package com.fdkankan.manage.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fdkankan.common.constant.ErrorCode;
import com.fdkankan.common.exception.BusinessException;
import com.fdkankan.common.response.PageInfo;
import com.fdkankan.manage.entity.User;
import com.fdkankan.manage.mapper.IUserMapper;
import com.fdkankan.manage.service.*;
import com.fdkankan.manage.vo.request.UserIncrementParam;
import com.fdkankan.manage.vo.request.UserParam;
import com.fdkankan.manage.vo.response.UserVo;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.stream.Collectors;

/**
 * <p>
 * 用户信息表 服务实现类
 * </p>
 *
 * @author 
 * @since 2022-06-16
 */
@Service
public class UserServiceImpl extends ServiceImpl<IUserMapper, User> implements IUserService {

    @Autowired
    private IUserIncrementService userIncrementService;
    @Autowired
    private ICameraDetailService cameraDetailService;
    @Autowired
    private ISceneService sceneService;
    @Autowired
    private ISceneProService sceneProService;

    @Override
    public PageInfo pageList(UserParam param) {
        LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
        if(StringUtils.isNotBlank(param.getUserName())){
            wrapper.like(User::getUserName,param.getUserName());
        }
        if(StringUtils.isNotBlank(param.getEmail())){
            wrapper.like(User::getEmail,param.getEmail());
        }
        wrapper.orderByDesc(User::getCreateTime);
        Page<User> page = this.page(new Page<>(param.getPageNum(), param.getPageSize()), wrapper);
        List<User> records = page.getRecords();
        List<UserVo> userVo = getUserVo(records);
        Page<UserVo> pageVo = new Page<>(page.getCurrent(),page.getSize());
        pageVo.setTotal(page.getTotal());
        pageVo.setRecords(userVo);
        return PageInfo.PageInfo(pageVo);
    }

    @Override
    public void addDownNum(UserIncrementParam param) {
        User user = this.getById(param.getUserId());
        if(user == null){
            throw new BusinessException(ErrorCode.USER_NOT_EXIST);
        }
        Integer totalNum = user.getDownloadNumTotal() == null ? 0 : user.getDownloadNumTotal() + param.getCount();
        user.setDownloadNumTotal(totalNum);
        this.updateById(user);
    }

    @Override
    public List<UserVo>  userDetail(Integer userId) {
        User user = this.getById(userId);
        if(user!=null){
            return getUserVo(Arrays.asList(user));
        }
        return new ArrayList<>();
    }

    private List<UserVo> getUserVo(List<User> userList){
        List<UserVo> voList = new ArrayList<>();
        if(userList.size() >0){
            List<Long> userIdList = userList.parallelStream().map(User::getId).collect(Collectors.toList());
            HashMap<Long,Long> incrementCountMap = userIncrementService.getValidCountGroupByUserId(userIdList);
            HashMap<Long,Long> cameraCountMap = cameraDetailService.getCountGroupByUserId(userIdList);
            HashMap<Long,Long> sceneCountMap = sceneService.getCountGroupByUserId(userIdList);
            HashMap<Long,Long> sceneProCountMap = sceneProService.getCountGroupByUserId(userIdList);
            for (User user :userList) {
                long incrementCount = incrementCountMap.get(user.getId()) == null ? 0 : incrementCountMap.get(user.getId());
                long cameraCount = cameraCountMap.get(user.getId()) == null ? 0 : cameraCountMap.get(user.getId());
                long sceneCount = sceneCountMap.get(user.getId()) == null ? 0 : sceneCountMap.get(user.getId());
                long sceneProCount = sceneProCountMap.get(user.getId()) == null ? 0 : sceneProCountMap.get(user.getId());

                UserVo vo = new UserVo();
                BeanUtils.copyProperties(user,vo);
                vo.setVip(incrementCount  > 0 ? 1: 0);
                vo.setIncrementCount(incrementCount);
                vo.setSurDownNum(user.getDownloadNumTotal() - user.getDownloadNum());
                vo.setCameraCount(cameraCount);
                vo.setSceneNum(sceneCount + sceneProCount);
                voList.add(vo);
            }
        }
        return voList;
    }
}