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

#define PIN_LED1 2
#define PIN_LED2 4
#define PIN_BUZZ 5
#define PIN_DHT 13
#define PIN_LDR 36

#define DHTTYPE DHT22
DHT dht(PIN_DHT, DHTTYPE);

char *ssid = "Wokwi-GUEST";
char *password = "";

String serverName = "http://192.168.100.179/example-app/public/esp/";

long lastTime = 0;
long timerDelay = 500;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  WiFi.begin(ssid, password);
	Serial.println("WiFi connecting...");

  while (!WiFi.isConnected()) {
		delay(100);
		Serial.print(".");
	}
	Serial.print("\n");
	Serial.printf("WiFi connected, IP: %s\n", WiFi.localIP().toString().c_str());


  dht.begin();
  pinMode(PIN_BUZZ, OUTPUT);
  pinMode(PIN_LED1, OUTPUT);
  pinMode(PIN_LED1, OUTPUT);
}

void loop() {
  delay(1000);
  int lux = analogRead(PIN_LDR / 2);
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();

  if (isnan(hum) || isnan(temp)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  

  Serial.println("Suhu : " + String(temp, 2) + "°C");
  Serial.println("Kelembapan : " + String(hum, 2) + "°C");
  Serial.println("Lux : " + String(lux) + "%");
  Serial.println("=======================");

  if (temp > 30){
    pinMode(PIN_LED1, OUTPUT);
	  digitalWrite(PIN_LED1,LOW);
    pinMode(PIN_LED2, OUTPUT);  
    digitalWrite(PIN_LED2,HIGH);
  } else if (temp <= 30) {
    pinMode(PIN_LED2, OUTPUT);
	  digitalWrite(PIN_LED2,LOW);
    pinMode(PIN_LED1, OUTPUT);
	  digitalWrite(PIN_LED1,HIGH);
  }

  if( (millis() - lastTime) > timerDelay){
    if( WiFi.status() == WL_CONNECTED){
      sendData(temp, hum, lux);
    }    
  }
  else{
    Serial.println("Disconnect");
  }

  lastTime = millis();

  delay(1000);
}

void sendData(float temp, float hum, int lux){
  HTTPClient http;

  String url = serverName + String(temp) + "/" + String(hum) + "/" +  String(lux);
  Serial.println("url: " + String(url));

  http.begin(url.c_str());

  int httpResponseCode = http.GET();

  if( httpResponseCode > 0){
    Serial.print("HTTP Response Code: ");
    Serial.println(httpResponseCode);
  }
  else{
    Serial.print("Error Code: ");
    Serial.println(httpResponseCode);
  }

  http.end();
}