#include <LiquidCrystal.h>
#include "RTClib.h"
#define UP 34
#define DOWN 35
#define OK 32
#define maxIndex 3
#define minIndex 0
#define DEBUG 1

#if DEBUG==1
#define debug(x) Serial.print(x)
#define debugln(x) Serial.println(x)
#else
#define debug(x)
#define debugln(x)
#endif

RTC_DS1307 rtc;
const int rs = 13, en = 12, d4 = 14, d5 = 27, d6 = 26, d7 = 25;
String namaBulan[12] = {"JAN","FEB","MAR","APR","MEI","JUN","JUL","AGS","SEP","OKT","NOV","DES"};
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
byte jam=0;
byte menit=0;
byte tanggal=0;
byte bulan=0;
byte detik=0;
byte tempDetik=0;
int tahun=0;
bool print=false;
bool inMenu=false;
byte indexMenu=0;
bool up();
bool down();
bool ok();
float readTemp();
float readHum();


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(UP, INPUT);
  pinMode(DOWN, INPUT);
  pinMode(OK, INPUT);
  pinMode(19,INPUT);
  lcd.begin(16,2);
  if (! rtc.begin()) {
    debugln("Couldn't find RTC");
    Serial.flush();
    while (1) delay(10);
  }

  if (! rtc.isrunning()) {
    debugln("RTC is NOT running, let's set the time!");
    // When time needs to be set on a new device, or after a power loss, the
    // following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }

  lcd.setCursor(0,0);
  lcd.print("Irigasi");
  delay(2000);
  lcd.clear();
  
  

}

void loop() {
  DateTime now = rtc.now();
  jam=now.hour();
  menit= now.minute();
  tanggal=now.day();
  detik=now.second();
  String printBulan = namaBulan[now.month()-1];
  tahun = now.year()%2000;
  char buf[33];

  if(detik>=tempDetik){
    print=!print;
    tempDetik=detik+1;
  }
  if(tempDetik>=59){tempDetik=0;}
  
  if(print){
    sprintf(buf,"%2d %02d  %d-%s-%d", jam, menit, tanggal, printBulan, tahun);
  }else{
    sprintf(buf,"%2d:%02d  %d-%s-%d", jam, menit, tanggal, printBulan, tahun);
  }
  lcd.setCursor(0,0);
  lcd.print(buf);
//=============================MENU====================================
  // if(ok() && !inMenu){
  //   lcd.clear();
  //   inMenu=true;
  // }

  while(inMenu){
    if(up()){
      if(indexMenu<maxIndex){indexMenu++;}
      lcd.clear();
    }
    if(down()){
      if(indexMenu>minIndex){indexMenu--;}
      lcd.clear();
    }

    if(indexMenu==0){lcd.setCursor(0,0); lcd.print("1.Set Jadwal");}
    if(indexMenu==1){lcd.setCursor(0,0); lcd.print("2.Set Jam");}
    if(indexMenu==2){lcd.setCursor(0,0); lcd.print("3.Tes Output");}
    if(indexMenu==3){lcd.setCursor(0,0); lcd.print("4.EXIT");}
    // if(indexMenu==3 && ok()){
    //   delay(100);
    //   lcd.clear();
    //   indexMenu=0;
    //   inMenu=false;
    // }
  }
}

bool up(){
if(digitalRead(UP)==LOW){
//  while(digitalRead(UP)==LOW){}
  debugln("up true");
  return true;
}
delay(50);
debugln("up false");
return false;
}

bool down(){
if(digitalRead(DOWN)==LOW){
//  while(digitalRead(DOWN)==LOW){}
debugln("down true");
  return true;
}
delay(50);
debugln("down true");
return false;
}

// bool ok(){
// if(digitalRead(OK)==LOW){
// //  while(digitalRead(OK)==LOW){}
// debugln("OK true");
//   return true;
// }
// delay(50);
// debugln("OK false");
// return false;
// }