import network
import urequests
from machine import ADC,Pin
import time
import dht
import math


# Replace with your Wi-Fi network credentials


# Replace with your ThingSpeak API key and channel ID
API_KEY = '7X4NETQTTUDE93YS'
CHANNEL_ID = '2104032'

# Define the GPIO pin connected to the DHT22 sensor
sensor = dht.DHT22(Pin(14))

ldr_pin = 2
gama = 0.7
rl10 = 50
def map(value, fromLow, fromHigh, toLow, toHigh):
    return int((value - fromLow) * (toHigh - toLow) / (fromHigh - fromLow) + toLow)

ldr_pin = Pin(2, Pin.IN)
#adc = LDR(Pin(2))
#adc.atten(ADC.ATTN_11DB) 

def ldr():
    nilaiLDR = adc.measure()
    nilaiLDR = map(nilaiLDR, 4095, 0, 1024, 0) # Mengubah nilai pembacaan sensor LDR dari nilai ADC Arduino menjadi nilai ADC ESP32
    voltase = nilaiLDR / 1024. * 5
    resistansi = 2000 * voltase / (1 - voltase / 5)
    kecerahan = pow(rl10 * 1e3 * pow(10, gama) / resistansi, (1 / gama))
    print("Kecerahan =", kecerahan)
    return kecerahan

# Connect to Wi-Fi network
print("Connecting to WiFi", end="")
sta_if = network.WLAN(network.STA_IF)
sta_if.active(True)
sta_if.connect('Wokwi-GUEST', '')
while not sta_if.isconnected():
  print(".", end="")
  time.sleep(0.1)
print(" Connected!")



# Main loop
while True:
  try:
    time.sleep(2)
    ldr_value = ldr_pin.value()
    print("LDR value:", ldr_value)
    sensor.measure()
    temp = sensor.temperature()
    hum = sensor.humidity()
    url = 'https://api.thingspeak.com/update?api_key=' + API_KEY + '&field1=' + str(hum) +'&field2=' + str(temp)
    response = urequests.get(url)
    print('Data sent to ThingSpeak:', response.text)
    response.close()
    temp_f = temp * (9/5) + 32.0
    print('Temperature: %3.1f C' %temp)
    print('Temperature: %3.1f F' %temp_f)
    print('Humidity: %3.1f %%' %hum)
  except OSError as e:
    print('Failed to read sensor.')