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use crate::construction::constraints::TransportConstraintModule;
use crate::construction::heuristics::InsertionContext;
use crate::solver::processing::post::PostProcessing;

/// Provides way to reduce waiting time by advancing departure time.
pub struct AdvanceDeparture {}

impl Default for AdvanceDeparture {
    fn default() -> Self {
        Self {}
    }
}

impl PostProcessing for AdvanceDeparture {
    fn process(&self, insertion_ctx: InsertionContext) -> InsertionContext {
        let mut insertion_ctx = insertion_ctx.deep_copy();

        let problem = insertion_ctx.problem.clone();
        let transport = problem.transport.clone();

        insertion_ctx.solution.routes.iter_mut().for_each(|route_ctx| {
            TransportConstraintModule::advance_departure_time(route_ctx, transport.as_ref(), true);
        });

        problem.constraint.accept_solution_state(&mut insertion_ctx.solution);

        insertion_ctx
    }
}