/**
 * Helloworld style, connect an ESP8266 to the IBM IoT Foundation
 * 
 * Author: Ant Elder
 * License: Apache License v2
 */
#include <ESP8266WiFi.h>
#include <PubSubClient.h> // https://github.com/knolleary/pubsubclient/releases/tag/v2.3

//-------- Customise these values -----------
const char* ssid = "CENSIS";
const char* password = "Censis2016";
// HostName=rakh-iot.azure-devices.net;SharedAccessKeyName=iothubowner;SharedAccessKey=0exJmH98T/mZyyaOXtq64DHVr/dKkth1+xy563KBmDQ=

#define ORG "rakh-iot"
#define DEVICE_TYPE "ESP8266"
#define DEVICE_ID "BASIC-CMMC-000"
#define TOKEN ""
//-------- Customise the above values --------

//char server[] = ORG "40.114.194.229";
char server[] = "40.114.194.229";
char topic[] = "iot-2/evt/status/fmt/json";
char authMethod[] = "use-token-auth";
char token[] = TOKEN;
char clientId[] = "d:" ORG ":" DEVICE_TYPE ":" DEVICE_ID;

WiFiClient wifiClient;
PubSubClient client(server, 1883, NULL, wifiClient);

void setup() {
 Serial.begin(115200);
 Serial.println();

 Serial.print("Connecting to "); Serial.print(ssid);
 WiFi.begin(ssid, password);
 while (WiFi.status() != WL_CONNECTED) {
 delay(500);
 Serial.print(".");
 } 
 Serial.println("");

 Serial.print("WiFi connected, IP address: "); Serial.println(WiFi.localIP());
}

int counter = 0;

void loop() {

 if (!!!client.connected()) {
 Serial.print("Reconnecting client to ");
 Serial.println(server);
 while (!!!client.connect(clientId, authMethod, token)) {
 Serial.print(".");
 delay(500);
 }
 Serial.println();
 }

 String payload = "{\"d\":{\"myName\":\"ESP8266.Test1\",\"counter\":";
 payload += counter;
 payload += "}}";
 
 Serial.print("Sending payload: ");
 Serial.println(payload);
 
 if (client.publish(topic, (char*) payload.c_str())) {
 Serial.println("Publish ok");
 } else {
 Serial.println("Publish failed");
 }

 ++counter;
 delay(10000);
}