from __future__ import annotations

from pathlib import Path

from PIL import Image, ImageDraw, ImageFont


REPO_ROOT = Path(__file__).resolve().parents[1]
OUTPUT_DIR = REPO_ROOT / "public" / "branding" / "taonier-logo-distinctive-concepts"
CONTACT_SHEET_PATH = OUTPUT_DIR / "taonier-logo-distinctive-contact-sheet.png"

ITEMS = [
    ("01 孔雀青星核", "taonier-distinctive-01-teal-core-pop"),
    ("02 靛蓝切口", "taonier-distinctive-02-indigo-cut-mark"),
    ("03 朱砂陶火", "taonier-distinctive-03-cinnabar-clay-spark"),
    ("04 强轮廓泥符", "taonier-distinctive-04-bold-outline-token"),
    ("05 像素创作种", "taonier-distinctive-05-clay-pixel-seed"),
    ("06 动态软方圆", "taonier-distinctive-06-dynamic-squircle"),
    ("07 应用图标款", "taonier-distinctive-07-app-store-icon"),
    ("08 商标扁平符", "taonier-distinctive-08-trademark-flat-glyph"),
]


def load_font(size: int) -> ImageFont.FreeTypeFont | ImageFont.ImageFont:
    candidates = [
        Path("C:/Windows/Fonts/msyh.ttc"),
        Path("C:/Windows/Fonts/simhei.ttf"),
        Path("C:/Windows/Fonts/simsun.ttc"),
    ]
    for candidate in candidates:
        if candidate.exists():
            return ImageFont.truetype(str(candidate), size)
    return ImageFont.load_default()


def find_image(stem: str) -> Path | None:
    for extension in ("png", "webp", "jpg", "jpeg"):
        candidate = OUTPUT_DIR / f"{stem}.{extension}"
        if candidate.exists():
            return candidate
    return None


def main() -> None:
    cell_size = 300
    label_height = 58
    gap = 24
    columns = 4
    rows = 2
    width = columns * cell_size + (columns + 1) * gap
    height = rows * (cell_size + label_height) + (rows + 1) * gap

    sheet = Image.new("RGB", (width, height), "#ede8de")
    draw = ImageDraw.Draw(sheet)
    font = load_font(20)

    for index, (label, stem) in enumerate(ITEMS):
        row = index // columns
        column = index % columns
        x = gap + column * (cell_size + gap)
        y = gap + row * (cell_size + label_height + gap)

        image_path = find_image(stem)
        if image_path is None:
            continue

        source = Image.open(image_path).convert("RGB")
        thumbnail = source.resize((cell_size, cell_size), Image.Resampling.LANCZOS)
        sheet.paste(thumbnail, (x, y))

        draw.rounded_rectangle(
            (x, y + cell_size, x + cell_size, y + cell_size + label_height),
            radius=8,
            fill="#fbfaf6",
        )
        text_box = draw.textbbox((0, 0), label, font=font)
        text_x = x + (cell_size - (text_box[2] - text_box[0])) / 2
        text_y = y + cell_size + (label_height - (text_box[3] - text_box[1])) / 2 - 2
        draw.text((text_x, text_y), label, fill="#302a25", font=font)

    OUTPUT_DIR.mkdir(parents=True, exist_ok=True)
    sheet.save(CONTACT_SHEET_PATH, quality=95)
    print(CONTACT_SHEET_PATH)


if __name__ == "__main__":
    main()