"""Test binder compilation: CRTC letter DOCX → PDF → corporate binder."""
import os
import sys
import tempfile

work = tempfile.mkdtemp(prefix="pw_binder_test_")
print(f"Work dir: {work}")

# Step 1: Generate CRTC letter DOCX
print("\n1. Generating CRTC letter DOCX...")
from scripts.document_gen.templates.crtc_letter_generator import generate_crtc_letter
docx = generate_crtc_letter(
    entity_name="E2E Test Carrier Corp.",
    incorporation_number="BC1234567",
    registered_office="329 Howe St, Vancouver, BC V6C 3N2",
    services_description="VoIP services",
    geographic_coverage="Canada-wide",
    include_bits=True,
    regulatory_contact_name="Test Director",
    director_name="Test Director",
    ca_domain="e2e-test.ca",
    output_path=os.path.join(work, "crtc_letter.docx"),
)
print(f"   DOCX: {os.path.getsize(docx)} bytes")

# Step 2: Convert to PDF via LibreOffice
print("\n2. Converting DOCX → PDF (LibreOffice)...")
ret = os.system(f"libreoffice --headless --convert-to pdf --outdir {work} {docx} >/dev/null 2>&1")
pdf_path = os.path.join(work, "crtc_letter.pdf")
if not os.path.exists(pdf_path):
    print("   FAIL: PDF not created")
    sys.exit(1)
print(f"   PDF: {os.path.getsize(pdf_path)} bytes")

# Step 3: Compile binder
print("\n3. Compiling corporate binder...")
from scripts.workers.binder_compiler import BinderCompiler
compiler = BinderCompiler()
binder = compiler.compile(
    entity_name="E2E Test Carrier Corp.",
    incorporation_number="BC1234567",
    order_number="CA-2026-BINDERTEST",
    pdf_paths=[pdf_path],
    output_dir=work,
    sections=["CRTC Notification Letter"],
)

if not binder or not os.path.exists(binder):
    print(f"   FAIL: Binder compilation returned {binder}")
    sys.exit(1)

size = os.path.getsize(binder)
print(f"   Binder: {size} bytes")

# Step 4: Verify
with open(binder, "rb") as f:
    header = f.read(5)
print(f"   PDF header: {header}")

try:
    import pikepdf
    with pikepdf.open(binder) as pdf:
        pages = len(pdf.pages)
    print(f"   Pages: {pages}")
    print(f"   Expected: cover + TOC + divider + letter = 4+ pages")
    if pages >= 4:
        print("\n   PASS: Binder compiled with all sections")
    else:
        print(f"\n   WARN: Only {pages} pages (expected 4+)")
except ImportError:
    print("   (pikepdf not available for page count)")

print(f"\n   Output: {binder}")
print("   DONE")