# Modalità "record"
# Variabili e funzioni di supporto
# a modalità record

# Setta la data della nuova entry
SHIFT_DATE="$(date +%F)"
SHIFT_DATE_HUMAN=

set_shift_date(){
  SHIFT_DATE_OCCUR="$(grep -c $SHIFT_DATE $SHIFT_FILE)"

  if [ $SHIFT_DATE_OCCUR -ne 0 ]
  then
    SHIFT_DATE="$SHIFT_DATE::$((SHIFT_DATE_OCCUR+1))"
    SHIFT_DATE_HUMAN="$SHIFT_DATE (shift n. $((SHIFT_DATE_OCCUR+1)) for this date)"
  else
    SHIFT_DATE_HUMAN="$SHIFT_DATE"
  fi

  return 0
}


# Setta il numero di ore di lavoro
SHIFT_DURATION=

set_shift_duration(){
while true
  do
    echo -n "Enter the duration of your shift in hours [Use an integer. Default: 2]: "
    read SHIFT_DURATION
    echo

    # Controlla che esista tra 1 e 4, se non esiste setta il default e interrompi
    case "$SHIFT_DURATION" in
      "")
        SHIFT_DURATION=2
        break
        ;;
      1|2|3|4)
        break
        ;;
      *)
        echo "The duration of the shift must be an integer between 1 and 4! Retry..."
    esac
  done

  return 0
}


# Permette di inserire un commento
SHIFT_COMMENT=
ENC_SHIFT_COMMENT=

set_shift_comment(){
  echo "Something remarkable to say? [One line. Enter nothing for no comment]:"
  read -ep '>' SHIFT_COMMENT

  if [ -z "$SHIFT_COMMENT" ]
  then
    SHIFT_COMMENT="[No comment]"
    echo "No news are good news."
  else
    ENC_SHIFT_COMMENT="$(echo $SHIFT_COMMENT | base64 -w 0)"
    SHIFT_COMMENT="\"$SHIFT_COMMENT\""
  fi

  return 0
}

# Richiede conferma all'utente
confirm_entry(){
  echo -e "\nshiftctl will record this new entry in shifts database file:"
  echo "date: $SHIFT_DATE_HUMAN"
  echo "operator: $RUNNER"
  echo "shift duration: ${SHIFT_DURATION}h"
  echo -e "comment: $SHIFT_COMMENT\n"

  while true
  do
    echo -n "Confirm entry? [y/n]: "
    read -n 1 BOOL
    echo

    case "$BOOL" in
      y|Y)
        ## Registra l'entrata
        echo "$SHIFT_DATE;$RUNNER;$SHIFT_DURATION;$ENC_SHIFT_COMMENT" >> $SHIFT_FILE ||\
	echoerr "Failed to record entry."

        echo -e "\n\e[0;32mEntry recorded.\e[0m Congratulations, more 150 points for you. *_*"
        break
        ;;
      n|N)
        echo -e "\nAbortion :(. Get on with your work!"
        break
        ;;
      *)
        echo -e '\nAre you retarded? Answer with "y" or "n"...'
    esac
  done

  return 0
}

# record mode
record(){
  set_shift_date
  set_shift_duration
  set_shift_comment
  confirm_entry

  return 0
}