radiate-engines 1.3.1

use crate::Chromosome;
use crate::builder::EngineParams;
use crate::builder::evaluators::EvaluationParams;
use crate::genome::phenotype::Phenotype;
use crate::objectives::Objective;
use crate::{Front, Problem, ReplacementStrategy, Select};
use crate::{Generation, events::EventStream};
use radiate_core::ExprSet;
use radiate_core::{Alterer, Diversity, Ecosystem, Evaluator, Executor, Genotype};
use radiate_core::{EcosystemFilter, ThreadSync};
use std::sync::{Arc, Mutex, RwLock};

#[derive(Clone)]
pub(crate) struct EngineConfig<C: Chromosome, T: Clone> {
    ecosystem: Ecosystem<C>,
    problem: Arc<dyn Problem<C, T>>,
    survivor_selector: Arc<dyn Select<C>>,
    offspring_selector: Arc<dyn Select<C>>,
    replacement_strategy: Arc<dyn ReplacementStrategy<C>>,
    filters: Vec<Arc<Mutex<dyn EcosystemFilter<C>>>>,
    alterers: Vec<Alterer<C>>,
    diversity: Option<Arc<dyn Diversity<C>>>,
    evaluator: Arc<dyn Evaluator<C, T>>,
    objective: Objective,
    max_age: usize,
    max_species_age: usize,
    front: Arc<RwLock<Front<Phenotype<C>>>>,
    offspring_fraction: f32,
    executor: EvaluationParams<C, T>,
    exprs: Option<Arc<Mutex<ExprSet>>>,
    generation: Option<Generation<C, T>>,
    sync: ThreadSync,
    event_stream: EventStream,
}

impl<C: Chromosome, T: Clone> EngineConfig<C, T> {
    pub fn ecosystem(&self) -> &Ecosystem<C> {
        &self.ecosystem
    }

    pub fn survivor_selector(&self) -> Arc<dyn Select<C>> {
        Arc::clone(&self.survivor_selector)
    }

    pub fn offspring_selector(&self) -> Arc<dyn Select<C>> {
        Arc::clone(&self.offspring_selector)
    }

    pub fn replacement_strategy(&self) -> Arc<dyn ReplacementStrategy<C>> {
        Arc::clone(&self.replacement_strategy)
    }

    pub fn alters(&self) -> &[Alterer<C>] {
        &self.alterers
    }

    pub fn objective(&self) -> Objective {
        self.objective.clone()
    }

    pub fn max_age(&self) -> usize {
        self.max_age
    }

    pub fn max_species_age(&self) -> usize {
        self.max_species_age
    }

    pub fn diversity(&self) -> Option<Arc<dyn Diversity<C>>> {
        self.diversity.clone()
    }

    pub fn front(&self) -> Arc<RwLock<Front<Phenotype<C>>>> {
        Arc::clone(&self.front)
    }

    pub fn evaluator(&self) -> Arc<dyn Evaluator<C, T>> {
        Arc::clone(&self.evaluator)
    }

    pub fn survivor_count(&self) -> usize {
        self.ecosystem.population().len() - self.offspring_count()
    }

    pub fn offspring_count(&self) -> usize {
        (self.ecosystem.population().len() as f32 * self.offspring_fraction) as usize
    }

    pub fn species_executor(&self) -> Arc<Executor> {
        Arc::clone(&self.executor.species_executor.executor)
    }

    pub fn event_stream(&self) -> EventStream {
        self.event_stream.clone()
    }

    pub fn sync(&self) -> ThreadSync {
        self.sync.clone()
    }

    pub fn problem(&self) -> Arc<dyn Problem<C, T>> {
        Arc::clone(&self.problem)
    }

    pub fn filters(&self) -> &[Arc<Mutex<dyn EcosystemFilter<C>>>] {
        &self.filters
    }

    pub fn generation(&self) -> Option<Generation<C, T>>
    where
        C: Clone,
        T: Clone,
    {
        self.generation.clone()
    }

    pub fn encoder(&self) -> Arc<dyn Fn() -> Genotype<C> + Send + Sync>
    where
        C: 'static,
        T: 'static,
    {
        let problem = Arc::clone(&self.problem);
        Arc::new(move || problem.encode())
    }

    pub fn exprs(&self) -> Option<Arc<Mutex<ExprSet>>> {
        self.exprs.clone()
    }

    pub fn population_size(&self) -> usize {
        self.ecosystem.population().len()
    }
}

impl<C, T> From<&EngineParams<C, T>> for EngineConfig<C, T>
where
    C: Chromosome + Clone + 'static,
    T: Clone + Send + Sync + 'static,
{
    fn from(params: &EngineParams<C, T>) -> Self {
        Self {
            ecosystem: params.population_params.ecosystem.clone().unwrap(),
            problem: params.problem_params.problem.clone().unwrap(),
            survivor_selector: params.selection_params.survivor_selector.clone(),
            offspring_selector: params.selection_params.offspring_selector.clone(),
            replacement_strategy: params.replacement_strategy.clone(),
            alterers: params.alterers.clone(),
            objective: params.optimization_params.objectives.clone(),
            max_age: params.population_params.max_age,
            max_species_age: params.species_params.max_species_age,
            diversity: params.species_params.diversity.clone(),
            front: Arc::new(RwLock::new(
                params.optimization_params.front.clone().unwrap(),
            )),
            offspring_fraction: params.selection_params.offspring_fraction,
            evaluator: params.evaluation_params.evaluator.clone(),
            executor: params.evaluation_params.clone(),
            generation: params.generation.clone(),
            exprs: params.exprs.clone(),
            filters: params.filter_params.filters.clone(),
            sync: params.evaluation_params.sync.clone(),
            event_stream: params.event_stream.clone(),
        }
    }
}