import re

import pytest
from pydantic import ValidationError

from src.models import B4wExport, Category
from tests.factories import B4wExportFactory


def test_b4w_export_simple():
    data = B4wExportFactory.build()
    assert isinstance(data, B4wExport)


def test_b4w_export_category():
    data = B4wExportFactory.build(Category="fun:stuff")
    assert isinstance(data.category, Category)
    assert data.category.to_str() == "fun:stuff"


def test_b4w_export_account_iban_invalid():
    with pytest.raises(ValidationError):
        _ = B4wExportFactory.build(OwnrAcctIBAN="not an IBAN")


def test_b4w_export_account_iban_to_long():
    with pytest.raises(ValidationError):
        _ = B4wExportFactory.build(OwnrAcctIBAN="DE990123456789012345678901234567890")


def test_b4w_export_account_iban_to_short():
    with pytest.raises(ValidationError):
        _ = B4wExportFactory.build(OwnrAcctIBAN="DE123")


def test_b4w_export_other_iban_empty_is_none():
    data = B4wExportFactory.build(RmtdAcctIBAN="")
    assert data.other_iban is None


def test_b4w_export_other_iban_blank_is_none():
    data = B4wExportFactory.build(RmtdAcctIBAN="   ")
    assert data.other_iban is None


def test_b4w_export_other_iban_invalid():
    with pytest.raises(ValidationError):
        _ = B4wExportFactory.build(RmtdAcctIBAN="not an IBAN")


def test_b4w_export_other_iban_repr_round_trip_empty():
    data = B4wExportFactory.build(RmtdAcctIBAN="")
    data2 = eval(str(data))
    assert data == data2


def test_b4w_export_parameters_to_dict():
    data = B4wExportFactory.build()
    params = data.parameters_to_dict()
    expected = sorted(field.alias for field in B4wExport.model_fields.values())
    assert sorted(params) == expected
    assert "OwnrAcctCcy" in params
    assert all(isinstance(value, str) for value in params.values())


def test_b4w_export_parameters_to_str():
    data = B4wExportFactory.build()
    params = data.parameters_to_str()
    components = [s.strip() for s in re.split(r",\s*(?=\w+=)", params)]
    param_names = [component.split("=")[0].strip() for component in components]
    param_values = [component.split("=")[1].strip() for component in components]
    assert "OwnrAcctCcy" in param_names
    assert all(s.startswith("'") and s.endswith("'") for s in param_values)


def test_b4w_export_repr_round_trip():
    data_batch = B4wExportFactory.batch(size=10)
    assert isinstance(data_batch, list)
    for data in data_batch:
        data_str = str(data)
        data2 = eval(data_str)
        assert data == data2


def test_b4w_export_amount_two_decimal_places():
    data = B4wExportFactory.build()
    assert data.amount > 0
    assert data.amount.as_tuple().exponent >= -2


def test_b4w_export_text_fields_non_empty():
    data = B4wExportFactory.build()
    assert data.reference
    assert data.notes