package middleware

import (
	"net/http"
	//"strings"
)

func CORS(allowedOrigins []string) func(next http.Handler) http.Handler {
	return func(next http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			origin := r.Header.Get("Origin")
			
			// Проверяем разрешен ли origin
			allowed := false
			for _, o := range allowedOrigins {
				if o == "*" || o == origin {
					allowed = true
					break
				}
			}
			
			if allowed {
				w.Header().Set("Access-Control-Allow-Origin", origin)
			}
			
			w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
			w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
			w.Header().Set("Access-Control-Allow-Credentials", "true")
			
			if r.Method == "OPTIONS" {
				w.WriteHeader(http.StatusOK)
				return
			}
			
			next.ServeHTTP(w, r)
		})
	}
}