package jwt

import (
	"demo/internal/app"
	"demo/internal/util"
	"github.com/dgrijalva/jwt-go"
	"github.com/gogf/gf/v2/net/ghttp"
)

//r *ghttp.Request
func JWT(r *ghttp.Request) {
	var code int
	var data interface{}

	code = app.SUCCESS
	Authorization := r.GetHeader("token")
	token := Authorization
	if Authorization == "" {
		code = app.INVALID_PARAMS
	} else {
		_, err := util.ParseToken(token)
		if err != nil {
			switch err.(*jwt.ValidationError).Errors {
			case jwt.ValidationErrorExpired:
				code = app.ERROR_AUTH_CHECK_TOKEN_TIMEOUT
			default:
				code = app.ERROR_AUTH_CHECK_TOKEN_FAIL
			}
		}
	}

	if code != app.SUCCESS {
		r.Response.WriteJson(map[string]interface{}{
			"code": code,
			"msg":  "登录超时",
			"data": data,
		})
		return
	}

	t, _ := jwt.Parse(token, func(*jwt.Token) (interface{}, error) {
		return util.JwtSecret, nil
	})

	//r.Context().Value()

	//r.Context().Value("jwt_username") = util.GetIdFromClaims("username", t.Claims)
	//r.Set
	r.SetCtxVar("jwt_username", util.GetIdFromClaims("username", t.Claims))
	r.Middleware.Next()
}