# -*-coding:Utf-8 -*

# Copyright (c) 2010 LE GOFF Vincent
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"""Fichier contenant le paramètre 'centre' de la commande 'rames'."""

from primaires.interpreteur.masque.parametre import Parametre

class PrmCentre(Parametre):

    """Commande 'rames centre'.

    """

    def __init__(self):
        """Constructeur du paramètre"""
        Parametre.__init__(self, "centre", "center")
        self.aide_courte = "arrête de tourner"
        self.aide_longue = \
            "Cette commande place les rames présentes pour arrêter " \
            "de virer sur un côté ou l'autre. Utilisez cette " \
            "commande quand vous avez tourné à bâbord ou tribord " \
            "et êtes à présent dans l'âxe."

    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
        rames = salle.rames
        if not rames:
            personnage << "|err|Il n'y a pas de rames ici.|ff|"
            return

        if not rames.tenu or rames.tenu is not personnage:
            personnage << "|err|Vous ne tenez pas ces rames.|ff|"
        elif rames.orientation == 0:
            personnage << "|err|Vous n'orientez pas vos rames pour " \
                    "tourner.|ff|"
        else:
            rames.centrer()
