//! Benchmarking utilities for feature selection methods
//!
//! This module provides stub implementations for benchmarking feature selection algorithms.
//! Full implementations are planned for future releases.

use sklears_core::error::{Result as SklResult, SklearsError};

/// Feature selection benchmark framework (stub implementation)
#[derive(Debug, Clone)]
pub struct FeatureSelectionBenchmark;

impl FeatureSelectionBenchmark {
    /// run_benchmark
    pub fn run_benchmark(_methods: &[String]) -> SklResult<BenchmarkResults> {
        Err(SklearsError::NotImplemented(
            "FeatureSelectionBenchmark::run_benchmark is not yet implemented".to_string(),
        ))
    }
}

/// Method comparison utilities (stub implementation)
#[derive(Debug, Clone)]
pub struct MethodComparison;

impl MethodComparison {
    /// compare_methods
    pub fn compare_methods(_method1: &str, _method2: &str) -> SklResult<f64> {
        Err(SklearsError::NotImplemented(
            "MethodComparison::compare_methods is not yet implemented".to_string(),
        ))
    }
}

/// Performance ranking (stub implementation)
#[derive(Debug, Clone)]
pub struct PerformanceRanking;

impl PerformanceRanking {
    /// rank_methods
    pub fn rank_methods(_methods: &[String], _scores: &[f64]) -> SklResult<Vec<usize>> {
        Err(SklearsError::NotImplemented(
            "PerformanceRanking::rank_methods is not yet implemented".to_string(),
        ))
    }
}

/// Benchmark suite (stub implementation)
#[derive(Debug, Clone)]
pub struct BenchmarkSuite;

impl BenchmarkSuite {
    /// run_suite
    pub fn run_suite(_suite_name: &str) -> SklResult<SuiteResults> {
        Err(SklearsError::NotImplemented(
            "BenchmarkSuite::run_suite is not yet implemented".to_string(),
        ))
    }
}

/// Comparative analysis (stub implementation)
#[derive(Debug, Clone)]
pub struct ComparativeAnalysis;

impl ComparativeAnalysis {
    /// statistical_comparison
    pub fn statistical_comparison(_results1: &[f64], _results2: &[f64]) -> SklResult<f64> {
        Err(SklearsError::NotImplemented(
            "ComparativeAnalysis::statistical_comparison is not yet implemented".to_string(),
        ))
    }
}

/// Benchmark results structure
#[derive(Debug, Clone)]
pub struct BenchmarkResults {
    pub method_scores: Vec<f64>,
    pub execution_times: Vec<f64>,
}

/// Suite results structure
#[derive(Debug, Clone)]
pub struct SuiteResults {
    pub suite_name: String,
    pub overall_score: f64,
}
