from machine import Pin, PWM, SoftI2C
import time
import ssd1306
import dht

# print("Hello, ESP32!")

button = Pin(14, Pin.IN)
frequency = 5000
led = PWM(Pin(12), frequency)

servo = PWM(Pin(13), freq=50)

# humidity_sensor = Pin(26, Pin.IN)

slide_switch = Pin(27, Pin.IN)

isIncrement = True
afterSwitchOn = False
isSet = False
duty_cycle = 1
temp_duty_cycle = 1

buzzer_frequency = 440

first_display = True

d = dht.DHT22(Pin(26))
d.measure()
old_temp = d.temperature()

i2c = SoftI2C(scl=Pin(22), sda=Pin(21))

oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)

oled.text('Welcome', 0, 0)
oled.text('Line 2', 0, 10)
oled.text('Line3', 0, 20)
        
oled.show()
time.sleep(2)

oled.fill(0)
oled.show()

print("Begin")
while True:
    # print(button.value())
    # print(slide_switch.value())

    d.measure() 
    # print("Temperature reading: ", d.temperature())
    temp_reading = "Temp: " + str(d.temperature()) + "C"

    if first_display:
        oled.text(temp_reading, 0, 0)
        oled.show()
        first_display = False

    if d.temperature() != old_temp:
        oled.fill(0)
        oled.show()
        oled.text(temp_reading, 0, 0)
        oled.show()
        old_temp = d.temperature()

    if slide_switch.value() == 1:
        # set the led to full brightness or on
        # we want to keep the original state of the led brightness
        if not isSet:
            temp_duty_cycle = duty_cycle
            isSet = True
        duty_cycle = 1022
        led.duty(duty_cycle)
        afterSwitchOn = True
    else:
        if afterSwitchOn:
            duty_cycle = temp_duty_cycle
            led.duty(duty_cycle)
            afterSwitchOn = False
            isSet = False
    # print("here")
    # print(temp_duty_cycle)
    if button.value() == 1:
        # print("Button Pressed")
        if isIncrement:
            print("Incrementing")
            # print(duty_cycle)
            led.duty(duty_cycle)
            duty_cycle += 1

            if duty_cycle > 1022:
                isIncrement = False

        else:
            print("Decrementing")
            # print(duty_cycle)
            led.duty(duty_cycle)
            duty_cycle -= 1

            if duty_cycle < 1:
                isIncrement = True
        
        time.sleep(0.005)

    if d.temperature() >= 40.0:
        beeper = PWM(Pin(25), buzzer_frequency)
        time.sleep(0.1)
        beeper.deinit()
        time.sleep(1)

    elif d.temperature() >= 35.0:
        beeper = PWM(Pin(25), buzzer_frequency)
        time.sleep(0.1)
        beeper.deinit()
        time.sleep(2)

    if d.temperature() > 40:
        servo.duty_ns(500000)
    else:
        servo.duty_ns(1480000)



    # time.sleep(0.5)

    # for duty_cycle in range(0, 1024):
    #     led.duty(duty_cycle)
    #     time.sleep(0.005)
    # print("Done Increasing")
    # for duty_cycle in range(1023, -1, -1):
    #     led.duty(duty_cycle)
    #     time.sleep(0.005)
    # print("Done Decreasing")