"""
Integration tests for Timeline feature

Tests the timeline feature integration with the rest of ARF.
"""

import pytest
from unittest.mock import Mock, patch, AsyncMock

# Import your components (adjust paths as needed)
# from app import (
#     TimelineCalculator,
#     TimelineFormatter,
#     BusinessMetricsTracker,
#     EnhancedReliabilityEngine
# )


class TestTimelineGradioIntegration:
    """Test timeline integration with Gradio UI"""
    
    @pytest.fixture
    def mock_gradio_components(self):
        """Mock Gradio UI components"""
        # TODO: Create mock components for testing
        pass
    
    def test_timeline_display_updates_on_submit(self):
        """Test that timeline display updates when event is submitted"""
        # TODO: Submit event → Verify timeline updates
        pass
    
    def test_timeline_metrics_update_on_submit(self):
        """Test that timeline metrics boxes update"""
        # TODO: Verify time_saved, cost_saved, speed displays update
        pass
    
    def test_timeline_accordion_expansion(self):
        """Test that timeline accordion can expand/collapse"""
        # TODO: Verify accordion functionality
        pass
    
    def test_timeline_with_demo_scenarios(self):
        """Test timeline works with pre-configured demo scenarios"""
        # TODO: Select demo scenario → Submit → Verify timeline
        pass
    
    def test_timeline_persists_across_submissions(self):
        """Test that timeline updates with each new submission"""
        # TODO: Multiple submissions should show latest timeline
        pass


class TestTimelineWithROIDashboard:
    """Test timeline feature interaction with ROI dashboard"""
    
    def test_timeline_and_roi_both_update(self):
        """Test that both timeline and ROI update on submission"""
        # TODO: Verify both features update correctly
        pass
    
    def test_timeline_cost_matches_roi_savings(self):
        """Test that timeline cost savings align with ROI metrics"""
        # TODO: Numbers should be consistent
        pass
    
    def test_reset_metrics_affects_timeline(self):
        """Test that reset button affects timeline calculations"""
        # TODO: Reset → Timeline should reset too
        pass


class TestTimelineWithBusinessMetrics:
    """Test timeline integration with business metrics tracker"""
    
    @pytest.fixture
    def metrics_tracker(self):
        """Create BusinessMetricsTracker for testing"""
        # TODO: Initialize tracker
        pass
    
    def test_timeline_uses_business_metrics(self, metrics_tracker):
        """Test that timeline calculations use business metrics"""
        # TODO: Verify cost_per_minute from business context
        pass
    
    def test_timeline_records_to_metrics_tracker(self):
        """Test that timeline calculations are tracked"""
        # TODO: Verify incidents recorded with timeline data
        pass


class TestTimelineWithMultiAgentSystem:
    """Test timeline with multi-agent analysis"""
    
    def test_timeline_reflects_agent_performance(self):
        """Test that timeline shows actual agent response times"""
        # TODO: If agents are slow, timeline should reflect it
        pass
    
    def test_timeline_severity_matches_agents(self):
        """Test that timeline uses severity from agents"""
        # TODO: Agent determines CRITICAL → Timeline uses CRITICAL times
        pass
    
    def test_timeline_with_failed_agent_analysis(self):
        """Test timeline behavior when agents fail"""
        # TODO: Should still calculate with defaults
        pass


class TestTimelinePerformance:
    """Test performance characteristics of timeline feature"""
    
    def test_timeline_calculation_speed(self):
        """Test that timeline calculations are fast"""
        # TODO: Should complete in < 100ms
        pass
    
    def test_timeline_formatting_speed(self):
        """Test that formatting is fast"""
        # TODO: Should complete in < 50ms
        pass
    
    def test_timeline_memory_usage(self):
        """Test that timeline doesn't leak memory"""
        # TODO: Multiple calculations shouldn't grow memory
        pass
    
    def test_timeline_with_many_incidents(self):
        """Test timeline performance with high volume"""
        # TODO: 100+ incidents shouldn't slow down
        pass


class TestTimelineErrorHandling:
    """Test error handling in timeline feature"""
    
    def test_timeline_with_invalid_metrics(self):
        """Test timeline handles invalid input gracefully"""
        # TODO: Bad data shouldn't crash app
        pass
    
    def test_timeline_with_missing_data(self):
        """Test timeline works with incomplete data"""
        # TODO: Should use defaults for missing values
        pass
    
    def test_timeline_with_extreme_values(self):
        """Test timeline handles extreme values"""
        # TODO: Very large/small numbers shouldn't break
        pass
    
    def test_timeline_logging_on_error(self):
        """Test that errors are logged appropriately"""
        # TODO: Verify logger is called on errors
        pass


# End-to-end test
@pytest.mark.asyncio
async def test_complete_timeline_flow():
    """Test complete flow from incident to timeline display"""
    # TODO: 
    # 1. Create incident event
    # 2. Submit to engine
    # 3. Calculate timeline
    # 4. Format display
    # 5. Verify all components updated
    pass


# Performance benchmark
@pytest.mark.benchmark
def test_timeline_benchmark(benchmark):
    """Benchmark timeline calculation performance"""
    # TODO: Use pytest-benchmark to measure performance
    pass