# -*-coding:Utf-8 -*

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"""Package contenant la commande 'viser'.

"""

from random import random

from primaires.interpreteur.commande.commande import Commande

class CmdViser(Commande):

    """Commande 'viser'.

    """

    def __init__(self):
        """Constructeur de la commande"""
        Commande.__init__(self, "viser", "target")
        self.nom_categorie = "combat"
        self.schema = "(<nombre>)"
        self.aide_courte = "vise un personnage"
        self.aide_longue = \
            "Cette commande vous permet de viser un personnage que " \
            "vous avez auparavant aperçu avec la commande %scruter%. " \
            "Vous devez simplement préciser en paramètre un nombre " \
            "(celui donné par %scruter% pour la cible particulière). " \
            "Si vous souhaitez arrêter de viser qui que ce soit, " \
            "entrez cette commande sans paramètre."

    def interpreter(self, personnage, dic_masques):
        """Interprétation de la commande"""
        if dic_masques["nombre"]:
            nombre = dic_masques["nombre"].nombre
            cibles = importeur.combat.cibles.get(personnage)
            if cibles is None:
                personnage << "|err|Vous ne voyez aucune cible " \
                        "pour l'heure.|ff|"
                return

            try:
                chemin, cible = cibles[nombre - 1]
            except IndexError:
                personnage << "|err|Ce nombre est invalide.|ff|"
                return

            importeur.combat.cible[personnage] = cible
            personnage.envoyer("Vous commencez à viser {}.", cible)
        else:
            if personnage in importeur.combat.cible:
                del importeur.combat.cible[personnage]
                personnage << "Vous ne visez plus personne."
            else:
                personnage << "Vous ne visez personne actuellement."
