from datetime import date, datetime, timedelta

from app.extensions import db
from app.models.company import Company
from app.models.invoice import Invoice, InvoiceStatus, InvoiceType


def test_dashboard_recent_invoices_uses_10_items_per_page(auth_client, app):
    with app.app_context():
        company = Company.query.first()
        now = datetime.utcnow()
        for index in range(12):
            invoice = Invoice(
                company_id=company.id,
                ksef_number=f'KSEF-DASH-{index}',
                invoice_number=f'FV/DASH/{index}',
                contractor_name=f'Kontrahent {index}',
                issue_date=date(2026, 3, 12) - timedelta(days=index),
                received_date=date(2026, 3, 12) - timedelta(days=index),
                net_amount=100 + index,
                vat_amount=23,
                gross_amount=123 + index,
                invoice_type=InvoiceType.PURCHASE,
                status=InvoiceStatus.NEW,
                source='ksef',
                created_at=now - timedelta(minutes=index),
            )
            db.session.add(invoice)
        db.session.commit()

    response_page_1 = auth_client.get('/')
    assert response_page_1.status_code == 200
    assert response_page_1.data.count(b'btn btn-outline-primary">Szczeg') == 10
    assert b'FV/DASH/0' in response_page_1.data
    assert b'FV/DASH/9' in response_page_1.data
    assert b'FV/DASH/10' not in response_page_1.data
    assert b'FV/DASH/11' not in response_page_1.data
    assert b'dashboard_page=2' in response_page_1.data

    response_page_2 = auth_client.get('/?dashboard_page=2')
    assert response_page_2.status_code == 200
    assert response_page_2.data.count(b'btn btn-outline-primary">Szczeg') == 2
    assert b'FV/DASH/10' in response_page_2.data
    assert b'FV/DASH/11' in response_page_2.data
    assert b'FV/DASH/9' not in response_page_2.data