package middleware

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

func EnableCors(next http.Handler) http.Handler {
	var base_url = os.Getenv("BASE_URL")
	if base_url == "" {
		log.Fatal("BASE_URL is not set")
	}
	slog.Info("BASE_URL is " + base_url)

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

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

		next.ServeHTTP(w, r)
	})
}