#include <WiFi.h>
#include <HTTPClient.h>
#include <Arduino_JSON.h>

const char* ssid = "Wokwi-GUEST";
const char* pass = "";
const char* server = "http://api.weatherapi.com/v1/current.json?key=454cba2202f24b40a82235351213110&q=jakarta&aqi=no";

unsigned long waktuTerakhir = 0;
unsigned long timerDelay = 5000;

String name;
String region;
String country;

void setup() {
  // ESP 32 Wifi Setup
  String jsonBuffer;

  Serial.begin(115200);
  WiFi.begin(ssid, pass);
  while(WiFi.status() != WL_CONNECTED){
    delay(100);
    Serial.println(".");
  }
  Serial.println("WiFi Connected");
  Serial.println(WiFi.localIP());
}

void loop() {
  // Sending POST Request every 10 minutes
  if((millis() - waktuTerakhir) > timerDelay){
    // Check WiFi Status
    if(WiFi.status() == WL_CONNECTED){
      String sensorRead = httpGETRequest(server);
      Serial.println(sensorRead);

      JSONVar parsedObject = JSON.parse(sensorRead);

      // Checking the Type of the Object
      if(JSON.typeof(parsedObject) == "undefined"){
        Serial.println("Parsing input has failed!");
        return;
      }

      // Accessing nested JSON Object
      if(parsedObject.hasOwnProperty("location")){
        name = String(parsedObject["location"]["name"]);
        region = String(parsedObject["location"]["region"]);
        country = String(parsedObject["location"]["country"]);

        Serial.print("City Name : ");
        Serial.println(name);

        Serial.print("Region : ");
        Serial.println(region);

        Serial.print("Country : ");
        Serial.println(country);
      }
      else{
        Serial.println("Missing Keys.");
      }
    }
    else {
      Serial.println("WiFi has disconnected");
    }
    waktuTerakhir = millis();
  }
}

String httpGETRequest(const char* serverName) {
  WiFiClient client;
  HTTPClient http;

  // Domain Name
  http.begin(client, serverName);

  // POST Request
  int httpResponseCode = http.GET();

  String payload = "{}";

  if(httpResponseCode > 0){
    Serial.print("Response Status : ");
    Serial.println(httpResponseCode);
    payload = http.getString();
  }
  else {
    Serial.print("Error code : ");
    Serial.println(httpResponseCode);
  }
  // Free Resources
  http.end();
  return payload;
}