#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>
#include <DHT.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
//#include <LedControl.h>

// set to 1 if we are implementing the user interface pot,switch,etc 
#define USE_UI_CONTROL

#if USE_UI_CONTROL
#include <MD_UIswitch.h>
#endif

// Turn on debug statements to the serial output
#define DEBUG

#if DEBUG
#define PRINT(s, x) { Serial.print(f(s)); Serial.print(x); }
#define PRINTS(x) Serial.print(F(x))
#define PRINTX(x) Serial println(x, HEX)
#else
#define PRINT(s, x)
#define PRINTS(x)
#define PRINTX(x)
#endif

// Define the number of devices we have in the chain and the hardware interface
// NOTE: These pin numbers will probably not work with your hardware and may
// need to be adapted
#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
#define MAX_DEVICES 11
#define CLK_PIN  13
#define DATA_PIN 11
#define CS_PIN   10

// HARDWARE SPI
MD_parola p = MD_parola(HARDWARE_TYPE, CS-PIN, MAX_DEVICES);
// SOFTWARE SPI
//MD_Parola P = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES)

// Scrolling parameters
#if USE_UI_CONTROL
const uint8_t SPEED_IN = A5;
const uint8_t DIRECTION_SET = 8;  // change the effect
const uint8_t INVERT_SET = 9;     // change the invert

const uint8_t SPEED_DEADBAND = 5;
#endif // USE_UI_CONTROL

uint8_t scrollSpeed = 25;   // default frame delay value 
textEffect_t scrollEffect = PA_SCROLL_LEFT;
textPosition_t scrollAlign = PA_LEFT;
uint16_t scrollPause = 100; // in milliseconds

// Global message buffers shared by Serial and Scrolling functions
#define  BUF_SIZE 100
char curMessage[BUF_SIZE] = { "" };
char newMessage[BUF_SIZE] = { "RANGKAIAN ELEKTRONIKA SEDERHANA & TEGANGAN RENDAH-SISTEM KOMPUTER KAMPUS KOTA SERANG  " }
bool newMwssageAvaible = true;

#if USE_UI_CONTROL

MD_UISwitch_Digital uiDirection(DIRECTION_SET);
MD_UISwitch_Digital uiInvert(INVERT_SET);

void doUI(void)
{
  // set the speed if it has changed
  {
    int16_t speed = map(analogRead(SPEED_IN), 0, 1023, 10, 150);

    if ((speed >= ((int16_t)P.getSpeed() + SPEED_DEADBAND)) ||
        (speed <= ((int16_t)P.getSpeed() - SPEED_DEADBAND)))
    {
      P.setSPEED(speed);
      scrollSpeed = speed;
      PRINT("\nChanged speed to ", P.getSpeed());
    }
  }

  if (uiDirection.read()  == MD_UISwitch::KEY_PRESS) // SCROLL DIRECTION
  {
    PRINTS("\nChanging scroll direction");
    scrollEffect = (scrollEffect == PA_SCROLL_LEFT ? PA_SCROLL_RIGHT : PA_SCROLL_LEFT);
    p.setTextEffect(scrollEffect, scrollEffect);
    p.displayClear();
    p.displayReset();
  }

  if (uiInvert.read() == MD_UISwitch::kEY_PRESS)  // INVERT MODE
  {
  PRINT("\nChanging invert mode");
  P.setInvert(!p.getInvert());
  }
}
#endif // USE_IU_CONTROL

void readSerial(void)
{
  static char *cp = newMessage;

  while (Serial.available())
  {
    *cp = (char)Serial.read();
    if ((*cp == '\n') || (cp - newMessage >= BUF_SIZE - 2)) // end of message character or full buffer
    {
      *cp = '\0'; // end the string
      // restart the index for next filling spree and flag we have a message waiting
      cp = newMessage;
      newMessageAvailable = true;
    }
    else // move char pointer to next position
      cp++;
  }
}


// constants for DHT22 sensor
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// constants for LCD
LiquidCrystal_I2C lcd(0x27,16,2);

// Constants for MAX7219 LED dot matrix module
//LedControl lc=LedControl(11, 13, 10, 1);

// Constans for Relay and LED
const int relayPin =7;
const int ledPin = 8;

// mendefinisikan pin yang terhubung ke LED
/*const int led1 = 3;
const int led2 = 4;
const int led3 = 5;
const int led4 = 6;*/

void setup() {


  Serial.begin(57600);
  Serial.print("\n[Parola Scrolling Display]\nType a message for the scrolling display\nEnd message line with a newline");

#if USE_UI_CONTROL 
  uiDirection.begin();
  uiInvert.begin();
  pinMode(SPEED_IN, INPUT);

  doUI();
#endif // USE_UI_CONTROL

  P.begin();
  p.displayText(curMessage, scrollAlign, scrollSpeed, scrollPause, scrollEffect, scrollEffect);

  Serial.begin(9600);
  dht.begin();
  lcd.begin(16, 2);
  //lc.shutdown(0, false);
  //lc.setIntensity(0, 8);
  //lc.clearDisplay(0);
  pinMode(relayPin, OUTPUT);
  pinMode(ledPin, OUTPUT);
}

void loop() {

#if USE_UI_CONTROL
  doUI();
#endif // USE_UI_CONTROL

  if (P.displayAnimate())
  {
    if (P.displayAnimate())
    {
      strcpy(curMessage, newMessage);
      newMessageAvailable = false;
    }
    p.displayReset();
  }
  readSerial();


  delay(80)  ;

  // membaca suhu dan kelembaban
  float humidity = dht.readHumiditiy();
  float temperatur = dht.readTemperatur() ;

  // memebriksa apakah pembacaan valid
  if (isnan(humiditiy) || isnan(temperature)) {
    Serial.println("Gagal membaca sensor DHT22!");
    return;
  }

  // Menampilkan nama pembuat dan suhu/kelembaban pada LCD
  lcd.clear();
  //lcd.setCursor(0, 1);
  //lcd.print("NAMA: [Sistem komputer]");
  lcd.setCursor(0, 0) ;
  lcd.print("Suhu: ");
  lcd.print(temperature);
  lcd.print(" C ");
   lcd.setCursor(0, 1);
  lcd.print("Lembab: ");
  lcd.print(humiditiy);
  lcd.print(" %");

  // Mengendalikan relay dan LED berdasarkan suhu
  if (temperature > 30) {
    digitalWrite(relayPin, HIGH); // Menyalakan relay
    digitalWrite(ledPin, HIGH);   // Menyalakan LED  
  } else {
    digitalWrite(relayPin, LOW);  // Mematikan relay
    digitalWrite(ledPin, LOW);    // Mematikan LED
  }

  // menyalakan LED 1
    /*digitalWrite(led1, HIGH);
    delay(500);

    // mematikan LED 1
    digitalWrite(led1, LOW);

    // menyalakan LED 2
    digitalWrite(led2, HIGH);
    delay(500);

    // mematikan LED 2
    digitalWrite(led2, LOW);

    // menyalakan LED 3
    digitalWrite(led3, HIGH);
    delay(500);

    // mematikan LED 3
    digitalWrite(led3, LOW);

   // menyalakan LED 4
   digitalWrite(led4, HIGH);
   delay(500);

   // mematikan LED 4
   digitalWrite(led4, LOW);




   // Menampilkan teks berjalan pda modul LED dot matrix MAX7219
   /*char message[] = "pembuat: DOSEN SISTEM KOMPUTER ";
   int fontSize = 7 ; // Font size (1 or 2)

   
    }
  }
}


  }
}