/*
 Version 0.3 - March 06 2018
 Grensom Version
*/

#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>
#include <WebSocketsClient.h> //  https://github.com/kakopappa/sinric/wiki/How-to-add-dependency-libraries
#include <ArduinoJson.h> // https://github.com/kakopappa/sinric/wiki/How-to-add-dependency-libraries
#include <StreamString.h>

ESP8266WiFiMulti WiFiMulti;
WebSocketsClient webSocket;
WiFiClient client;

///////////WiFi Setup/////////////

#define MyApiKey "a852c587-2630-49c0-bde0-9b889bf88d5d" // TODO: Change to your sinric API Key. Your API Key is displayed on sinric.com dashboard
#define MySSID "SP-LINK_LUCAS E MAY" // TODO: Change to your Wifi network SSID
#define MyWifiPassword "cordeiro2019" // TODO: Change to your Wifi network password


/////////////////////////////////

#define HEARTBEAT_INTERVAL 300000 // 5 Minutes

uint64_t heartbeatTimestamp = 0;
bool isConnected = false;

void setPowerStateOnServer(String deviceId, String value);
void setTargetTemperatureOnServer(String deviceId, String value, String scale);

// deviceId is the ID assgined to your smart-home-device in sinric.com dashboard. Copy it from dashboard and paste it here

void turnOn(String deviceId) {
  if (deviceId == "5f08e4c6ad7a48327f34c158") // PORTAO
  {
    Serial.print("Turn on device id: ");
    Serial.println(deviceId);
     digitalWrite(4, HIGH);     // LIGA LED OU/ ativa rele, abre trava solenoide
    delay(1000);              // DELAY /espera 1,5 segundos
    digitalWrite(4, LOW);  // DESlIGA LED OU /desativa rele, fecha  trava solenoide
  }
  else if (deviceId == "5f08f3abad7a48327f34cce0") // PORTAO BASCULANTE
  {
    Serial.print("Turn on device id: ");///
    Serial.println(deviceId);
     digitalWrite(5, HIGH);     // LIGA LED OU/ ativa rele, abre trava solenoide
    delay(1000);              // DELAY /espera 1,5 segundos
    digitalWrite(5, LOW);  // DESlIGA LED OU /desativa rele, fecha  trava solenoide
  }
  else {
    Serial.print("Turn on for unknown device id: ");
    Serial.println(deviceId);
  }
}

void turnOff(String deviceId) {
   if (deviceId == "5f08e4c6ad7a48327f34c158") // Device ID of first device
   {
     Serial.print("Turn off Device ID: ");
     Serial.println(deviceId);

    digitalWrite(4, HIGH);  // DESlIGA LED OU /desativa rele, fecha  trava solenoide
    delay(1000);              // DELAY /espera 1,5 segundos
    digitalWrite(4, LOW);     // LIGA LED OU/ ativa rele, abre trava solenoide
   }
   else if (deviceId == "5f08f3abad7a48327f34cce0") // Device ID of second device
   {
     Serial.print("Turn off Device ID: ");
     Serial.println(deviceId);

     digitalWrite(5, HIGH);  // DESlIGA LED OU /desativa rele, fecha  trava solenoide
    delay(1000);              // DELAY /espera 1,5 segundos
        digitalWrite(5, LOW);     // LIGA LED OU/ ativa rele, abre trava solenoide
  }
  else {
     Serial.print("Turn off for unknown device id: ");
     Serial.println(deviceId);
  }
}

void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
  switch(type) {
    case WStype_DISCONNECTED:
      isConnected = false;
      Serial.printf("[WSc] Webservice disconnected from sinric.com!\n");
      break;
    case WStype_CONNECTED: {
      isConnected = true;
      Serial.printf("[WSc] Service connected to sinric.com at url: %s\n", payload);
      Serial.printf("Waiting for commands from sinric.com ...\n");
      }
      break;
    case WStype_TEXT: {
        Serial.printf("[WSc] get text: %s\n", payload);
        // Example payloads

