"""Integration tests for agent coordination flow.

Tests the integration between ScriptAgent, EnsembleExecutor, and coordination components
to ensure proper coordination and communication across components.
"""

from collections.abc import Generator
from unittest.mock import AsyncMock, Mock, patch

import pytest

from llm_orc.core.config.ensemble_config import EnsembleConfig
from llm_orc.core.execution.artifact_manager import ArtifactManager
from llm_orc.core.execution.ensemble_execution import EnsembleExecutor


@pytest.fixture(autouse=True)
def mock_expensive_dependencies() -> Generator[None, None, None]:
    """Mock expensive dependencies for agent coordination tests."""
    with patch("llm_orc.core.execution.ensemble_execution.ConfigurationManager"):
        with patch("llm_orc.core.execution.ensemble_execution.CredentialStorage"):
            with patch("llm_orc.core.execution.ensemble_execution.ModelFactory"):
                yield


class TestAgentCoordinationFlow:
    """Integration tests for agent coordination between components."""

    @pytest.mark.skip(reason="Progress coordination features not yet implemented")
    @pytest.mark.asyncio
    async def test_script_agent_executor_progress_coordination(self) -> None:
        """Test coordination between ScriptAgent, EnsembleExecutor, ProgressController.

        This integration test verifies:
        1. ScriptAgent can be properly managed by EnsembleExecutor
        2. ProgressController receives proper updates during execution
        3. Results flow correctly between components
        4. Error handling works across component boundaries
        """
        # This test will initially fail - implementing RED phase

        # Setup ensemble config with script agent
        config = EnsembleConfig(
            name="coordination_test_ensemble",
            description="Test agent coordination flow",
            agents=[
                {
                    "name": "coordination_agent",
                    "script": 'echo \'{"status": "success", "data": "coordinated"}\'',
                    "timeout_seconds": 5,
                }
            ],
        )

        # Setup ensemble executor with mocked progress tracking
        executor = EnsembleExecutor()

        # Mock progress controller to verify coordination
        mock_progress_controller = Mock()
        mock_progress_controller.start_ensemble = AsyncMock()
        mock_progress_controller.update_agent_progress = AsyncMock()
        mock_progress_controller.complete_ensemble = AsyncMock()

        # Mock ArtifactManager to prevent real artifact creation
        mock_artifact_manager = Mock(spec=ArtifactManager)
        mock_artifact_manager.save_execution_results = Mock()

        with patch.object(executor, "_artifact_manager", mock_artifact_manager):
            with patch.object(
                executor, "_progress_controller", mock_progress_controller
            ):
                # Execute coordination flow
                result = await executor.execute(config, "test coordination input")

                # Verify basic execution worked
                assert result is not None
                assert "results" in result
                assert "coordination_agent" in result["results"]

                # Verify agent execution succeeded
                agent_result = result["results"]["coordination_agent"]
                assert agent_result["status"] == "success"

                # The response should contain our expected JSON structure
                response_data = agent_result["response"]
                assert "success" in response_data
                assert "coordinated" in response_data

                # This part tests coordination features that DON'T exist yet - RED phase
                # Verify progress controller was properly integrated and called
                mock_progress_controller.start_ensemble.assert_called_once()
                mock_progress_controller.update_agent_progress.assert_called()
                mock_progress_controller.complete_ensemble.assert_called_once()

    @pytest.mark.skip(reason="Input enhancer coordination not yet implemented")
    @pytest.mark.asyncio
    async def test_enhanced_script_agent_input_enhancer_coordination(self) -> None:
        """Test coordination between EnhancedScriptAgent and InputEnhancer.

        This test verifies:
        1. InputEnhancer properly processes agent inputs
        2. EnhancedScriptAgent receives enhanced input
        3. Execution results include enhancement metadata
        """
        # This test will initially fail - implementing RED phase
        pytest.fail(
            "EnhancedScriptAgent and InputEnhancer coordination not implemented"
        )

    @pytest.mark.skip(reason="Orchestrator coordination not yet implemented")
    @pytest.mark.asyncio
    async def test_agent_orchestrator_dependency_resolver_coordination(self) -> None:
        """Test coordination between AgentOrchestrator and DependencyResolver.

        This test verifies:
        1. DependencyResolver correctly analyzes agent dependencies
        2. AgentOrchestrator executes agents in proper order
        3. Dependency results are passed between agents
        """
        # This test will initially fail - implementing RED phase
        pytest.fail(
            "AgentOrchestrator and DependencyResolver coordination not implemented"
        )

    @pytest.mark.skip(reason="Shared state coordination not yet implemented")
    @pytest.mark.asyncio
    async def test_multi_agent_coordination_with_shared_state(self) -> None:
        """Test coordination of multiple agents sharing state through executor.

        This test verifies:
        1. Multiple agents can share execution context
        2. State mutations by one agent are visible to others
        3. Agent execution order affects shared state properly
        """
        # This test will initially fail - implementing RED phase
        pytest.fail("Multi-agent shared state coordination not implemented")

    @pytest.mark.skip(reason="Error propagation features not yet implemented")
    @pytest.mark.asyncio
    async def test_agent_coordination_error_propagation(self) -> None:
        """Test error propagation across agent coordination boundaries.

        This test verifies:
        1. Agent execution errors are properly caught by executor
        2. ProgressController receives error notifications
        3. Error details are preserved across component boundaries
        4. Cleanup happens properly after errors
        """
        # This test will initially fail - implementing RED phase
        pytest.fail("Agent coordination error propagation not implemented")
