package main

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

func Download(event PBEvent) (err error) {
	cmd := exec.Command("yt-dlp",
		"-v",
		"-o", "C:/Users/Administrator/ytdlpVideos/%(title)s.%(ext)s",
		"-f", "bestvideo[ext=mp4]+bestaudio[ext=m4a]",
		event.Record.Link)

		
	// Get the pipes for stdout and stderr
	stdout, err := cmd.StdoutPipe()
	if err != nil {
		log.Printf("Error creating StdoutPipe: %++v for cmd %++v", err, cmd)
		return err
	}
	stderr, err := cmd.StderrPipe()
	if err != nil {
		log.Printf("Error creating StderrPipe: %++v for cmd %++v", err, cmd)
		return err
	}

	err = cmd.Start()
	if err != nil {
		log.Printf("Error starting command: %++v with error %++v", cmd, err)
		return err
	}

	stdoutScanner := bufio.NewScanner(stdout)
	go func() {
		for stdoutScanner.Scan() {
			log.Printf("%s: %s", event.Record.Id, stdoutScanner.Text())
		}
	}()

	stderrScanner := bufio.NewScanner(stderr)
	go func() {
		for stderrScanner.Scan() {
			log.Printf("%s: %s", event.Record.Id, stderrScanner.Text())
		}
	}()

	err = cmd.Wait()
	if err != nil {
		exitError, ok := err.(*exec.ExitError)
		if ok {
			exitCode := exitError.ExitCode()
			log.Printf("Command exited with code %d\n", exitCode)
		} else {
			log.Printf("Error running yt-dlp: %++v; %++v", cmd, err)
			return err
		}
	}

	log.Printf("Downloaded %s (%s)", event.Record.Id, event.Record.Link)
	SetDownloaded(event)
	return nil
}