#include <WiFi.h>
#include <MQTT.h>
#include "DHT.h"
#include <Callmebot_ESP32.h>
#include <HTTPClient.h>

const char ssid[] = "Wokwi-GUEST";
const char pass[] = "";

WiFiClient net;
MQTTClient client;

#define DHT22Pin 5

#define ledRed 27
#define ledBlue 26

DHT dht(DHT22Pin, DHT22);

const int LDR_PIN = 33;

long duration;
int light;
float lightPercent;
String lightStatus;

unsigned long lastMillis = 0;
String phoneNumber = "6285171681103";
String apiKey = "8152098";

void connect(){
  // Menghubungkan ke WiFi
  Serial.print("Cek WiFi");
  while(WiFi.status() != WL_CONNECTED){
    Serial.print(".");
    delay(1000);
  }
  Serial.println("");
  Serial.println("Sukses Terhubung ke WiFi");

  // Menghubungkan ke Broker
  Serial.print("Cek Broker");
  while(!client.connect("")){ // Client ID boleh dikosongkan
    Serial.print(".");
    delay(1000);
  }
  Serial.println("");
  Serial.println("Sukses Terhubung ke Server");

  // Callmebot.whatsappMessage("6285171681103", "8152098", "Ini aku dari Wokwi API Key : 8152098, Nomor : 6285171681103");  
    // Send Message to WhatsAPP
  sendMessage("Hello from ESP8266! menggunakan prosedur");
  Serial.println(Callmebot.debug());
  client.subscribe("labskite/iot/#", 1); // subcribe dengan QoS 1
}

void sendMessage(String message){

  // Data to send with HTTP POST
  String urlcallmebot = "http://api.callmebot.com/whatsapp.php?phone=" + phoneNumber + "&apikey=" + apiKey + "&text=" + urlEncode(message);
  String url = "http://api.textmebot.com/send.php?recipient=+6285171681103&apikey=jz5VnNuGAooY&text=This%20is%20a%20test";
  WiFiClient client;    
  HTTPClient http;
  http.begin(client, url);

  // Specify content-type header
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");
  
  // Send HTTP POST request
  int httpResponseCode = http.POST(url);
  if (httpResponseCode == 200){
    Serial.print("Message sent successfully");
  }
  else{
    Serial.println("Error sending the message");
    Serial.print("HTTP response code: ");
    Serial.println(httpResponseCode);
  }

  // Free resources
  http.end();
}

void subscribeData(String &topic, String &data){
  Serial.print("Topic: ");
  Serial.println(topic);
  Serial.print("Data: ");
  Serial.println(data);

  if(topic == "labskite/iot/led1"){  
    digitalWrite(ledRed, data.toInt());   //control led 1
  if (digitalRead(ledRed) == HIGH){
          Serial.println("merah nyala");
        client.publish("labskite/iot/led1/status", "ON", true, 1);
     } else {
      Serial.println(("merah mati"));
      client.publish("labskite/iot/led1/status", "OFF", true, 1);
     }
  }

  if(topic == "labskite/iot/led2"){
    digitalWrite(ledBlue, data.toInt());   //control led 2
  if (digitalRead(ledBlue) == HIGH){
          Serial.println("biru nyala");
        client.publish("labskite/iot/led2/status", "ON", true, 1);
     } else {
      Serial.println(("biru mati"));
      client.publish("labskite/iot/led2/status", "OFF", true, 1);
     }
  }
}

void publish(){
  float hum = dht.readHumidity();
  float temp = dht.readTemperature();
  Serial.print("Temperature : ");
  Serial.print(temp);
  Serial.print(" C ");

  Serial.print("Humidity : ");
  Serial.print(hum);
  Serial.println(" % ");
  delay(500);

  ldr();

  client.publish("labskite/iot/dht/temp", String(temp), true, 1); // publish variabel temperatue ke topic labskite/iot/dht/temp dengan QoS 1
  delay(500);
  client.publish("labskite/iot/dht/humi", String(hum), true, 1); // publish variabel humidity ke topic labskite/iot/dht/humi dengan QoS 1
  delay(500);
  client.publish("labskite/iot/ldr/level", String(light), true, 1); // publish variabel humidity ke topic labskite/iot/dht/humi dengan QoS 1
  delay(500);
  client.publish("labskite/iot/ldr/percent", String(lightPercent), true, 1); // publish variabel humidity ke topic labskite/iot/dht/humi dengan QoS 1
  delay(500); 
  client.publish("labskite/iot/ldr/state", String(lightStatus), true, 1); // publish variabel humidity ke topic labskite/iot/dht/humi dengan QoS 1
}

void ldr()
{
    // Read the LDR value
    light = analogRead(LDR_PIN);
    lightPercent = (light / 4095.0) * 100.0; 
    if (lightPercent < 30) {
        lightStatus = "Cerah";
    } else if (lightPercent < 60) {
        lightStatus = "Mendung";
    } else {
        lightStatus = "Malam";
    }

    // Serial.print("Light Level: ");
    // Serial.println(light);
    // Serial.print("Light Percent: ");
    // Serial.print(lightPercent);
    // Serial.println(" %");
    // Serial.print("Status Cuaca: ");
    // Serial.print(lightStatus);

    // Convert the light level to a string
    String lightLevelStr = String(lightPercent);

}


void setup() {
  Serial.begin(115200);
  pinMode(ledRed,OUTPUT); 
  pinMode(ledBlue,OUTPUT);
  dht.begin();

  Serial.begin(9600);
  WiFi.begin(ssid, pass);
  client.begin("broker.emqx.io", net);
  client.onMessage(subscribeData); 
  connect();

// mengubah status indikator pada Io MQTT Panel
  if (digitalRead(ledRed) == HIGH){
          Serial.println("merah nyala");
        client.publish("labskite/iot/led1/status", "ON", true, 1);
     } else {
      Serial.println(("merah mati"));
      client.publish("labskite/iot/led1/status", "OFF", true, 1);
     }

// mengubah status indikator pada Io MQTT Panel
       if (digitalRead(ledBlue) == HIGH){
          Serial.println("merah nyala");
        client.publish("labskite/iot/led2/status", "ON", true, 1);
     } else {
      Serial.println(("merah mati"));
      client.publish("labskite/iot/led2/status", "OFF", true, 1);
     }
}

void loop() {
  client.loop();
  // publish a message roughly every second.
 if (millis() - lastMillis > 1000) {
    lastMillis = millis();
    publish();
  }
  delay(100);
}