package main

import (
	"log"
	"os"
	"time"

	"github.com/gopxl/beep/v2"
	"github.com/gopxl/beep/v2/mp3"
	"github.com/gopxl/beep/v2/speaker"
)

func main() {

	// open mp3 file and report error if it happens
	fileName := os.Args[1]
	f, err := os.Open(fileName)
	if err != nil {
		log.Fatal(err)
	}

	streamer, format, err := mp3.Decode(f)
	if err != nil {
		log.Fatal(err)
	}

	defer streamer.Close()

	speaker.Init(format.SampleRate, format.SampleRate.N(time.Second/10))

	done := make(chan bool)
	speaker.Play(beep.Seq(streamer, beep.Callback(func() {
		done <- true
	})))

	<-done
}