//===============================================ИНИЦИАЛИЗАЦИЯ================================================
void MQTT_init() {

  ts.add(WIFI_MQTT_CONNECTION_CHECK, wifi_mqtt_reconnecting, [&](void*) {
    up_time();
    if (WiFi.status() == WL_CONNECTED) {
      Serial.println("[VV] WiFi-ok");
      if (client_mqtt.connected()) {
        Serial.println("[VV] MQTT-ok");
      } else {
        MQTT_Connecting();
        if (!just_load) mqtt_lost_error++;
      }
    } else {
      Serial.println("[E] Lost WiFi connection");
      wifi_lost_error++;
      ts.remove(WIFI_MQTT_CONNECTION_CHECK);
      StartAPMode();
    }
  }, nullptr, true);


  server.on("/mqttSave", HTTP_GET, [](AsyncWebServerRequest * request) {
    if (request->hasArg("mqttServer")) {
      jsonWriteStr(configSetup, "mqttServer", request->getParam("mqttServer")->value());
    }
    if (request->hasArg("mqttPort")) {
      int port = (request->getParam("mqttPort")->value()).toInt();
      jsonWriteInt(configSetup, "mqttPort", port);
    }
    if (request->hasArg("mqttPrefix")) {
      jsonWriteStr(configSetup, "mqttPrefix", request->getParam("mqttPrefix")->value());
    }
    if (request->hasArg("mqttUser")) {
      jsonWriteStr(configSetup, "mqttUser", request->getParam("mqttUser")->value());
    }
    if (request->hasArg("mqttPass")) {
      jsonWriteStr(configSetup, "mqttPass", request->getParam("mqttPass")->value());
    }
    saveConfig();
    mqtt_connection = true;

    request->send(200, "text/text", "ok");
  });

  server.on("/mqttCheck", HTTP_GET, [](AsyncWebServerRequest * request) {
    String tmp = "{}";
    jsonWriteStr(tmp, "title", "<button class=\"close\" onclick=\"toggle('my-block')\">×</button>" + stateMQTT());
    jsonWriteStr(tmp, "class", "pop-up");
    request->send(200, "text/text", tmp);
  });


}

void do_mqtt_send_settings_to_udp() {
  if (mqtt_send_settings_to_udp) {
    mqtt_send_settings_to_udp = false;
    send_mqtt_to_udp();
  }
}

void do_mqtt_connection() {
  if (mqtt_connection) {
    mqtt_connection = false;
    client_mqtt.disconnect();
    MQTT_Connecting();
  }
}

//================================================ОБНОВЛЕНИЕ====================================================

void  handleMQTT() {
  if (WiFi.status() == WL_CONNECTED) {
    if (client_mqtt.connected()) {
      client_mqtt.loop();
    }
  }
}
//===============================================ПОДКЛЮЧЕНИЕ========================================================
boolean MQTT_Connecting() {
  String mqtt_server = jsonRead(configSetup, "mqttServer");
  if ((mqtt_server != "")) {
    Serial.println("[E] Lost MQTT connection, start reconnecting");
    //ssl//espClient.setCACert(local_root_ca1);
    client_mqtt.setServer(mqtt_server.c_str(), jsonReadtoInt(configSetup, "mqttPort"));
    if (WiFi.status() == WL_CONNECTED) {
      if (!client_mqtt.connected()) {
        Serial.println("[V] Connecting to MQTT server commenced");
        if (client_mqtt.connect(chipID.c_str(), jsonRead(configSetup, "mqttUser").c_str(), jsonRead(configSetup, "mqttPass").c_str())) {
          Serial.println("[VV] MQTT connected");
          client_mqtt.setCallback(callback);
          client_mqtt.subscribe(jsonRead(configSetup, "mqttPrefix").c_str());  // Для приема получения HELLOW и подтверждения связи
          client_mqtt.subscribe((jsonRead(configSetup, "mqttPrefix") + "/" + chipID + "/+/control").c_str()); // Подписываемся на топики control
          client_mqtt.subscribe((jsonRead(configSetup, "mqttPrefix") + "/" + chipID + "/order").c_str()); // Подписываемся на топики order
          Serial.println("[V] Callback set, subscribe done");
          return true;
        } else {
          Serial.println("[E] try again in " + String(wifi_mqtt_reconnecting / 1000) +  " sec");
          return false;
        }
      }
    }
  } else {
    Serial.println("[E] No date for MQTT connection");
    return false;
  }
}

//=====================================================ВХОДЯЩИЕ ДАННЫЕ========================================================
void callback(char* topic, byte * payload, unsigned int length) {
  Serial.print("[MQTT] ");
  Serial.print(topic);
  String topic_str = String(topic);

