#!/bin/bash

CURDIR=$(dirname "$(readlink -f "$0")")
source "$CURDIR"/shared.so

OUT=
TOOL=

function exec {
  ACTIONS=("send mails in queue" "list mails in queue" "switch connection status" "quit")
  PS3="Select action: "
  
  select action in "${ACTIONS[@]}"
  do
    echo  # empty line after selection
    case $REPLY in  # $REPLY takes the numbers which is nice
      1) # Show queue; ask for confirmation; if yes, send emails
      send_mailqueue
      break ;;
      2) # Show queue
      list_mailqueue
      break ;;
      3) # Switch online status
      switch_conn
      break ;;
      4|"q") # exit silently, one can also press "q" instead of the number
      exit 0
      break ;;
    esac
  done
}

function check_mailqueue {
  QUEUE=$(msmtp-listqueue.sh | grep -o "^From: " | wc -l)
  OUT="$OUT;mq=$QUEUE"
  TOOL="$TOOL;conn=$var_conn"
  
  # If $QUEUE > 0 and >10 runs, show notification
  if [ "$QUEUE" -gt 0 ]; then
    var_mailqueue_runs=$(($var_mailqueue_runs + 1))
  fi
  if [ "$QUEUE" -gt 0 ] && [ "$var_mailqueue_runs" -gt 9 ]; then
    notify-send "There are mails in the mailqueue. Remember sending them manually or switch online status."
    var_mailqueue_runs=0  # reset counter
  fi 
}

# MAIL QUEUE ACTIONS
function send_mailqueue {
  msmtp-listqueue.sh
  read -p "Send these queued mails? [Y/n]: " YN
  if [[ $YN =~ ^(Y|y|)$ ]]; then
    msmtp-runqueue.sh
  else
    echo "Not sending emails"
  fi
}
function list_mailqueue {
  msmtp-listqueue.sh
}
function switch_conn {
  echo "Current connection status: $var_conn"
  read -p "Switch connection status? [Y/n]: " YN
  if [[ $YN =~ ^(Y|y|)$ ]]; then
    if [ "$var_conn" == "off" ]; then
      var_conn="on"
      echo "Connection status switched to \"on\""
    else
      var_conn="off"
      echo "Connection status switched to \"off\""
    fi
  else
    echo "Connection status not changed."
  fi
}

# SVN STATUS
function check_svn {
  STATUS=$(wget -T 5 -q -O - $SVNSTATUS)
  EXIT="$?"
  if ([ "$EXIT" == 4 ] || [ "$EXIT" == 6 ] || [ "$EXIT" == 28 ]); then
    SVN="t/o"
  else
    SVN=$(echo $STATUS | cut -d";" -f1)
    SVN_REV=$(echo $STATUS | cut -d";" -f2)
  fi
  OUT="$OUT;svn=$SVN"
  TOOL="$TOOL;svn=$SVN_REV"
}

# DIRECT EXECUTE, CASE MENU
if [ "$1" == "exec" ]; then
  while :; do
    exec
    wtmp; source "$TMP"
    echo
  done
else
  # Show info on status bar
  check_mailqueue
  check_svn
  OUT=$(echo $OUT | sed -r 's/^;//')
  OUT=$(echo $OUT | sed -r 's/;/ \| /g')
  TOOL=$(echo $TOOL | sed -r 's/^;//')
  TOOL=$(echo $TOOL | sed -r 's/;/ \| /g')
  echo "<txt>$OUT</txt>"
  echo "<tool>$TOOL</tool>"
  echo "<img>/usr/share/icons/gnome/16x16/actions/format-justify-fill.png</img>"
  echo "<click>xfce4-terminal -x $0 exec &</click>"
  
  wtmp
fi