package pub

import (
	"app/apis/middleware"
	"app/commons/constant"
	"app/commons/core"
	"app/commons/core/exchange"
	"app/commons/model/entity"
	"fmt"
	"github.com/gin-gonic/gin"
	"time"
)

// 授权登录

func (s *Server) AuthInfo(ctx *gin.Context) {
	c := s.FromContext(ctx)
	redirectUri := c.Query("redirectUri") // 当前端传入调整地址 授权成功后需跳转地址
	type AuthInfoResp struct {
		DefaultDomainAuthUrl string `json:"defaultDomainAuthUrl"` // 含默认主域名授权地址
		NoDomainAuthUrl      string `json:"noDomainAuthUrl"`      // 无主域名授权地址 -- 授权路径 用于正式环境下前端获取主域名后 拼接用
		DefaultDomain        string `json:"defaultDomain"`        // 默认主域名
		IsLogin              bool   `json:"isLogin"`              // 用户当前是否登陆
	}
	resp := new(AuthInfoResp)
	resp.IsLogin = c.OpenId() != ""
	resp.DefaultDomainAuthUrl = exchange.AuthUrl(redirectUri)
	resp.DefaultDomain = exchange.AuthRoot()
	resp.NoDomainAuthUrl = exchange.NoDomainAuthUrl(redirectUri)
	c.Resp(resp)
}

func (s *Server) Auth(ctx *gin.Context) {
	c := s.FromContext(ctx)
	type request struct {
		Code string `json:"code"`
	}
	req := new(request)
	if err := c.BindJSON(&req); err != nil {
		c.Fail(err.Error())
		return
	}
	// code 获取用户信息 openId
	loginInfo, err := exchange.AccessToken(req.Code)
	if err != nil {
		core.JobLog.Infof("兑换交易所TOKEN失败:%s", err.Error())
		c.Fail(constant.ErrorAuthorizationFail)
		return
	}
	core.JobLog.Infof("兑换交易所TOKEN:%+v req:%+v", loginInfo, req)
	if loginInfo.Code != 200 {
		core.JobLog.Infof("兑换交易所TOKEN失败:%+v req:%+v", loginInfo, req)
		c.Fail(constant.ErrorAuthorizationFail)
		return
	}
	core.Log.Infof("用户授权登录:%+v", loginInfo.Data)
	strUserId := fmt.Sprintf("%d", loginInfo.Data.UserId)
	user, err := s.CheckUserWithOpenIdAndUid(loginInfo.Data.OpenId, strUserId, true)
	if err != nil {
		core.Log.Infof("用户授权登录:%+v", err.Error())
		c.Resp(err.Error())
		return
	}
	err = s.DB().Model(&entity.User{}).
		Where("id", user.Id).Updates(map[string]interface{}{
		"last_login_time":      time.Now().Unix(),
		"last_login_ip":        c.ClientIP(),
		"last_login_remote_ip": c.RemoteIP(),
	}).Error
	if err != nil {
		core.Log.Infof("ERROR:记录用户登陆信息失败:%+v", err.Error())
	}
	type LoginResp struct {
		Uid           string `json:"uid"`
		OpenId        string `json:"openId"`
		Code          string `json:"code"`
		Authorization string `json:"authorization"`
	}
	resp := new(LoginResp)
	resp.Uid = strUserId
	resp.OpenId = user.OpenId
	resp.Code = user.Code
	resp.Authorization, err = s.getTokenWithUser(user)
	if err != nil {
		c.Resp(err.Error())
		return
	}
	c.Resp(resp)
}

// 通过用户信息获取TOKEN
func (s *Server) getTokenWithUser(user *entity.User) (string, error) {
	member := middleware.Member{
		ID:     user.Id,
		OpenId: user.OpenId,
		Uid:    user.Uid,
	}
	token, err := middleware.GenerateJWT(member)
	if err != nil {
		return "", err
	}
	// 将新token设置为用户当前有效token -- redis 单点登录限制
	if err := middleware.SetUserCurrentToken(user.Id, token, 24*time.Hour); err != nil {
		core.Log.Errorf("设置用户当前token失败:%+v", err.Error())
	}
	return token, nil
}