package auth

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/gomodule/redigo/redis"
	"net/http"
	"strings"
	"shop-common/code"
	"shop-common/util"
	"shop-common/cache"
)

const (
	TokenKey = "abc123456789"
)

type Auth interface {
	Check(c *gin.Context)bool
	Decode(token string) (bool,map[string]interface{})
	User(c *gin.Context)map[string]interface{}
	Login(http *http.Request,w http.ResponseWriter,user map[string]interface{}) (bool, string, string)
	Logout(http *http.Request,w http.ResponseWriter) bool
	RefreshToken(tokenStr string) (bool, string, string)
}

func GenerateAuthDriver() *Auth {
	var authDriver Auth
	authDriver = NewJwtAuthDriver()
	return &authDriver
}

func SetOutUser(userId string) {
	c := cache.Get()
	defer c.Close()
	r, err := c.Do("SET", userId, userId)
	if err != nil {
		fmt.Println("SetOutUser err:", err, "reply:", r)
	}
}

func OutUser(userId string) bool {
	c := cache.Get()
	defer c.Close()
	b, err := redis.Bool(c.Do("EXISTS", userId))
	if err != nil {
		fmt.Println("OutUser err:", err)
		return false
	}
	return b
}

func RemoveOutUser(userId string) {
	c := cache.Get()
	defer c.Close()
	reply, err := c.Do("DEL", userId)
	if err != nil {
		fmt.Println("removeOutUser err:", err, "reply:", reply)
	}
}

func AuthHandler() gin.HandlerFunc {
	return func(c *gin.Context) {
		urlPath := c.Request.URL.Path

		if strings.Contains(urlPath,"/data/api-") && !filterUrls(urlPath){
			jwtDriver :=NewJwtAuthDriver()
			if !jwtDriver.Check(c) {
				util.ResponseFormat(c,code.TokenNotFound,"尚未登录，请登录")
				c.Abort()
				return
			}
			userM := (*jwtDriver).User(c)
			if userM == nil {
				util.ResponseFormat(c,code.TokenNotFound,"尚未登录，请登录")
				c.Abort()
				return
			}
			userId := userM["id"].(string)
			if OutUser(userId) {
				util.ResponseFormat(c,code.TokenNotFound,"尚未登录，请登录")
				c.Abort()
				return
			}
			c.Next()
		} else {
			c.Next()
		}
	}
}

func filterUrls(urlPath string) bool {
	freeArr := []string{
		"login",
		"makeVerifyCode",
		"/data/api-u/user/register",
		"/data/api-v/license",
		"/data/api-v/info/",
		"/data/api-u/area/findAreaByParentId",
		"/data/api-u/dic/findDicByType",
		"/data/api-u/user/verifyCode",
	}
	b := false
	for _,url := range freeArr {
		if strings.Contains(urlPath, url) {
			b = true
			break
		}
	}
	return b
}


func GetCurUser(c *gin.Context)map[string]interface{}{
	return (*GenerateAuthDriver()).User(c)
}