package com.travel.controller;

import com.travel.model.Travel;
import com.travel.model.TravelComments;
import com.travel.service.TravelCommentsService;
import com.travel.util.BeanMap;
import com.travel.util.ParsingToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.*;

/**
 * 游记评论
 */
@RestController
@RequestMapping("comments")
public class TravelCommentsController {
    @Autowired
    private TravelCommentsService travelCommentsService;

    /**
     * 新增游记评论
     * @param comments 参数
     * @param request token
     * @return 返回结果
     */
    @PostMapping("addComments")
    public Map<String, Object> addComments(@RequestBody TravelComments comments, HttpServletRequest request){
        Map<String, Object> map = new HashMap<>();
        try{
            //获取token
            Map<String, Object> userMap = ParsingToken.tokenParsing(request);
            comments.setCode((String) userMap.get("code"));
            //生成uuid
            String id = UUID.randomUUID().toString().replace("-", "");
            comments.setUuid(id);

            travelCommentsService.addComments(comments);
            map.put("msg", "200");
        }catch (Exception e){
            e.printStackTrace();
            map.put("msg", "500");
            map.put("errMsg", "服务器请求异常，请稍后再试");
        }
        return map;
    }

    /**
     * 删除评论
     * @param comments 参数
     * @param request token
     * @return 返回结果
     */
    @DeleteMapping("delComments")
    public Map<String, Object> delComments(TravelComments comments, HttpServletRequest request){
        Map<String, Object> map = new HashMap<>();
        try {
            //获取token
            Map<String, Object> userMap = ParsingToken.tokenParsing(request);
            comments.setCode((String) userMap.get("code"));
            //查询要删除的评论下的所有评论 并删除
            comments.setParentUuid(comments.getUuid());
            Map<String, Object> dataMap = getComments(comments, request);
            delCommentData((List<Map<String, Object>>) dataMap.get("data"));//删除所有子集
            travelCommentsService.delComments(comments);
            map.put("msg", "200");
        }catch (Exception e){
            e.printStackTrace();
            map.put("msg", "500");
            map.put("errMsg", "服务器请求异常，请稍后再试");
        }
        return map;
    }

    /**
     * 查询指定游记的所有评论
     * @param comments 参数
     * @param request token
     * @return 返回结果
     */
    @GetMapping("getComments")
    public Map<String, Object> getComments(TravelComments comments, HttpServletRequest request){
        Map<String, Object> map = new HashMap<>();
        try {
            //获取token
            Map<String, Object> userMap = ParsingToken.tokenParsing(request);
            comments.setCode((String) userMap.get("code"));
            map.put("data", recursiveComments(comments));
            map.put("msg", "200");
        }catch (Exception e){
            e.printStackTrace();
            map.put("msg", "500");
            map.put("errMsg", "服务器请求异常，请稍后再试");
        }
        return map;
    }

    /**
     * 递归查询评论
     * @param comments 参数
     * @return 返回结果
     */
    public List recursiveComments(TravelComments comments){
        List<TravelComments> listData = travelCommentsService.getComments(comments);
//        List<List<TravelComments>> list = new ArrayList<>();
//        for(TravelComments comments1 : listData){
//            List<TravelComments> list1 = new ArrayList<>();
//            list1.add(comments1);
//            List<TravelComments> listData1 = travelCommentsService.getComments(comments1);
//            for(TravelComments comments2 : listData1){
//                list1.add(comments2);
//            }
//            list.add(list1);
//        }
        return listData;
    }

    /**
     * 递归删除所有制定父级下的所有子集
     * @param list 参数
     */
    public void delCommentData(List<Map<String, Object>> list){
        try {
            for(int i = 0; i < list.size(); i++){
                TravelComments comments = new TravelComments().setCode((String) list.get(i).get("code")).setUuid((String) list.get(i).get("uuid")).setTravelUuid((String) list.get(i).get("travelUuid"));
                List<Map<String, Object>> listChildren = (List<Map<String, Object>>) list.get(i).get("children");
                if(listChildren.size() != 0){
                    delCommentData(listChildren);
                }
                travelCommentsService.delComments(comments);
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }

    /**
     * 查询用户评论
     * @param request 参数
     * @param travelComments 参数
     * @return 返回结果
     */
    @GetMapping("getCommentsUser")
    public Map<String, Object> getCommentsUser(TravelComments travelComments, HttpServletRequest request){
        Map<String, Object> map = new HashMap<>();
        try{
            if(travelComments.getCode() == null){
                //获取token
                Map<String, Object> userMap = ParsingToken.tokenParsing(request);
                travelComments.setCode((String) userMap.get("code"));
            }

            List<Map<String, Object>> list = travelCommentsService.getCommentsUser(travelComments);
            Map<String, Object> mapVal = new HashMap<>();
            mapVal.put("list", list);
            mapVal.put("count", travelCommentsService.getCommentsUserCount(travelComments));
            mapVal.put("page", travelComments.getPage());

            map.put("data", mapVal);
            map.put("msg", "200");
        }catch (Exception e){
            e.printStackTrace();
            map.put("msg", "500");
            map.put("errMsg", "服务器请求异常，请稍后再试");
        }
        return map;
    }

    /**
     * 查询指定用户的互动消息
     * @param request token 参数
     * @return 返回结果
     */
    @GetMapping("getInteractiveMessage")
    public Map<String, Object> getInteractiveMessage(HttpServletRequest request){
        String code = (String)ParsingToken.tokenParsing(request).get("code");
        return travelCommentsService.getInteractiveMessage(code);
    }
}