// Não funcionou ...

#include <SoftwareSerial.h>
#include <LiquidCrystal_I2C.h>

#define DEBUG false

LiquidCrystal_I2C lcd(0x27,16,2);

SoftwareSerial esp8266(2,3); // make RX Arduino line is pin 3, make TX Arduino line is pin 2.

// String retorno;

void setup() {

    Serial.begin(9600);

    lcd.init();
    lcd.backlight();
    lcd.clear();

    lcd.setCursor(0,0);
    lcd.print("Fac.  Tecnologia");
    lcd.setCursor(0,1);
    lcd.print("Unicamp  Limeira");
 
    esp8266.begin(115200);
      
    sendData("AT+RST\r\n",2000,DEBUG); // reset module
    sendData("AT\r\n",2000,DEBUG); // reset module
    sendData("AT+CWMODE=1\r\n",2000,DEBUG); // configure as Wireless Station mode
    sendData("AT+CWJAP=\"Wokwi-GUEST\",\"\"\r\n", 6000, DEBUG); //Put Your SSID and password if activate as Station mode else comment down the line
   
}

void loop() {

   Serial.println("Loop ...");

    char payload[500];
    String retorno;    
    
    sprintf(payload,"AT+HTTPCLIENT=2,0,\"http://disciplinasfatec.000webhostapp.com/base.txt\",\"disciplinasfatec.000webhostapp.com\",\"/base.txt\",1\r\n");

    lcd.clear();
 
    retorno = sendData(payload,2000,DEBUG);
    retorno.trim();
    
    int posicao = retorno.indexOf('|');
 
    lcd.setCursor(0,0);
    //lcd.print(retorno);
    lcd.print(retorno.substring(posicao+1,posicao+5));
    lcd.print(" ");
    lcd.print(retorno.length());
    delay(10000);

}

String sendData(String command, const int timeout, boolean debug)  {

    String retor = "";
    char c = " ";

    esp8266.print(command); // send the read character to the esp8266
    long int time = millis();

    while( (time+timeout) > millis()) {
      while(esp8266.available()) {
        c = esp8266.read();
        //Serial.write(c);
        retor += c;
        //retor.concat(c);
        //Serial.write(esp8266.read());
      }  
    }

  return retor;

}