package svc

import (
	"applet/app/bigData/md"
	"applet/app/ipad/lib/auth"
	"errors"
	"github.com/gin-gonic/gin"
	"strings"
)

func GetUser(c *gin.Context) *md.User {
	user, _ := c.Get("user")
	if user == nil {
		return &md.User{
			Account:  "",
			Password: "",
		}
	}
	return user.(*md.User)
}

func CheckUser(c *gin.Context) (*md.User, error) {
	token := c.GetHeader("Authorization")
	if token == "" {
		return nil, errors.New("token not exist")
	}
	// 按空格分割
	parts := strings.SplitN(token, " ", 2)
	if !(len(parts) == 2 && parts[0] == "Bearer") {
		return nil, errors.New("token format error")
	}
	// parts[1]是获取到的tokenString，我们使用之前定义好的解析JWT的函数来解析它
	mc, err := auth.ParseToken(parts[1])
	if err != nil {
		return nil, err
	}

	// 获取user
	user := &md.User{
		Account:  mc.Account,
		Password: mc.Password,
	}
	return user, nil
}