import gradio as gr
from pytube import YouTube
import os
from pydub import AudioSegment
import ffmpeg


def convert_to_embed_url(youtube_url):
    if "youtube.com/watch?v=" in youtube_url:
        video_id = youtube_url.split("v=")[1].split("&")[0]
    elif "youtu.be/" in youtube_url:
        video_id = youtube_url.split("youtu.be/")[1].split("?")[0]
    else:
        return ""
    embed_url = f"https://www.youtube.com/embed/{video_id}"
    return f'<iframe width="100%" height="200" src="{embed_url}" style="border-radius:10px"></iframe>'

def download_audio_from_youtube(video_url):
    try:
        yt = YouTube(video_url)
        audio_stream = yt.streams.filter(only_audio=True).first()
        downloaded_file = audio_stream.download(".")
        base, ext = os.path.splitext(downloaded_file)
        mp3_file = base + '.mp3'
        AudioSegment.from_file(downloaded_file).export(mp3_file, format='mp3')
        os.remove(downloaded_file)
        return base
    except Exception as e:
        gr.Error(f"An error occurred: {e}")

def convert_video_to_audio(input_file):
    output_file = "audio.mp3"
    try:
        (
            ffmpeg
            .input(input_file)
            .output(output_file)
            .run()
        )
        return output_file
    except ffmpeg.Error as e:
        gr.Error(f"An error occurred: {e}")