/*
 *  This sketch sends a message to a TCP server
 *
 */

#include <WiFi.h>
#include <WiFiMulti.h>

WiFiMulti WiFiMulti;

void setup()
{
    Serial.begin(115200);
    delay(10);

    // We start by connecting to a WiFi network
    WiFiMulti.addAP("HANGAR_convidats", "convidatsHANGAR");

    Serial.println();
    Serial.println();
    Serial.print("Waiting for WiFi... ");

    while(WiFiMulti.run() != WL_CONNECTED) {
        Serial.print(".");
        delay(500);
    }

    Serial.println("");
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
    pinMode(13, INPUT_PULLUP);
    
    delay(500);
}

const uint16_t port = 22000;
const char * host = "172.24.6.165"; // ip or dns

void loop()
{
  Serial.println(digitalRead(13));
  
  if (digitalRead(13))
    {
      Serial.print("Connecting to ");
      Serial.println(host);
      // Use WiFiClient class to create TCP connections
      WiFiClient client;
      
      if (!client.connect(host, port)) {
          Serial.println("Connection failed.");
          Serial.println("Waiting 5 seconds before retrying...");
          delay(100);
          return;
      }
  
      // This will send a request to the server
      client.print("go");
  
      //read back one line from the server
  //    String line = client.readStringUntil('\r');
  //    client.println(line);
  
      Serial.println("Closing connection.");
      client.stop();
  
      Serial.println("Waiting 5 seconds before restarting...");
      delay(5000);
    }
}