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-braincore-concepts"
CONTACT_SHEET_PATH = OUTPUT_DIR / "taonier-logo-braincore-contact-sheet.png"

ITEMS = [
    ("01 极简脑洞星核", "taonier-braincore-01-minimal-braincore"),
    ("02 软方圆陶泥印记", "taonier-braincore-02-soft-square-clay-seal"),
    ("03 暖棕星核嵌入", "taonier-braincore-03-warm-brown-embedded-core"),
    ("04 轻微捏痕版本", "taonier-braincore-04-subtle-pinch-marks"),
    ("05 精品几何比例", "taonier-braincore-05-premium-geometric-balance"),
    ("06 柔软陶泥质感", "taonier-braincore-06-soft-clay-texture"),
    ("07 App 图标优先", "taonier-braincore-07-app-icon-ready"),
    ("08 商标黑白提炼", "taonier-braincore-08-trademark-monochrome-ready"),
]


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), "#eee9df")
    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="#fffdf8",
        )
        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()