package middleware

import (
	"server/common"
	"server/config"
	"server/db"
	"server/modules/backend/app"
	"server/modules/backend/values"
	"strings"

	"github.com/liangdas/mqant/log"

	"github.com/gin-gonic/gin"
)

var (
	passURLs = map[string]struct{}{
		"/account/login": {},
	}
)

// 进行token校验
func TokenMiddleWare() gin.HandlerFunc {
	return func(c *gin.Context) {

		// 检查是否排除当前url

		// exclude := regexp.MustCompile("/static/*")

		path := c.Request.RequestURI

		if PassURL(path) {
			c.Next()
			return
		}

		// 对用户的token进行校验 并对token续期
		token := c.GetHeader("token")
		one := new(values.User)
		if err := db.Redis().GetJsonData(common.GetBackendTokenKey(token), one); err != nil || one.Account == "" {
			app := app.NewApp(c)
			app.Code = values.CodeToken
			app.Msg = "登录已过期，请重新登录"
			app.Response()
			c.Abort()
			return
		}
		// if len(one.Power) > 0 {
		// 	err := json.Unmarshal([]byte(one.Power), &one.PowerMap)
		// 	if err != nil {
		// 		log.Error("err:%v", err)
		// 		app := app.NewApp(c)
		// 		app.Code = values.CodePower
		// 		app.Response()
		// 		c.Abort()
		// 		return
		// 	}
		// }
		c.Set("user", one)
		c.Next()
		// 刷新token过期时间
		defer func() {
			if token == config.GetConfig().Backend.AdminToken {
				return
			}
			err := db.Redis().Expire(common.GetBackendTokenKey(token), values.RedisTokenEx)
			if err != nil {
				log.Error(err.Error())
			}
		}()
	}
}

// PassURL 过滤url
func PassURL(path string) bool {
	index := strings.Index(path, "?")
	if index > 0 {
		path = path[:index]
	}
	_, ok := passURLs[path]
	if !ok {
		// index := strings.LastIndex(path, "/")
		// url := path[:index+1] + "*"
		// _, ok = passURLs[url]
		for k := range passURLs {
			if strings.Contains(path, k) {
				return true
			}
		}
	}
	return ok
}