#Carlos Benito Ramirez Vazquez / GDS0641 / Unidad 1 / Evaluacion
from servo import Servo
from dht import DHT22
import math
from machine import Pin, I2C, ADC, PWM
from esp8266_i2c_lcd import I2cLcd  
from time import sleep
from ssd1306 import SSD1306_I2C

RL10 = 50  
GAMMA = 0.7

led1 = Pin(16, Pin.OUT)
led2 = Pin(17, Pin.OUT)
led3 = Pin(23, Pin.OUT)
bOn = Pin(19, Pin.IN, Pin.PULL_UP)
bOff = Pin(18, Pin.IN, Pin.PULL_UP)
bTwo = Pin(4, Pin.IN, Pin.PULL_UP)


I2C_ADDR = 0x27 
I2C_NUM_ROWS = 4
I2C_NUM_COLS = 20
i2c = I2C(0, scl=Pin(22), sda=Pin(21))  
i2c_lcd = I2C(1, scl=Pin(33), sda=Pin(32), freq=400000) 
lcd = I2cLcd(i2c_lcd, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)  
sensor = DHT22(Pin(27)) 
oled = SSD1306_I2C(128, 64, i2c) 


rgb_red = Pin(12, Pin.OUT)
rgb_green = Pin(13, Pin.OUT)


servo = Servo(Pin(15))

#Estado del led
state = False
state2 = False


ldr_pin = ADC(Pin(26))
ldr_pin.atten(ADC.ATTN_11DB)
ldr_pin.width(ADC.WIDTH_12BIT)
ledLuz = Pin(14, Pin.OUT)

#funcion para encendido y apagado del LED
def toggle(pin):
    global state2
    state2 = not state2
    led3.value(state2)

#funcion para encender el led
def on(pin):
    global state
    state = True
    led1.value(state)
    led2.value(state)

#funcion que apaga el led
def off(pin):
    global state
    state = False
    led1.value(state)
    led2.value(state)


bOn.irq(trigger=Pin.IRQ_FALLING, handler=on)
bOff.irq(trigger=Pin.IRQ_FALLING, handler=off)
bTwo.irq(trigger=Pin.IRQ_FALLING, handler=toggle)


def semaforo_temperatura(temperatura):
    if temperatura < 30:
        rgb_red.value(0)
        rgb_green.value(1)
    else:
        rgb_red.value(1)
        rgb_green.value(0)


def calculate_lux(analog_value):
    voltage = analog_value / 4095.0 * 3.3
    resistance = 2000 * voltage / (1 - voltage / 3.3)
    lux = math.pow(RL10 * 1e3 * math.pow(10, GAMMA) / resistance, (1 / GAMMA)) / 1.808
    return lux

while True:
    sensor.measure()
    t = sensor.temperature()
    h = sensor.humidity()
    

    oled.fill(0)
    oled.text("T: %3.1f grados" % t, 10, 13)
    oled.text("H: %3.1f%% humedad" % h, 10, 40)
    

    lcd.clear()
    lcd.putstr("T: %3.1f grados" % t)
    lcd.move_to(0, 1)
    lcd.putstr("H: %3.1f%% humedad" % h)


    if t > 50:
        lcd.move_to(0, 2)
        lcd.putstr("TEMPERATURA ALTA")
        oled.text("TEMPERA ALTA", 10, 25)
    else:
        oled.text("", 10, 25)
    
    oled.show()


    semaforo_temperatura(t)


    if t > 30:
        servo.move(90)
    else:
        servo.move(0)


    analog_value = ldr_pin.read()
    lux = calculate_lux(analog_value)
    print("Lux:", lux)


    if lux < 1000:
        ledLuz.value(1)
    else:
        ledLuz.value(0)

    sleep(1)