/* MQTT ADAFRUIT **/
/* Self Service Banking */

#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"
#include <WiFiClient.h>;  // library tambahan wificlient.h
#include <WiFi.h>         // library tambahan wifi.h
#include <LiquidCrystal_I2C.h>
#include "RTClib.h"

LiquidCrystal_I2C lcd(0x27,16,2);
RTC_DS1307 rtc;

int jam,menit,detik,hari,tanggal,bulan,tahun;
char temp [33];
char nama_hari[7][7] = {"Minggu","Senin","Sel","Rabu","Kamis","Jumat","Sabtu"};
const int relayPins[] = {25,26,32,33};
const int numRelays = sizeof(relayPins) / sizeof(relayPins[0]);

#define Relay1   26 
#define Relay2   25
#define Relay3   33
#define Relay4   32
#define LED_BUILTIN 2
 
#define WLAN_SSID       "Wokwi-GUEST"        // Your SSID
#define WLAN_PASS       ""        // Your password

/* Adafruit.io Setup */
#define AIO_SERVER      "io.adafruit.com"
#define AIO_SERVERPORT  1883                   // use 8883 for SSL
#define AIO_USERNAME    "norxelboard"            // Replace it with your username
#define AIO_KEY         "aio_gHrr13hT4Y4sXf0GTrjBziL2O8rf"   // Replace with your Project Auth Key
 
/* Global State (you don't need to change this!) */
// Create an ESP8266 WiFiClient class to connect to the MQTT server.
WiFiClient client;
// or... use WiFiFlientSecure for SSL
//WiFiClientSecure client;
 
// Setup the MQTT client class by passing in the WiFi client and MQTT server and login details.
Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
 
/* Feeds **/
// Setup a feed called 'onoff' for subscribing to changes.
Adafruit_MQTT_Subscribe Light1 = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME"/feeds/relay1"); // FeedName
Adafruit_MQTT_Subscribe Light2 = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/relay2");
Adafruit_MQTT_Subscribe Light3 = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/relay3");
Adafruit_MQTT_Subscribe Light4 = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/relay4");
 
void MQTT_connect();
 
void setup() {
  Serial.begin(115200);
  lcd.backlight();
  lcd.init();
  lcd.setCursor(1,0);
  lcd.print("CONTROL BOARD");
  lcd.setCursor(1,1);
  lcd.print("NORXEL");  delay(2000); lcd.clear(); 
  rtc.begin();
  Serial.println("program siap");

 for (int i = 0; i < numRelays; i++) {
    pinMode(relayPins[i], OUTPUT);
    digitalWrite(relayPins[i], LOW);
 }
  pinMode(Relay1, OUTPUT);
  pinMode(Relay2, OUTPUT);
  pinMode(Relay3, OUTPUT);
  pinMode(Relay4, OUTPUT);
  pinMode(LED_BUILTIN, OUTPUT);

  // Connect to WiFi access point.
  Serial.println(); Serial.println();
  Serial.print("Connecting to ");
  Serial.println(WLAN_SSID);
 
  WiFi.begin(WLAN_SSID, WLAN_PASS);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println();
  Serial.println("WiFi connected");
  Serial.println("IP address: "); 
  Serial.println(WiFi.localIP());
 
  // Setup MQTT subscription for onoff feed.
  mqtt.subscribe(&Light1);
  mqtt.subscribe(&Light2);
  mqtt.subscribe(&Light3);
  mqtt.subscribe(&Light4);
}
 void relayonoff (int Light1_State) {
  if (Light1_State == 1){
  digitalWrite(Relay1, LOW);}
  else{
  digitalWrite(Relay1, HIGH);}
}
 void loop() {
  DateTime now = rtc.now();
  jam = now.hour();
  menit = now.minute();
  detik = now.second();
  hari = now.dayOfTheWeek();
  tanggal = now.day();
  bulan = now.month();
  tahun = now.year();
  sprintf (temp, "Pukul %02d:%02d WIB", jam, menit, detik);
  lcd.setCursor(0,0);lcd.print(temp);
  Serial.println(temp);
  sprintf (temp, "%s,%02d-%02d-%d", nama_hari[hari],tanggal,bulan,tahun);
  lcd.setCursor(0,1);lcd.print(temp);
  Serial.println(temp);

  if (hari >= 1 && hari <= 5) {  // Monday to Friday
    int currentTime = jam * 100 + menit;

    if (currentTime >= 1430 && currentTime < 1431) {
      // Turn on relays
      for (int i = 0; i < numRelays; i++) {
        digitalWrite(relayPins[i], HIGH);
      }
    } else {
      // Turn off relays
      for (int i = 0; i < numRelays; i++) {
        digitalWrite(relayPins[i], LOW);
      }
     }
   } else {
    // Turn off relays on weekends
   for (int i = 0; i < numRelays; i++) {
     // digitalWrite(relayPins[i], LOW);
   }
   } 
    delay(1000);
  
  MQTT_connect();
  Adafruit_MQTT_Subscribe *subscription;
  while ((subscription = mqtt.readSubscription(20000))) {
    if (subscription == &Light1) {
      Serial.print(F("Relay1: "));
      Serial.println((char *)Light1.lastread);
      int Light1_State = atoi((char *)Light1.lastread);
       if (Light1_State == 0){
       digitalWrite(Relay1, LOW);}
       else if (Light1_State == 1) {
       digitalWrite(Relay1, HIGH);}
     }
    if (subscription == &Light2) {
      Serial.print(F("Relay2: "));
      Serial.println((char *)Light2.lastread);
      int Light2_State = atoi((char *)Light2.lastread);
       if (Light2_State == 0){
       digitalWrite(Relay2, LOW);}
       else if (Light2_State == 1) {
       digitalWrite(Relay2, HIGH);}
    }
      if (subscription == &Light3) {
      Serial.print(F("Relay3: "));
      Serial.println((char *)Light3.lastread);
      int Light3_State = atoi((char *)Light3.lastread);
       if (Light3_State == 0){
       digitalWrite(Relay3, LOW);}
       else if (Light3_State == 1) {
       digitalWrite(Relay3, HIGH);}
    }
    if (subscription == &Light4) {
      Serial.print(F("Relay4: "));
      Serial.println((char *)Light4.lastread);
      int Light4_State = atoi((char *)Light4.lastread);
       if (Light4_State == 0){
       digitalWrite(Relay4, LOW);}
       else if (Light4_State == 1) {
       digitalWrite(Relay4, HIGH);}
    }
  }
}
void MQTT_connect() {
  int8_t ret;
  // Stop if already connected.
  if (mqtt.connected()) {
    return;
  }
  Serial.print("Connecting to MQTT... ");
  uint8_t retries = 3;
  while ((ret = mqtt.connect()) != 0) { // connect will return 0 for connected
    Serial.println(mqtt.connectErrorString(ret));
    Serial.println("Retrying MQTT connection in 5 seconds...");
    mqtt.disconnect();
    delay(5000);  // wait 5 seconds
    retries--;
    if (retries == 0) {
      // basically die and wait for WDT to reset me
      while (1);
    }
  }
  Serial.println("MQTT Connected!");
}