package middleware

import (
	"log"
	"net/http"
	"os"
)

func EnableCors(next http.Handler) http.Handler {
	var frontent_url = os.Getenv("FRONTEND_URL")
	if frontent_url == "" {
		log.Fatal("FRONTEND_URL is not set")
	}
	log.Println("FRONTEND_URL is", frontent_url)

	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Access-Control-Allow-Origin", frontent_url)
		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, DELETE")
		w.Header().Set("Access-Control-Allow-Headers", "Authorization")

		if r.Method == "OPTIONS" {
			w.WriteHeader(http.StatusOK)
			return
		}

		next.ServeHTTP(w, r)
	})
}