from pathlib import Path
import sys,json,subprocess,concurrent.futures
from PIL import Image,ImageOps,ImageDraw,ImageFont

phase=sys.argv[1] if len(sys.argv)>1 else 'final'
root=Path(__file__).resolve().parents[3]/'caterium-six-proposals-20260918'
src=root/('output/pdf' if phase=='final' else 'tmp/pdfs/'+phase)
dest=root/'tmp/pdfs'/('render-'+phase)
dest.mkdir(parents=True,exist_ok=True)
poppler=Path.home()/'.cache/codex-runtimes/codex-primary-runtime/dependencies/native/poppler/Library/bin/pdftoppm.exe'
pdfs=sorted(src.glob('*.pdf'))
def render(pdf):
    for old in dest.glob(pdf.stem+'-*.png'):old.unlink()
    subprocess.run([str(poppler),'-scale-to','1200','-png',str(pdf),str(dest/pdf.stem)],check=True,capture_output=True)
with concurrent.futures.ThreadPoolExecutor(max_workers=3) as pool:list(pool.map(render,pdfs))
font=ImageFont.truetype('C:/Windows/Fonts/arial.ttf',18)
for pdf in pdfs:
    images=sorted(dest.glob(pdf.stem+'-*.png'))
    canvas=Image.new('RGB',(360*len(images),540),'#d9ded8');draw=ImageDraw.Draw(canvas)
    for i,file in enumerate(images):
        im=Image.open(file).convert('RGB');im.thumbnail((336,484))
        canvas.paste(im,(i*360+12,34));draw.text((i*360+12,8),f'{pdf.stem} / {i+1}',font=font,fill='#15291e')
    canvas.save(dest/(pdf.stem+'-contact.jpg'),quality=94)
report=json.loads((root/'tmp/pdfs'/phase/'report.json').read_text(encoding='utf-8'))
problems=[]
for row in report:
    for p,boxes in enumerate(row['layout']):
        for i,a in enumerate(boxes):
            if a['x']<35 or a['x']+a['w']>965 or a['y']<0 or a['y']+a['h']>1405:problems.append({'id':row['id'],'page':p+1,'kind':'bounds','box':a})
            for b in boxes[i+1:]:
                if min(a['x']+a['w'],b['x']+b['w'])-max(a['x'],b['x'])>2 and min(a['y']+a['h'],b['y']+b['h'])-max(a['y'],b['y'])>2:problems.append({'id':row['id'],'page':p+1,'kind':'collision','a':a,'b':b})
(dest/'layout-problems.json').write_text(json.dumps(problems,ensure_ascii=False,indent=2),encoding='utf-8')
if phase=='final':
    overview=Image.new('RGB',(1320,1390),'#e2e6e0');draw=ImageDraw.Draw(overview)
    heading=ImageFont.truetype('C:/Windows/Fonts/arialbd.ttf',25)
    for i,row in enumerate(report):
        col=i%3;r=i//3;x=col*440+20;y=r*685+18
        draw.text((x,y),f'{i+1:02d} · {row["name"]}',font=heading,fill='#20362d')
        im=Image.open(dest/(Path(row['filename']).stem+'-1.png')).convert('RGB');im.thumbnail((400,596))
        overview.paste(im,(x,y+46))
    overview.save(root/'output'/'six-templates.png')
print(f'Rendered {len(pdfs)} PDFs. Layout problems: {len(problems)}. {dest}')