (GameManager.Instance.stateManager.CurrentState == GameState.Paused)
        {
            npcMoveBehaviour.navMeshAgent.isStopped = true;

            // Stop lifetime coroutine
            if (despawnCoroutine != null)
                StopCoroutine(despawnCoroutine);

            // Stop the fade coroutine
            if (gameObjectFade.fadeCoroutine != null)
                StopCoroutine(gameObjectFade.fadeCoroutine);
        }
        else
        {
            npcMoveBehaviour.navMeshAgent.isStopped = false;

            // Resume lifetime coroutine
            if (despawnCoroutine != null)
                despawnCoroutine = StartCoroutine(DespawnAfterTime());

            // Resume the fade coroutine
            if (gameObjectFade.fadeCoroutine != null && gameObjectFade.fadeCoroutineId == 1)
                gameObjectFade.FadeIn();
            else if (gameObjectFade.fadeCoroutine != null && gameObjectFade.fadeCoroutineId == 2)
                gameObjectFade.FadeOut();
        }
    }

    public override void OnObjectSpawn()
    {
        base.OnObjectSpawn();

        gameObject.SetActive(true);
        canBeDespawned = false;

        // Reference
        NpcInteract.mainCamera = GameManager.Instance.refrenceManager.cameraRefrence.GetMainCamera();

        // Behaviour
        npcMoveBehaviour.targetPosition = ((INavMeshReliant)this).GenerateRandomPosFromSelf(transform.position, minTargetRange, maxTargetRange);
        npcMoveBehaviour.SetTarget(npcMoveBehaviour.targetPosition);

        // Rotate towards the target position
        transform.rotation = Quaternion.LookRotation(npcMoveBehaviour.targetPosition - transform.position, Vector3.up);

        TriggerFadeIn();
    }

    protected override void OnFadeInComplete()
    {
        base.OnFadeInComplete();

        canBeDespawned = true;
        despawnCoroutine = StartCoroutine(DespawnAfterTime());
    }

    protected override void OnFadeOutComplete()
    {
        canBeDespawned = false;
        despawnCoroutine = null;
        gameObject.SetActive(false);
    }

    IEnumerator DespawnAfterTime()
    {
        yield return new WaitForSeconds(lifeTime);
        TriggerFadeOut();
    }
}