"""Pack the graphical studio ident for the MASM renderer (offline only)."""
import argparse
import json
import struct
from pathlib import Path

from PIL import Image


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("--source", type=Path, default=Path("assets/sprites/intro/eblan-games-v1.png"))
    parser.add_argument("--output", type=Path, default=Path("assets/animations/intro/eblan-games.bin"))
    args = parser.parse_args()
    image = Image.open(args.source).convert("RGB")
    if abs(image.width / image.height - 4 / 3) > 0.02:
        raise ValueError("The intro must use a 4:3 composition, not a stretched crop")
    image = image.resize((640, 480), Image.Resampling.LANCZOS).convert("RGBA")
    payload = image.tobytes("raw", "BGRA")
    args.output.parent.mkdir(parents=True, exist_ok=True)
    args.output.write_bytes(struct.pack("<4sIII", b"EBG1", 640, 480, len(payload)) + payload)
    print(json.dumps({"output": str(args.output), "size": args.output.stat().st_size}))


if __name__ == "__main__":
    main()