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

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
HTTPClient http;

const String url = "http://api.coindesk.com/v1/bpi/currentprice/BTC.json";


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S3!");
  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Bitcoin Price");

  WiFi.begin("Wokwi-GUEST", "");
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(5000); // this speeds up the simulation
  if (WiFi.status() == 3) {
    http.begin(url);
    int httpCode = http.GET();
    if (httpCode == 200) {
      StaticJsonDocument<768> doc;
      DeserializationError error = deserializeJson(doc, http.getString());

      if (error) {
        Serial.print(F("deserializeJson failed: "));
        Serial.println(error.f_str());
        delay(2500);
        return;
      }
      String BTCUSDPrice = doc["bpi"]["USD"]["rate_float"].as<String>();
      LCD.setCursor(0, 1);
      LCD.print("$");
      LCD.setCursor(2, 1);
      LCD.print(BTCUSDPrice);
      Serial.println(BTCUSDPrice);
    }
    http.end();
  }
}