#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_GFX.h>
#include "DHT.h"
//#include <EEPROM.h>
//#include <Servo.h>

Adafruit_SSD1306 lcd(128, 64, &Wire, 4);

#define btnUp   9
#define btnOk   5
#define btnDown 8
#define btnBack 6


#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

#define led_kuning 13
#define led_biru 12
#define buzzer 7
#define lamp 10
#define spray 3

boolean statusBtnUp   = false;
boolean statusBtnOk   = false;
boolean statusBtnDown = false;
boolean statusBtnBack = false;

boolean statusAkhirBtnUp   = false;
boolean statusAkhirBtnOk   = false;
boolean statusAkhirBtnDown = false;
boolean statusAkhirBtnBack = false;

boolean UP   = false;
boolean OK   = false;
boolean DOWN = false;
boolean BACK = false;

int halaman  = 0;
int menuItem = 1;
//#define EE_MAX 1
//#define EE_MIN 0
//#define EE_HMAX 2
//#define EE_HMIN 3
float tmax = 39.00;
float tmin = 38.00;
float hmax = 58.00;
float hmin = 56.00;
int w = 1;

//Servo arm;
//float pos = 0.0; // Variable where the arm's position will be stored (in degrees)
//float step = 1.0; // Variable used for the arm's position step


void setup() {
  Serial.begin(115200);
  //Serial.begin(9600);
  lcd.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  lcd.clearDisplay();
  dht.begin();
 // arm.attach(A0);
 // arm.write(pos);
  //EEPROM.write(EE_MIN,37);
  //EEPROM.write(EE_HMAX,60);
  //EEPROM.write(EE_HMIN,55);

  //tmax = EEPROM.read(EE_MAX);
 // tmin = EEPROM.read(EE_MIN);
  //hmax = EEPROM.read(EE_HMAX);
  //hmin = EEPROM.read(EE_HMIN);
  pinMode(btnUp,   INPUT_PULLUP);
  pinMode(btnOk,   INPUT_PULLUP);
  pinMode(btnDown, INPUT_PULLUP);
  pinMode(btnBack, INPUT_PULLUP);

  pinMode(buzzer, OUTPUT);
  pinMode(led_kuning, OUTPUT);
  pinMode(led_biru, OUTPUT);
  pinMode(lamp, OUTPUT);
  pinMode(spray, OUTPUT);
}

void loop() {
 // delay(300);
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);
if(h<hmin){
  tone(buzzer,LOW);
  delay(100);
  if(w == 30){
    w = 1;
  }
  if(w == 1){
    digitalWrite(spray,HIGH);
    delay(1000);
    digitalWrite(spray, LOW);
  }
  w = w+1;
  noTone(buzzer);
}else if( h>= hmin && h<= hmax){
  noTone(buzzer);
}else if(h > hmax){
  tone(buzzer,HIGH);
  delay(100);
  noTone(buzzer);
}


  if (t <tmin) {
  digitalWrite(lamp, HIGH);
  digitalWrite(led_kuning, LOW);
  digitalWrite(led_biru, HIGH);
  tone(buzzer, LOW);
  delay(100);
  noTone(7);
  delay(100);

}
else if (t >=tmin && t <=tmax){
  digitalWrite(led_kuning, HIGH);
  digitalWrite(led_biru, LOW);
  noTone(7);
}
else if (t >tmax){
  digitalWrite(lamp, LOW);
  digitalWrite(led_kuning, LOW);
  digitalWrite(led_biru, HIGH);
  tone(buzzer, 1000);
  delay(100);
  noTone(7);
  delay(10);
}
 // if (isnan(h) || isnan(t) || isnan(f)) {
  //  Serial.println(F("Failed to read from DHT sensor!"));
 //   return;
 // }
    // Compute heat index in Fahrenheit (the default)
//  float hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
//  float hic = dht.computeHeatIndex(t, h, false);
  tampil();

  statusBtnUp   = digitalRead(btnUp);
  statusBtnOk   = digitalRead(btnOk);
  statusBtnDown = digitalRead(btnDown);
  statusBtnBack = digitalRead(btnBack);

  saatUpDitekan();
  saatOkDitekan();
  saatDownDitekan();
  saatBackDitekan();

