package main

import (
	"flag"
	"log"
	"net/http"
	"os"
	"time"

	"segmento/internal/segment"
)

func main() {
	// TODO accept some flags with:
	// URL - source of stream
	// TargetLength - length of segments in seconds
	// Output
	//   -d some_dir/ => output playlist and chunks to this directory, cleaning up old files from time to time.
	//   -b 0.0.0.0:3000 => serve playlist and chunks from an HTTP server bound to this address

	var url string
	flag.StringVar(&url, "url", "", "URL of MP3 stream")

	flag.Parse()

	if url == "" {
		log.Println("Invalid arguments")
		flag.PrintDefaults()
		os.Exit(-1)
	}

	client := &http.Client{}
	resp, err := client.Get(url)

	if err != nil {
		log.Fatal(err)
	}

	defer resp.Body.Close()

	segmenter := segment.NewMP3HTTPSegmenter()
	segments, err := segmenter.Segment(resp.Body)
	if err != nil {
		log.Fatal(err)
	}

	go func() {
		for s := range segments {
			log.Println("got segment with duration", s.Duration(), "and len", s.Len(), "bytes")
		}
	}()

	time.Sleep(10 * time.Second)

	log.Println("exiting")
}