#include <PubSubClient.h>
#include <WiFi.h>
#include "DHTesp.h"
//#include <LiquidCrystal.h>


const char* mqttServer    = "armadillo.rmq.cloudamqp.com";
const int mqttPort        = 1883;
const char* mqttUser      = "qodzxomh:qodzxomh";
const char* mqttPassword  = "OrRU5nkIkEjZ7lUmyQp_yEhT4uuofkmq";

WiFiClient espClient;
PubSubClient client(espClient);
DHTesp dhtSensor;
//LiquidCrystal ldrSensor;

const int DHT_PIN = 15;
const int ldrpin = 34;

int stattopic, DHTesp, ldrs;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(ldrpin, INPUT);
  WiFi.begin("Wokwi-GUEST", "", 6);
 
  while (WiFi.status() != WL_CONNECTED) 
  {
    delay(500);
    Serial.println("Connecting to WiFi..");
  }
  Serial.println("Connected to the WiFi network");
 
  client.setServer(mqttServer, mqttPort);
  client.setCallback(callback);
 
  while (!client.connected()) 
  {
    Serial.println("Connecting to MQTT...");
 
    if (client.connect("ESP8266Client", mqttUser, mqttPassword )) 
    {
      Serial.println("connected");  
    } else
     {
      Serial.print("failed with state ");
      Serial.print(client.state());
      delay(2000);
    }
  }
  // client.publish("esp/test", "hello aku udin"); //Topic name
  stattopic = client.subscribe("antarmuka");
}

void callback(char* topic, byte* payload, unsigned int length) 
{
  Serial.print("Message arrived in topic: ");
  Serial.println(topic);
 
  Serial.print("Message:");
  for (int i = 0; i < length; i++) 
  {
    stattopic = (char)payload[i];
    Serial.print((char)payload[i]);
  }
  Serial.println();
  Serial.println("-----------------------");
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  ldrs = map(analogRead(ldrpin), 0, 4095, 0, 100);

  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.print("LDR = ");
  Serial.print(ldrs);
  Serial.println("---");
  
  float t = data.temperature;
  float h = data.humidity;

  client.publish("suhu", String(t).c_str());
  client.publish("kelembapan", String(h).c_str());
  client.publish("ldr", String(ldrs).c_str());
  delay(500);
  client.loop();
}