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"""Fichier contenant le paramètre 'calesèche' de la commande 'navire'."""

from primaires.interpreteur.masque.parametre import Parametre

class PrmCaleseche(Parametre):

    """Commande 'navire calesèche'.

    """

    def __init__(self):
        """Constructeur du paramètre"""
        Parametre.__init__(self, "calesèche", "dryhold")
        self.tronquer = True
        self.schema = "(<cle_navire>)"
        self.aide_courte = "met le navire en cale sèche"
        self.aide_longue = \
            "Cette commande permet de mettre en cale sèche le navire. " \
            "Le navire doit être précisé en paramètre sous la forme " \
            "de son identifiant : " \
            "si le navire n'est pas précisé, essaye de mettre en " \
            "cale sèche le navire sur lequel vous vous trouvez. Le " \
            "chantier navale correspondant à l'étendue sera recherché " \
            "parmi les chantiers existants."

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

            navire = salle.navire
        else:
            navire = navire.navire

        try:
            navire.mettre_en_cale_seche()
        except ValueError as err:
            personnage << str(err)
        else:
            personnage << "Le navire {} a bien été mis en cale sèche.".format(
                    navire.cle)
