"""Gap coverage tests for low-coverage stub service modules.

Targets all services at 17-18% coverage.
"""

from typing import Any
from unittest.mock import MagicMock

import pytest


class TestGraphService:
    """Tests for GraphService stub."""

    def test_graph_service_import(self) -> None:
        """Test GraphService can be imported."""
        from tracertm.services.graph_service import GraphService

        assert GraphService is not None

    def test_graph_service_init(self) -> None:
        """Test GraphService initialization."""
        from tracertm.services.graph_service import GraphService

        service = GraphService()
        assert service.db_session is None

    def test_graph_service_init_with_session(self) -> None:
        """Test GraphService initialization with session."""
        from tracertm.services.graph_service import GraphService

        mock_session = MagicMock()
        service = GraphService(db_session=mock_session)
        assert service.db_session == mock_session

    @pytest.mark.asyncio
    async def test_graph_service_get_graph(self) -> None:
        """Test GraphService get_graph method."""
        from tracertm.services.graph_service import GraphService

        service = GraphService()
        result = await service.get_graph()

        assert isinstance(result, dict)
        assert "nodes" in result
        assert "links" in result
        assert result["nodes"] == []
        assert result["links"] == []


class TestGraphAnalysisService:
    """Tests for GraphAnalysisService stub."""

    def test_graph_analysis_service_import(self) -> None:
        """Test GraphAnalysisService can be imported."""
        from tracertm.services.graph_analysis_service import GraphAnalysisService

        assert GraphAnalysisService is not None

    def test_graph_analysis_service_init(self) -> None:
        """Test GraphAnalysisService initialization."""
        from tracertm.services.graph_analysis_service import GraphAnalysisService

        service = GraphAnalysisService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_graph_analysis_service_analyze(self) -> None:
        """Test GraphAnalysisService analyze method."""
        from tracertm.services.graph_analysis_service import GraphAnalysisService

        service = GraphAnalysisService()
        result = await service.analyze()
        assert isinstance(result, dict)


class TestHistoryService:
    """Tests for HistoryService stub."""

    def test_history_service_import(self) -> None:
        """Test HistoryService can be imported."""
        from tracertm.services.history_service import HistoryService

        assert HistoryService is not None

    def test_history_service_init(self) -> None:
        """Test HistoryService initialization."""
        from tracertm.services.history_service import HistoryService

        service = HistoryService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_history_service_get_history(self) -> None:
        """Test HistoryService get_history method."""
        from tracertm.services.history_service import HistoryService

        service = HistoryService()
        result = await service.get_history()
        assert isinstance(result, list)
        assert result == []


class TestMetricsService:
    """Tests for MetricsService stub."""

    def test_metrics_service_import(self) -> None:
        """Test MetricsService can be imported."""
        from tracertm.services.metrics_service import MetricsService

        assert MetricsService is not None

    def test_metrics_service_init(self) -> None:
        """Test MetricsService initialization."""
        from tracertm.services.metrics_service import MetricsService

        service = MetricsService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_metrics_service_collect(self) -> None:
        """Test MetricsService collect method."""
        from tracertm.services.metrics_service import MetricsService

        service = MetricsService()
        result = await service.collect()
        assert isinstance(result, dict)


class TestNotificationService:
    """Tests for NotificationService stub."""

    def test_notification_service_import(self) -> None:
        """Test NotificationService can be imported."""
        from tracertm.services.notification_service import NotificationService

        assert NotificationService is not None

    def test_notification_service_init(self) -> None:
        """Test NotificationService initialization."""
        from tracertm.services.notification_service import NotificationService

        service = NotificationService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_notification_service_notify(self) -> None:
        """Test NotificationService notify method."""
        from tracertm.services.notification_service import NotificationService

        service = NotificationService()
        result = await service.notify("test message")
        assert isinstance(result, bool)


class TestPurgeService:
    """Tests for PurgeService stub."""

    def test_purge_service_import(self) -> None:
        """Test PurgeService can be imported."""
        from tracertm.services.purge_service import PurgeService

        assert PurgeService is not None

    def test_purge_service_init(self) -> None:
        """Test PurgeService initialization."""
        from tracertm.services.purge_service import PurgeService

        service = PurgeService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_purge_service_purge(self) -> None:
        """Test PurgeService purge method."""
        from tracertm.services.purge_service import PurgeService

        service = PurgeService()
        result = await service.purge()
        assert isinstance(result, dict)


class TestRepairService:
    """Tests for RepairService stub."""

    def test_repair_service_import(self) -> None:
        """Test RepairService can be imported."""
        from tracertm.services.repair_service import RepairService

        assert RepairService is not None

    def test_repair_service_init(self) -> None:
        """Test RepairService initialization."""
        from tracertm.services.repair_service import RepairService

        service = RepairService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_repair_service_repair(self) -> None:
        """Test RepairService repair method."""
        from tracertm.services.repair_service import RepairService

        service = RepairService()
        result = await service.repair()
        assert isinstance(result, dict)


class TestStatsService:
    """Tests for StatsService stub."""

