"""Visual evidence from the actual MASM framebuffer, not a simulation."""
import hashlib
import json
from pathlib import Path

from PIL import Image, ImageDraw, ImageStat


def main():
    root = Path(__file__).resolve().parents[2]
    output = root / "build/actions"
    names = ["poker-deal", "poker-flop", "poker-turn", "poker-reveal", "poker-result",
             "blackjack-deal", "blackjack-hit", "blackjack-result"]
    sheet = Image.new("RGB", (1280, 8 // 2 * 510), "#131c1e")
    draw = ImageDraw.Draw(sheet)
    hashes = []
    for index, name in enumerate(names):
        frame = Image.open(output / f"{name}.bmp").convert("RGB")
        assert frame.size == (640, 480)
        assert len(frame.getcolors(640 * 480)) > 500, f"Missing table artwork: {name}"
        assert sum(ImageStat.Stat(frame).mean) > 30, f"Blank scene: {name}"
        assert sum(ImageStat.Stat(frame.crop((0, 444, 640, 476))).stddev) > 10, name
        hashes.append(hashlib.sha256(frame.tobytes()).hexdigest())
        x, y = (index % 2) * 640, (index // 2) * 510
        sheet.paste(frame, (x, y))
        draw.text((x + 12, y + 488), f"Native MASM / {name}", fill="#f0e5c7")
        frame.save(output / f"{name}.png")
    assert len(set(hashes)) == len(names), "Repeated/stuck render states"
    sheet.save(output / "card-tables-contact-sheet.png")
    print(json.dumps({"result": "PASS", "native_snapshots": len(names)}))


if __name__ == "__main__":
    main()