from cs1graphics import *
import random

numB = 6  # number of buildings
maxF = 10  # maximum number of floors per building
numW = 5   # windows per floor
grid = 30  # width of one window

bldgWidth = grid * (numW + 0.5 * (1+numW))   # windows and halfsize gaps

canWidth = bldgWidth * (0.5 + 1.5*numB)
canHeight = grid * 1.5 * (1 + maxF)

paper = Canvas(canWidth, canHeight)
paper.setBackgroundColor('skyblue')

for b in range(numB):
    # time to make building b
    numF = random.randint(maxF//2, maxF)  # random number of floors

    leftEdge = bldgWidth * (0.5 + 1.5*b)
    bldgHeight = grid * (0.5 + 1.5 * numF)
    facade = Rectangle(bldgWidth, bldgHeight)
    facade.setFillColor('gray')
    facade.move(leftEdge + bldgWidth/2, canHeight - bldgHeight/2)
    paper.add(facade)

    # time to add the floors
    for f in range(numF):
        # build a single floor with f=0 the bottom floor
        y = canHeight - grid * (1 + 1.5*f)

        # let's make row of windows
        for w in range(numW):
            # add a single window with w=0 the leftmost
            window = Square(grid)
            window.setFillColor('yellow')
            window.move(leftEdge + grid * (1 + w*1.5), y)
            paper.add(window)