package main

import (
	"fmt"
	"log"
	"os"

	"github.com/fsnotify/fsnotify"
)

func main() {
	watcher, err := fsnotify.NewWatcher()
	if err != nil {
		log.Fatal(err)
	}
	defer watcher.Close()

	done := make(chan bool)
	go func() {
		for {
			select {
			case event, ok := <-watcher.Events:
				if !ok {
					return
				}
				log.Println("event:", event)
				if event.Op&fsnotify.Write == fsnotify.Write {
					log.Println("modified file:", event.Name)
				}
			case err, ok := <-watcher.Errors:
				if !ok {
					return
				}
				log.Println("error:", err)
			}
		}
	}()

	// will need to recursively watch for myself, including adding watchers for new directories D:

	// check out filepath.Walk

	for _, path := range os.Args[1:] {
		err = watcher.Add(path)
		if err != nil {
			log.Fatal(err)
		}

	}
	<-done

	fmt.Println("hmm")
}