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

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

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

class TestClaimService:
    def test_create_success(self, service, mock_model):
        """Test successful creation of """
        data = {
            "id": True,
            "claim_number": "testclaim_number",
            "patient_id": True,
            "audio_recording_id": True,
            "transcript_id": True,
            "payer_id": True,
            "encounter_id": "testencounter_id",
            "service_date": True,
            "created_by_user_id": True,
            "status": True,
            "claim_type": True,
            "diagnosis_codes": True,
            "procedure_codes": True,
            "modifiers": True,
            "mdm_level": True,
            "medical_necessity_justification": True,
            "total_charge_amount": True,
            "expected_reimbursement": True,
            "actual_reimbursement": True,
            "scrubbing_status": True,
            "scrubbing_results": True,
            "scrubbing_failures": True,
            "corrective_actions": True,
            "confidence_score": True,
            "is_template_based": True,
            "template_id": True,
            "reviewed_by_user_id": True,
            "reviewed_at": True,
            "submitted_at": True,
            "paid_at": True,
            "denial_reason": True,
            "denial_code": "testdenial_code",
            "notes": True,
            "": True,
            "": True,
        }
        created = {**data, "id": 1}

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

            mock.delete.assert_called_once_with(id)