package main

import (
	"fmt"
	"os"
	"os/exec"
)

func SwitchBindConfig(source, target string) error {
	input, err := os.ReadFile(source)
	if err != nil {
		return fmt.Errorf("read source config: %w", err)
	}

	err = os.WriteFile(target, input, 0o644)
	if err != nil {
		return fmt.Errorf("write active config: %w", err)
	}

	cmd := exec.Command("rndc", "reload")
	err = cmd.Run()
	if err != nil {
		return fmt.Errorf("reload bind: %w", err)
	}

	return nil
}