  //  untuk button up
  if (UP && halaman == 1) {
    UP = false;
    menuItem --;
    if (menuItem < 1)menuItem = 5;
  }else if(UP && halaman == 2){
    tmax = tmax +1;
   // EEPROM.write(EE_MAX,tmax);
    UP = false;
  }else if(UP && halaman == 3){
    tmin = tmin + 1;
    //EEPROM.write(EE_MIN,tmin);
    UP = false;
  }else if(UP && halaman == 4){
    hmax = hmax + 1;
     UP = false;
  }else if(UP && halaman == 5){
    UP = false;
   // hmin = hmin + 1;
  }

  //untuk button down
  if (DOWN && halaman == 1) {
    DOWN = false;
    menuItem ++;
    if (menuItem > 5)menuItem = 1;
  }else if(DOWN && halaman == 2){
    tmax = tmax - 1;
    if(tmax == tmin) tmax = tmin + 1;
    //EEPROM.write(EE_MAX,tmax);
    DOWN = false;
  }else if(DOWN && halaman == 3){
    tmin = tmin - 1;
    //EEPROM.write(EE_MIN,tmin);
    DOWN = false;
  }else if(DOWN && halaman == 4){
     hmax = hmax - 1;
     DOWN = false;
  }else if(DOWN && halaman == 5){
   //  hmin = hmin - 1;
     DOWN = false;
  }

  //  untuk button ok
  if (OK) {
    OK = false;
    if (halaman == 1 && menuItem == 1) {
      halaman = 2;
    } else if (halaman == 1 && menuItem == 2) {
      halaman = 3;
    } else if (halaman == 1 && menuItem == 3) {
      halaman = 4;
    } else if (halaman == 1 && menuItem == 4) {
      halaman = 5;
    } else if (halaman == 1 && menuItem == 5) {
      halaman = 6;
    } else if (halaman == 0) {
      halaman = 1;
    }
  }

  //  untuk button back
  if (BACK) {
    BACK = false;
    if (halaman == 2 || halaman == 3 || halaman == 4 || halaman == 5 || halaman == 6 ) {
      halaman = 1;
    } else if (halaman == 1){
      halaman = 0;
    }
      
  }
 // if(halaman == 1){
  //Serial.println(menuItem);
 // delay(100);
 // }
}

//--------------------------------------------------------------------------------
void saatUpDitekan() {
  if (statusBtnUp != statusAkhirBtnUp) {
    if (statusBtnUp == 0) {
      UP = true;
    }
    delay(50);
  }
  statusAkhirBtnUp = statusBtnUp;
}

void saatOkDitekan() {
  if (statusBtnOk != statusAkhirBtnOk) {
    if (statusBtnOk == 0) {
      OK = true;
    }
    delay(50);
  }
  statusAkhirBtnOk = statusBtnOk;
}

void saatDownDitekan() {
  if (statusBtnDown != statusAkhirBtnDown) {
    if (statusBtnDown == 0) {
      DOWN = true;
    }
    delay(50);
  }
  statusAkhirBtnDown = statusBtnDown;
}

void saatBackDitekan() {
  if (statusBtnBack != statusAkhirBtnBack) {
    if (statusBtnBack == 0) {
      BACK = true;
    }
    delay(50);
  }
  statusAkhirBtnBack = statusBtnBack;
}
//----------------------------------------------------------------------------

