# install pygame module
import pygame
import time
import math

screen = pygame.display.set_mode((500,600))
pygame.display.set_caption("Countdown")

AQUA = (0,255,255)
GRAY = (169,169,169)
BLACK = (0,0,0)
RED = (255,0,0)

clock = pygame.time.Clock()

font = pygame.font.SysFont('sans', 50)
font1 = pygame.font.SysFont('sans', 100)

b1 = font.render('+', True, BLACK)
b2 = font.render('-', True, BLACK)
b3 = font.render('Min', True, BLACK)
b4 = font.render('Sec', True, BLACK)
b5 = font.render('Start', True, BLACK)
b6 = font.render('Reset', True, BLACK)

mins = 0
secs = 0
total = 0
start = False
total_secs = 0
running = True

sound1 = pygame.mixer.Sound("Clock Project/tick.wav")
sound2 = pygame.mixer.Sound("Clock Project/alarm.wav")

while running:

	# Mouse 
	mouse_x, mouse_y = pygame.mouse.get_pos()

	clock.tick(60)

	# fill the background into gray color
	screen.fill(GRAY)

	pygame.draw.rect(screen, AQUA, (100, 50, 50, 50))
	pygame.draw.rect(screen, AQUA, (100, 130, 50, 50))
	pygame.draw.rect(screen, AQUA, (350, 50, 50, 50))
	pygame.draw.rect(screen, AQUA, (350, 130, 50, 50))
	pygame.draw.rect(screen, AQUA, (50, 200, 170, 50))
	pygame.draw.rect(screen, AQUA, (280, 200, 170, 50))
	pygame.draw.rect(screen, AQUA, (45, 495, 410, 60))
	pygame.draw.rect(screen, AQUA, (50, 500, 400, 50))

	# Draw min
	screen.blit(b3, (10,45))
	screen.blit(b3, (420,45))

	# Draw sec
	screen.blit(b4, (10, 125))
	screen.blit(b4, (420, 125))

	# Draw '+'
	screen.blit(b1, (112,45)) # increase 12 points of X 
	screen.blit(b1, (112,125)) # Decrease 5 points of y

	# Draw '-'
	screen.blit(b2, (368,42)) # increase 18 points of x
	screen.blit(b2, (368,122)) # Decrease 8 points of y

	# Draw 'start'
	screen.blit(b5, (92,195))

	# Draw 'Reset'
	screen.blit(b6, (310,195))

	# Draw circle of clock
	pygame.draw.circle(screen, BLACK, (250,380), 100)
	pygame.draw.circle(screen, AQUA, (250,380), 95)
	pygame.draw.circle(screen, BLACK, (250,380), 5)

	for event in pygame.event.get():
		if event.type == pygame.QUIT:
			running = False
		if event.type == pygame.MOUSEBUTTONDOWN:
			if event.button == 1:
				if (100<mouse_x<150) and (50<mouse_y<100):
					total = total_secs
					total_secs += 60
				if (100<mouse_x<150) and (130<mouse_y<180):
					total = total_secs
					total_secs += 1
				if (350<mouse_x<400) and (50<mouse_y<100):
					total = total_secs
					total_secs -= 60
				if (350<mouse_x<400) and (130<mouse_y<180):
					total = total_secs
					total_secs -= 1
				if (50<mouse_x<220) and (200<mouse_y<250):
					start = True
					total = total_secs
				if (280<mouse_x<430) and (200<mouse_y<250):
					total_secs = 0

	# Function of "start"
	if start:
		if total_secs > 0:
			total_secs -= 1
			pygame.mixer.Sound.play(sound1)
			time.sleep(1) 
		else:
			start = False
			pygame.mixer.Sound.play(sound2)

	# mins and secs
	mins = total_secs // 60
	secs = total_secs - (mins * 60)

	# Draw current time
	text_time = font1.render(str(mins) + ':' + str(secs), True, RED)
	screen.blit(text_time, (180,50))
	
	# Draw second hand
	x_sec = 250 + 90 * math.sin(6 * secs * math.pi/180) 
	y_sec = 380 - 90 * math.cos(6 * secs * math.pi/180)
	pygame.draw.line(screen, RED, (250,380), (int(x_sec), int(y_sec)))

	# Draw minute hand
	x_min = 250 + 50 * math.sin(6 * mins * math.pi/180) 
	y_min = 380 - 50 * math.cos(6 * mins * math.pi/180)
	pygame.draw.line(screen, BLACK, (250,380), (int(x_min), int(y_min)))


	# Draw a red rect in order to decrease gradually by time
	if total != 0:
		pygame.draw.rect(screen, RED, (50, 500, int(400*(total_secs/total)), 50))

	pygame.display.flip()