from decimal import Decimal
from pathlib import Path

import pytest

from app.parsers.registry import parse_pdf
from app.parsers.validate import balance_difference

FIXTURES = Path(__file__).parent / "fixtures"
CASES = [("vr_beispiel.pdf", "vr"), ("hvb_beispiel.pdf", "hvb"),
         ("dkb_beispiel.pdf", "dkb")]


@pytest.mark.parametrize("filename,bank", CASES)
def test_parse_fixture(filename, bank):
    path = FIXTURES / filename
    if not path.exists():
        pytest.skip(f"Fixture {filename} fehlt")
    stmt = parse_pdf(path)
    assert stmt.bank == bank
    assert stmt.opening_balance is not None
    assert stmt.closing_balance is not None
    assert len(stmt.transactions) > 0
    assert balance_difference(stmt) == Decimal("0")