//semua yang tampil di lcd ada di fungsi ini
void tampil() {
  if (halaman == 1) {
    lcd.clearDisplay();
    lcd.setTextSize(1);
    lcd.setTextColor(WHITE);
    lcd.setCursor(10, 0);
    lcd.print("SETTING PARAMETER");

    if (menuItem == 1) {
      lcd.setCursor(10, 10);
      lcd.setTextColor(WHITE);
      lcd.print("> Set Suhu Max ");
    } else {
      lcd.setCursor(10, 10);
      lcd.setTextColor(WHITE);
      lcd.print("  Set Suhu Max");
    }

    if (menuItem == 2) {
      lcd.setCursor(10, 20);
      lcd.setTextColor(WHITE);
      lcd.print("> Set Suhu Min");
    } else {
      lcd.setCursor(10, 20);
      lcd.setTextColor(WHITE);
      lcd.print("  Set Suhu Min");
    }

    if (menuItem == 3) {
      lcd.setCursor(10, 30);
      lcd.setTextColor(WHITE);
      lcd.print("> Set Spray On");
    } else {
      lcd.setCursor(10, 30);
      lcd.setTextColor(WHITE);
      lcd.print("  Set Spray On");
    }

    if (menuItem == 4) {
      lcd.setCursor(10, 40);
      lcd.setTextColor(WHITE);
      lcd.print("> Set Spray Off");
    } else {
      lcd.setCursor(10, 40);
      lcd.setTextColor(WHITE);
      lcd.print("  Set Spray Off");
    }

    if (menuItem == 5) {
      lcd.setCursor(10, 50);
      lcd.setTextColor(WHITE);
      lcd.print("> Roller");
    } else {
      lcd.setCursor(10, 50);
      lcd.setTextColor(WHITE);
      lcd.print("  Roller");
    }

  } else if (halaman == 2) {
    lcd.clearDisplay();
    lcd.setTextColor(WHITE);
    lcd.setTextSize(1);
    lcd.setCursor(16, 10);
    lcd.print("SET SUHU MAXIMAL");
    lcd.setCursor(40, 30);
    lcd.print(tmax);

  } else if (halaman == 3) {
    lcd.clearDisplay();
    lcd.setTextSize(1);
    lcd.setTextColor(WHITE);
    lcd.setCursor(16, 15);
    lcd.print("SET SUHU MINIMAL");
    lcd.setCursor(40, 35);
    lcd.print(tmin);
  } else if (halaman == 4) {
    lcd.clearDisplay();
    lcd.setTextSize(1);
    lcd.setTextColor(WHITE);
    lcd.setCursor(25, 10);
    lcd.print("SET SPRAY MAX");
    lcd.setCursor(20, 35);
    lcd.setTextSize(1);
    lcd.print("Lembab :");
    lcd.setCursor(70, 35);
    lcd.print(hmax);
    lcd.setCursor(105, 35);
    lcd.print("%");
  } else if (halaman == 5) {
    lcd.clearDisplay();
    lcd.setTextSize(1);
    lcd.setTextColor(WHITE);
    lcd.setCursor(25, 10);
    lcd.print("SET SPRAY MIN");
    lcd.setCursor(20, 35);
    lcd.print("Lembab :");
    lcd.setCursor(70, 35);
    lcd.print(hmin);
    lcd.setCursor(105, 35);
    lcd.print("%");
  } else if (halaman == 6) {
    lcd.clearDisplay();
    lcd.setTextSize(1);
    lcd.setTextColor(WHITE);
    lcd.setCursor(25, 15);
    lcd.print("SETTING ROLLER");
  } else{
      float h = dht.readHumidity();
      float t = dht.readTemperature();
      float f = dht.readTemperature(true);

    lcd.clearDisplay();
    lcd.setTextSize(1);
    lcd.setTextColor(WHITE);
    lcd.setCursor(0, 0);
    lcd.print("AKTUALISASI PENETASAN");
    lcd.setCursor(5, 15);
    lcd.print("Suhu");
    lcd.setCursor(5, 28);
    lcd.print("Kelembaban");
    lcd.setCursor(110, 28);
    lcd.print("%");
    lcd.setCursor(70, 15);
    lcd.print(":");
    lcd.setCursor(70, 28);
    lcd.print(":");
    lcd.setCursor(77, 15);
    lcd.print(t);
    lcd.setCursor(77, 28);
    lcd.print(h);


  }

  lcd.display();
}