#include "WiFi.h"
#include "PubSubClient.h"
#include "time.h"
#include <stdlib.h>
#include <ESP32Servo.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
// Import Seven segment library

char clientId[50];
int servo1_pin=12;
int servo2_pin=4;
int servo3_pin=5;
//led pins
int led1_pin=4;
int led2_pin=12;
int led3_pin=13;
int led4_pin=5;
// Declare date variable
Adafruit_SSD1306 display(128,64,&Wire,1)
// Configure Seven segment
WiFiClient espClient;
PubSubClient client(espClient);

void setup() 
{
  Serial.begin(115200);
  servo1.attach(servo1_pin,500,2400);
  servo2.attach(servo2_pin,500,2400);
  servo3.attach(servo3_pin,500,2400);
  // Declare pins
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)){ // Address 0x3D for 128x64 
  Serial.println(F("SSD1306 allocation failed"));

  for(;;);
   }
  // Initiate Seven segment
  delay(2000);
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(WHITE)
  Serial.print("Connecting to....");
  WiFi.mode(WIFI_STA);
  WiFi.begin("Wokwi-GUEST", "");
  
  client.setServer("broker.emqx.io", 1883);
  client.setCallback(callback);
  pinMode(led1_pin,OUTPUT);
  pinMode(led2_pin,OUTPUT);
  pinMode(led3_pin,OUTPUT);
  pinMode(led4_pin,OUTPUT);
}

void mqttReconnect() 
{
  while (!client.connected()) 
  {
    Serial.print("Attempting MQTT connection...");
    if (client.connect(clientId)) 
    {
      Serial.println("Connected");
      client.subscribe("topicName/time");
    } 
    else 
    {
      Serial.println("Connection failed trying again in 10 seconds");
      delay(5000);
    }
  }
}

void callback(char* topic, byte* message, unsigned int length) 
{
  String stMessage;
  for (int i = 0; i < length; i++)
  {
    Serial.print((char)message[i]);
    stMessage += (char)message[i];
    Serial.print("message arrived on topic");
    Serial.print(topic);
    Serial.print(".message");
    Serial.print(stmessage);
  }
  // Print date

  // Convert date format into number
}
void loop() 
{
  if (!client.connected()) 
  {
    mqttReconnect();
  }
  client.loop();

  // Set the number
  // Display the number
  // delay() function
}