package com.sztzjy.linkCommerce.controller.stu;


import cn.hutool.system.UserInfo;
import com.sztzjy.linkCommerce.annotation.AnonymousAccess;
import com.sztzjy.linkCommerce.config.security.JwtUser;
import com.sztzjy.linkCommerce.config.security.TokenProvider;
import com.sztzjy.linkCommerce.entity.Userinfo;
import com.sztzjy.linkCommerce.entity.UserinfoExample;
import com.sztzjy.linkCommerce.mapper.UserinfoMapper;
import com.sztzjy.linkCommerce.util.ResultEntity;

import com.sztzjy.linkCommerce.util.RsaUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("/api/user")
@Api(tags = "yz-登录相关")
public class LoginController {
    @Resource
    private AuthenticationManagerBuilder authenticationManagerBuilder;
    @Autowired
    UserinfoMapper userinfoMapper;

    @PostMapping("/login")
    @ApiOperation("登录接口")
    @AnonymousAccess
    public ResultEntity login(@RequestParam(required = false) String passwordEncode,
                              @RequestParam(required = false) String userName,
                              HttpServletRequest request,
                              @RequestParam(required = false) String TOKEN) {
        JwtUser jwtUser;
        String passWord;
        if (StringUtils.isBlank(TOKEN)) {
            try {
                passWord = RsaUtil.decryptByPrivateKey(passwordEncode);
            } catch (Exception e) {
                return new ResultEntity(HttpStatus.BAD_REQUEST, "密码错误");
            }
            try{
                UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(userName, passWord);
                Authentication authentication = authenticationManagerBuilder.getObject().authenticate(authenticationToken);
                SecurityContextHolder.getContext().setAuthentication(authentication);
                jwtUser = (JwtUser) authentication.getPrincipal();
                String token = TokenProvider.createToken(jwtUser);
                // 1、子系统直接登录
                UserinfoExample stuUserExample = new UserinfoExample();
                stuUserExample.createCriteria().andUsernameEqualTo(userName).andPasswordEqualTo(passWord);
                List<Userinfo> userinfos = userinfoMapper.selectByExample(stuUserExample);
                //不存在返回错误，正确放行
                if (userinfos.isEmpty()) {
                    return new ResultEntity(HttpStatus.BAD_REQUEST, "密码错误");
                }
//                保存用户的登录信息
                Map<String, Object> map = new HashMap<>();
                Userinfo user = userinfos.get(0);
                map.put("name", user.getName());
                map.put("username", user.getUsername());
                map.put("roleId", String.valueOf(user.getRole()));
                map.put("schoolId", user.getSchoolId());
                map.put("classId", user.getSchoolClassId());
                map.put("userId", user.getUserId());
                map.put("token", token);
                return new ResultEntity(HttpStatus.OK, map);
            }catch (Exception e){
                return new ResultEntity(HttpStatus.BAD_REQUEST, "账号不存在");
            }
        }else {
            return new ResultEntity(HttpStatus.BAD_REQUEST, "暂不支持智云跳转");
        }
    }
}