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"""Fichier contenant le paramètre 'retirer' de la commande 'pavillon'."""

from primaires.interpreteur.masque.parametre import Parametre

class PrmRetirer(Parametre):

    """Commande 'pavillon retirer'.

    """

    def __init__(self):
        """Constructeur du paramètre"""
        Parametre.__init__(self, "retirer", "down")
        self.aide_courte = "amène le pavillon"
        self.aide_longue = \
            "Cette commande permet de baisser le pavillon actuel " \
            "du navire. Elle ne prend aucun argument. Le pavillon " \
            "sera amené par le personnage entrant la commande."

    def interpreter(self, personnage, dic_masques):
        """Interprétation du paramètre"""
        salle = personnage.salle
        if not hasattr(salle, "navire") or salle.navire is None or \
                salle.navire.etendue is None:
            personnage << "|err|Vous n'êtes pas sur un navire.|ff|"
            return

        navire = salle.navire
        pavillon = navire.pavillon
        if pavillon is None:
            personnage << "|err|Aucun pavillon n'est actuellement hissé.|ff|"
            return

        navire.pavillon = None
        pavillon = importeur.objet.creer_objet(pavillon)
        navire.envoyer("{} est amené.".format(
                pavillon.get_nom().capitalize()))
        navire.envoyer_autour("{} amène {}.".format(
                navire.desc_survol, pavillon.get_nom().capitalize()), 35)
        personnage.ramasser_ou_poser(pavillon)
