#include <GxEPD2_BW.h>
#include <Fonts/FreeMonoBold9pt7b.h> 
#include <WiFi.h>
#include <HTTPClient.h>

// WiFi credentials
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";

// E-paper display instance (change the model as per your e-paper display)
GxEPD2_BW<GxEPD2_290, GxEPD2_290::HEIGHT> display(GxEPD2_290(/*CS=*/ 15, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4));

void setup() {
  Serial.begin(115200);
  
  // Initialize e-paper display
  display.init(115200);
  display.setRotation(1);
  
  // Connect to Wi-Fi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");

  // Display message
  displayMessage("Hello, ESL!");
}

void loop() {
  digitalWrite(LED_BUILTIN, HIGH);
  delay(1000); // Wait for 1 second

  // Turn LED off (LOW)
  digitalWrite(LED_BUILTIN, LOW);
  delay(1000); // Wait for 1 second
}

void displayMessage(const char* message) {
  display.setFullWindow();
  display.firstPage();
  do {
    display.fillScreen(GxEPD_WHITE);
    display.setTextColor(GxEPD_BLACK);
    display.setFont(&FreeMonoBold9pt7b); 
    display.setCursor(0, 30);
    display.print(message);
  } while (display.nextPage());
}