//#include <ROBISYS.h>


#include <ESP8266WiFi.h>
#include <PubSubClient.h>

//   Stationsmode (STA mode)
#ifndef STASSID
#define STASSID "OpenWrt"
#define STAPSK  "1234123487658765"
#endif

 
//const char* SSID = "NETZWERKNAME";
//const char* PSK = "NETZWERKSCHLUESSEL";
const char* ssid = STASSID;
const char* password = STAPSK;
//const char* MQTT_BROKER = "BROKER_IP";
const char* MQTT_BROKER = "192.168.1.1";
 
WiFiClient espClient;
PubSubClient client(espClient);
long lastMsg = 0;
char msg[50];
int value = 0;
 
void setup() {
    //pinMode(13, OUTPUT);
   
    // prepare GPIO2
    pinMode(2,OUTPUT);
    digitalWrite(2,0);
    
    //Serial.begin(115200);
    Serial.begin(9600);
    setup_wifi();
    client.setServer(MQTT_BROKER, 1883);
    client.setCallback(callback);
}
 
void setup_wifi() {
    delay(10);
    Serial.println();
    Serial.print("Connecting to ");
    Serial.println(ssid);
 
    WiFi.begin(ssid, password);
 
    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }
 
    Serial.println("");
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
}
 
void callback(char* topic, byte* payload, unsigned int length) {
    Serial.print("Received message [");
    Serial.print(topic);
    Serial.print("] ");
    char msg[length+1];
    for (int i = 0; i < length; i++) {
        Serial.print((char)payload[i]);
        msg[i] = (char)payload[i];
    }
    Serial.println();
 
    msg[length] = '\0';
    Serial.println(msg);
 
    if(strcmp(msg,"on")==0){
        //digitalWrite(13, HIGH);
        digitalWrite(2,0);
    }
    else if(strcmp(msg,"off")==0){
        //digitalWrite(13, LOW);
        digitalWrite(2,1);
    }
}
 
void reconnect() {
    while (!client.connected()) {
        Serial.println("Reconnecting MQTT...");
        if (!client.connect("ESP8266Client")) {
            Serial.print("failed, rc=");
            Serial.print(client.state());
            Serial.println(" retrying in 5 seconds");
            delay(5000);
        }
    }
    client.subscribe("/home/data");
    Serial.println("MQTT Connected...");
}
 
void loop() {
    if (!client.connected()) {
        reconnect();
    }
    client.loop();
}