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

LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27, 20, 4);

HTTPClient http;

void setup() {
  lcd.init();
  lcd.backlight();

  Serial.begin(9600);
  Serial.print("Connecting to WiFi");
  WiFi.begin("Wokwi-GUEST", "", 6);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println(" Connected!");
}

void loop() {
  if (WiFi.status() == WL_CONNECTED) {
    http.begin("https://api.openweathermap.org/data/2.5/weather?id=1562693&appid=ed84e9828a88aaf364c01bd416fe3545");
    int httpCode = http.GET();

    if (httpCode > 0) {
      String payload = http.getString();
      Serial.println(httpCode);
      Serial.println(payload);

      StaticJsonDocument<512> doc; // Kích thước của JSON document
      DeserializationError error = deserializeJson(doc, payload);
      
      String ten = String(doc["name"]);
      String temp = "Temp: " + String(doc["main"]["temp"]);
      String hum = "Hum: " + String(doc["main"]["humidity"]);

      lcd.setCursor(0,0);
      lcd.print(ten);

      lcd.setCursor(0,1);
      lcd.print(temp);

      lcd.setCursor(0,2);
      lcd.print(hum);

    } else {
      Serial.printf("Error on HTTP request: %s\n", http.errorToString(httpCode).c_str());
    }
    http.end();
  }
  delay(10000);
}