package com.qxueyou.scc.stucontroller;

import java.util.*;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.qxueyou.scc.sdk.MTCloud;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.qxueyou.scc.admin.classes.model.ClsClass;
import com.qxueyou.scc.admin.classes.service.IClassService;
import com.qxueyou.scc.base.model.Result;
import com.qxueyou.scc.base.util.ClientUtils;
import com.qxueyou.scc.base.util.CollectionUtils;
import com.qxueyou.scc.base.util.QBeanUtils;
import com.qxueyou.scc.teach.live.dao.MediaLiveDAO;
import com.qxueyou.scc.teach.live.model.MediaVideoLive;
import com.qxueyou.scc.teach.live.service.IMediaLiveService;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;

@Api(tags="直播接口-学员端")
@RestController
@CrossOrigin
@RequestMapping(value = "/stu/live")
public class StuLiveController {
	
	@Autowired
	IClassService classService;
	
	@Autowired
	IMediaLiveService liveService;
	
	@Autowired
	MediaLiveDAO dao;
	
	private final static short[] PUBLIC_LIVE_STATUS = new short[] {
			MediaVideoLive.STATUS_LIVE_LIVE,MediaVideoLive.STATUS_LIVE_PAUSE,
			MediaVideoLive.STATUS_LIVE_STOP,MediaVideoLive.STATUS_LIVE_REVIEW
	};
	
	/**
	 * 获取直播列表
	 * @param classId 班级id
	 * @return
	 */
	@ApiOperation(value = "获取直播列表", notes = "")
    @ApiImplicitParams({
        @ApiImplicitParam(name = "classId", value = "班级id", required = true, paramType="query", dataType = "String"),
        @ApiImplicitParam(name = "status", value = "直播状态（2正在直播，5直播中的暂停状态，9停止直播，3回放）", required = true, paramType="query", dataType = "String"),
    })
	@GetMapping(value = "list")
	public Result list(String classId, Short status) {
		short[] _status = null;
		if(status == null || status == 0) {
			_status = PUBLIC_LIVE_STATUS;
		}else {
			_status = new short[]{status};
		}
		
		List<String> liveIds = getLiveIdLst(StringUtils.isEmpty(classId)?ClientUtils.getClassId():classId);

		List<MediaVideoLive> lives = liveService.readByStatus(liveIds,_status);
		
		List<Map<String,Object>> lst =QBeanUtils.listBean2ListMap(lives, CollectionUtils.newStringMap(
				"creator","creator",
				"startTime","startTime",
				"endTime","endTime",
				"updateTime","lastUpdateTime",
				"videoLiveId","videoLiveId",
				"name","name",
				"status","status",
				"hlsPullUrl","hlsPullUrl",
				"previewImgUrl","imgPath"
				));
		
		//添加聊天室id
		if(lst!=null && lst.size()>0){
			for(Map<String,Object> map:lst) {
				map.put("chatroomId", dao.getChatRoomId((String)map.get("videoLiveId")));
			}	
		}
		
		return new Result(true, "success", CollectionUtils.newObjectMap("liveCount", lst==null?0:lst.size(), "liveLst",lst));
	}

	/**
	 * 获取直播id
	 * @param classId
	 * @return
	 */
	private List<String> getLiveIdLst(String classId) {
		List<String> liveIds = new ArrayList<String>(5);

		//获取班级列表及班级所在直播列表
		if(StringUtils.isNotEmpty(classId)) {
			liveIds = dao.getClassLives(classId);
		}else { //查询学员所在的全部班级
			List<ClsClass> clsLst = classService.listMyClass();
			Set<String> ids = new HashSet<String>();
			for(ClsClass cls:clsLst) {
				ids.addAll(dao.getClassLives(cls.getClassId()));
			}
			liveIds.addAll(ids);
		}
		return liveIds;
	}
	
	/**
	 * 查看直播明细
	 * @param couresId 直播id
	 * @return
	 */
	@GetMapping(value = "view")
	public Result view(String couresId,String userId,String userName) throws Exception {


		MTCloud client = new MTCloud();

		HashMap<Object,Object> options = new HashMap<Object, Object>();
		if(userId.equals("")){
			userId= randomId();
		}
        if(userName.equals("") || userName==null){
            userName= "游客";
        }

		String res = client.courseAccess(couresId,userId,userName, MTCloud.ROLE_USER, 10000, options);
		JSONObject jsonObject = JSON.parseObject(res);


		if(jsonObject.getString("code").equals("0")){
			JSONObject data = jsonObject.getJSONObject("data");

			String liveUrl = (String) data.get("liveUrl");

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

		return new Result(false, jsonObject.getString("msg"));
	}

	public  String randomId() {
			Random random=new Random();
			String str="";
			for (int i = 0; i <12; i++) {
				if(i==0){
					//首位不能为0且数字取值区间为 [1,9]
					str+=(random.nextInt(9)+1);
				}else{
					//其余位的数字的取值区间为 [0,9]
					str+=random.nextInt(10);
				}
			}
			return str;
		}


}