  String str;
  for (int i = 0; i < length; i++) {
    str += (char)payload[i];
  }
  Serial.println(" => " + str);

  if (str == "HELLO") outcoming_date();
 
  //превращает название топика в команду, а значение в параметр команды
  if (topic_str.indexOf("control") > 0) {                                     //IoTmanager/800324-1458415/button1/control 1  //IoTmanager/800324-1458415/button99/control 1
    String topic = selectFromMarkerToMarker(topic_str, "/", 3);               //button1                                      //button99
    topic = add_set(topic);                                                   //buttonSet1                                   //buttonSet99
    String number = selectToMarkerLast(topic, "Set");                         //1                                            //99
    topic.replace(number, "");                                                //buttonSet                                    //buttonSet
    String final_line = topic + " " + number + " " + str;                     //buttonSet 1 1                                //buttonSet 99 1
    order_loop += final_line + ",";
  }

  if (topic_str.indexOf("order") > 0) {
    str.replace("_", " ");
    //Serial.println(str);
    order_loop += str + ",";
  }
}

//данные которые отправляем при подключении или отбновлении страницы
void outcoming_date() {

  sendAllWigets();
  sendAllData();
  choose_log_date_and_send();

  Serial.println("[V] Sending all date to iot manager completed");
}


//======================================CONFIG==================================================
boolean sendMQTT(String end_of_topik, String data) {
  String topik = jsonRead(configSetup, "mqttPrefix") + "/" + chipID + "/" + end_of_topik;
  boolean send_status = client_mqtt.beginPublish(topik.c_str(), data.length(), false);
  client_mqtt.print(data);
  client_mqtt.endPublish();
  return send_status;
}
boolean sendCHART(String topik, String data) {
  topik = jsonRead(configSetup, "mqttPrefix") + "/" + chipID + "/" + topik + "/" + "status";
  boolean send_status = client_mqtt.beginPublish(topik.c_str(), data.length(), false);
  client_mqtt.print(data);
  client_mqtt.endPublish();
  return send_status;
}
boolean sendCHART_test(String topik, String data) {
  topik = jsonRead(configSetup, "mqttPrefix") + "/" + chipID + "/" + topik + "/" + "status";
  boolean send_status = client_mqtt.publish (topik.c_str(), data.c_str(), false);
  return send_status;
}
//======================================STATUS==================================================
void sendSTATUS(String topik, String state) {
  topik = jsonRead(configSetup, "mqttPrefix") + "/" + chipID + "/" + topik + "/" + "status";
  String json_ = "{}";
  jsonWriteStr(json_, "status", state);
  int send_status =  client_mqtt.publish (topik.c_str(), json_.c_str(), false);
}
//======================================CONTROL==================================================
void sendCONTROL(String id, String topik, String state) {
  String  all_line = jsonRead(configSetup, "mqttPrefix") + "/" + id + "/" + topik + "/control";
  int send_status = client_mqtt.publish (all_line.c_str(), state.c_str(), false);
}

//=====================================================ОТПРАВЛЯЕМ ВИДЖЕТЫ========================================================

#ifdef layout_in_ram
void sendAllWigets() {
  if (all_widgets != "") {
    int counter = 0;
    String line;
    int psn_1 = 0;
    int psn_2;
    do  {
      psn_2 = all_widgets.indexOf("\r\n", psn_1); //\r\n
      line = all_widgets.substring(psn_1, psn_2);
      line.replace("\n", "");
      line.replace("\r\n", "");
      //jsonWriteStr(line, "id", String(counter));
      //jsonWriteStr(line, "pageId", String(counter));
      counter++;
      sendMQTT("config", line);
      Serial.println("[V] " + line);
      psn_1 = psn_2 + 1;
    } while (psn_2 + 2 < all_widgets.length());
    getMemoryLoad("[i] after send all widgets");
  }
}
#endif

#ifndef layout_in_ram
void sendAllWigets() {
  File configFile = SPIFFS.open("/layout.txt", "r");
  if (!configFile) {
    return;
  }
  configFile.seek(0, SeekSet); //поставим курсор в начало файла
  while (configFile.position() != configFile.size()) {
    String widget_to_send = configFile.readStringUntil('\r\n');
    Serial.println("[V] " + widget_to_send);
    sendMQTT("config", widget_to_send);
  }
}
#endif
//=====================================================ОТПРАВЛЯЕМ ДАННЫЕ В ВИДЖЕТЫ ПРИ ОБНОВЛЕНИИ СТРАНИЦЫ========================================================
void sendAllData() {   //берет строку json и ключи превращает в топики а значения колючей в них посылает

