#!/bin/sh
# 9001-wallpaper.hook.chroot — generate /usr/share/bee/wallpaper.png inside chroot
set -e
echo "=== generating bee wallpaper ==="
mkdir -p /usr/share/bee

python3 - <<'PYEOF'
from PIL import Image, ImageDraw, ImageFont
import os

W, H = 1920, 1080

LOGO = """\
  \u2588\u2588\u2588\u2588\u2588\u2588\u2557 \u2588\u2588\u2588\u2588\u2588\u2557 \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557\u2588\u2588\u2557   \u2588\u2588\u2557      \u2588\u2588\u2588\u2588\u2588\u2588\u2557 \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557
  \u2588\u2588\u2554\u2550\u2550\u2550\u2550\u255d\u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2557\u2588\u2588\u2554\u2550\u2550\u2550\u2550\u255d\u255a\u2588\u2588\u2557 \u2588\u2588\u2554\u255d      \u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2557\u2588\u2588\u2554\u2550\u2550\u2550\u2550\u255d\u2588\u2588\u2554\u2550\u2550\u2550\u2550\u255d
  \u2588\u2588\u2588\u2588\u2588\u2557  \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2551\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557 \u255a\u2588\u2588\u2588\u2588\u2554\u255d \u2588\u2588\u2588\u2588\u2588\u2557\u2588\u2588\u2588\u2588\u2588\u2588\u2554\u255d\u2588\u2588\u2588\u2588\u2588\u2557  \u2588\u2588\u2588\u2588\u2588\u2557
  \u2588\u2588\u2554\u2550\u2550\u255d  \u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2551\u255a\u2550\u2550\u2550\u2550\u2588\u2588\u2551  \u255a\u2588\u2588\u2554\u255d  \u255a\u2550\u2550\u2550\u2550\u255d\u2588\u2588\u2554\u2550\u2550\u2588\u2588\u2557\u2588\u2588\u2554\u2550\u2550\u255d  \u2588\u2588\u2554\u2550\u2550\u255d
  \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557\u2588\u2588\u2551  \u2588\u2588\u2551\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2551   \u2588\u2588\u2551         \u2588\u2588\u2588\u2588\u2588\u2588\u2554\u255d\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2557
  \u255a\u2550\u2550\u2550\u2550\u2550\u2550\u255d\u255a\u2550\u255d  \u255a\u2550\u255d\u255a\u2550\u2550\u2550\u2550\u2550\u2550\u255d   \u255a\u2550\u255d         \u255a\u2550\u2550\u2550\u2550\u2550\u255d \u255a\u2550\u2550\u2550\u2550\u2550\u2550\u255d\u255a\u2550\u2550\u2550\u2550\u2550\u2550\u255d
  Hardware Audit LiveCD"""

# Find a monospace font that supports box-drawing characters
FONT_CANDIDATES = [
    '/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf',
    '/usr/share/fonts/truetype/liberation/LiberationMono-Regular.ttf',
    '/usr/share/fonts/truetype/freefont/FreeMono.ttf',
    '/usr/share/fonts/truetype/noto/NotoMono-Regular.ttf',
]

font_path = None
for p in FONT_CANDIDATES:
    if os.path.exists(p):
        font_path = p
        break

SIZE = 22
if font_path:
    font_logo = ImageFont.truetype(font_path, SIZE)
    font_sub  = ImageFont.truetype(font_path, SIZE)
else:
    font_logo = ImageFont.load_default()
    font_sub  = font_logo

img  = Image.new('RGB', (W, H), (0, 0, 0))
draw = ImageDraw.Draw(img)

# Measure logo block line by line to avoid font ascender offset
lines = LOGO.split('\n')
logo_lines = lines[:6]
sub_line   = lines[6] if len(lines) > 6 else ''

line_h = SIZE + 2
block_h = len(logo_lines) * line_h + 8 + (SIZE if sub_line else 0)

# Width: measure the widest logo line
max_w = 0
for line in logo_lines:
    bb = draw.textbbox((0, 0), line, font=font_logo)
    max_w = max(max_w, bb[2] - bb[0])

x = (W - max_w) // 2
y = (H - block_h) // 2

cy = y
for line in logo_lines:
    draw.text((x, cy), line, font=font_logo, fill=(0xf6, 0xc9, 0x0e))
    cy += line_h
cy += 8
if sub_line:
    draw.text((x, cy), sub_line, font=font_sub, fill=(0x80, 0x68, 0x18))

img.save('/usr/share/bee/wallpaper.png', optimize=True)
print('wallpaper written: /usr/share/bee/wallpaper.png')
PYEOF

echo "=== wallpaper done ==="