/*********
  Руи Сантос (Rui Santos)
  Более подробно о проекте на: http://randomnerdtutorials.com
  Пример в IDE Arduino: File > Examples > Arduino OTA > BasicOTA.ino
                       (Файл > Примеры > Arduino OTA > BasicOTA.ino)
*********/
#include <Arduino.h>
#include <ArduinoOTA.h>
#include <Ticker.h>
#include <AsyncMqttClient.h>
#include <ESP_EEPROM.h>
#include <Bounce2.h>

const char* ssid = "wf-home";
const char* password = "0ndthnrf";
const char* mqtt_server = "192.168.1.250";

AsyncMqttClient mqttClient;
Ticker mqttReconnectTimer;

WiFiEventHandler wifiConnectHandler;
WiFiEventHandler wifiDisconnectHandler;
Ticker wifiReconnectTimer;

bool lStat1, oldLStat1;
bool lStat2, oldLStat2;
unsigned long cRun;
#define B_LED (1)
#define R_LED1 (14)
#define R_LED2 (13)
#define BUTT1 (4)
#define BUTT2 (3)
bool led = false;

Bounce l1 = Bounce();
Bounce l2 = Bounce();

void connectToWifi() {
  //Serial.println("Connecting to Wi-Fi...");
  WiFi.begin(ssid, password);
}

void connectToMqtt() {
  //Serial.println("Connecting to MQTT...");
  mqttClient.connect();
}

void onWifiConnect(const WiFiEventStationModeGotIP& event) {
  //Serial.println("Connected to Wi-Fi.");
  //Serial.print("IP: ");
  //Serial.println(WiFi.localIP());
  connectToMqtt();
}

void onWifiDisconnect(const WiFiEventStationModeDisconnected& event) {
  //Serial.println("Disconnected from Wi-Fi.");
  mqttReconnectTimer.detach(); // ensure we don't reconnect to MQTT while reconnecting to Wi-Fi
  wifiReconnectTimer.once(2, connectToWifi);
}

void onMqttConnect(bool sessionPresent) {
  // Serial.println("Connected to MQTT.");
  // Serial.print("Session present: ");
  // Serial.println(sessionPresent);
  //uint16_t packetIdSub = 
  mqttClient.subscribe("/home/smallroom/lamp1_set", 1);
  mqttClient.subscribe("/home/smallroom/lamp2_set", 1);
  // Serial.print("Subscribing Lamp1, packetId: ");
  // Serial.println(packetIdSub);
  //packetIdSub = mqttClient.subscribe("/home/kor/lamp2_set", 1);
  //Serial.print("Subscribing Lamp2, packetId: ");
  //Serial.println(packetIdSub);
  mqttClient.publish("/home/smallroom/lamp1", 1, false, lStat1 ? "1" : "0");
  mqttClient.publish("/home/smallroom/lamp2", 1, false, lStat2 ? "1" : "0");
  //Serial.println("Publishing at Lamp 1");
  //mqttClient.publish("/home/kor/lamp2", 1, false, lStat2 ? "1" : "0");
  //Serial.println("Publishing at Lamp 2");
  digitalWrite(B_LED, LOW);
}

void onMqttDisconnect(AsyncMqttClientDisconnectReason reason) {
  //Serial.println("Disconnected from MQTT.");

  if (WiFi.isConnected()) {
    mqttReconnectTimer.once(2, connectToMqtt);
  }
  digitalWrite(B_LED, HIGH);
}

void onMqttSubscribe(uint16_t packetId, uint8_t qos) {
  // Serial.println("Subscribe acknowledged.");
  // Serial.print("  packetId: ");
  // Serial.println(packetId);
  // Serial.print("  qos: ");
  // Serial.println(qos);
}

void onMqttUnsubscribe(uint16_t packetId) {
  // Serial.println("Unsubscribe acknowledged.");
  // Serial.print("  packetId: ");
  // Serial.println(packetId);
}

