#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);


byte push_menu = 12;
byte push_enter = 11;
byte push_up = 10;
byte push_down = 9;
byte LED = 13;
int count = 0;
int count_time = 0;
int hour = 0;
int minute = 0;
int bounce = 100;
boolean condition = LOW;
boolean manual = LOW;
boolean otomatis = LOW;
boolean time = LOW;


void setup() {
  Serial.begin(9600);
  pinMode(push_menu, INPUT_PULLUP);
  pinMode(push_enter, INPUT_PULLUP);
  pinMode(push_up, INPUT_PULLUP);
  pinMode(push_down, INPUT_PULLUP);
  pinMode(LED, OUTPUT);

  //Tampilan Awal LCD
  lcd.begin(16,2);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("Universitas");
  lcd.setCursor(0,1);
  lcd.print("Musamus Merauke");
  delay(3000);

}

void loop() {

  if(digitalRead(push_menu) == LOW){
        count++;
        Serial.println(count);
        delay(bounce);
  }

  if(count==0){
        lcd.clear();
        lcd.setCursor(6,0);
        lcd.print("Suhu");
        lcd.setCursor(3,1);
        lcd.print("Kelembapan");
        delay(500);
  }

  if(count==1){
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("=>Manual");
        lcd.setCursor(0,1);
        lcd.print("  Auto");
        lcd.setCursor(10,0);
        lcd.print("  Time");

        manual=LOW;
        otomatis=LOW;
        time=LOW;

        if(digitalRead(push_enter) == LOW){
          manual=HIGH;
          otomatis=LOW;
          time=LOW;
          delay(bounce);
        }
        delay(500);
  }

  if(count==2){
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("  Manual");
        lcd.setCursor(0,1);
        lcd.print("=>Auto");
        lcd.setCursor(10,0);
        lcd.print("  Time");

        manual=LOW;
        otomatis=LOW;
        time=LOW;

        if(digitalRead(push_enter) == LOW){
          manual=LOW;
          otomatis=HIGH;
          time=LOW;
          delay(bounce);
        }
        delay(500);
  }

  if(count==3){
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("  Manual");
        lcd.setCursor(0,1);
        lcd.print("  Auto");
        lcd.setCursor(10,0);
        lcd.print("=>Time");

        manual=LOW;
        otomatis=LOW;
        time=LOW;

        if(digitalRead(push_enter) == LOW){
          manual=LOW;
          otomatis=LOW;
          time=HIGH;
          delay(bounce);
        }
        delay(500);
  }

  if(count==4){
        count=1;
  }

//===============Sisten Manual=================

  if(manual == HIGH){
        lcd.clear();
        lcd.setCursor(2,0);
        lcd.print("Mode Manual");
        count=0;
        delay(1000);
        if(digitalRead(push_enter) == LOW){
                  delay(250);
                  condition =! condition;
                  digitalWrite(LED, condition);
        }
  }

//===============Sisten Otomatis================

  if(otomatis == HIGH){
        lcd.clear();
        lcd.setCursor(2,0);
        lcd.print("Mode Otomatis");
        Serial.println(hour);
        Serial.println(minute);
        count=0;
        delay(1000);
  }

//===============Set Time ======================

  while(time == HIGH){
        if(digitalRead(push_menu) == LOW){
              count_time++;
              delay(bounce);    
        }

        if(digitalRead(push_enter) == LOW){
              manual=LOW;
              otomatis=LOW;
              time=LOW;
              count=0;
              delay(bounce);    
        }

        if(count_time == 0){
              lcd.clear();
              lcd.setCursor(3,0);
              lcd.print("Atur Waktu");
              lcd.setCursor(0,1); lcd.print("=> Jam:"); lcd.setCursor(8,1); lcd.print(hour); lcd.setCursor(11,1); lcd.print("WIT");

              if((digitalRead(push_up) == LOW)&&(hour<24)){
                    hour++;
                    delay(bounce);   
              }

              if((digitalRead(push_down) == LOW)&&(hour>1)){
                    hour--;
                    delay(bounce);    
              }
        }

        if(count_time == 1){
              lcd.clear();
              lcd.setCursor(1,0);
              lcd.print("Lama Penyiraman");
              lcd.setCursor(0,1); lcd.print("=> Menit:"); lcd.setCursor(10,1); lcd.print(minute);

              if((digitalRead(push_up) == LOW)&&(minute<59)){
                    minute++;
                    delay(bounce);   
              }

              if((digitalRead(push_down) == LOW)&&(minute>1)){
                    minute--;
                    delay(bounce);    
              }
        }

        if(count_time == 2){
              count_time=0;
        }
    delay(500);
  }
}