package watcher

import (
	"fmt"
	"log"
	"os"
	"os/exec"

	"github.com/fsnotify/fsnotify"
)

type NotifyIface interface {
	NewWatcher() (*fsnotify.Watcher, error)
}

type WatcherIface interface {
	Monitor(path string) error
	Listen(binaryPath, scriptPath string, outputErr chan<- error)
	Close() error
}

type DeployFunc func(binaryPath, scriptPath string) error

func Deploy(binaryPath, scriptPath string) error {
	err := execute(binaryPath, scriptPath)
	if err != nil {
		return fmt.Errorf("execute: %s", err)
	}
	log.Println("deploy done")
	return nil
}

func execute(binaryPath, scriptPath string) error {
	cmd := exec.Command(binaryPath, scriptPath)
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	if err := cmd.Run(); err != nil {
		return fmt.Errorf("cmd.Run %s", err)
	}

	return nil
}