        // For Switch or Light device types
        // {"deviceId": xxxx, "action": "setPowerState", value: "ON"} // https://developer.amazon.com/docs/device-apis/alexa-powercontroller.html

        // For Light device type
        // Look at the light example in github

        DynamicJsonBuffer jsonBuffer;
        JsonObject& json = jsonBuffer.parseObject((char*)payload);
        String deviceId = json ["deviceId"];
        String action = json ["action"];

        if(action == "setPowerState") { // Switch or Light
            String value = json ["value"];
            if(value == "ON") {
                turnOn(deviceId);
            } else {
                turnOff(deviceId);
            }
        }
        else if (action == "SetTargetTemperature") {
            String deviceId = json ["deviceId"];
            String action = json ["action"];
            String value = json ["value"];
        }
        else if (action == "test") {
            Serial.println("[WSc] received test command from sinric.com");
        }
      }
      break;
    case WStype_BIN:
      Serial.printf("[WSc] get binary length: %u\n", length);
      break;
  }
}

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

  WiFiMulti.addAP(MySSID, MyWifiPassword);
  Serial.println();
  Serial.print("Connecting to Wifi: ");
  Serial.println(MySSID);

  // Waiting for Wifi connect
  while(WiFiMulti.run() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  if(WiFiMulti.run() == WL_CONNECTED) {
    Serial.println("");
    Serial.print("WiFi connected. ");
    Serial.print("IP address: ");
    Serial.println(WiFi.localIP());
  }

  // server address, port and URL
  webSocket.begin("iot.sinric.com", 80, "/");

  // event handler
  webSocket.onEvent(webSocketEvent);
  webSocket.setAuthorization("apikey", MyApiKey);

  // try again every 5000ms if connection has failed
  webSocket.setReconnectInterval(5000);   // If you see 'class WebSocketsClient' has no member named 'setReconnectInterval' error update arduinoWebSockets
  pinMode(4, OUTPUT);///Portao social
  pinMode(5, OUTPUT);///Portao basculante
}

void loop() {
  webSocket.loop();

  if(isConnected) {
      uint64_t now = millis();

      // Send heartbeat in order to avoid disconnections during ISP resetting IPs over night. Thanks @MacSass
      if((now - heartbeatTimestamp) > HEARTBEAT_INTERVAL) {
          heartbeatTimestamp = now;
          webSocket.sendTXT("H");
      }
  }
}

// If you are going to use a push button to on/off the switch manually, use this function to update the status on the server
// so it will reflect on Alexa app.
// eg: setPowerStateOnServer("deviceid", "ON")

// Call ONLY If status changed. DO NOT CALL THIS IN loop() and overload the server.

void setPowerStateOnServer(String deviceId, String value) {
  DynamicJsonBuffer jsonBuffer;
  JsonObject& root = jsonBuffer.createObject();
  root["deviceId"] = deviceId;
  root["action"] = "setPowerState";
  root["value"] = value;
  StreamString databuf;
  root.printTo(databuf);

  webSocket.sendTXT(databuf);
}

//eg: setPowerStateOnServer("deviceid", "CELSIUS", "25.0")

// Call ONLY If status changed. DO NOT CALL THIS IN loop() and overload the server.

void setTargetTemperatureOnServer(String deviceId, String value, String scale) {
  DynamicJsonBuffer jsonBuffer;
  JsonObject& root = jsonBuffer.createObject();
  root["action"] = "SetTargetTemperature";
  root["deviceId"] = deviceId;

  JsonObject& valueObj = root.createNestedObject("value");
  JsonObject& targetSetpoint = valueObj.createNestedObject("targetSetpoint");
  targetSetpoint["value"] = value;
  targetSetpoint["scale"] = scale;

  StreamString databuf;
  root.printTo(databuf);

  webSocket.sendTXT(databuf);
}