using System;
using System.Collections;
using UnityEngine;
using UnityEngine.Video;

[RequireComponent(typeof(VideoPlayer))]
public class AudioPlayControl : MonoBehaviour
{
    public VideoClip startAudio;
    public VideoClip endAudio;

    private VideoPlayer player;

    public VideoClip[] mp4Clips;
    private int currentMP4Index = -1;
    public bool isPlaying = false;
    public Action OnPlayFinished;

    private void Awake()
    {
        player = GetComponent<VideoPlayer>();
        player.playOnAwake = false;
        this.gameObject.SetActive(false);
    }
    private void OnDisable()
    {
        this.StopAllCoroutines();
    }
    public void ResetMP4Index()
    {
        this.currentMP4Index = -1;
    }
    Coroutine stopCoroutine;
    private void PlayClipThenStop(VideoClip clip)
    {
        if (this == null || this.gameObject == null)
            return;
        player.clip = clip;
        this.gameObject.SetActive(true);
        player.Play();
        isPlaying = true;

        stopCoroutine = StartCoroutine(WaitForSeconedToStop());
    }
    IEnumerator WaitForSeconedToStop()
    {
        yield return new WaitForSeconds((float)player.clip.length);
        StopPlay();
    }
    public void PlayStartVideo()
    {
        PlayClipThenStop(startAudio);
    }
    public void PlayEndVideo()
    {
        PlayClipThenStop(endAudio);
    }
    public void StopPlay()
    {
        if (this == null || this.gameObject == null)
            return;
        isPlaying = false;
        player.Stop();
        this.gameObject.SetActive(false);
        OnPlayFinished?.Invoke();
        this.StopAllCoroutines();
    }
    public bool IsCanPlayMP4()
    {
        if (currentMP4Index + 1 == mp4Clips.Length)
            return false;
        return true;
    }
    public void PlayMP4()
    {
        currentMP4Index++;
        var needPlayClip = mp4Clips[currentMP4Index];
        PlayClipThenStop(needPlayClip);
    }
}