package com.epmet.service.impl;

import com.epmet.commons.tools.exception.RenException;
import com.epmet.dto.form.PaWxCodeFormDTO;
import com.epmet.service.PublicUserLoginService;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import me.chanjar.weixin.mp.bean.result.WxMpUser;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

/**
 * 描述一下
 *
 * @author yinzuomei@elink-cn.com
 * @date 2020/7/8 18:31
 */
@Service
public class PublicUserLoginServiceImpl implements PublicUserLoginService {
    private static final Logger logger = LoggerFactory.getLogger(PublicUserLoginServiceImpl.class);
    @Autowired
    private WxMpService wxMpService;


    @Override
    public Map loginByWxCode(PaWxCodeFormDTO formDTO) {
        WxMpUser wxMpUser=this.getWxMpUser(formDTO.getWxCode());
        Map map =new HashMap();
        map.put("微信用户信息",wxMpUser);
        return map;
    }

    private WxMpUser getWxMpUser(String wxCode) {
        WxMpUser wxMpUser = null;
        try {
            WxMpOAuth2AccessToken wxMpOAuth2AccessToken = wxMpService.oauth2getAccessToken(wxCode);
            wxMpUser = wxMpService.oauth2getUserInfo(wxMpOAuth2AccessToken, null);
        } catch (WxErrorException e) {
            logger.error("->[getWxMpUser]::error[{}]", "解析微信用户信息失败");
        }
        if (null == wxMpUser || StringUtils.isBlank(wxMpUser.getUnionId())) {
            throw new RenException("解析微信用户信息失败");
        }
        return wxMpUser;
    }
}