from luma.core.interface.serial import spi
from luma.core.render import canvas
from luma.lcd.device import ili9488
from PIL import Image, ImageOps, ImageDraw,ImageFont
import os
import time
import RPi.GPIO as GPIO

serial = spi(port=0, device=0, gpio_DC=23, gpio_RST=24, spi_speed_hz=32000000)

device = ili9488(serial, rotate=2,
				 gpio_LIGHT=18, active_low=False) # BACKLIGHT PIN = GPIO 18, active High

device.backlight(False) # Turn OFF backlight first

BACKLIGHT_PIN = 18

pwm = GPIO.PWM(BACKLIGHT_PIN, 1000)
pwm.start(0)

image = Image.open("bbd.jpg")
img_resized = image.resize((200, 200), Image.LANCZOS)
background=Image.new(device.mode,device.size,"black")
background.paste(img_resized)
draw=ImageDraw.Draw(background)
font=ImageFont.load_default()
font2=ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf',30)
menu=["item1","item2","item3","item4","item5","item6","item7","item8","item9","item10","item11","item12"]

def fade_in():
	for duty_cycle in range(0, 101, 1):
		pwm.ChangeDutyCycle(duty_cycle)
		time.sleep(0.01)

def fade_out():
	for duty_cycle in range(100, -1, -1):
		pwm.ChangeDutyCycle(duty_cycle)
		time.sleep(0.001)

def init_menu(menu,i):
	left=200
	width=500
	nb_lines=9
	size_menu=len(menu)
	bloc_indice=i//nb_lines
	line_select=i%nb_lines
	decalage=bloc_indice*nb_lines
	#draw=ImageDraw.Draw(img_resized)

	
	for j in range(0,nb_lines): 
	  if j+decalage<len(menu):
		 if j==line_select:
			 color="yellow"
		 else:
			 color="blue"	
		 draw.rectangle((left,j*35,min(left+width,475),min(j*35+35,318)),outline="white",fill=color)
		 draw.text((left,j*35),menu[j+decalage],font=font2,fill="red")
	  else:
		 draw.rectangle((left,j*35,min(left+width,475),min(j*35+35,318)),outline="black",fill="black") 
	device.display(background)
		 
images_folder = "/home/pierre"
files = os.listdir(images_folder)
jpg_files = [file for file in files if file.endswith('.jpg')]
jpg_file_list = sorted(jpg_files)

l=7
while True:
		init_menu(menu,l)
		l-=1
		l=l%len(menu)
		fade_in()
		time.sleep(0.5)
		fade_out()