using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.Video;

public class loadVideo : MonoBehaviour
{
    public VideoPlayer videoPlayer;
    public AudioSource AS;
    private string buildingName;
    public GameObject BV;
    // Start is called before the first frame update
    private void Start()
    {
        building building=FindObjectOfType<building>();
        buildingName = building.buildingName;
        loadSound();
    }
    public void LoadVideoFromSA()
    {
        // 构建完整的文件路径
        string filePath = Path.Combine(Application.streamingAssetsPath, "Video/", buildingName + ".mp4");

        // 判断文件是否存在
        if (!File.Exists(filePath))
        {
            Debug.LogError($"视频文件 {filePath} 不存在！");
        }
        else
        {
            BV.SetActive(true);
            // 启动协程加载视频
            videoPlayer.url = "file://" + filePath;
            videoPlayer.Play();
        }
    }
    public void LoadSoundFromSA(string buildingName, string ML, Action<AudioClip> onAudioLoaded)
    {
        // 构建完整的文件路径
        string filePath = Path.Combine(Application.streamingAssetsPath, ML, buildingName + ".wav");

        // 判断文件是否存在
        if (!File.Exists(filePath))
        {
            Debug.LogError($"音频文件 {filePath} 不存在！");
            onAudioLoaded(null);  // 回调并传递null
            return;
        }

        // 启动协程加载音频
        StartCoroutine(LoadAudioClipCoroutine(filePath, onAudioLoaded));
    }

    private IEnumerator LoadAudioClipCoroutine(string filePath, Action<AudioClip> onAudioLoaded)
    {
        // 创建UnityWebRequest来加载音频
        UnityWebRequest www = UnityWebRequestMultimedia.GetAudioClip("file://" + filePath, AudioType.WAV);
        yield return www.SendWebRequest();

        // 检查加载是否成功
        if (www.result != UnityWebRequest.Result.Success)
        {
            Debug.LogError($"音频加载失败: {www.error}");
            onAudioLoaded(null);  // 回调并传递null
        }
        else
        {
            // 获取并返回加载的音频
            AudioClip audioClip = DownloadHandlerAudioClip.GetContent(www);
            onAudioLoaded(audioClip);  // 回调并传递加载的音频
            Debug.Log("音频加载成功：" + filePath);

        }
    }
    public void loadSound()
    {
        // 调用加载音频的方法，并传递回调函数
        this.LoadSoundFromSA(buildingName, "sound/", (audioClip) =>
        {
            if (audioClip != null)
            {
                Debug.Log("音频加载成功，" + buildingName + "播放音频！");
                AS.clip = audioClip;
                //AS.Play();
            }
            else
            {
                Debug.LogError("音频加载失败！");
            }
        });
    }
}