from Interface import displayMessage
from Utilities import verbalizeList, delQ

class Person(object):
    def __init__(self, name, place):
        self.name = name
        self.place = place
        self.possessions = []
        place.gain(self)

    def say(self, text):
        displayMessage("At " + self.place.name + ": " +
                       self.name + " says -- " + text)

    def lookAround(self):
        otherItems = [o.name for o in self.place.contents
                      if o != self]
        self.say("I see " + verbalizeList(otherItems, "nothing") +
                 " and can go " +
                 verbalizeList(self.place.exits(), "nowhere"))

    def listPossessions(self):
        stuff = [o.name for o in self.possessions]
        self.say("I have " + verbalizeList(stuff, "nothing"))
    
    def read(self, scroll):
        if self == scroll.owner:
            scroll.beRead()
        else:
            displayMessage(self.name + " does not have " + scroll.name)
    
    def haveFit(self):
        self.say("Yaaaah! I am upset!")

    def moveTo(self, newPlace):
        displayMessage(self.name + " moves from " + self.place.name +
                       " to " + newPlace.name)
        self.place.lose(self)
        newPlace.gain(self)
        for p in self.possessions:
            self.place.lose(p)
            newPlace.gain(p)
        self.place = newPlace
        self.interactWith(self.otherPeopleAtSamePlace())

    def go(self, direction):
        newPlace = self.place.neighborTowards(direction)
        if newPlace != None:
            self.moveTo(newPlace)
        else:
            displayMessage("you cannot go " + direction +
                           " from " + self.place.name)

    def take(self, thing):
        if self == thing.owner:
            displayMessage(self.name + " already has " + thing.name)
        else:
            if thing.owner != None:
                owner = thing.owner
                owner.lose(thing)
                owner.haveFit()
            thing.owner = self
            self.possessions = [thing] + self.possessions
            self.say("I take " + thing.name)

    def lose(self, thing):
        if self != thing.owner:
            displayMessage(self.name + " doesn't have " + thing.name)
        else:
            thing.owner = None
            self.possessions = delQ(thing, self.possessions)
            self.say("I lose " + thing.name)

    def interactWith(self, people):
        if people != []:
            self.say("Hi " +
                     verbalizeList([p.name for p in people], "no one"))
        for person in people:
            person.respondTo(self)

    def respondTo(self, newcomer):
        pass

    def otherPeopleAtSamePlace(self):
        return [o for o in self.place.contents
                if o != self and isinstance(o, Person)]