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path: root/cogs/music/media_processing.py
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# This file is part of Senator Sperma
# Licensed under the GPL-3.0 License
# Copyright (C) 2026 Salmonik @ salmonik@tuta.io
# https://codeberg.org/salmonik/senator-sperma

import asyncio
import logging
import os

import yt_dlp
from youtubesearchpython import VideosSearch

logger = logging.getLogger(__name__)


class MediaDownloader:
    """Handles downloading media from various sources."""

    @staticmethod
    async def download(ctx, url):
        """Download audio from YouTube URL."""
        # Create temp directory if it doesn't exist
        temp_dir = os.path.join("cogs", "temp", "music")
        os.makedirs(temp_dir, exist_ok=True)

        ytdl_opts = {
            "outtmpl": os.path.join(temp_dir, "%(title)s.%(ext)s"),
            "postprocessors": [
                {
                    "key": "FFmpegExtractAudio",
                    "preferredcodec": "mp3",
                    "preferredquality": "192",
                }
            ],
            "force_ipv4": True,
        }

        try:
            with yt_dlp.YoutubeDL(ytdl_opts) as ydl:
                info_dict = ydl.extract_info(url, download=True)
                # Get the base filename without extension
                base_filename = os.path.splitext(ydl.prepare_filename(info_dict))[0]
                # Add .mp3 extension since we're extracting audio
                filename = f"{base_filename}.mp3"
                logger.info(f"Downloaded file: {filename}")
                return filename
        except Exception as e:
            logger.error(f"Error downloading video: {e}")
            await ctx.respond("eror pobirajync wideło", ephemeral=True)

    @staticmethod
    async def get_url(ctx, query):
        """Search YouTube and get URL for a query."""
        search = VideosSearch(query, limit=1)
        if search.result()["result"]:
            title = search.result()["result"][0]["title"]
            url = search.result()["result"][0]["link"]
            logger.info(f"Found video: {title}")
            return url, title
        else:
            logger.warning("No results found for the query.")
            await ctx.respond("nic ni ma", ephemeral=True)
            return None


class AudioCompressor:
    """Handles audio compression using FFmpeg."""

    @staticmethod
    async def compress(ctx, filename):
        """Compress audio file to opus format."""
        if not filename:
            await ctx.respond("dzie wideło", ephemeral=True)
            return None

        # Create temp directory if it doesn't exist
        temp_dir = os.path.join(
            os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
            "temp",
            "compressed",
        )
        os.makedirs(temp_dir, exist_ok=True)

        # Create a temporary output filename in the temp directory
        base_name = os.path.basename(filename)
        output_filename = os.path.join(
            temp_dir, f"{os.path.splitext(base_name)[0]}_compressed.opus"
        )

        # Ensure the output directory exists
        os.makedirs(os.path.dirname(output_filename) or ".", exist_ok=True)

        # Use proper quoting for filenames with spaces
        ffmpeg_command = [
            "ffmpeg",
            "-y",  # Overwrite output file if it exists
            "-i",
            filename,
            "-ac",
            "1",  # Mono audio
            "-b:a",
            "500",  # 500k bitrate
            "-acodec",
            "libopus",
            output_filename,
        ]

        try:
            logger.info(f"Running FFmpeg command: {' '.join(ffmpeg_command)}")
            process = await asyncio.create_subprocess_exec(
                *ffmpeg_command,
                stdout=asyncio.subprocess.PIPE,
                stderr=asyncio.subprocess.PIPE,
            )

            _, stderr = await process.communicate()

            if process.returncode != 0:
                error_msg = stderr.decode()
                logger.error(f"FFmpeg error ({process.returncode}): {error_msg}")
                await ctx.respond("eror kompresujync pilk", ephemeral=True)
                return None

            if not os.path.exists(output_filename):
                logger.error(f"Output file was not created: {output_filename}")
                await ctx.respond(
                    "eror kompresujync pilk - output file not created", ephemeral=True
                )
                return None

            logger.info(f"Successfully compressed file: {output_filename}")
            return output_filename

        except Exception as e:
            logger.error(f"Error compressing file: {str(e)}", exc_info=True)
            await ctx.respond(f"eror kompresujync pilk: {str(e)}", ephemeral=True)
            return None