# SPDX-FileCopyrightText: 2021 Eva Herrada for Adafruit Industries
# SPDX-License-Identifier: MIT

import time
from os import getenv

import adafruit_connection_manager
import adafruit_displayio_ssd1306
import adafruit_minimqtt.adafruit_minimqtt as MQTT
import board
import busio
import displayio
import neopixel
import terminalio
from adafruit_display_text import label
from adafruit_esp32spi import adafruit_esp32spi, adafruit_esp32spi_wifimanager
from adafruit_io.adafruit_io import IO_MQTT
from adafruit_lc709203f import LC709203F
from digitalio import DigitalInOut
from i2cdisplaybus import I2CDisplayBus

displayio.release_displays()

# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
ssid = getenv("CIRCUITPY_WIFI_SSID")
password = getenv("CIRCUITPY_WIFI_PASSWORD")
aio_username = getenv("ADAFRUIT_AIO_USERNAME")
aio_key = getenv("ADAFRUIT_AIO_KEY")

### WiFi ###

# If you are using a board with pre-defined ESP32 Pins:
esp32_cs = DigitalInOut(board.ESP_CS)
esp32_ready = DigitalInOut(board.ESP_BUSY)
esp32_reset = DigitalInOut(board.ESP_RESET)

# If you have an externally connected ESP32:
# esp32_cs = DigitalInOut(board.D13)
# esp32_ready = DigitalInOut(board.D11)
# esp32_reset = DigitalInOut(board.D12)

# Secondary (SCK1) SPI used to connect to WiFi board on Arduino Nano Connect RP2040
if "SCK1" in dir(board):
    spi = busio.SPI(board.SCK1, board.MOSI1, board.MISO1)
else:
    spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)

"""Use below for Most Boards"""
status_pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
"""Uncomment below for ItsyBitsy M4"""
# status_pixel = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
"""Uncomment below for an externally defined RGB LED (including Arduino Nano Connect)"""
# import adafruit_rgbled
# from adafruit_esp32spi import PWMOut
# RED_LED = PWMOut.PWMOut(esp, 26)
# GREEN_LED = PWMOut.PWMOut(esp, 27)
# BLUE_LED = PWMOut.PWMOut(esp, 25)
# status_pixel = adafruit_rgbled.RGBLED(RED_LED, BLUE_LED, GREEN_LED)

wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)


# Define callback functions which will be called when certain events happen.
def connected(client):
    client.subscribe("battery")


def subscribe(client, userdata, topic, granted_qos):
    # This method is called when the client subscribes to a new feed.
    print(f"Subscribed to {topic} with QOS level {granted_qos}")


def message(client, feed_id, payload):
    print(f"Feed {feed_id} received new value: {payload}")


# Connect to WiFi
print("Connecting to WiFi...")
wifi.connect()
print("Connected!")

pool = adafruit_connection_manager.get_radio_socketpool(esp)
ssl_context = adafruit_connection_manager.get_radio_ssl_context(esp)

# Initialize a new MQTT Client object
mqtt_client = MQTT.MQTT(
    broker="io.adafruit.com",
    username=aio_username,
    password=aio_key,
    socket_pool=pool,
    ssl_context=ssl_context,
)

# Initialize an Adafruit IO MQTT Client
io = IO_MQTT(mqtt_client)

# Connect the callback methods defined above to Adafruit IO
io.on_connect = connected
io.on_subscribe = subscribe
io.on_message = message

# Connect to Adafruit IO
print("Connecting to Adafruit IO...")
io.connect()

display_bus = I2CDisplayBus(board.I2C(), device_address=0x3C)

WIDTH = 128
HEIGHT = 32
BORDER = 2

display = adafruit_displayio_ssd1306.SSD1306(display_bus, width=WIDTH, height=HEIGHT)

splash = displayio.Group()
display.root_group = splash

digital_label = label.Label(terminalio.FONT, text="Battery Percent: ", color=0xFFFFFF, x=4, y=4)
splash.append(digital_label)
alarm_label = label.Label(terminalio.FONT, text="Voltage: ", color=0xFFFFFF, x=4, y=14)
splash.append(alarm_label)

sensor = LC709203F(board.I2C())

start = 0
while True:
    io.loop()
    percent = sensor.cell_percent
    if time.time() - start > 60:
        io.publish("battery", int(percent))
        start = time.time()
    splash[0].text = f"Percent: {str(int(percent))}%"
    splash[1].text = f"Voltage: {str(sensor.cell_voltage)}"
    time.sleep(1)