#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SH110X.h>
#include <WiFi.h>

#define i2c_Address 0x3c

const char* ssid = "Nothing Phone (2)";
const char* password = "1234567890#";

const char* ntpServer = "pool.ntp.org";
const long gmtOffset_sec = 19800;
const int daylightOffset_sec = 0;

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

struct tm timeinfo;

void printLocalTime() {
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    Serial.println("Failed to obtain time");
    return;
  }
  Serial.println(&timeinfo, "%A, %B %d %Y %H:%M:%S");
}

void showTime(struct tm timeinfo){
  display.setCursor(0, 0);
  display.setTextSize(1);
  display.setTextColor(SH110X_WHITE);
  display.println(" /)/)");
  display.println("(^_^)");
  display.println("/>");
  display.setCursor(SCREEN_WIDTH / 4, 6);
  display.setTextSize(1);
  display.println(" Hello Takshak");
  display.setCursor(4, SCREEN_HEIGHT / 2);
  display.setTextSize(4);
  display.println(&timeinfo, "%H:%M");
  display.display();
}

void setup() {

  Serial.begin(9600);

  delay(250);
  display.begin(i2c_Address, true);

  display.display();
  display.clearDisplay();

  WiFi.mode(WIFI_STA);  //Optional
  WiFi.begin(ssid, password);
  Serial.println("\nConnecting");
  display.setTextSize(3);
  display.setTextColor(SH110X_WHITE);
  display.println("/)_/)");
  display.println("(^_^)");
  display.print("/>");
  display.setTextSize(2);
  display.print("wait..");
  display.display();

  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(100);
  }

  display.clearDisplay();
  Serial.println("\nConnected to the WiFi network");
  Serial.print("Local ESP32 IP: ");
  Serial.println(WiFi.localIP());

  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
  printLocalTime();

  WiFi.disconnect(true);
  WiFi.mode(WIFI_OFF);

}
void loop() {
  display.clearDisplay();
  delay(1000);
  printLocalTime();
  if (getLocalTime(&timeinfo)) {
    showTime(timeinfo);
  }
}