package com.cyksj.service.user.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.cyksj.common.exception.BusinessRuntimeException;
import com.cyksj.config.WeChatConfig;
import com.cyksj.mapper.UserMapper;
import com.cyksj.mapper.UserTransferLogMapper;
import com.cyksj.mapper.WxSyncLogMapper;
import com.cyksj.model.dto.GzhOAuth2UserInfo;
import com.cyksj.model.dto.UserWhoami;
import com.cyksj.model.entity.User;
import com.cyksj.model.entity.UserTransferLog;
import com.cyksj.model.entity.WxSyncLog;
import com.cyksj.service.distribute.DistributeService;
import com.cyksj.service.user.UserService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;

import java.util.Optional;

/**
 * @author chan
 * @date 2021/10/10 下午3:27
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {
    private final WeChatConfig weChatConfig;

    private final UserTransferLogMapper userTransferLogMapper;

    private final WxSyncLogMapper wxSyncLogMapper;

    private final DistributeService distributeService;

    @Override
    public User saveAuth(GzhOAuth2UserInfo info, Long sharedId, Integer dsType, Long pid) {
        final String unionid = info.getUnionid();
        if (StrUtil.isEmpty(unionid)) {
            throw BusinessRuntimeException.getInstance("授权操作异常,请刷新页面");
        }
        WxSyncLog wxSyncLog = wxSyncLogMapper.selectOne(Wrappers.lambdaQuery(WxSyncLog.class)
                .eq(WxSyncLog::getToAppid, weChatConfig.getAppid())
                .eq(WxSyncLog::getNewOpenid, info.getOpenid()).last("limit 1"));

        User user = getSyncUser(info.getOpenid(), info.getUnionid(), wxSyncLog);

        user = Optional.ofNullable(user).orElseGet(() -> new User()
                .setUnionid(unionid));
        user.setNickname(info.getNickname())
                .setSex(info.getSex())
                .setCountry(info.getCountry())
                .setProvince(info.getProvince())
                .setCity(info.getCity())
                .setHeadimgurl(info.getHeadimgurl());
        if (!user.getUnionid().equals(unionid)) {
            UserTransferLog log = new UserTransferLog();
            if (wxSyncLog != null) {
                log.setType("公众号迁移");
            } else {
                log.setType("绑定开发者账号");
            }
            log.setOldAppId(weChatConfig.getOldAppid());
            log.setNewAppId(weChatConfig.getAppid());
            log.setUserId(user.getId());
            log.setOldUnionid(user.getUnionid());
            log.setNewUnionid(info.getUnionid());
            userTransferLogMapper.insert(log);
        }
        user.setUnionid(unionid);
        user.setOpenId(info.getOpenid());

        Boolean isNewUser = false;
        if (user.getId() == null) {
            isNewUser = true;
            user.setPopularizeId(pid);
        }
        this.saveOrUpdate(user);
        if (sharedId != null && isNewUser) {
            distributeService.saveDistributionInvitation(sharedId, user.getId());
        }
        return user;
    }

    @Override
    public UserWhoami whoami(long userId) {
        User user = this.getById(userId);
        Assert.notNull(user,"业务处理失败,请联系客服");
        UserWhoami userWhoami = new UserWhoami();

        BeanUtil.copyProperties(user, userWhoami);

        return userWhoami;
    }

    @Override
    public User getSyncUser(String openId, String unionId, WxSyncLog wxSyncLog) {
        User user;
        //迁移公众号之后同步授权后信息
        //是否是迁移用户
        if (wxSyncLog != null) {
            user = this.getOne(Wrappers.lambdaQuery(User.class)
                    .ne(User::getUnionid, unionId)
                    .eq(User::getOpenId, wxSyncLog.getOriOpenid()).last("limit 1"));
            if (user != null) {
                user.setOpenId(wxSyncLog.getNewOpenid());
            } else {
                // 查询用户是否存在
                user = Optional.ofNullable(
                        this.getOne(new LambdaQueryWrapper<User>().eq(User::getUnionid, unionId)
                                .orderByAsc(User::getId)
                                .last("limit 1")))
                        .orElseGet(() -> this.getOne(new LambdaQueryWrapper<User>().eq(User::getOpenId, openId)
                                .orderByAsc(User::getId)
                                .last("limit 1")));
            }
        } else {
            // 查询用户是否存在
            user = Optional.ofNullable(
                    this.getOne(new LambdaQueryWrapper<User>().eq(User::getUnionid, unionId)
                            .orderByAsc(User::getId)
                            .last("limit 1")))
                    .orElseGet(() -> this.getOne(new LambdaQueryWrapper<User>().eq(User::getOpenId, openId)
                            .orderByAsc(User::getId)
                            .last("limit 1")));
        }
        return user;
    }
}