from math import pi as PI

class Point:
    """Klasa opisująca punkt na płaszczyźnie"""
    def __init__ (self,x1,y1):
      self.x = x1
      self.y = y1

    def __str__(self):
      return 'Location of the point in 2D is x={}, y={}'.format(self.x,self.y)


class Figure(Point):
  def __init__ (self,x,y,
              colour = "red",
              name='figure',
              lineWidth=2,
              lineStyle='-'):
    super().__init__(x,y)
    self.colour = colour
    self.name = name
    self.lineWidth = lineWidth
    self.lineStyle = lineStyle

  def __str__(self):
    return 'center of the figure x={}, y={}\ncolour of figure = "{}"\ntype of figure = {}\nline width = {} \nstyle of line = "{}"'.format(self.x,self.y, self.colour,self.name,self.lineWidth,self.lineStyle)

  def area(self):
    pass

  def perimeter(self):
    pass


class Triangle(Figure):
  def __init__ (self,x,y,
        base,
        sideA,
        sideB,
        height,
        colour = "red",
        name = "triangle",
        lineWidth=2,
        lineStyle='-'):
         super().__init__(x,y,colour,name,lineWidth,lineStyle)
         self.base = base
         self.sideA = sideA
         self.sideB = sideB
         self.height = height

  def __str__(self):
    return "Base of a triangle = {}\nside a = {}\nside b = {}\nTriangle height = {}".format(self.base,self.sideA,self.sideB,self.height)

  def perimeter(self):
    return self.base + self.sideA + self.sideB

  def area(self):
    return 0.5*self.base*self.height


class Rectangle(Figure):
  def __init__ (self,x,y,
      sideA,
      sideB,
      colour = "red",
      name = "rectangle",
      lineWidth=2,
      lineStyle='-'):
        super().__init__(x,y,colour,name,lineWidth,lineStyle)
        self.sideA = sideA
        self.sideB = sideB

  def __str__(self):
    return "Side A of the rectangle = {}\nSide B of the rectangle = {}".format(self.sideA,self.sideB)

  def perimeter(self):
    return 2*self.sideA + 2*self.sideB

  def area(self):
    return self.sideA*self.sideB

class Circle(Figure):
  def __init__ (self,x,y,
    radius,
    colour = "red",
    name = "circle",
    lineWidth=2,
    lineStyle='-'):
      super().__init__(x,y,colour,name,lineWidth,lineStyle)
      self.radius = radius

  def __str__(self):
    return "Radius of circle = {}".format(self.radius)

  def perimeter(self):
    return 2*PI*self.radius

  def area(self):
    return self.radius**2*PI


def main():
  print('pi = {}'.format(PI))
  pkt = Figure(3,4)
  print(30*'x',pkt.x,30*'x')
  print(pkt)

  print(30*'-')

  trian = Triangle(2,2,4,5,6,7)
  print(trian)
  print("Triangle area is equal: {} \nTriangle perimeter is equal = {}".format(trian.area(),trian.perimeter()))

  print(30*'-')

  rect = Rectangle(2,3,2,2)
  print(rect)
  print("Rectangle area is equal: {} \nRectangle perimemter is equal = {}".format(rect.area(),rect.perimeter()))

  print(30*'-')

  circ = Circle(2,3,12)
  print(circ)
  print("Circle area is equal: {} \nCircle perimeter is equal = {}".format(circ.area(),circ.perimeter()))

if __name__ == '__main__':
  main()