#include <ESP8266WiFi.h>
#include <PubSubClient.h>
#include <AutoConnect.h>
#include <ESP8266WebServer.h>

ESP8266WebServer Server;          // Replace with WebServer for ESP32
AutoConnect Portal(Server);

const char* mqtt_server = "your mqtt broker ip";
String temat;

int Relay1 =5;
int Relay2 =4;
int Relay3 =0;
int Relay4 =2;
int Relay5 =14;
int Relay6 =12;
int Relay7 =13;
int Relay8 =15;

WiFiClient espClient;
PubSubClient client(espClient);
unsigned long lastMsg = 0;
#define MSG_BUFFER_SIZE  (50)
char msg[MSG_BUFFER_SIZE];
int value = 0;

void rootPage() {
  char content[] = "Hello, world";
  Server.send(200, "text/plain", content);
}

void setup_wifi(){
  /*delay(10);
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  */
  while(WiFi.status() != WL_CONNECTED){
    delay(500);
    Serial.print(".");
  }


  randomSeed(micros());

  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("Message arrived [");
  Serial.print(topic);
  char* c;
  temat.toCharArray(c,sizeof(c));
  topic = c;
  Serial.print("] ");
  for (int i = 0; i < length; i++) {
    Serial.print((char)payload[i]);
  }
  Serial.println();

  if((char)payload[0] == '0'){
      digitalWrite(Relay1, HIGH);
      Serial.println("mam wiadomosc szefie : 1");
   }
   else if((char)payload[0] == '1'){
      digitalWrite(Relay1, LOW);
      Serial.println("mam wiadomosc szefie : 2");
   }
   else if((char)payload[0] == '2'){
      digitalWrite(Relay2, HIGH);
      Serial.println("mam wiadomosc szefie : 3");
   }
   else if((char)payload[0] == '3'){
      digitalWrite(Relay2, LOW);
      Serial.println("mam wiadomosc szefie : 4");
   }
   else if((char)payload[0] == '4'){
      digitalWrite(Relay3, HIGH);
      Serial.println("mam wiadomosc szefie : 5");
   }
   else if((char)payload[0] == '5'){
      digitalWrite(Relay3, LOW);
      Serial.println("mam wiadomosc szefie : 6");
   }
   else if((char)payload[0] == '6'){
      digitalWrite(Relay4, HIGH);
      Serial.println("mam wiadomosc szefie : 7");
   }
   else if((char)payload[0] == '7'){
      digitalWrite(Relay4, LOW);
      Serial.println("mam wiadomosc szefie : 8");
   }
   else if((char)payload[0] == '8'){
      digitalWrite(Relay5, HIGH);
      Serial.println("mam wiadomosc szefie : 9");
   }
   else if(((char)payload[0] == '9')){
      digitalWrite(Relay5, LOW);
      Serial.println("mam wiadomosc szefie : 0");
   }
   else if((char)payload[0] == 'a'){
      digitalWrite(Relay6, HIGH);
      Serial.println("mam wiadomosc szefie : a");
   }
   else if((char)payload[0] == 'b'){
      digitalWrite(Relay6, LOW);
      Serial.println("mam wiadomosc szefie : b");
   }
   else if((char)payload[0] == 'c'){
      digitalWrite(Relay7, HIGH);
      Serial.println("mam wiadomosc szefie : c");
   }
   else if((char)payload[0] == 'd'){
      digitalWrite(Relay7, LOW);
      Serial.println("mam wiadomosc szefie : d");
   }
   else if((char)payload[0] == 'e'){
      digitalWrite(Relay8, HIGH);
      Serial.println("mam wiadomosc szefie : e");
   }
   else if((char)payload[0] == 'f'){
      digitalWrite(Relay8, LOW);
      Serial.println("mam wiadomosc szefie : f");
   }
   else if((char)payload[0] == 'g'){
      digitalWrite(Relay1, LOW);
      digitalWrite(Relay2, LOW);
      digitalWrite(Relay3, LOW);
      digitalWrite(Relay4, LOW);
      digitalWrite(Relay5, LOW);
      digitalWrite(Relay6, LOW);
      digitalWrite(Relay7, LOW);
      digitalWrite(Relay8, LOW);
      Serial.println("mam wiadomosc szefie : g");
   }
      else if((char)payload[0] == 'h'){
      digitalWrite(Relay1, HIGH);
      digitalWrite(Relay2, HIGH);
      digitalWrite(Relay3, HIGH);
      digitalWrite(Relay4, HIGH);
      digitalWrite(Relay5, HIGH);
      digitalWrite(Relay6, HIGH);
      digitalWrite(Relay7, HIGH);
      digitalWrite(Relay8, HIGH);
      Serial.println("mam wiadomosc szefie : h");
   }
      else{
      Serial.println("Nie rozpoznano znaku");
   }
}


void nadajTemat(){
  String message = "";
  if(Server.arg("temat")== ""){
    message = "nie podano tematu";
  }
  else{
    message = "znaleziono temat = ";
    message += Server.arg("temat");
    temat = Server.arg("temat");
    Serial.println(temat);
  }
    Server.send(200, "text/plain", message);          //Returns the HTTP response
  }



void reconnect(){
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    // Create a random client ID
    String clientId = "ESP8266Client-";
    clientId += String(random(0xffff), HEX);
    // Attempt to connect
    if (client.connect(clientId.c_str())) {
      Serial.println("connected");
      // Once connected, publish an announcement...
      client.publish("outTopic", "hello world");
      // ... and resubscribe
      client.subscribe(temat.c_str());
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      delay(5000);
    }

  }
}
void setup() {
  pinMode(Relay1, OUTPUT);     // Initialize the BUILTIN_LED pin as an output
  pinMode(Relay2, OUTPUT);
  pinMode(Relay3, OUTPUT);
  pinMode(Relay4, OUTPUT);
  pinMode(Relay5, OUTPUT);
  pinMode(Relay6, OUTPUT);
  pinMode(Relay7, OUTPUT);
  pinMode(Relay8, OUTPUT);
  Serial.begin(115200);
    Server.on("/", rootPage);
  if (Portal.begin()) {
    Serial.println("WiFi connected: " + WiFi.localIP().toString());
  }
  Server.on("/temat", nadajTemat);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);

}

void loop() {
  // put your main code here, to run repeatedly:
  //digitalWrite(Relay0, HIGH);
  //delay(1000);
  //digitalWrite(Relay0, LOW);
 // delay(1000);
 Portal.handleClient();
  if(!client.connected()){
    reconnect();
  }
  client.loop();
   unsigned long now = millis();
  if (now - lastMsg > 2000) {
    lastMsg = now;
    ++value;
    snprintf (msg, MSG_BUFFER_SIZE, "hello world #%ld", value);
    Serial.print("Publish message: ");
    Serial.println(msg);
    client.publish("outTopic", msg);
  }


}