# https://pygame.readthedocs.io/en/latest/7_sound/sound.html
# https://pygame.org/docs/ref/mixer.html

import pygame
import pygame.locals
import pygame.mixer
import random

pygame.init()
screen=pygame.display.set_mode((240,200))
pygame.display.set_caption('Sound')

def makebutton():
  global button_rect
  global beep_rect
  global beep2_rect

  # clear screen
  screen.fill((255,255,255))

  # button
  font2 = pygame.font.Font(None,20)
  font2.set_underline(True)
  button_text = font2.render('Play Sound', 1, (10,10,10))
  # margin is the distance of the text from the edge of the screen
  margin = 6
  # put the button in the top left hand corner
  # and keep the return value (a Rect) in a global variable
  # so that we can detect mouse clicks on it
  button_rect = screen.blit(button_text, (margin, margin))

  # and a second button
  button_text = font2.render('Beep', 1, (10,10,10))
  # put the button in the top middle
  beep_rect = screen.blit(button_text, (120, margin))

  # and a third button
  button_text = font2.render('Beep2', 1, (10,10,10))
  # put the button in the top right hand corner
  beep2_rect = screen.blit(button_text, (170, margin))
  pygame.display.update()

def main():
  running = True

  while running:
    # get one event off the event queue
    # waiting until there is one
    event = pygame.event.wait()
    if event.type == pygame.locals.QUIT:
      running = False
    if event.type == pygame.locals.MOUSEBUTTONDOWN:
      if button_rect.collidepoint(event.pos):
        # clicking the button plays the sound
        snd.play()
      if beep_rect.collidepoint(event.pos):
        beep.play()
      if beep2_rect.collidepoint(event.pos):
        beep2.play()
    # ignore all other events

# start of main program
makebutton()
# load the sound file just once
snd = pygame.mixer.Sound('/usr/share/sounds/alsa/Side_Left.wav')
# and another way to make a beep
# this only works with Python 3
buff = bytes.fromhex(('10'*60+'F0'*60)*200)
beep = pygame.mixer.Sound(buffer=buff)
# and a different sound
buff = bytes.fromhex(''.join([('10'*(60-i//40)+'F0'*(60-i//40)) for i in range(200)]))
beep2 = pygame.mixer.Sound(buffer=buff)

# run the main loop in a function
main()
# if we don't call quit(), the window doesn't close
# because another thread is running
pygame.quit()