"""Usage: python convert.py <free-exercise-db checkout> [output folder]

The output folder defaults to the app's assets/exercises.
"""

import collections
import sys
from pathlib import Path

from exercise_import import run


def main() -> None:
    if len(sys.argv) < 2:
        sys.exit(__doc__)
    source = Path(sys.argv[1])
    output = Path(sys.argv[2]) if len(sys.argv) > 2 else Path(__file__).resolve().parents[2] / "assets" / "exercises"
    exercises = run(source, output)
    modes = collections.Counter(e["mode"] for e in exercises)
    size = sum(f.stat().st_size for f in (output / "images").glob("*.webp"))
    print(f"{len(exercises)} Exercises ({dict(modes)}), images {size / 1_000_000:.1f} MB -> {output}")


if __name__ == "__main__":
    main()