"""Unit tests for feature_flag logic."""

from unittest.mock import Mock
from unittest.mock import patch

import pytest

from src.logic import feature_flag


@pytest.mark.parametrize(
    'complete_product,test_description',
    [
        ({}, 'no label key'),
        ({'label': None}, 'label is None'),
        ({'label': {}}, 'label is empty dict'),
        ({'label': {'vendor_id': None}}, 'vendor_id is None'),
        ({'label': {'vendor_id': 0}}, 'vendor_id is 0'),
        ({'label': {'subaccount_id': '67890'}}, 'no vendor_id, only subaccount_id'),
    ]
)
@patch('src.logic.feature_flag.get_single_feature_by_attributes')
def test_is_eligible_for_auto_approval_returns_false(
    mock_get_feature,
    complete_product,
    test_description
):
    """Test is_eligible_for_auto_approval returns False without calling feature flag."""
    result = feature_flag.is_eligible_for_auto_approval(complete_product)

    assert result is False
    mock_get_feature.assert_not_called()


@pytest.mark.parametrize(
    'complete_product,expected_attributes,feature_flag_value,expected_result',
    [
        (
            {'label': {'vendor_id': '12345'}},
            {'vendor_id': '12345'},
            'enabled',
            True,
        ),
        (
            {'label': {'vendor_id': '12345'}},
            {'vendor_id': '12345'},
            'disabled',
            False,
        ),
        (
            {'label': {'vendor_id': '12345', 'subaccount_id': None}},
            {'vendor_id': '12345'},
            'enabled',
            True,
        ),
        (
            {'label': {'vendor_id': '12345', 'subaccount_id': 0}},
            {'vendor_id': '12345'},
            'enabled',
            True,
        ),
        (
            {'label': {'vendor_id': '12345', 'subaccount_id': '67890'}},
            {'vendor_id': '12345', 'subaccount_id': '67890'},
            'enabled',
            True,
        ),
        (
            {'label': {'vendor_id': '12345', 'subaccount_id': '67890'}},
            {'vendor_id': '12345', 'subaccount_id': '67890'},
            'disabled',
            False,
        ),
    ]
)
@patch('src.logic.feature_flag.get_single_feature_by_attributes')
def test_is_eligible_for_auto_approval(
    mock_get_feature,
    complete_product,
    expected_attributes,
    feature_flag_value,
    expected_result
):
    """Test is_eligible_for_auto_approval calls feature flag and returns correct result."""
    mock_result = Mock()
    mock_result.message = feature_flag_value
    mock_get_feature.return_value = mock_result

    result = feature_flag.is_eligible_for_auto_approval(complete_product)

    assert result is expected_result
    mock_get_feature.assert_called_once_with(
        feature_flag.config.AUTO_APPROVAL_FF_NAME,
        expected_attributes
    )