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

import java.util.HashMap;
import java.util.Map;

import javax.annotation.PostConstruct;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Service;

import com.qxueyou.scc.admin.classes.model.ClsSubjectLecture;
import com.qxueyou.scc.admin.classes.service.IClassLectureService;
import com.qxueyou.scc.admin.progress.model.Progress;
import com.qxueyou.scc.admin.progress.service.IDetailProgressService;
import com.qxueyou.scc.base.model.Result;
import com.qxueyou.scc.base.service.impl.CommonAppService;
import com.qxueyou.scc.teach.subject.model.SubjectLecture;

@Service("LectureProgressService")
public class LectureProgressService extends CommonAppService implements IDetailProgressService {

	@Autowired
	IClassLectureService lectureService;

	/**
	 * 各类型课件进度服务实现
	 */
	private Map<String, IDetailProgressService> resItemServiceMap = new HashMap<String, IDetailProgressService>(6);

	@Autowired
    private ApplicationContext appContext;

	@PostConstruct
	private void init() {
		addLectureProgressService(appContext.getBean("LectureVideoProgressService",IDetailProgressService.class));
		addLectureProgressService(appContext.getBean("LectureAudioProgressService",IDetailProgressService.class));
		addLectureProgressService(appContext.getBean("LectureDocProgressService",IDetailProgressService.class));
	}

	private void addLectureProgressService(IDetailProgressService service) {
		resItemServiceMap.put(service.getType(), service);
	}


	@Override
	public Result addProgress(String targetId,String learnerId, int start, int end) {
		ClsSubjectLecture lecture = lectureService.readClsLecture(targetId);

		String lectureType = null;
		if(lecture == null) {
			lectureType = this.read(SubjectLecture.class, targetId).getLectureType();
		}else {
			lectureType = lecture.getLectureType();
		}

		return resItemServiceMap.get(lectureType).addProgress(targetId, learnerId, start, end);

	}

	@Override
	public String getType() {
		return Progress.PROGRESS_TYPE_LECTURE;
	}

}