# -*-coding:Utf-8 -*

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"""Fichier contenant le paramètre 'voir' de la commande 'route'."""

from textwrap import wrap

from primaires.interpreteur.masque.parametre import Parametre

class PrmVoir(Parametre):

    """Commande 'route voir'."""

    def __init__(self):
        """Constructeur du paramètre"""
        Parametre.__init__(self, "voir", "view")
        self.schema = "<nombre>"
        self.aide_courte = "affiche la route"
        self.aide_longue = \
            "Cette commande permet d'obtenir plus d'informations sur " \
            "une route. Vous devez préciser en paramètre le numéro " \
            "de la route, tel que spécifié dans %route% %route:liste%."

    def interpreter(self, personnage, dic_masques):
        """Interprétation du paramètre"""
        nombre = dic_masques["nombre"].nombre
        routes = list(importeur.route.routes.values())
        routes.sort(key=lambda t: t.ident)
        if nombre < 1 or nombre > len(routes):
            personnage << "|err|Cette route n'existe pas.|ff|"
            return

        route = routes[nombre - 1]
        description = route.description
        msg = "Description de la route {} :".format(nombre)
        msg += "\n  Origine de la route : {}".format(description.origine)
        destination = description.destination or "inconnue"
        msg += "\n  Destination de la route : {}".format(destination)
        msg += "\n  Salles de la route :"
        msg += "\n    " + "\n    ".join(wrap(
                description.afficher(ligne=True), 70))
        personnage << msg
