"""Video utilities."""

import subprocess
from pathlib import Path

import click

from bin.utils import handle_errors, run_command


@click.group()
def video():
    """Video conversion commands."""
    pass


@video.command("avi-to-mp4")
@click.argument("files", nargs=-1, required=True)
@click.option("--dry-run", "-n", is_flag=True, help="Show what would be done")
@handle_errors
def avi_to_mp4(files, dry_run):
    """Convert AVI files to MP4 using ffmpeg."""
    for pattern in files:
        for avi_file in Path(".").glob(pattern):
            if avi_file.suffix.lower() != ".avi":
                continue
            output = avi_file.with_suffix(".mp4")

            if dry_run:
                click.echo(f"Would convert: {avi_file} -> {output}")
                continue

            click.echo(f"Converting: {avi_file} -> {output}")
            run_command(
                ["ffmpeg", "-i", str(avi_file), "-c:v", "libx264", "-c:a", "aac", str(output)],
                check=False,
            )