"""
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Raspberry Pi Pico SSD1306 OLED Display (MicroPython)     ┃
┃                                                          ┃
┃ A program to display Raspberry Pi logo, text, and a      ┃
┃ simple timer animation on an SSD1306 OLED display        ┃
┃ connected to a Raspberry Pi Pico.                        ┃
┃                                                          ┃
┃ Copyright (c) 2023 Anderson Costa                        ┃
┃ GitHub: github.com/arcostasi                             ┃
┃ License: MIT                                             ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
"""

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C
#from SSD1306_Large import SSD1306_8x3
import imgfile
import io
import framebuf, sys
import utime

#########################################
#led_board = machine.Pin("LED", machine.Pin.OUT)
#led_board.on()

# rele
#rele1 = machine.Pin(0, machine.Pin.OUT)
#rele2 = machine.Pin(1, machine.Pin.OUT)
#rele3 = machine.Pin(2, machine.Pin.OUT)
#rele4 = machine.Pin(3, machine.Pin.OUT)

pix_res_x  = 128 # SSD1306 horizontal resolution
pix_res_y = 64   # SSD1306 vertical resolution
sda_pin = 26
scl_pin = 27

# large display
#display = SSD1306_8x3(Pin(sda_pin),Pin(scl_pin))
#########################################

def init_i2c(scl_pin, sda_pin):
    # Initialize I2C device
    i2c_dev = I2C(1, scl=Pin(scl_pin), sda=Pin(sda_pin), freq=200000)
    i2c_addr = [hex(ii) for ii in i2c_dev.scan()]
    
    if not i2c_addr:
        print('No I2C Display Found')
        sys.exit()
    else:
        print("I2C Address      : {}".format(i2c_addr[0]))
        print("I2C Configuration: {}".format(i2c_dev))
    
    return i2c_dev

def display_logo(oled):
    # Display the Raspberry Pi logo on the OLED
    buffer = bytearray(b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00|?\x00\x01\x86@\x80\x01\x01\x80\x80\x01\x11\x88\x80\x01\x05\xa0\x80\x00\x83\xc1\x00\x00C\xe3\x00\x00~\xfc\x00\x00L'\x00\x00\x9c\x11\x00\x00\xbf\xfd\x00\x00\xe1\x87\x00\x01\xc1\x83\x80\x02A\x82@\x02A\x82@\x02\xc1\xc2@\x02\xf6>\xc0\x01\xfc=\x80\x01\x18\x18\x80\x01\x88\x10\x80\x00\x8c!\x00\x00\x87\xf1\x00\x00\x7f\xf6\x00\x008\x1c\x00\x00\x0c \x00\x00\x03\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00")
    fb = framebuf.FrameBuffer(buffer, 32, 32, framebuf.MONO_HLSB)
    
    oled.fill(0)
    oled.blit(fb, 96, 0)
    oled.show()

def display_text(oled):
    # Display text on the OLED
    oled.text("Raspberry Pi", 5, 5)
    oled.text("Pico", 5, 15)
    oled.show()

def display_test(oled):
    oled.fill(0)
    oled.blit(imgfile.malina(), 0, 0)
    oled.show()
    utime.sleep(2)
    
    oled.fill(0)
    oled.blit(imgfile.kojot(), 0, 0)
    oled.show()
    utime.sleep(2)
    
    viewData = '2,35kW' #data["meterNode"]["viewData"]
    print("Sit - CEZ", viewData)
    #display.Clear()
    #display.line1('Sit-CEZ')
    #display.line2(viewData[:8])
    #display.line3(viewData[8:16])
    #display.Show()
    #utime.sleep(5)
    #led_board.toggle()

def display_anima(oled):
    # Display a simple timer animation on the OLED
    start_time = utime.ticks_ms()
    elapsed_time = 0

    while elapsed_time < 10:
        elapsed_time = (utime.ticks_diff(utime.ticks_ms(), start_time) // 1000) + 1
        
        # Clear the specific line by drawing a filled black rectangle
        oled.fill_rect(5, 40, oled.width - 5, 8, 0)
        #oled.fill_rect(5, 40, 5, 8, 0)

        oled.text("Timer:", 0, 30)
        oled.text(str(elapsed_time) + " sec", 5, 40)
        oled.show()
        utime.sleep_ms(1000)

def main():
    i2c_dev = init_i2c(scl_pin=27, sda_pin=26)
    oled = SSD1306_I2C(pix_res_x, pix_res_y, i2c_dev)

    display_test(oled)
    oled.fill(0)

    display_logo(oled)
    display_text(oled)
    display_anima(oled)

if __name__ == '__main__':
    main()