"""Tests for Mission Control dashboard.

TDD approach: Tests written first, then implementation.
"""

import pytest
from unittest.mock import patch, MagicMock


class TestSovereigntyEndpoint:
    """Tests for /health/sovereignty endpoint."""
    
    def test_sovereignty_returns_overall_score(self, client):
        """Should return overall sovereignty score."""
        response = client.get("/health/sovereignty")
        assert response.status_code == 200
        
        data = response.json()
        assert "overall_score" in data
        assert isinstance(data["overall_score"], (int, float))
        assert 0 <= data["overall_score"] <= 10
    
    def test_sovereignty_returns_dependencies(self, client):
        """Should return list of dependencies with status."""
        response = client.get("/health/sovereignty")
        assert response.status_code == 200
        
        data = response.json()
        assert "dependencies" in data
        assert isinstance(data["dependencies"], list)
        
        # Check required fields for each dependency
        for dep in data["dependencies"]:
            assert "name" in dep
            assert "status" in dep  # "healthy", "degraded", "unavailable"
            assert "sovereignty_score" in dep
            assert "details" in dep
    
    def test_sovereignty_returns_recommendations(self, client):
        """Should return recommendations list."""
        response = client.get("/health/sovereignty")
        assert response.status_code == 200
        
        data = response.json()
        assert "recommendations" in data
        assert isinstance(data["recommendations"], list)
    
    def test_sovereignty_includes_timestamps(self, client):
        """Should include timestamp."""
        response = client.get("/health/sovereignty")
        assert response.status_code == 200
        
        data = response.json()
        assert "timestamp" in data


class TestMissionControlPage:
    """Tests for Mission Control dashboard page."""
    
    def test_mission_control_page_loads(self, client):
        """Should render Mission Control page."""
        response = client.get("/swarm/mission-control")
        assert response.status_code == 200
        assert "Mission Control" in response.text
    
    def test_mission_control_includes_sovereignty_score(self, client):
        """Page should display sovereignty score element."""
        response = client.get("/swarm/mission-control")
        assert response.status_code == 200
        assert "sov-score" in response.text  # Element ID for JavaScript
    
    def test_mission_control_includes_dependency_grid(self, client):
        """Page should display dependency grid."""
        response = client.get("/swarm/mission-control")
        assert response.status_code == 200
        assert "dependency-grid" in response.text


class TestHealthComponentsEndpoint:
    """Tests for /health/components endpoint."""
    
    def test_components_returns_lightning_info(self, client):
        """Should return Lightning backend info."""
        response = client.get("/health/components")
        assert response.status_code == 200
        
        data = response.json()
        assert "lightning" in data
        assert "configured_backend" in data["lightning"]
    
    def test_components_returns_config(self, client):
        """Should return system config."""
        response = client.get("/health/components")
        assert response.status_code == 200
        
        data = response.json()
        assert "config" in data
        assert "debug" in data["config"]
        assert "model_backend" in data["config"]


class TestScaryPathScenarios:
    """Scary path tests for production scenarios."""
    
    def test_concurrent_sovereignty_requests(self, client):
        """Should handle concurrent requests to /health/sovereignty."""
        import concurrent.futures
        
        def fetch():
            return client.get("/health/sovereignty")
        
        with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
            futures = [executor.submit(fetch) for _ in range(10)]
            responses = [f.result() for f in concurrent.futures.as_completed(futures)]
        
        # All should succeed
        assert all(r.status_code == 200 for r in responses)
        
        # All should have valid JSON
        for r in responses:
            data = r.json()
            assert "overall_score" in data
    
    def test_sovereignty_with_missing_dependencies(self, client):
        """Should handle missing dependencies gracefully."""
        # Mock a failure scenario - patch at the module level where used
        with patch("dashboard.routes.health.check_ollama", return_value=False):
            response = client.get("/health/sovereignty")
            assert response.status_code == 200
            
            data = response.json()
            # Should still return valid response even with failures
            assert "overall_score" in data
            assert "dependencies" in data