package dl

import (
	"bufio"
	"log"
	"os/exec"
	"sync"
)

func List(channelId string) {
	cmd := exec.Command("yt-dlp",
		"--skip-download",
		"--force-write-archive",
		"--download-archive", "test.txt",
		channelId,
	)

	stdout, err := cmd.StdoutPipe()
	if err != nil {
		log.Fatal(err)
	}
	stderr, err := cmd.StderrPipe()
	if err != nil {
		log.Fatal(err)
	}

	log.Printf("Running yt-dlp for: %s", d.Url)

	var wg sync.WaitGroup
	wg.Add(2)

	go func() {
		defer wg.Done()
		scanner := bufio.NewScanner(stdout)
		for scanner.Scan() {
			log.Printf("%s\n", scanner.Text())
		}
	}()

	go func() {
		defer wg.Done()
		scanner := bufio.NewScanner(stderr)
		for scanner.Scan() {
			log.Printf("%s\n", scanner.Text())
		}
	}()

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

	wg.Wait()
	err = cmd.Wait()

	if err != nil {
		log.Printf("Error: %s\n", err)
	}
}