package handlers

import (
	"net/http"
	"strconv"

	"server/helper"
)

// Extends the current token's lifetime (by replacing it with a newer one).
func Refresh(writer http.ResponseWriter, request *http.Request) {
	if request.Method != "POST" {
		helper.WriteErrorJson("expected POST method", writer, http.StatusBadRequest)
		return
	}

	claims := helper.GetValidClaims(writer, request)
	if claims == nil {
		return
	}

	uid, err := strconv.Atoi(claims.Subject)
	if err != nil {
		helper.WriteInternalErrorJson(err, writer)
		return
	}
	err = helper.IssueToken(uid, writer)
	if err != nil {
		helper.WriteInternalErrorJson(err, writer)
		return
	}
}