// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may
// not use this file except in compliance with the License. A copy of the
// License is located at
//
//	http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file is distributed
// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language governing
// permissions and limitations under the License.

package util

import (
	"fmt"
	"net/url"
	"os"
	"path/filepath"
	"strings"
)

func ParseEndpoint(endpoint string) (string, string, error) {
	u, err := url.Parse(endpoint)
	if err != nil {
		return "", "", fmt.Errorf("could not parse endpoint: %w", err)
	}

	addr := filepath.Join(u.Host, filepath.FromSlash(u.Path))

	scheme := strings.ToLower(u.Scheme)
	switch scheme {
	case "tcp":
	case "unix":
		addr = filepath.Join("/", addr)
		if err := os.Remove(addr); err != nil && !os.IsNotExist(err) {
			return "", "", fmt.Errorf("could not remove unix domain socket %q: %w", addr, err)
		}
	default:
		return "", "", fmt.Errorf("unsupported protocol: %s", scheme)
	}

	return scheme, addr, nil
}