#include <EEPROM.h>//https://github.com/espressif/arduino-esp32/tree/master/libraries/EEPROM
#include <DHT.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <Wire.h>
#define DHTPIN A0

#define DHTTYPE DHT22
#define RESET 8
DHT dht(DHTPIN, DHTTYPE);

Adafruit_SSD1306 display = Adafruit_SSD1306(128, 64, &Wire, RESET);

const int lamp = 10;
const int mist = 11;
const int motor = 12;


const int mainBtn = 2;
const int upBtn = 3;
const int downBtn = 4;

int menuChoice;
int setPointSuhu = 30;
int setPointHumid = 30;
int setModePutar = 1;
int motorTimer = 100000;
int suhu;
int humid;


bool state = false;

void setup()
{
  Serial.begin(96000);
  // put your setup code here, to run once:
  pinMode(mist, OUTPUT);
  pinMode(lamp, OUTPUT);
  pinMode(motor, OUTPUT);

  pinMode(mainBtn, INPUT_PULLUP);
  pinMode(upBtn, INPUT_PULLUP);
  pinMode(downBtn, INPUT_PULLUP);
  //setup button
  digitalWrite(mainBtn, HIGH);
  digitalWrite(upBtn, HIGH);
  digitalWrite(downBtn, HIGH);

  dht.begin();

  
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.display();
  delay(10);
  display.clearDisplay();


  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);
  menuChoice = 2;
  EEPROM.write(0, setPointSuhu);
  EEPROM.write(1, setPointHumid);
  EEPROM.write(2, setModePutar);
}

void loop()
{
  digitalWrite(motor, LOW);
  setModePutar = EEPROM.read(2);
  unsigned long presentMillis = millis();


  //millis motor
  while (millis() - presentMillis <= motorTimer)
 {
    delay(200);



    // read DHT11
    suhu = dht.readTemperature();
    humid = dht.readHumidity();
   // Serial.println(suhu);
    //Serial.println(humid);
  
    //
    if (digitalRead(mainBtn) == LOW)
    {
      state = true;
      if (menuChoice < 5)
      {
        menuChoice++;
      }
      else
      {
        menuChoice = 1;
      }
    }

    switch (menuChoice)
    {
      case 1:
        setPointSuhu = EEPROM.read(0);
        setPointHumid = EEPROM.read(1);
        setModePutar = EEPROM.read(2);
        if ((state == true) || (suhu == 9))
        {
          state = false;
          display.clearDisplay();
          display.display();
        }
        display.clearDisplay();
        display.setTextSize(1.5);
        display.setTextColor(WHITE);
        display.setCursor(15, 0);
        display.print("Temp");
        display.setCursor(80, 0);
        display.print("Humid");
        display.setTextSize(3);
        display.setCursor(11, 20);
        display.print(suhu);
        display.setCursor(76, 20);
        display.print(humid);
        display.display();
        
        break;

      case 2:
        if (state == true)
        {
          state = false;
          display.clearDisplay();
          display.display();
        }
        display.clearDisplay();
        display.setTextSize(1.5);
        display.setTextColor(WHITE);
        display.setCursor(40, 0);
        display.print("Set Suhu");
        display.setTextSize(3);
        display.setCursor(48, 20);
        display.print(setPointSuhu);
        display.display();
      
        break;

      case 3:
        if (state == true)
        {
          state = false;
          display.clearDisplay();
          display.display();
        }
        display.clearDisplay();
        display.setTextSize(1.5);
        display.setTextColor(WHITE);
        display.setCursor(40, 0);
        display.print("Set Humid");
        display.setTextSize(3);
        display.setCursor(48, 20);
        display.print(setPointHumid);
        display.display();
     
        break;

      case 4:
        if (state == true)
        {
          state = false;
          display.clearDisplay();
          display.display();
        }
        display.clearDisplay();
        display.setTextSize(1.5);
        display.setTextColor(WHITE);
        display.setCursor(40, 0);
        display.print("Set Motor");
        display.setTextSize(3);
        display.setCursor(60, 20);
        display.print(setModePutar);
        display.display();
        break;

      case 5:
        if (state == true)
        {
          state = false;
          display.clearDisplay();
          display.display();
        }
        if((setPointSuhu != EEPROM.read(0)) || (setPointHumid != EEPROM.read(1)) || (setModePutar != EEPROM.read(2))){
        display.clearDisplay();
        display.setTextSize(1);
        display.setTextColor(WHITE);
        display.setCursor(10, 20);
        display.print("Simpan Perubahan ?");
        display.setTextSize(3);
        display.display();
        
        if(digitalRead(upBtn) == LOW){
          display.clearDisplay();
          display.setTextSize(2);
          display.setTextColor(WHITE);
          display.setCursor(5, 20);
          display.print("Tersimpan");
          display.display();
          delay(1000);
      
          
          if(setPointSuhu != EEPROM.read(0)){
            EEPROM.write(0, setPointSuhu);
          }
          
          if(setPointHumid != EEPROM.read(1)){
            EEPROM.write(1, setPointHumid);
          }
  
          if(setModePutar != EEPROM.read(2)){
            EEPROM.write(2, setModePutar);
          }

          state = true;
          menuChoice = 1;
        }
        if(digitalRead(downBtn) == LOW){
          display.clearDisplay();
          display.setTextSize(2);
          display.setTextColor(WHITE);
          display.setCursor(5, 20);
          display.print("Dibatalkan");
          display.display();
          delay(1000);
          state = true;
          menuChoice = 1;
        }
      }else{
        menuChoice = 1;
      }    
      break;
    }
    // button set point suhu
    if (menuChoice == 2 && digitalRead(upBtn) == LOW)
    {
      setPointSuhu++;
    }
    if (menuChoice == 2 && digitalRead(downBtn) == LOW && setPointSuhu > 0)
    {
      setPointSuhu--;
    }

    // button set point humidity
    if (menuChoice == 3 && digitalRead(upBtn) == LOW)
    {
      setPointHumid++;
    }
    if (menuChoice == 3 && digitalRead(downBtn) == LOW && setPointHumid > 0)
    {
      setPointHumid--;
    }

    // button set motor mode
    if (menuChoice == 4 && digitalRead(upBtn) == LOW)
    {
      if (setModePutar < 3)
      {
        setModePutar++;
      }
      else
      {
        setModePutar = 1;
      }
    }
    if (menuChoice == 4 && digitalRead(downBtn) == LOW && setModePutar > 0)
    {
      setModePutar--;
    }

    // motor mode conditioning
    if (setModePutar == 1)
    {
      motorTimer = 3600000;
    }
    else if (setModePutar == 2)
    {
      motorTimer = 3600000*2;
    }
    else if (setModePutar == 3)
    {
      motorTimer = 3600000*3;
    }

    //Pengkondisian Relay
    if (suhu > setPointSuhu)
    {
      digitalWrite(lamp, LOW);

    }
    else
    {
      digitalWrite(lamp, HIGH);
      
    }

    if (humid > setPointHumid)
    {
      digitalWrite(mist, LOW);
     
    }
    else
    {
      digitalWrite(mist, HIGH);
      
    }
  }
  state = true;
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(5, 20);
  display.print("Berputar");
  display.display();
  digitalWrite(motor, HIGH);

  delay(1000);
}