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

char clientId[50];
int servoPin1 = 12;
Servo servo1;
int servoPin2 = 4;
Servo servo2;
int servoPin3 = 15;
Servo servo3;
int ledPin1 = 4;
int ledPin2 = 12;
int ledPin3 = 13;
int ledPin4 = 5;
Adafruit_SSD1306 display(128,64,&Wire,1);
// Declare date variable

// Configure Seven segment
WiFiClient espClient;
PubSubClient client(espClient);

 
void setup() 
{
  Serial.begin(9600);
  servo1.attach(servoPin1,500,2400);
  servo2.attach(servoPin2,500,2400);
  servo3.attach(servoPin3,500,2400);

  if (!display.begin(SSD1306_SWITCHCAPVCC,0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;) ;
  }
  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(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(ledPin4, 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);
  // Convert date format into number
}
void loop() 
{
  delay(10);
  if (!client.connected()) 
  {
    mqttReconnect();
  }
  client.loop();

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