#!/usr/bin/env bash
# email reminder notes using at(1)...

usage() {
  cat <<EOF
  Options:
  -c     | create job
  -l     | list current jobs
  -p n   | print details for job n
  -h     | print this message

EOF
}

alist() {
  atq | sort -r -k3M -k4
}

aprint() {
  awk -F\" '/gmail/ { print $2 }' <(at -c "$@")
}

aread() {
  read -p "Time of message? [HH:MM] " attime
  read -p "Date of message? [DD.MM.YY] " atdate
  read -p "Message body? " message

  timexp='^[0-9]{2}:[0-9]{2}'
  datexp='^[0-9]{2}.[0-9]{2}.[0-9]{2}'

  if [[ $attime =~ $timexp && $atdate =~ $datexp ]]; then
     at "$attime" "$atdate" << EOF
     printf '%s\n' "$message" | mutt -s "REMINDER" jasonwryan@gmail.com
EOF
  else
     printf '%s\n' "Incorrectly formatted values, bailing..." && exit 1
  fi
}

if (( $# >= 1 )); then
  case "$1" in
    -c) aread
        ;;
    -p) aprint "$2"
        ;;
    -l) alist
        ;;
    -h) usage
        ;;
     *) usage && exit 1
        ;;
  esac
else usage && exit 1
fi

# vim:set ts=2 sts=2 sw=2 et: