package LoginController

import (
	"dsSdsf/Utils/CommonUtil"
	"dsSdsf/Utils/ConfigUtil"
	"dsSdsf/Utils/RedisUtil"
	"dsSdsf/Utils/RsaUtil"
	"encoding/base64"
	"github.com/gin-gonic/gin"
	"net/http"
)

//模块的路由配置
func Routers(r *gin.RouterGroup) {
	rr := r.Group("/login")

	rr.GET("/test", test)
	rr.GET("/test1", test1)
	rr.POST("/doLogin", doLogin)

	return
}

func test(c *gin.Context) {
	b := "eWgaeStLsS3Kh/M2oaL3rEzndYZtk5mdnEGyKScOuD40iUnC/a4I0N6gRhNbHRrQplZixM8C0Ng8B3gsy70Abg=="
	enb, _ := base64.StdEncoding.DecodeString(b)
	decryptPwd, err := RsaUtil.RsaDecrypt(enb)
	if err != nil {
		c.JSON(http.StatusOK, gin.H{"sucess": false, "info": "无法解密！"})
		return
	}

	c.JSON(http.StatusOK, gin.H{"sucess": true, "info": string(decryptPwd)})
}

func test1(c *gin.Context) {

	redirectUri := c.Query("redirect_uri")

	token := CommonUtil.GetUUID()

	RedisUtil.SET(token, "1", 3000)
	c.SetCookie("token", token, 0, "/", "", false, true)

	c.Redirect(http.StatusMovedPermanently, redirectUri)
}

func doLogin(c *gin.Context) {
	user := c.PostForm("user")
	pwd := c.PostForm("pwd")

	if user == "" || pwd == "" {
		c.JSON(http.StatusOK, gin.H{"sucess": false, "info": "用户名或密码不允许为空！"})
		return
	}

	//RSA解密密码
	base64Pwd, _ := base64.StdEncoding.DecodeString(pwd)
	decryptPwdByte, err := RsaUtil.RsaDecrypt(base64Pwd)
	if err != nil {
		c.JSON(http.StatusOK, gin.H{"sucess": false, "info": "用户名或密码不正确！"})
		return
	}

	//真实密码
	realPwd := string(decryptPwdByte)
	//验证密码
	if realPwd != ConfigUtil.UserPwd {
		c.JSON(http.StatusOK, gin.H{"sucess": false, "info": "用户名或密码不正确！"})
		return
	}

	//生成token
	token := CommonUtil.GetUUID()
	//将token放到redis设置30分钟过期
	RedisUtil.SET(token, "1", 1800)
	//写cookie
	c.SetCookie("token", token, 0, "/", "", false, true)

	c.JSON(http.StatusOK, gin.H{"sucess": true, "info": "登录成功！"})

}