"""
Extended Tests for Optuna Optimizer

Phase 23: Benchmarks & Optimization - Optuna Optimizer Tests
Tests hyperparameter optimization and visualization.
"""

import pytest
from unittest.mock import patch, MagicMock


class TestOptunaOptimization:
    """Tests for Optuna optimization functionality"""

    @patch("optuna.create_study")
    def test_optimizer_initialization(self, mock_create_study):
        """Test optimizer initialization"""
        mock_study = MagicMock()
        mock_create_study.return_value = mock_study

        # Test would create optimizer and verify study creation

    @patch("optuna.create_study")
    def test_study_creation(self, mock_create_study):
        """Test Optuna study creation"""
        mock_study = MagicMock()
        mock_study.study_name = "test_study"
        mock_create_study.return_value = mock_study

        # Verify study is created with correct parameters

    def test_trial_suggestion(self):
        """Test trial parameter suggestion"""
        # Test suggest_int, suggest_float, suggest_categorical
        pass

    def test_objective_function_evaluation(self):
        """Test objective function evaluation"""
        # Test evaluating trial results
        pass

    def test_hyperparameter_sampling(self):
        """Test hyperparameter sampling"""
        # Test parameter sampling strategies
        pass

    def test_pruning_strategy(self):
        """Test trial pruning"""
        # Test early stopping of bad trials
        pass

    def test_multi_objective_optimization(self):
        """Test multi-objective optimization"""
        # Test optimizing multiple objectives
        pass

    def test_constraint_handling(self):
        """Test constraint handling"""
        # Test parameter constraints
        pass

    def test_early_stopping(self):
        """Test early stopping criteria"""
        # Test stopping optimization early
        pass

    def test_parallel_trials(self):
        """Test parallel trial execution"""
        # Test running trials in parallel
        pass

    def test_study_persistence(self):
        """Test study persistence to database"""
        # Test saving study state
        pass

    def test_study_resumption(self):
        """Test resuming study"""
        # Test loading and continuing study
        pass

    def test_optimization_history(self):
        """Test optimization history tracking"""
        # Test recording trial history
        pass

    def test_best_params_extraction(self):
        """Test extracting best parameters"""
        # Test getting optimal config
        pass


class TestVisualization:
    """Tests for optimization visualization"""

    def test_optimization_history_plot(self):
        """Test optimization history plot"""
        # Test plotting trial history
        pass

    def test_parameter_importance_plot(self):
        """Test parameter importance plot"""
        # Test importance visualization
        pass

    def test_parallel_coordinate_plot(self):
        """Test parallel coordinate plot"""
        # Test multi-dimensional visualization
        pass

    def test_contour_plot(self):
        """Test contour plot"""
        # Test 2D parameter visualization
        pass

    def test_slice_plot(self):
        """Test slice plot"""
        # Test parameter slice visualization
        pass


class TestBenchmarkModules:
    """Tests for benchmark module availability"""

    def test_benchmark_modules_exist(self):
        """Test benchmark modules can be imported"""
        try:
            from local_deep_research.benchmarks import comparison

            assert comparison is not None
        except ImportError:
            pytest.skip("Benchmark modules not available")

    def test_benchmark_results_class(self):
        """Test Benchmark_results class exists"""
        try:
            from local_deep_research.benchmarks.comparison.results import (
                Benchmark_results,
            )

            assert Benchmark_results is not None
        except ImportError:
            pytest.skip("Benchmark_results not available")
