import pygame
import math

pygame.init()
displaySize = (400, 400)
gameDisplay = pygame.display.set_mode(displaySize)
pygame.display.set_caption('Triangler')
clock = pygame.time.Clock()
background = pygame.Surface(gameDisplay.get_size())
background.fill((0, 0, 0))
white = (255, 255, 255)
font = pygame.font.SysFont('AmericanTypewriter', 15)
pointCoords = ((int(displaySize[0]/2)), int((displaySize[1]/2)))


def mathDistance():
    global pointCoords
    # Math
    lineCoords = (mouseCoords[0], pointCoords[1])
    # triangle data
    aLen = math.fabs(200 - mouseCoords[0])
    bLen = math.fabs(200 - mouseCoords[1])
    cLen = round(math.sqrt((bLen ** 2) + (aLen ** 2)), 2)
    peri = round(aLen + bLen + cLen, 2)
    area = (aLen * bLen) / 2
    cLenInt = int(cLen)

    # circle data
    radi = cLen
    diameter = radi * 2
    circ = round(2 * (math.pi * radi), 2)
    circArea = round(math.pi * (radi ** 2), 2)

    # Perameters of location math
    if mouseCoords[1] > 200:
        lineHorzText = (((lineCoords[0] + 200) / 2), pointCoords[1] - 10)
    else:
        lineHorzText = (((lineCoords[0] + 200) / 2), pointCoords[1])

    if mouseCoords[0] > 200:
        lineVertText = (lineCoords[0] + 5, (mouseCoords[1] + 200) / 2)
    else:
        lineVertText = (lineCoords[0] - 10, (mouseCoords[1] + 200) / 2)

    if mouseCoords[0] > 200:
        lineCText = (lineHorzText[0] - 10, lineVertText[1] - 10)
        if mouseCoords[1] > 200:
            lineCText = (lineHorzText[0] -4, lineVertText[1] +  6.5)
    else:
        lineCText = (lineHorzText[0] + 10, lineVertText[1] - 10)
        if mouseCoords[1] > 200:
            lineCText = (lineHorzText[0] + 4, lineVertText[1] + 6.5)

    # Renders - Text
    gameDisplay.blit(background, (0, 0))

    aTri = font.render('a', True, white)
    gameDisplay.blit(aTri, lineHorzText)
    bTri = font.render('b', True, white)
    gameDisplay.blit(bTri, lineVertText)
    cTri = font.render('c', True, white)
    gameDisplay.blit(cTri, lineCText)

    # a, b, c text
    aLenTxt = font.render('a = ' + str(aLen) + "px", True, white)
    gameDisplay.blit(aLenTxt, (5,20))
    bLenTxt = font.render('b = ' + str(bLen) + "px", True, white)
    gameDisplay.blit(bLenTxt, (72,20))
    cLenTxt = font.render('c = ' + str(cLen) + "px", True, white)
    gameDisplay.blit(cLenTxt, (139,20))

    # triangle data
    triText = font.render('TRIANGLE ', True, white)
    gameDisplay.blit(triText, (70, 7))
    peri = font.render('P = ' + str(peri) + "px", True, white)
    gameDisplay.blit(peri, (5,35))
    area = font.render('A = ' + str(area) + "px", True, white)
    gameDisplay.blit(area, (80,35))

    # circles
    circleText = font.render('CIRCLE', True, white)
    gameDisplay.blit(circleText, (305, 7))
    radi = font.render('r = ' + str(radi) + "px", True, white)
    gameDisplay.blit(radi, (260,20))
    diameter = font.render('d = ' + str(diameter) + "px", True, white)
    gameDisplay.blit(diameter, (330,20))
    circ = font.render('circ = ' + str(circ) + 'px', True, white)
    gameDisplay.blit(circ, (230,35))
    circArea = font.render('A = ' + str(circArea) + 'px', True, white)
    gameDisplay.blit(circArea, (315,35))

    # name
    name = font.render('Code and design by Elison Crum', True, white)
    gameDisplay.blit(name, (0,390))

    # Renders Lines
    pygame.draw.line(gameDisplay, white, pointCoords , lineCoords)
    pygame.draw.line(gameDisplay, white, lineCoords, (lineCoords[0], mouseCoords[1]))
    pygame.draw.line(gameDisplay, white, pointCoords, mouseCoords)
    pygame.draw.circle(gameDisplay, (169, 169, 169), (200, 200), cLenInt + 1, 1)
    pygame.draw.circle(gameDisplay, (34,206,255), (pointCoords), 2, 1)

    boxX = aLen * .2
    boxY = bLen * .2
    if mouseCoords[1] < 200:
        boxY = -boxY
    if mouseCoords[0] > 200:
        boxX = -boxX
    pygame.draw.rect(gameDisplay, white, [lineCoords[0], lineCoords[1], boxX, boxY], 1)

end = False

while not end:

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            end = True
        elif pygame.mouse.get_focused() == 1:
            mouseCoords = pygame.mouse.get_pos()
            mathDistance()

    pygame.display.update()
    clock.tick(30)

pygame.quit()