#!/usr/bin/env python3
"""Re-render section5 PDF -> PNG previews. Wipes stale PNGs via mavis-trash."""
from pdf2image import convert_from_path
from pathlib import Path
import subprocess

src = Path('/Users/alexandr/.mavis/plans/plan_85053139/workspace/lc-evo-deck/slides/section5-ecosystem/section5.pdf')
out = Path('/Users/alexandr/.mavis/plans/plan_85053139/workspace/lc-evo-deck/slides/section5-ecosystem/previews')
out.mkdir(parents=True, exist_ok=True)

# Move stale PNGs to trash via mavis-trash
stale = sorted(out.glob('slide-*.png'))
if stale:
    subprocess.run(['mavis-trash', *[str(p) for p in stale]], check=False)

imgs = convert_from_path(str(src), dpi=110)
for i, im in enumerate(imgs, 1):
    p = out / f'slide-{i:02d}.png'
    im.save(str(p), 'PNG')
print(f'wrote {len(imgs)} previews to {out}')