package com.yeshi.buwan.controller.parser;

import com.yeshi.buwan.domain.VideoInfo;
import com.yeshi.buwan.domain.video.VideoWatchHistory;
import com.yeshi.buwan.service.imp.AttentionService;
import com.yeshi.buwan.service.imp.CollectionService;
import com.yeshi.buwan.service.imp.VideoService;
import com.yeshi.buwan.service.inter.video.VideoWatchHistoryService;
import com.yeshi.buwan.util.Constant;
import com.yeshi.buwan.util.JsonUtil;
import com.yeshi.buwan.util.StringUtil;
import com.yeshi.buwan.vo.AcceptData;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Component
public class UserVideoParser {

    @Resource
    private VideoWatchHistoryService videoWatchHistoryService;

    @Resource
    private VideoService videoService;

    @Resource
    private CollectionService collectionService;

    @Resource
    private AttentionService attentionService;

    public void getWatchHistory(AcceptData acceptData, HttpServletRequest request, PrintWriter out) {

        int page = Integer.parseInt(request.getParameter("Page"));
        page = page == 0 ? 1 : page;
        List<VideoWatchHistory> list = videoWatchHistoryService.listHistory(acceptData.getDevice(), page, Constant.pageCount);
        long count = videoWatchHistoryService.countHistory(acceptData.getDevice());

        List<String> videoIds = new ArrayList<>();
        if (list != null)
            for (VideoWatchHistory wh : list) {
                videoIds.add(wh.getVideoId());
            }

        List<VideoInfo> videoInfoList = videoService.getVideoInfoList(videoIds);
        Map<String, VideoInfo> videoInfoMap = new HashMap<>();
        if (videoInfoList != null)
            for (VideoInfo vi : videoInfoList) {
                if (vi != null)
                    videoInfoMap.put(vi.getId(), vi);
            }
        for (VideoWatchHistory wh : list) {
            wh.setVideo(videoInfoMap.get(wh.getVideoId()));
        }


        JSONObject root = new JSONObject();
        root.put("count", count);
        root.put("list", StringUtil.outPutResultJson(list));
        out.print(JsonUtil.loadTrueJson(root.toString()));
    }

    public void deleteWatchHistory(AcceptData acceptData, HttpServletRequest request, PrintWriter out) {
        String ids = (request.getParameter("Ids"));
        List<String> idList = new ArrayList<>();
        JSONArray array = JSONArray.fromObject(ids);
        if (array != null)
            for (int i = 0; i < array.size(); i++) {
                idList.add(array.optString(i));
            }
        videoWatchHistoryService.delete(idList);

        out.print(JsonUtil.loadTrueJson(""));
    }


    /**
     * 获取用户视频数据数量信息
     *
     * @param acceptData
     * @param request
     * @param out
     */
    public void getUserVideoDataCount(AcceptData acceptData, HttpServletRequest request, PrintWriter out) {

        String loginUid = request.getParameter("LoginUid");
        if (StringUtil.isNullOrEmpty(loginUid)) {
            out.print(JsonUtil.loadFalseJson("用户未登录"));
            return;
        }

        long collectionCount = collectionService.getCollectVideoCount(acceptData.getUid());
        long attentionCount = attentionService.getAttentionCountByLoginUid(Long.parseLong(loginUid));
        JSONObject data = new JSONObject();
        data.put("collectionCount", collectionCount);
        data.put("attentionCount", attentionCount);
        out.print(JsonUtil.loadTrueJson(data.toString()));
    }

}