/*
  Repeating WiFi Web Client

  This sketch connects to a a web server and makes a request
  using an Arduino WiFi 101 Shield.

  Circuit:
   WiFi 101 Shield attached to pins SPI pins and pin 7

  created 23 April 2012
  modified 31 May 2012
  by Tom Igoe
  modified 13 Jan 2014
  by Federico Vanzati

  http://arduino.cc/en/Tutorial/WiFiWebClientRepeating
  This code is in the public domain.
*/

#include <SPI.h>
#include <WiFi101_Generic.h>      // https://github.com/khoih-prog/WiFi101_Generic

#include "arduino_secrets.h"
///////please enter your sensitive data in the Secret tab/arduino_secrets.h
char ssid[] = SECRET_SSID;        // your network SSID (name)
char pass[] = SECRET_PASS;    // your network password (use for WPA, or use as key for WEP)
int keyIndex = 0;            // your network key Index number (needed only for WEP)

int status = WL_IDLE_STATUS;

// Initialize the WiFi client library
WiFiClient client;

// server address:
char server[] = "example.org";
//IPAddress server(64,131,82,241);

unsigned long lastConnectionTime = 0;            // last time you connected to the server, in milliseconds
const unsigned long postingInterval = 10L * 1000L; // delay between updates, in milliseconds

void setup()
{
  //Initialize serial and wait for port to open:
  Serial.begin(115200);

  while (!Serial && millis() < 5000);

  delay(500);

  // check for the presence of the shield:
  if (WiFi.status() == WL_NO_SHIELD)
  {
    Serial.println("WiFi 101 Shield not present");

    // don't continue:
    while (true);
  }

  // attempt to connect to WiFi network:
  while ( status != WL_CONNECTED)
  {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
    status = WiFi.begin(ssid, pass);

    // wait 10 seconds for connection:
    delay(10000);
  }

  // you're connected now, so print out the status:
  printWiFiStatus();
}

void loop()
{
  // if there's incoming data from the net connection.
  // send it out the serial port.  This is for debugging
  // purposes only:
  while (client.available())
  {
    char c = client.read();
    Serial.write(c);
  }

  // if ten seconds have passed since your last connection,
  // then connect again and send data:
  if (millis() - lastConnectionTime > postingInterval)
  {
    httpRequest();
  }

}

// this method makes a HTTP connection to the server:
void httpRequest()
{
  // close any connection before sending a new request.
  // This will free the socket on the WiFi 101 Shield
  client.stop();

  // if there's a successful connection:
  if (client.connect(server, 80))
  {
    Serial.println("connecting...");
    // send the HTTP PUT request:
    client.println("GET / HTTP/1.1");
    client.println("Host: example.org");
    client.println("User-Agent: ArduinoWiFi/1.1");
    client.println("Connection: close");
    client.println();

    // note the time that the connection was made:
    lastConnectionTime = millis();
  }
  else
  {
    // if you couldn't make a connection:
    Serial.println("connection failed");
  }
}


void printWiFiStatus()
{
  // print the SSID of the network you're attached to:
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your WiFi 101 Shield's IP address:
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);

  // print the received signal strength:
  long rssi = WiFi.RSSI();
  Serial.print("signal strength (RSSI):");
  Serial.print(rssi);
  Serial.println(" dBm");
}