void onMqttMessage(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total) {
  if(strcmp(topic, "/home/smallroom/lamp1_set") == 0){
    if ((char)payload[0] == '1') lStat1 = true;
    else lStat1 = false;
  }
  if(strcmp(topic, "/home/smallroom/lamp2_set") == 0){
    if ((char)payload[0] == '1') lStat2 = true;
    else lStat2 = false;
  }
}

void onMqttPublish(uint16_t packetId) {
  // Serial.println("Publish acknowledged.");
  // Serial.print("  packetId: ");
  // Serial.println(packetId);
}

void setup() {
  //Serial.begin(9600);
  //Serial.println("Booting");  //  "Загрузка"
  WiFi.mode(WIFI_STA);
  WiFi.hostname("SW-SmallRoom1");
  ArduinoOTA.onStart([]() {
    // Serial.println("Start");  //  "Начало OTA-апдейта"
  });
  ArduinoOTA.onEnd([]() {
    // Serial.println("\nEnd");  //  "Завершение OTA-апдейта"
  });
  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
    // Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
  });
  ArduinoOTA.onError([](ota_error_t error) {
    // Serial.printf("Error[%u]: ", error);
    // if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
    // //  "Ошибка при аутентификации"
    // else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
    // //  "Ошибка при начале OTA-апдейта"
    // else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
    // //  "Ошибка при подключении"
    // else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
    // //  "Ошибка при получении данных"
    // else if (error == OTA_END_ERROR) Serial.println("End Failed");
    // //  "Ошибка при завершении OTA-апдейта"
  });
  ArduinoOTA.begin();




  pinMode(B_LED, FUNCTION_3);
  pinMode(B_LED, OUTPUT);
  digitalWrite(B_LED, HIGH);
  pinMode(R_LED1, OUTPUT);
  pinMode(BUTT1, INPUT_PULLUP);
  pinMode(R_LED2, OUTPUT);
  pinMode(BUTT2, FUNCTION_3);
  pinMode(BUTT2, INPUT_PULLUP);
  l1.attach(BUTT1);
  l2.attach(BUTT2);


  EEPROM.begin(16);
  EEPROM.get(0, lStat1);
  EEPROM.get(1, lStat2);
  oldLStat1 = lStat1;
  oldLStat2 = lStat2;
  // Serial.print("Lamp1: ");
  // Serial.println(lStat1);
  digitalWrite(R_LED1, lStat1);
  digitalWrite(R_LED2, lStat2);
  //oldLStat2 = lStat2;

	wifiConnectHandler = WiFi.onStationModeGotIP(onWifiConnect);
	wifiDisconnectHandler = WiFi.onStationModeDisconnected(onWifiDisconnect);

	mqttClient.onConnect(onMqttConnect);
	mqttClient.onDisconnect(onMqttDisconnect);
	mqttClient.onSubscribe(onMqttSubscribe);
	mqttClient.onUnsubscribe(onMqttUnsubscribe);
	mqttClient.onMessage(onMqttMessage);
	mqttClient.onPublish(onMqttPublish);
	mqttClient.setServer(mqtt_server, 1883);

	connectToWifi();

  cRun = millis();
}

void loop() {
  ArduinoOTA.handle();
  l1.update();
  l2.update();
  if(l1.fell()){
    lStat1 = !lStat1;
  }
  if(l2.fell()){
    lStat2 = !lStat2;
  }
  if(lStat1 != oldLStat1){
    digitalWrite(R_LED1, lStat1);
    oldLStat1 = lStat1;
    mqttClient.publish("/home/smallroom/lamp1", 1, false, lStat1 ? "1" : "0");
    // Serial.println("Publishing at Lamp 1");
    EEPROM.put(0, lStat1);
    EEPROM.commit();
    // Serial.print("Lamp 1: ");
    // Serial.println(lStat1);
  }
  if(lStat2 != oldLStat2){
    digitalWrite(R_LED2, lStat2);
    oldLStat2 = lStat2;
    mqttClient.publish("/home/smallroom/lamp2", 1, false, lStat2 ? "1" : "0");
    // Serial.println("Publishing at Lamp 1");
    EEPROM.put(1, lStat2);
    EEPROM.commit();
    // Serial.print("Lamp 1: ");
    // Serial.println(lStat1);
  }
}