"""
Unit Tests for PayerService
Generated test cases for service layer
"""
import pytest
from unittest.mock import Mock, patch
from src.services._service import PayerService
from src.errors.error import NotFoundError, ValidationError

@pytest.fixture
def service():
    return PayerService()

@pytest.fixture
def mock_model():
    return Mock()

class TestPayerService:
    def test_create_success(self, service, mock_model):
        """Test successful creation of """
        data = {
            "id": True,
            "payer_name": "testpayer_name",
            "payer_id": "testpayer_id",
            "payer_type": True,
            "address_line1": "testaddress_line1",
            "address_line2": "testaddress_line2",
            "city": "testcity",
            "state": "teststate",
            "zip_code": "testzip_code",
            "phone": "testphone",
            "fax": "testfax",
            "email": "testemail",
            "website": "testwebsite",
            "is_active": True,
            "priority_rank": True,
            "notes": True,
            "": True,
            "": True,
        }
        created = {**data, "id": 1}

        with patch('src.services._service.PayerModel') as mock:
            mock.create.return_value = created
            result = service.create(data)

            assert result == created
            mock.create.assert_called_once_with(data)

    def test_create_validation_error(self, service):
        """Test validation error on invalid data"""
        invalid_data = {}

        with pytest.raises(ValidationError):
            service.create(invalid_data)

    def test_find_by_id_success(self, service, mock_model):
        """Test successful retrieval by id"""
        id = 1
        found = {"id": id, "name": "Test"}

        with patch('src.services._service.PayerModel') as mock:
            mock.get.return_value = found
            result = service.find_by_id(id)

            assert result == found
            mock.get.assert_called_once_with(id)

    def test_find_by_id_not_found(self, service):
        """Test NotFoundError when  not found"""
        id = 999

        with patch('src.services._service.PayerModel') as mock:
            mock.get.return_value = None

            with pytest.raises(NotFoundError):
                service.find_by_id(id)

    def test_update_success(self, service):
        """Test successful update"""
        id = 1
        update_data = {"name": "Updated"}
        updated = {"id": id, **update_data}

        with patch('src.services._service.PayerModel') as mock:
            mock.get.return_value = {"id": id}
            mock.update.return_value = updated
            result = service.update(id, update_data)

            assert result == updated

    def test_delete_success(self, service):
        """Test successful deletion"""
        id = 1

        with patch('src.services._service.PayerModel') as mock:
            mock.get.return_value = {"id": id}
            mock.delete.return_value = True
            service.delete(id)

            mock.delete.assert_called_once_with(id)