package com.qxueyou.scc.teach.res.service.impl.resitem;

import java.util.Date;

import com.qxueyou.scc.sys.utils.AudioUtil;
import com.qxueyou.scc.sys.utils.VideoUtil;
import com.qxueyou.scc.teach.res.model.ResItemVideo;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import com.qxueyou.scc.base.model.Result;
import com.qxueyou.scc.base.service.ICacheService;
import com.qxueyou.scc.base.service.impl.CommonAppService;
import com.qxueyou.scc.base.util.TraceUtils;
import com.qxueyou.scc.media.model.MediaVideo;
import com.qxueyou.scc.media.model.VideoConverTask;
import com.qxueyou.scc.teach.res.model.Res;
import com.qxueyou.scc.teach.res.model.ResFile;
import com.qxueyou.scc.teach.res.model.ResItemAudio;
import com.qxueyou.scc.teach.res.service.IFileService;
import com.qxueyou.scc.teach.res.service.IResAudioService;
import com.qxueyou.scc.teach.res.service.IResItemService;

@Service(value = "ResItemAudioService")
public class ResItemAudioService extends CommonAppService implements IResItemService, IResAudioService {
	@Autowired
	IFileService fileService;

	@Autowired
	ICacheService cacheService;

	@Value("${scc.resRootPath}")
	String resRootPath;

	@Override
	public String add(String fileId, String name) {
		ResFile file = fileService.read(fileId);
		String mediaVideoId = addVideoConverTask(file);
		ResItemAudio audio = new ResItemAudio();
		TraceUtils.setCreateTrace(audio);
		try {
			audio.setStatus(ResItemAudio.STATUS_LINEUP);
			audio.setPlayTime(AudioUtil.getMp3Duration(resRootPath+"/"+file.getPath()).intValue());
			audio.setFileId(fileId);
			audio.setName(name);
			audio.setMediaVideoId(mediaVideoId);
		}catch (Exception e){
			e.printStackTrace();
		}
		// 将mediaVideoId放进缓存
		cacheService.lstRightPush(ResItemVideoService.RES_VIDEO_CONVER_LST, mediaVideoId);
		save(audio);

		return audio.getAudioId();
	}

	private String addVideoConverTask(ResFile file) {

		MediaVideo video = insertMediaVideo(file);
		insertMediaVideoConverTask(video);

		return video.getVideoId();

	}

	private MediaVideo insertMediaVideo(ResFile file) {

		MediaVideo video = new MediaVideo();

		TraceUtils.setCreateTrace(video);

		video.setDeleteFlag(false);
		try {
			video.setDeleteFlag(false);
			video.setPlayTime((int) VideoUtil.getMp4Duration(resRootPath +"/"+ file.getPath()));
			video.setName(file.getFileName());
			video.setOrigUrl(file.getPath());
			video.setStatus(MediaVideo.STATUS_LINEUP);
			video.setType(MediaVideo.MEDIA_AUDIO);
		}catch (Exception e){
			e.printStackTrace();
		}

		save(video);

		return video;
	}

	private Result insertMediaVideoConverTask(MediaVideo resVideo) {

		VideoConverTask task = new VideoConverTask();

		task.setCreateTime(new Date());
		task.setDeleteFlag(false);
		task.setVideoId(resVideo.getVideoId());
		task.setVideoUrl(resVideo.getOrigUrl());
		task.setType(MediaVideo.MEDIA_AUDIO);
		task.setPriority(5);

		save(task);

		return new Result(true);
	}

	@Override
	public Result update(String id, String name) {

		ResItemAudio audio = read(ResItemAudio.class, id);

		TraceUtils.setUpdateTrace(audio);

		audio.setName(name);

		save(audio);

		return new Result(true, "success");
	}

	@Override
	public String readAccessPath(String resId, String attribute) {
		ResItemAudio resItemAudio = read(ResItemAudio.class, resId);

		if (resItemAudio != null && resItemAudio.getStatus() != ResItemAudio.STATUS_DRAFT) {
			ResFile resFile = read(ResFile.class,resItemAudio.getFileId());
			return resFile.getPath();
			//return null;
		}

		MediaVideo video = read(MediaVideo.class, resItemAudio.getMediaVideoId());

		if (video == null) {
			return null;
		}

		return StringUtils.isNotEmpty(video.getAndroidHD()) ? video.getAndroidHD()
				: StringUtils.isNotEmpty(video.getAndroidSD()) ? video.getAndroidSD() : video.getAndroidLD();
	}

	@Override
	public String getResItemType() {
		return Res.FILE_TYPE_AUDIO;
	}

	@Override
	public Result updateDuration(String audioId, int duration) {

		ResItemAudio audio = read(ResItemAudio.class, audioId);

		audio.setSeconds(duration);

		save(audio);

		return new Result(true);
	}

}