package spaceStationRecruitment;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.stream.Collectors;

public class SpaceStation {
    private String name;
    private int capacity;
    private Map<String, Astronaut> data;

    public SpaceStation(String name, int capacity) {
        this.name = name;
        this.capacity = capacity;
        this.data = new LinkedHashMap<>();
    }

    public String getName() {
        return name;
    }

    public int getCapacity() {
        return capacity;
    }

    public int getCount() {
        return data.size();
    }

    public void add(Astronaut astronaut) {
        if(this.data.size()<this.getCapacity()){
            String name = astronaut.getName();
            data.put(name,astronaut);
        }
    }

    public boolean remove(String astronaut_name) {
        if (!data.containsKey(astronaut_name)) {
            return false;
        } else{
            data.remove(astronaut_name);
            return true;
        }
    }

    public Astronaut getOldestAstronaut() {
        return data.values().stream().sorted((f,s)->s.getAge()-f.getAge())
                .collect(Collectors.toList())
                .get(0);
    }

    public Astronaut getAstronaut(String name) {
        return data.values().stream().filter(f->f.getName().equals(name))
                .collect(Collectors.toList())
                .get(0);
    }

    public String report() {
        return String.format("Astronauts working at Space Station " + this.getName()+":%n"+
                this.data.values()
                        .stream()
                        .map(Astronaut::toString)
                        .collect(Collectors.joining("%n")));
    }
}