    def test_stats_service_import(self) -> None:
        """Test StatsService can be imported."""
        from tracertm.services.stats_service import StatsService

        assert StatsService is not None

    def test_stats_service_init(self) -> None:
        """Test StatsService initialization."""
        from tracertm.services.stats_service import StatsService

        service = StatsService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_stats_service_stats(self) -> None:
        """Test StatsService stats method."""
        from tracertm.services.stats_service import StatsService

        service = StatsService()
        result = await service.stats()
        assert isinstance(result, dict)
        assert "counts" in result


class TestStorageService:
    """Tests for StorageService stub."""

    def test_storage_service_import(self) -> None:
        """Test StorageService can be imported."""
        from tracertm.services.storage_service import StorageService

        assert StorageService is not None

    def test_storage_service_init(self) -> None:
        """Test StorageService initialization."""
        from tracertm.services.storage_service import StorageService

        service = StorageService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_storage_service_info(self) -> None:
        """Test StorageService info method."""
        from tracertm.services.storage_service import StorageService

        service = StorageService()
        result = await service.info()
        assert isinstance(result, dict)


class TestTraceService:
    """Tests for TraceService stub."""

    def test_trace_service_import(self) -> None:
        """Test TraceService can be imported."""
        from tracertm.services.trace_service import TraceService

        assert TraceService is not None

    def test_trace_service_init(self) -> None:
        """Test TraceService initialization."""
        from tracertm.services.trace_service import TraceService

        service = TraceService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_trace_service_trace(self) -> None:
        """Test TraceService trace method."""
        from tracertm.services.trace_service import TraceService

        service = TraceService()
        result = await service.trace()
        assert isinstance(result, dict)


class TestVerificationService:
    """Tests for VerificationService stub."""

    def test_verification_service_import(self) -> None:
        """Test VerificationService can be imported."""
        from tracertm.services.verification_service import VerificationService

        assert VerificationService is not None

    def test_verification_service_init(self) -> None:
        """Test VerificationService initialization."""
        from tracertm.services.verification_service import VerificationService

        service = VerificationService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_verification_service_verify(self) -> None:
        """Test VerificationService verify method."""
        from tracertm.services.verification_service import VerificationService

        service = VerificationService()
        result = await service.verify()
        assert isinstance(result, dict)


class TestViewService:
    """Tests for ViewService stub."""

    def test_view_service_import(self) -> None:
        """Test ViewService can be imported."""
        from tracertm.services.view_service import ViewService

        assert ViewService is not None

    def test_view_service_init(self) -> None:
        """Test ViewService initialization."""
        from tracertm.services.view_service import ViewService

        service = ViewService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_view_service_list_views(self) -> None:
        """Test ViewService list_views method."""
        from tracertm.services.view_service import ViewService

        service = ViewService()
        result = await service.list_views()
        assert isinstance(result, list)


class TestDependencyAnalysisService:
    """Tests for DependencyAnalysisService stub."""

    def test_dependency_analysis_service_import(self) -> None:
        """Test DependencyAnalysisService can be imported."""
        from tracertm.services.dependency_analysis_service import DependencyAnalysisService

        assert DependencyAnalysisService is not None

    def test_dependency_analysis_service_init(self) -> None:
        """Test DependencyAnalysisService initialization."""
        from tracertm.services.dependency_analysis_service import DependencyAnalysisService

        service = DependencyAnalysisService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_dependency_analysis_service_analyze(self) -> None:
        """Test DependencyAnalysisService analyze method."""
        from tracertm.services.dependency_analysis_service import DependencyAnalysisService

        service = DependencyAnalysisService()
        result = await service.analyze()
        assert isinstance(result, dict)


class TestDrillDownService:
    """Tests for DrillDownService stub."""

    def test_drill_down_service_import(self) -> None:
        """Test DrillDownService can be imported."""
        from tracertm.services.drill_down_service import DrillDownService

        assert DrillDownService is not None

    def test_drill_down_service_init(self) -> None:
        """Test DrillDownService initialization."""
        from tracertm.services.drill_down_service import DrillDownService

        service = DrillDownService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_drill_down_service_drill(self) -> None:
        """Test DrillDownService drill method."""
        from tracertm.services.drill_down_service import DrillDownService

        service = DrillDownService()
        result = await service.drill()
        assert isinstance(result, dict)


class TestFileWatcherService:
    """Tests for FileWatcherService stub."""

    def test_file_watcher_service_import(self) -> None:
        """Test FileWatcherService can be imported."""
        from tracertm.services.file_watcher_service import FileWatcherService

        assert FileWatcherService is not None

    def test_file_watcher_service_init(self) -> None:
        """Test FileWatcherService initialization."""
        from tracertm.services.file_watcher_service import FileWatcherService

        service = FileWatcherService()
        assert service.db_session is None

    @pytest.mark.asyncio
    async def test_file_watcher_service_watch(self, tmp_path: Any) -> None:
        """Test FileWatcherService watch method."""
        from tracertm.services.file_watcher_service import FileWatcherService

        service = FileWatcherService()
        result = await service.watch(str(tmp_path))
        assert isinstance(result, dict)


class TestIngestionService:
    """Tests for IngestionService stub."""

    def test_ingestion_service_import(self) -> None:
        """Test IngestionService can be imported."""
        from tracertm.services.ingestion_service import IngestionService

        assert IngestionService is not None

    def test_ingestion_service_init(self) -> None:
        """Test IngestionService initialization."""
        from tracertm.services.ingestion_service import IngestionService

        service = IngestionService()
        assert service.db_session is None
