#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
HTTPClient http;


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

  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;);
  }
  delay(2000);
  display.clearDisplay();

  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(20, 10);
  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)) {
    HTTPClient http;
    http.begin("https://api.openweathermap.org/data/2.5/weather?id=1562693&appid=cee343d33e41970dd63c44b39c8620ab");
    int httpCode = http.GET();

    if (httpCode > 0) {
      String payload = http.getString();
      // Serial.println(httpCode);
      // Serial.println(payload);
      StaticJsonDocument<1024> doc;
      DeserializationError err = deserializeJson(doc, payload);
      
      String ndomax = doc["main"]["temp_max"];
      String ndomin = doc["main"]["temp_min"];
      String nhietdo = doc["main"]["temp"];
      String doam = doc["main"]["humidity"];
      String tocdogio = doc["wind"]["speed"];
      display.setCursor(0, 0);
      display.println("Nhiet do: " + nhietdo);
      display.setCursor(0, 10);

      display.println("Do am:" + doam);
      display.setCursor(0, 40);
      display.println("Toc do gio:" + tocdogio);
      display.display();
      Serial.println("Nhiet do: " + nhietdo);
      Serial.println("Do am:" + doam);
      Serial.println("Toc do gio:" + tocdogio);
    }
    else {
      Serial.println("Error on HTTP request");
    }
    http.end();
  }
  delay(100);
}