#include <WiFi.h>
#include "DHTesp.h"
#define DHT_PIN 15
#define RELAYPIN1 12
#define DHT_TYPE DHTesp::DHT22

DHTesp dhtSensor;
bool isFanOn;

#define NTP_SERVER     "pool.ntp.org"
#define UTC_OFFSET     3600*7
#define UTC_OFFSET_DST 0
#define WIFI_SSID      "Wokwi-GUEST"
#define WIFI_PASSWORD  ""

void printLocalTime()
{
  struct tm timeinfo;
  if(!getLocalTime(&timeinfo)){
    Serial.println("Failed to obtain time");
    return;
  }
  Serial.println(&timeinfo, "%A, %d-%b-%y | %H:%M:%S");
}

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHT_TYPE);
  pinMode(RELAYPIN1, OUTPUT);
  digitalWrite(RELAYPIN1, LOW);
  isFanOn = false;
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  Serial.println("Updating time...");

  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);
  printLocalTime();
}

void loop() {
  Serial.println("---");
  printLocalTime();
  float dataT = dhtSensor.getTemperature();
  Serial.println("Temp: " + String(dataT) + "°C");
  Serial.println("---");

  if (dataT >= 28.5 && isFanOn == false){
    isFanOn = true;
    delay(1000);
    digitalWrite(RELAYPIN1, HIGH);
    Serial.println("Kipas Menyala");
  } else if (dataT < 28.5 && isFanOn == true) {
    isFanOn = false;
    delay(1000);
    digitalWrite(RELAYPIN1, LOW);
    Serial.println("Kipas Mati");
  }
  delay(10000);
}