#include <WiFi.h>
#include <time.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET    -1 
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

// Replace with your network credentials
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// Set the time (year, month, day, hour, minute, second) in UTC
const tm timeInfo = {
  2024 - 1900,  // year
  1 - 1,        // month (0 - 11)
  22,           // day
  12,           // hour
  0,            // minute
  0             // second
};

void printLocalTime() {
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    Serial.println("Failed to obtain time");
    return;
  }

  display.clearDisplay();
  display.setTextSize(1);      
  display.setTextColor(SSD1306_WHITE);  
  display.setCursor(0, 10);     // Set the cursor position
  display.print("Time: ");
  display.print(timeinfo.tm_hour);
  display.print(":");
  display.print(timeinfo.tm_min);
  display.print(":");
  display.println(timeinfo.tm_sec);

  display.setCursor(0, 30);     // Set the cursor position
  display.print("Date: ");
  display.print(timeinfo.tm_mday);
  display.print("/");
  display.print(timeinfo.tm_mon + 1);
  display.print("/");
  display.println(timeinfo.tm_year + 1900);
  display.setCursor(0, 50);
  display.println("Credit:-Praween soni");

  display.display();  // Display the content
}

void setup() {
  // Start serial communication
  Serial.begin(115200);

  // Initialize the OLED display
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }

  // Connect to Wi-Fi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    Serial.print('.');
  }
  Serial.println();

  // Set the system time using configTzTime
  configTzTime("IST-5:30", "pool.ntp.org");

  Serial.println("Waiting for time to be set...");
  while (time(nullptr) < 1510644967) {
    delay(500);
    Serial.print('.');
  }
  Serial.println();

  Serial.println("Time set successfully");
}

void loop() {
  // Print the current time on the OLED display
  printLocalTime();

  // Add your code here to perform actions based on the current time

  // Delay for 1 second
  delay(1000);
}