import java.util.ArrayList;

public class GroupeAgenda extends AgendaAbstrait {

    private ArrayList<Agenda> agendas;

    public GroupeAgenda(String nom) {
        super(nom);
        this.agendas = new ArrayList<Agenda>();
    }

    public void ajouter(Agenda agenda) {
        agendas.add(agenda);
    }

    public void ajouter(GroupeAgenda groupe) {
        groupe.agendas.forEach(agenda -> {
            this.ajouter(agenda);
        });
    }

    @Override
    public void enregistrer(int creneau, String rdv) throws CreneauInvalideException, IllegalArgumentException, OccupeException { 
        // vérif tous libres
        Boolean rdv_present = false;
        for (Agenda agenda : this.agendas) {
            try {
                agenda.getRendezVous(creneau);
                rdv_present = true;
                break;
            } catch (LibreException e) {}
        }
        if (rdv_present) {
            throw new OccupeException();
        }

        // si tous libre, enregistrer le rdv
        for (Agenda agenda : this.agendas) {
            try {
                agenda.enregistrer(creneau, rdv);
            } catch (IllegalArgumentException e) {
                throw e;
            } catch (OccupeException e) {
                throw e;
            }
        }
    }

    @Override // TODO finir
    public boolean annuler(int creneau) throws CreneauInvalideException {
        Boolean rep = null;
        for (Agenda agenda : this.agendas) {
            rep = agenda.annuler(creneau);
		}
        return rep;
    }

    @Override
    public String getRendezVous(int creneau) throws CreneauInvalideException, LibreException {
        
        String rdv0 = this.agendas.get(0).getRendezVous(creneau);
        Boolean diff = false;
        Boolean one_free = false;

        for (Agenda agenda : this.agendas) {
            try {
                String rdv = agenda.getRendezVous(creneau);
                
                if (!rdv.equals(rdv0)) {
                    diff = true;
                    break;
                }

            } catch (LibreException e) {
                one_free = true;
            }
        }

        if (diff) {
            return null;
        } else if (one_free) {
            throw new LibreException();
        } else {
            return rdv0;
        }
    }

}