# Recursion Lab Solutions
# recursiveGraphics.py

from cs1graphics import *


def box(x, y, size, color1, canvas):
    ''' Provided function; Adds a box of size size
    to the location (x,y) on the given canvas '''
    b = Rectangle(size,size,Point(x,y))
    b.setFillColor(color1)
    canvas.add(b)


# ------------------------------------
# Task 1
# ------------------------------------
def makeNestedBoxes(x, y, size, color1, color2, canvas):
    ''' Draws a set of nested boxes (boxes decrease by 10 each time '''
    if size > 10:

        # Draw one box
        box(x,y,size,color1,canvas)

        # Swap colors and recurse to get smaller boxes
        makeNestedBoxes(x, y, size-10, color2, color1, canvas)


if __name__ == "__main__":
    # Tests
    paper = Canvas(500, 500, 'darkolivegreen')

    makeNestedBoxes(200, 400, 100, 'red', 'ivory', paper)
    makeNestedBoxes(150, 100, 200, 'purple', 'gold', paper)
    makeNestedBoxes(400, 200, 180, 'navy', 'lightskyblue', paper)


# ------------------------------------
# Task 2
# ------------------------------------
def nestedBoxPattern(x, y, size, color1, color2, canvas):
    if size > 10:

        # draw the center box
        makeNestedBoxes(x,y,size,color1,color2,canvas)

        # draw another (smaller) box in the upper left corner
        cornerUL = nestedBoxPattern(x-size/2., y-size/2., size/3., color1, color2, canvas)

        # draw another (smaller) box in the upper right corner
        cornerUR = nestedBoxPattern(x+size/2., y-size/2., size/3., color1, color2, canvas)

        # draw another (smaller) box in the lower left corner
        cornerLL = nestedBoxPattern(x-size/2., y+size/2., size/3., color1, color2, canvas)

        # draw another (smaller) box in the lower right corner
        cornerLR = nestedBoxPattern(x+size/2., y+size/2., size/3., color1, color2, canvas)


if __name__ == "__main__":
    # Tests
    paper2 = Canvas(600, 600, 'white', 'paper2')
    nestedBoxPattern(300, 300, 350, 'navy', 'ivory', paper2)