#include <WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <HTTPClient.h>

const char buzzer = 33, V = 27, I = 26, P = 25;

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
String url = "https://example.com";

void spinner() {
  static int8_t counter = 0;
  const char* glyphs = "\xa1\xa5\xdb";
  LCD.setCursor(15, 1);
  LCD.print(glyphs[counter++]);
  if (counter == strlen(glyphs)) {
    counter = 0;
  }
}

void send_data(){

}

void setup() {
  Serial.begin(115200);

  pinMode(buzzer, OUTPUT);
  pinMode(V, INPUT);
  pinMode(I, INPUT);
  pinMode(P, INPUT);

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Connecting to ");
  LCD.setCursor(0, 1);
  LCD.print("WiFi ");

  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    spinner();
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  HTTPClient http;
  http.begin(url);
  int httpResponseCode = http.GET();
  if (httpResponseCode > 0) {
    Serial.print("HTTP ");
    Serial.println(httpResponseCode);
    String payload = http.getString();
    Serial.println();
    Serial.println(payload);
  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
    Serial.println(":-(");
  }
}
 
void loop() {
  delay(10);
}