# -*- coding: utf-8 -*-

class Vehicle: #車輛
    def __init__(self, power):
        self.vPower = power
    
    def setPower(self, power):
        self.vPower = power
    
    def getPower(self):
        return self.vPower
    
    def __repr__(self):
        return '動力為 "{}" 驅動的車輛'.format(self.vPower)
    
    __str__ = __repr__


class Bicycle(Vehicle):
    def __init__(self, power, name, wheels):
        Vehicle.__init__(self, power)
        self.name = name
        self.nWheels = wheels
    
    def setName(self, name):
        self.name = name
    
    def getName(self):
        return self.name
    
    def setWheels(self, wheels):
        self.nWheels = wheels
    
    def getWheels(self):
        return self.nWheels
    
    def __repr__(self):
        return ('"{0}" 是動力為 "{1}" 驅動的車輛，輪胎數為{2}'
        .format(self.name, self.getPower(), self.getWheels()))
    
    __str__=__repr__
    

class Truckcycle(Bicycle):
    def __init__(self, power, name, wheels, capacity, loading = 0):
        Bicycle.__init__(self, power, name, wheels)
        self.vCapacity = capacity
        self.vLoading = loading
    
    def setCapacity(self, capacity):
        self.vCapacity = capacity
    
    def getCapacity(self):
        return self.vCapacity
    
    def setLoading(self, loading):
        assert loading <= self.vCapacity, "Overloaded"
        self.vLoading = loading
    
    def getLoading(self):
        return self.vLoading
    """
    def __repr__(self):
        return ('"{0}" 是動力為 "{1}" 驅動的車輛，輪胎數為{2}，\
                載貨空間為{3}，目前荷重為{4}'.format(self.name,
                self.getPower(), self.getWheels(), 
                self.getCapacity(), self.getLoading()))
    """
    
    def __repr__(self):
        return (super().__repr__() + 
            "載貨空間為{}，目前荷重為{}".format(self.getCapacity(), self.getLoading()))
        
    __str__ = __repr__
    
    
    def __eq__(self, other):
        if isinstance(other, self.__class__):
            return self.__dict__==other.__dict__
        else:
            return False