package com.qxueyou.scc.admin.progress.service.impl.lecture;

import org.springframework.stereotype.Service;

import com.qxueyou.scc.base.model.Result;
import com.qxueyou.scc.teach.subject.model.SubjectLecture;
import com.qxueyou.scc.teach.subject.model.view.LectureAudioV;

@Service("LectureAudioProgressService")
public class LectureAudioProgressService extends LectureVideoProgressService {

	private static final int ERR_NO_SECONDS = 501;

	@Override
	public String getType() {
		return SubjectLecture.TYPE_AUDIO;
	}

	/**
	 * »ñÈ¡½ø¶È°Ù·Ö±È
	 * 
	 * @param targetId
	 * @param sum
	 * @return
	 */
	@Override
	public double getProgressPercent(String targetId, int sum) {

		LectureAudioV lectureAudio = lectureService.readAudioLecture(targetId);

		return Math.min((double) sum / (double) lectureAudio.getSeconds(), 1.0d);
	}

	@Override
	public Result checkLecture(String targetId) {
		LectureAudioV lectureAudio = lectureService.readAudioLecture(targetId);
		if (lectureAudio.getSeconds() == null) {
			return new Result(false, ERR_NO_SECONDS);
		}
		return new Result(true);
	}
}