#include <WiFi.h>
#include<HTTPClient.h>
#include<LiquidCrystal.h>
LiquidCrystal lcd(23, 22, 12, 14, 27, 26);
const char *ssid = "Wokwi-GUEST";
const char *password = "";
const String API_key = "5259cb144f0e16bd92aba8d18e79198c";
const String city = "Sorocaba";
String url =
"http://api.openweathermap.org/data/2.5/weather?q="+city+"&appid="+API_key+"&units=metric";


void setup() {
  Serial.begin(9600);
  lcd.begin(16,2);
  WiFi.begin(ssid, password);
  pinMode(15, OUTPUT);
  Serial.println("Estabelecendo conexão");
    while(WiFi.status() != WL_CONNECTED)
    {
    delay(500);
    }
  Serial.println("Rede Conectada!");
}

void loop() {
  if (WiFi.status() == WL_CONNECTED)
  {
    digitalWrite(15, HIGH);
    HTTPClient http;
    http.begin(url);
    int httpCode = http.GET();

    if(httpCode == HTTP_CODE_OK)
    {
      String resposta = http.getString();
      Serial.println(resposta);
      char *ptr = strstr((const char *)resposta.c_str(), "name");
      String cidade = &ptr[7];
      Serial.print(cidade);
      cidade.replace('"', '\0');

      ptr = strstr((const char *)resposta.c_str(), "temp");
      Serial.print(ptr);
      String temperatura = &ptr[6];
      temperatura.replace(',', '\0');

      ptr = strstr((const char *)resposta.c_str(), "humidity");
      Serial.print(ptr);
      String umidade = &ptr[10];
      umidade.replace(',', '\0');

      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print(cidade.c_str());
      
      lcd.setCursor(0,1);
      lcd.print(temperatura.c_str());
      lcd.print("\xDF""C");

      delay(20000);

      lcd.setCursor(0,1);
      lcd.print(umidade.c_str());
      lcd.print(" g/m3");
    }
  }

  else
  {
    digitalWrite(15, LOW);
    WiFi.begin(ssid, password);
    Serial.println("Reestabelecendo a conexão...");
    while(WiFi.status() != WL_CONNECTED)
      {
        delay(500);
      }
  }
  
  delay(20000);
}