"""Analytical drawing of recorded experimental geometry, not an app screenshot."""
from pathlib import Path
import hashlib
import json
from PIL import Image, ImageDraw, ImageFont

root = Path(__file__).resolve().parent.parent
run = root / '.local/native-qa/resize-falsifiers-a95-01'
output = run / 'obstacle-comparison.png'
assert not output.exists()
record = json.loads((run / 'case-2.json').read_bytes())
font = lambda n: ImageFont.truetype('C:/Windows/Fonts/arial.ttf', n)
canvas = Image.new('RGB', (1260, 760), '#ffffff')
draw = ImageDraw.Draw(canvas)
draw.text((30, 20), 'A capacity spill creates a blocked port exit', font=font(27), fill='#142a3b')
draw.text((30, 60), 'Recorded core geometry; cropped owner and obstacle. Port stubs only, not desktop rendering.', font=font(17), fill='#374957')
styles = [('Current', 'Current', 'Owner grows to 224 x 232'),
          ('SameSidesAdaptSpacing', 'Adaptive spacing', 'Requested owner: 224 x 160'),
          ('CapacityAware', 'Capacity-aware candidate', 'Requested owner: 224 x 160')]
for index, (policy, title, caption) in enumerate(styles):
    path = run / 'case-2-geometry' / f'obstacle-{policy}.projection.json'
    raw = path.read_bytes()
    assert hashlib.sha256(raw).hexdigest() == record['geometry'][str(path)]['sha256']
    view = json.loads(raw)
    left = 20 + index * 415
    scale = 1.2
    point = lambda x, y: (left + 70 + x * scale, 335 + y * scale)
    rect = lambda n, pad=0: (*point(n['position']['x'] - pad, n['position']['y'] - pad),
                            *point(n['position']['x'] + n['size']['width'] + pad,
                                   n['position']['y'] + n['size']['height'] + pad))
    draw.rounded_rectangle((left, 104, left + 402, 738), radius=9, outline='#c1cbd2', width=1)
    draw.text((left + 15, 116), title, font=font(20), fill='#142a3b')
    owner = next(n for n in view['nodes'] if n['id'].endswith('0028'))
    obstacle = next(n for n in view['nodes'] if n['id'].endswith('002a'))
    draw.rectangle(rect(obstacle, 12), fill='#fee7e7', outline='#d68a8a', width=1)
    draw.rectangle(rect(obstacle), fill='#dce3e9', outline='#4e6475', width=2)
    draw.text(point(17, -125), 'Unrelated obstacle', font=font(18), fill='#243c4e')
    draw.text(point(17, -99), 'Pink: 12-unit clearance', font=font(16), fill='#774040')
    draw.rectangle(rect(owner), fill='#eef7ff', outline='#205b86', width=2)
    draw.text(point(20, 30), 'Owner', font=font(19), fill='#205b86')
    bad = 0
    for port in view['ports']:
        if port['owner'] != owner['id']:
            continue
        x, y = port['position']['x'], port['position']['y']
        nx, ny = {'Left': (-1, 0), 'Right': (1, 0), 'Top': (0, -1), 'Bottom': (0, 1)}[port['side']]
        # This record's independently observed collision is retained in case-2.
        blocked = policy == 'CapacityAware' and port['element'].endswith('006a')
        bad += blocked
        color = '#bc212b' if blocked else '#205b86'
        draw.line([point(x, y), point(x + nx * 18, y + ny * 18)], fill=color, width=4 if blocked else 2)
        draw.rectangle((*point(x - 7, y - 7), *point(x + 7, y + 7)), fill='white', outline=color, width=2)
        if blocked:
            draw.text(point(129, -18), 'Blocked', font=font(17), fill=color)
    draw.text((left + 15, 650), caption, font=font(18), fill='#243c4e')
    draw.text((left + 15, 680), f'{bad} blocked stub' + ('' if bad == 1 else 's'), font=font(18), fill='#bc212b' if bad else '#205b86')
    draw.text((left + 15, 708), 'Distant connected peer is outside this crop.', font=font(14), fill='#4e6475')
canvas.save(output)
print(output)