from machine import Pin, ADC, Timer
from time import sleep
import sys, urequests, network
import urequests

ldr = ADC(34)

# Informação para a rede WiFi
WIFI_SSID = "Wokwi-GUEST"
WIFI_PASSWORD = ""

# Conexão do wifi
def conexao_wifi():
    wifi = network.WLAN(network.STA_IF)
    wifi.active(True)
    wifi.disconnect()
    wifi.connect(WIFI_SSID,WIFI_PASSWORD)
    if not wifi.isconnected():
        print('Conectando..')
        timeout = 0
        while (not wifi.isconnected() and timeout < 10):
            print(10 - timeout)
            timeout = timeout + 1
            sleep(1) 
    if(wifi.isconnected()):
        print('Conectado!')
    else:
        print('NÃO Conectado!')
        sys.exit()
    print('Config. da rede', wifi.ifconfig())
        
conexao_wifi()

HTTP_HEADERS = {'Content-Type': 'application/json'} 
THINGSPEAK_WRITE_API_KEY = 'RCP838I779FFYKXX' # Chave (key) de escrita p/ o ThingSpeak

while True:
    ldr = ADC(34)
    valor = ldr.read()
    print(f'Luminosidade: {valor}')

    leituras = {'field1':valor} 
    request = urequests.post( 'http://api.thingspeak.com/update?api_key=' + THINGSPEAK_WRITE_API_KEY, json = leituras, headers = HTTP_HEADERS )  
    request.close() 
    print(leituras) 
    print('| Mensagem enviada ao ThingSpeak! |')
    sleep(10)