#!/bin/sh
# tmww plugin: notify
# whatis: popup notification for logon/logoff event
# conflicts: -
# depends: list.lib.sh
# recommends: -

# this file is part of tmww - the mana world watcher
# willee, 2012-2014
# GPL v3

# check if not run as plugin
if [ "$TMWW_PLUGINS" != "yes" ] ; then
    echo >&2 "This script is tmww plugin and rely heavily on it's facilities."
    exit 1
fi

help_notify() {
    cat << EOF
notify -- popup notification for logon/logoff event

    example crontab:
    */15 * * * * DISPLAY=:0 TMWW_INSTANCE=notify_fr \
        /path/to/tmww -frd 840 -anotify default friend.list type logon type logoff
    * * * * * DISPLAY=:0 TMWW_INSTANCE=notify_att \
        /path/to/tmww -frd 30 -anotify default attention.list type alarm

Options:

    LIST [ SOUNDEVENT SOUNDARG [ SOUNDEVENT SOUNDARG ] ]

    where LIST is player list to generate logon/logoff events
    and SOUNDEVENT/SOUNDARG optional pairs describe logon/logoff sound
    see tmww-config(5) and tmww-mbuzzer(1) for sound details
EOF
}

[ "$TMWW_PLUGINHELP" = "yes" ] && help_notify && return 0
[ "$TMWW_PLUGINEXPORT" = "yes" ] && return 0

requireplugin list.lib.sh || return 1

TMWW_NOTIFYAGENT="${TMWW_NOTIFYAGENT:-/usr/bin/notify-send -t 2000 %t %b}"
TMWW_NOTIFYSOCKET="${TMWW_NOTIFYSOCKET:-no}"

check_notify() {
    set -- ${TMWW_NOTIFYAGENT} 2>/dev/null
    if ! command -v "$1" >/dev/null 2>&1; then
        echo >&2 "Notify binary $1 not found. Aborting.";
        exit 1;
    fi
}
check_notify

# check if nothing to do
[ -s "${list_logon}" -o -s "${list_logoff}" ] || return 0

notify_body=''; match_ring=''

[ -z "$1" ] && { error_missing; return 1; }

list=$( compile_list "$1" )
# silent abort
[ -n "${list}" -a -s "${list}" ] || return 0

get_list=$( sort "${list}" | comm_12 - "${list_logon}" | make_csv )
if [ -n "${get_list}" ]; then
    notify_body="Logged on: ${get_list}\n"
    if [ -n "$2" -a -n "$3" ]; then
        r1="$2"; r2="$3"
    fi
    match_ring=1
fi
get_list=$( sort "${list}" | comm_12 - "${list_logoff}" | make_csv )
if [ -n "$get_list" ]; then
    notify_body="${notify_body}Logged off: ${get_list}"
    if [ -z "${match_ring}" ]; then
        if [ -n "$4" -a -n "$5" ]; then
            r1="$4"; r2="$5"
        fi
        match_ring=1
    fi
fi

if [ -n "${notify_body}" ]; then
    notify_body=$( printf "%s" "${notify_body}" | sed "s/'/'\"'\"'/g;s|[\/&]|\\\\&|g" )
    notify_title="TMW Watcher"
    if [ "${TMWW_NOTIFYSOCKET}" = "yes" ]; then
        "${TMWW_UTILPATH}/mbuzzer" -n "${notify_body}" >/dev/null 2>&1
    else
        notify_agent=$( printf "%s\n" "${TMWW_NOTIFYAGENT}" | \
            sed ${ESED} "s/%t/'${notify_title}'/;s/%b/'${notify_body}'/" )
        eval "${notify_agent}" >/dev/null 2>&1
    fi
fi

if [ -n "${match_ring}" ]; then
    aux_ring "${r1}" "${r2}"
fi

return