//! Advanced evaluation techniques for specialized scenarios
//!
//! This module provides stub implementations for advanced evaluation methods.
//! Full implementations are planned for future releases.

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

/// Bayesian evaluation methods (stub implementation)
#[derive(Debug, Clone)]
pub struct BayesianEvaluation;

impl BayesianEvaluation {
    /// bayesian_model_comparison
    pub fn bayesian_model_comparison(_features1: &[usize], _features2: &[usize]) -> SklResult<f64> {
        Err(SklearsError::NotImplemented(
            "BayesianEvaluation::bayesian_model_comparison is not yet implemented".to_string(),
        ))
    }

    /// posterior_feature_probability
    pub fn posterior_feature_probability(_features: &[usize]) -> SklResult<Vec<f64>> {
        Err(SklearsError::NotImplemented(
            "BayesianEvaluation::posterior_feature_probability is not yet implemented".to_string(),
        ))
    }
}

/// Causal feature evaluation (stub implementation)
#[derive(Debug, Clone)]
pub struct CausalFeatureEvaluation;

impl CausalFeatureEvaluation {
    /// causal_importance
    pub fn causal_importance(_features: &[usize]) -> SklResult<Vec<f64>> {
        Err(SklearsError::NotImplemented(
            "CausalFeatureEvaluation::causal_importance is not yet implemented".to_string(),
        ))
    }

    /// confounding_analysis
    pub fn confounding_analysis(_features: &[usize]) -> SklResult<f64> {
        Err(SklearsError::NotImplemented(
            "CausalFeatureEvaluation::confounding_analysis is not yet implemented".to_string(),
        ))
    }
}

/// Domain-specific evaluation (stub implementation)
#[derive(Debug, Clone)]
pub struct DomainSpecificEvaluation;

impl DomainSpecificEvaluation {
    /// evaluate_for_domain
    pub fn evaluate_for_domain(_features: &[usize], _domain: &str) -> SklResult<f64> {
        Err(SklearsError::NotImplemented(
            "DomainSpecificEvaluation::evaluate_for_domain is not yet implemented".to_string(),
        ))
    }
}

/// Transfer learning evaluation (stub implementation)
#[derive(Debug, Clone)]
pub struct TransferLearningEvaluation;

impl TransferLearningEvaluation {
    /// evaluate_transferability
    pub fn evaluate_transferability(
        _source_features: &[usize],
        _target_features: &[usize],
    ) -> SklResult<f64> {
        Err(SklearsError::NotImplemented(
            "TransferLearningEvaluation::evaluate_transferability is not yet implemented"
                .to_string(),
        ))
    }
}

/// Online evaluation methods (stub implementation)
#[derive(Debug, Clone)]
pub struct OnlineEvaluation;

impl OnlineEvaluation {
    /// incremental_evaluation
    pub fn incremental_evaluation(_features: &[usize], _batch_size: usize) -> SklResult<Vec<f64>> {
        Err(SklearsError::NotImplemented(
            "OnlineEvaluation::incremental_evaluation is not yet implemented".to_string(),
        ))
    }

    /// streaming_performance
    pub fn streaming_performance(_features: &[usize], _window_size: usize) -> SklResult<Vec<f64>> {
        Err(SklearsError::NotImplemented(
            "OnlineEvaluation::streaming_performance is not yet implemented".to_string(),
        ))
    }
}