  String current_config = configJson;                      //{"name":"MODULES","lang":"","ip":"192.168.43.60","DS":"34.00","rel1":"1","rel2":"1"}
  getMemoryLoad("[i] after send all date");
  current_config.replace("{", "");
  current_config.replace("}", "");                         //"name":"MODULES","lang":"","ip":"192.168.43.60","DS":"34.00","rel1":"1","rel2":"1"
  current_config += ",";                                   //"name":"MODULES","lang":"","ip":"192.168.43.60","DS":"34.00","rel1":"1","rel2":"1",

  while (current_config.length() != 0) {

    String tmp = selectToMarker (current_config, ",");
    String topic =  selectToMarker (tmp, ":");
    topic.replace("\"", "");
    String state =  selectToMarkerLast (tmp, ":");
    state.replace("\"", "");
    if (topic != "name" && topic != "lang" && topic != "ip" && topic.indexOf("_in") < 0) {
      sendSTATUS(topic, state);
      //Serial.println("-->" + topic + " " + state);
    }
    current_config = deleteBeforeDelimiter(current_config, ",");
  }
}



String stateMQTT() {

  int state = client_mqtt.state();

  switch (state) {
    case -4: return "the server didn't respond within the keepalive time";
      break;
    case -3: return "the network connection was broken";
      break;
    case -2: return "the network connection failed";
      break;
    case -1: return "the client is disconnected cleanly";
      break;
    case 0: return "the client is connected";
      break;
    case 1: return "the server doesn't support the requested version of MQTT";
      break;
    case 2: return "the server rejected the client identifier";
      break;
    case 3: return "the server was unable to accept the connection";
      break;
    case 4: return "the username/password were rejected";
      break;
    case 5: return "the client was not authorized to connect";
      break;
  }
}
/*void scenario_devices_topiks_subscribe() {

  //SCENARIO ANALOG > 5 800324-1458415 rel1 0
  if (jsonRead(configSetup, "scenario") == "1") {
    //String all_text = readFile("firmware.s.txt", 1024) + "\r\n";
    String all_text = scenario + "\r\n";
    all_text.replace("\r\n", "\n");
    all_text.replace("\r", "\n");
    while (all_text.length() != 0) {
      String line_ = selectToMarker (all_text, "\n");
      String id = selectFromMarkerToMarker(line_, " ", 4);
      if (id != "not found") {
        client_mqtt.subscribe((jsonRead(configSetup, "mqttPrefix") + "/" + id + "/+/status").c_str(), 0);
        Serial.println("subscribed to device, id: " + id);
      }
      all_text = deleteBeforeDelimiter(all_text, "\n");
    }
  }
  }
*/
/*void scenario_devices_test_msg_send() {

  if (jsonRead(configSetup, "scenario") == "1") {

    String all_text = scenario + "\r\n";
    all_text.replace("\r\n", "\n");
    all_text.replace("\r", "\n");
    while (all_text.length() != 0) {
      String line_ = selectToMarker (all_text, "\n");
      String id = selectFromMarkerToMarker(line_, " ", 4);
      if (id != "not found") {
        //Serial.println();
        Serial.println(client_mqtt.publish ((jsonRead(configSetup, "mqttPrefix") + "/" + id).c_str(), "CHECK", true));

      }
      all_text = deleteBeforeDelimiter(all_text, "\n");
    }
  }
  }*/

/*
      //-----------------------------------------------------------------------------------------------------------------------------------------------
      //jsonWriteStr(tmp, "status", "1");

      String current_config = configJson;                  //{"name":"MODULES","lang":"","ip":"192.168.43.60","DS":"34.00","rel1":"1","rel2":"1"}
      current_config.replace("{", "");
      current_config.replace("}", "");                      //"name":"MODULES","lang":"","ip":"192.168.43.60","DS":"34.00","rel1":"1","rel2":"1"
      current_config += ",";                                //"name":"MODULES","lang":"","ip":"192.168.43.60","DS":"34.00","rel1":"1","rel2":"1",

      while (current_config.length() != 0) {

        String tmp = selectToMarker (current_config, ",");  //"rel1":"1"
        String topic =  selectToMarker (tmp, ":");          //"rel1"
        topic.replace("\"", "");                            //rel1
        Serial.println(topic);
        String state =  selectToMarkerLast (tmp, ":");      //"1"
        state.replace("\"", "");                            //1

        //if (widget.lastIndexOf(topic) > 0) {
          jsonWriteStr(tmp, "status", state);
        //}
        current_config = deleteBeforeDelimiter(current_config, ",");
      }
     //-------------------------------------------------------------------------------------------------------------------------------------------------
*/