using System;
using System.Collections;
using System.Collections.Generic;
using DefaultNamespace;
using DefaultNamespace.ProcessMode;
using Framework.ProcessMode;
using MotionFramework;
using RenderHeads.Media.AVProVideo;
using UnityEngine;

public class VideoPlayProcessManager : MonoBehaviour
{
    [Header("视频播放组件")] public GameObject play;
    public MediaPlayer mediaPlayer;

    [Header("视频文件配置")] private string videoPath1 = "XX公司库存组成分析-金额汇总及透视表制作.mp4";

    private string videoPath2 = "分析全市库存500138347物料号的柱上断路器总库存-透视表制作.mp4";

    public void Start()
    {
        MotionEngine.GetModule<ProcessManager>().OnLastActionStartEvent += OnLastActionStartEvent;
        Debug.Log("VideoPlayProcessManager: 已注册所有模式最后动作开始事件监听");
    }

    private void OnLastActionStartEvent(ProcessStepDescription action)
    {
        // 检查当前模式是否为教学模式或课程预览模式
        if (MotionEngine.GetModule<ProcessManager>()._currentMode == ProcessMode.课程预览 ||
            MotionEngine.GetModule<ProcessManager>()._currentMode == ProcessMode.教学模式)
        {
            string examName = MotionEngine.GetModule<GlobalDataStorage>().ExamName;
            Debug.Log($"VideoPlayProcessManager: 检测到所有模式最后动作开始，当前题目：{examName}，动作：{action.Title}");

            if (examName == "XX公司库存组成分析")
            {
                Debug.Log("VideoPlayProcessManager: 开始播放XX公司库存组成分析视频");
                PlayVideo(videoPath1);
            }
            else if (examName == "分析全市库存500138347物料号的一二次融合成套柱上断路器总库存")
            {
                Debug.Log("VideoPlayProcessManager: 开始播放柱上断路器总库存分析视频");
                PlayVideo(videoPath2);
            }
            else
            {
                Debug.LogWarning($"VideoPlayProcessManager: 未找到题目 '{examName}' 对应的视频配置");
            }
        }
        else
        {
            Debug.Log($"VideoPlayProcessManager: 检测到最后动作开始，但当前模式为 {MotionEngine.GetModule<ProcessManager>()._currentMode}，不播放视频");
        }
    }

    /// <summary>
    /// 播放指定路径的视频
    /// </summary>
    /// <param name="videoPath">视频文件路径（相对于StreamingAssets文件夹）</param>
    private void PlayVideo(string videoPath)
    {
        if (mediaPlayer == null)
        {
            Debug.LogError("VideoPlayProcessManager: MediaPlayer组件未设置");
            return;
        }

        if (play == null)
        {
            Debug.LogError("VideoPlayProcessManager: 视频显示GameObject未设置");
            return;
        }

        if (string.IsNullOrEmpty(videoPath))
        {
            Debug.LogError("VideoPlayProcessManager: 视频路径为空");
            return;
        }

        try
        {
            // 显示视频GameObject
            play.SetActive(true);
            Debug.Log($"VideoPlayProcessManager: 显示视频GameObject");

            // 构建完整的视频路径
            string fullVideoPath = System.IO.Path.Combine(Application.streamingAssetsPath, videoPath);
            Debug.Log($"VideoPlayProcessManager: 完整视频路径：{fullVideoPath}");

            // 检查视频文件是否存在
            if (!System.IO.File.Exists(fullVideoPath))
            {
                Debug.LogError($"VideoPlayProcessManager: 视频文件不存在：{fullVideoPath}");
                return;
            }

            // 停止当前播放（如果有）
            mediaPlayer.Stop();

            // 打开新的视频文件，不自动播放
            bool openResult = mediaPlayer.OpenMedia(RenderHeads.Media.AVProVideo.MediaPathType.RelativeToStreamingAssetsFolder, fullVideoPath, true);

            if (openResult)
            {
                Debug.Log($"VideoPlayProcessManager: 成功打开视频文件：{videoPath}");

                // 从头开始播放
                mediaPlayer.Play();
                Debug.Log("VideoPlayProcessManager: 开始播放视频");
            }
            else
            {
                Debug.LogError($"VideoPlayProcessManager: 打开视频文件失败：{videoPath}");
            }
        }
        catch (System.Exception ex)
        {
            Debug.LogError($"VideoPlayProcessManager: 播放视频时发生异常：{ex.Message}");
        }
    }

    private void OnDestroy()
    {
        // 取消事件监听
        if (MotionEngine.GetModule<ProcessManager>() != null)
        {
            MotionEngine.GetModule<ProcessManager>().OnLastActionStartEvent -= OnLastActionStartEvent;
        }
    }
}