"""One-off: generate PNGs under unpackage/res/icons for manifest.json paths."""
from pathlib import Path

from PIL import Image, ImageDraw

ROOT = Path(__file__).resolve().parents[1]
# 勿放 unpackage/（.gitignore），否则云端/他人拉代码后 HBuilder 仍报图标不存在
OUT = ROOT / "static" / "app-icons"

BG = (0x4A, 0x6B, 0xCF)
ACCENT = (0xFF, 0xFF, 0xFF)

SIZES = {
    "72x72.png": 72,
    "96x96.png": 96,
    "144x144.png": 144,
    "192x192.png": 192,
    "1024x1024.png": 1024,
    "76x76.png": 76,
    "152x152.png": 152,
    "20x20.png": 20,
    "40x40.png": 40,
    "167x167.png": 167,
    "29x29.png": 29,
    "58x58.png": 58,
    "80x80.png": 80,
    "120x120.png": 120,
    "180x180.png": 180,
    "60x60.png": 60,
    "87x87.png": 87,
}


def main() -> None:
    OUT.mkdir(parents=True, exist_ok=True)
    for fname, w in SIZES.items():
        h = w
        im = Image.new("RGB", (w, h), BG)
        draw = ImageDraw.Draw(im)
        margin = max(1, w // 8)
        draw.ellipse(
            [margin, margin, w - margin, h - margin],
            outline=ACCENT,
            width=max(1, w // 32),
        )
        if w >= 48:
            r = w // 5
            cx, cy = w // 2, h // 2
            draw.ellipse([cx - r, cy - r, cx + r, cy + r], fill=ACCENT)
        im.save(OUT / fname, format="PNG", optimize=True)
    print("wrote", len(SIZES), "icons to", OUT)


if __name__ == "__main__":
    main()