// Copyright 2025.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License 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 ui

import (
	"net"
	"sort"
)

// GetNetworkInterfaces returns a list of available network interface names
func GetNetworkInterfaces() []string {
	interfaces, err := net.Interfaces()
	if err != nil {
		return []string{}
	}

	var names []string
	for _, iface := range interfaces {
		// Skip down interfaces and loopback for cleaner list
		if iface.Flags&net.FlagUp != 0 {
			names = append(names, iface.Name)
		}
	}

	sort.Strings(names)
	return names
}