# Stress-test the BoL with progressively longer notes
env = env  # noqa
import re
rep = env.ref('fusion_plating_reports.action_report_fp_bol_landscape')
dlv = env['fusion.plating.delivery'].search([], order='id desc', limit=1)
orig_notes = dlv.notes
print(f'baseline (current notes={len(orig_notes or "") } chars)')

scenarios = [
    ('empty notes',     '',                               1),
    ('one short line',  '<p>Handle with care.</p>',      1),
    ('three lines',     '<p>Line 1</p><p>Line 2</p><p>Line 3</p>',  1),
    ('ten lines',       ''.join(f'<p>Special instruction line {i}: handle with care, fragile, do not stack.</p>' for i in range(10)), 1),
    ('paragraph block', '<p>' + ('Long instructions filling the cargo description box. ' * 30) + '</p>',  1),
    ('huge block',      '<p>' + ('Very long instructions. ' * 80) + '</p>',  1),
]
print(f'\n{"scenario":<22} {"chars":<8} {"pages":<6}  signature row intact?')
print('-' * 70)
for label, notes, _ in scenarios:
    dlv.write({'notes': notes})
    pdf, _e = rep.with_context(force_report_rendering=True
        )._render_qweb_pdf(rep.report_name, [dlv.id])
    n_pages = len(re.findall(rb'/Type\s*/Page[^s]', pdf))
    # Save last for inspection
    with open(f'/tmp/bol_stress_{label.replace(" ","_")}.pdf', 'wb') as f:
        f.write(pdf)
    # Quick "intact" heuristic: if it's >1 page and the size is small,
    # likely overflowed. Real check is in pypdf locally.
    print(f'{label:<22} {len(notes):<8} {n_pages:<6}  (PDF saved)')

# Restore
dlv.write({'notes': orig_notes or False})
print('\noriginal notes restored')