//go:build windows

package platform

import (
	"fmt"
	"os"
)

// GetHostsFilePath returns the absolute path to the system hosts file on Windows.
// Returns an error if the file does not exist or cannot be accessed.
func GetHostsFilePath() (string, error) {
	var path string
	if val, ok := os.LookupEnv("SystemRoot"); ok {
		path = val + "\\System32\\drivers\\etc\\hosts"
	} else {
		path = "C:\\Windows\\System32\\drivers\\etc\\hosts"
	}
	if _, err := os.Stat(path); err != nil {
		if os.IsNotExist(err) {
			return "", fmt.Errorf("file does not exist: %s", path)
		}
		return "", fmt.Errorf("accessing hosts file: %w", err)
	}
	return path, nil
}