/* *********************************************************
 *  TeaBot V1.0 by SnakeP
 *  ********************************************************
 *  Code based on: https://www.youtube.com/c/CarloStramaglia
 *                      Thanks ;)
 *  ********************************************************
 *  Single click - set time in minutes
 *  Double click - start timer
 *  Long click - reset
 */
#include <Wire.h>
#include <LiquidCrystal.h>
 
#include <Servo.h>
#include "OneButton.h"
#include <EEPROM.h>
#include <LibPrintf.h>

#define EESIZE 256
#define EEPROM_MIN 10  //adresse minutes in EEProm
#define EEPROM_SEC 11  //adresse seconds in EEProm

#define DS1307_ADDRESS 0x68

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

byte zero = 0x00;

int col = 0;

int number, lastMin1, lastMin2, lastHour1, lastHour2;
int iStoredMin, iStoredSec;

Servo myservo;

//Servo position value definition
int POS_UP = 120;       //Up-position
int POS_MIDDLE = 85;    //Middle-position
int POS_DOWN = 35;      //Down-position

char strLine[2][20];

int i_seconds ;
int i_minutes;
int i_hours;
int i_dayWeek;
int i_dayMonth;
int i_month;
int i_year;


// Push Button PIN definition
#define PIN_INPUT A2

OneButton button1(PIN_INPUT, true);

void setup() {
  Serial.begin(115200);
  Wire.begin();
  // Initializes the LCD
  lcd.begin(16, 2);
  sprintf(strLine[0], "%16s", "Tea Maker V1.0");
  sprintf(strLine[1], "%16s", "Starting....");
  updateDisplay(true, 0);

  setDateTime();

  myservo.attach(2);
  myservo.write(POS_UP);

  button1.attachClick(singleClick_1);
  button1.attachDoubleClick(doubleClick_1);
  button1.attachLongPressStart(longPressStart_1);

  iStoredMin = EEPROM.read(EEPROM_MIN);
  iStoredSec = EEPROM.read(EEPROM_SEC);

  delay(100);  
}

int iLoopCnt = 0;

void loop() {
  button1.tick();
  delay (10);
  iLoopCnt++;
  if (iLoopCnt >= 100)
  {
     showClock();
     iLoopCnt = 0;
  }
}

void updateDisplay(bool bBothLines, int iLine)
{
  if (bBothLines)
  {
    lcd.setCursor(0,0);
    lcd.print(strLine[0]); 
     lcd.setCursor(0,1);
    lcd.print(strLine[1]); 
  }
  else
  {
    lcd.setCursor(0,iLine);
    lcd.print(strLine[iLine]); 
  }
}
byte convertToBCD(byte val) { // Converts the decimal number to BCD
  return ( (val / 10 * 16) + (val % 10) );
}

byte convertToDecimal(byte val) { // Converts from BCD to decimal
  return ( (val / 16 * 10) + (val % 16) );
}

void getDateTime()
{
  Wire.beginTransmission(DS1307_ADDRESS);
  Wire.write(zero);  // Stop at CI so that it can receive data
  Wire.endTransmission();
  Wire.requestFrom(DS1307_ADDRESS, 7);

  i_seconds = convertToDecimal(Wire.read());
  i_minutes = convertToDecimal(Wire.read());
  i_hours = convertToDecimal(Wire.read() & 0b111111);
  i_dayWeek = convertToDecimal(Wire.read());
  i_dayMonth = convertToDecimal(Wire.read());
  i_month = convertToDecimal(Wire.read());
  i_year = convertToDecimal(Wire.read());

}

void setDateTime()   // Set the date and time of the DS1307
{
  byte seconds = 03; // Values ​​from 0 to 59
  byte minutes = 02; // Values ​​from 0 to 59
  byte hours = 01; // Values ​​from 0 to 23
  byte dayWeek = 1; // Values ​​from 0 to 6, where 0 = Domgino, 1 = Monday
  byte dayMonth = 17; // Values ​​from 1 to 31
  byte month = 5; // Values ​​from 1 to 12
  byte year = 21; // Values ​​from 0 to 99

  Wire.beginTransmission(DS1307_ADDRESS);
  Wire.write(zero); // Stop at CI so that it can receive data

  // The lines below write the values ​​of date and
  // time they were placed in the variables above
  Wire.write(convertToBCD(seconds));
  Wire.write(convertToBCD(minutes));
  Wire.write(convertToBCD(hours));
  Wire.write(convertToBCD(dayWeek));
  Wire.write(convertToBCD(dayMonth));
  Wire.write(convertToBCD(month));
  Wire.write(convertToBCD(year));
  Wire.write(zero); // Start at CI
  Wire.endTransmission();
}

void showClock()
{
  getDateTime();

  if (i_seconds%2)
  {
    sprintf(strLine[1], "%02i.%02i.  %02i:%02i   ", i_dayMonth, i_month, i_hours, i_minutes, i_seconds);
    Serial.println(i_seconds);   
  }
  else
    sprintf(strLine[1], "%02i.%02i.  %02i:%02i * ", i_dayMonth, i_month, i_hours, i_minutes, i_seconds);
   
  updateDisplay(false, 1);

}


void singleClick_1()
{
  Serial.println("Single Click Button 1");
//  Serial.println(minutes);
  delay(100);
} // singleClick Add minutes


void doubleClick_1()
{
  Serial.println("Double Click Button 1");

  delay(100);  

} // doubleClick Timer Start

void longPressStart_1()
{
  Serial.println("long press Button 1");
  delay(100);  
} // longPressStart Timer Reset