"""
Connect to a Wifi Hotspot, creds are stored in 'creds' file.

"""

import network

# For display
import random
from machine import Pin, SPI
import st7789 as st7789
import time
import utime
# Choose a font
#from fonts import vga1_8x8 as font
#from fonts import vga2_8x8 as font
#from fonts import vga1_8x16 as font
from fonts import vga2_8x16 as font
#from fonts import vga1_16x16 as font
#from fonts import vga1_bold_16x16 as font
#from fonts import vga2_16x16 as font
#from fonts import vga2_bold_16x16 as font

def main():
    tft = st7789.ST7789(
        SPI(2, baudrate=30000000, polarity=1, phase=1, sck=Pin(18), mosi=Pin(19)),
        135,
        240,
        reset=Pin(23, Pin.OUT),
        cs=Pin(5, Pin.OUT),
        dc=Pin(16, Pin.OUT),
        backlight=Pin(4, Pin.OUT),
        rotation=3
    )
    tft.init()
    tft.fill(st7789.BLACK)

    file = open('creds', 'r')
    wifi_ssid = file.readline().rstrip("\n")
    wifi_pass = file.readline().rstrip("\n")
    file.close()

    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    if not wlan.isconnected():
        tft.text(font, "Init", 0, 0, st7789.WHITE)
        print('Init connection to Wifi...')
        wlan.connect(wifi_ssid, wifi_pass)
        while not wlan.isconnected():
            tft.text(font, "Connecting ...", 0, 0, st7789.RED)
            print('connecting...')
            utime.sleep(1)
            tft.text(font, "Connecting ...", 0, 0, st7789.BLACK)
            pass
    
    tft.text(font, "Connected", 0, 0,  st7789.WHITE)
    print('Connected')

    wlan_config = wlan.ifconfig()
    print('network config:', wlan_config)
    tft.text(font, "IP/network: ", 0, 32, st7789.WHITE)
    tft.text(font, wlan_config[0] + "/" + wlan_config[1], 10, 53, st7789.GREEN)
    tft.text(font, "Gw/DNS: ", 0, 75, st7789.WHITE)
    tft.text(font, wlan_config[2] + "/" + wlan_config[3], 10, 96, st7789.GREEN)

main()