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#! /bin/bash

source ./bot_settings.sh
source ./lib/send.sh
source ./transport/transport_plus_ipc.sh.inc

if ! which inotifywait &> /dev/null
then
    echo '[LABS]: inotify is a dep. fail'
    exit
fi
if [[ -d "${IPC_NOTICE_CHANNEL}" ]]
then
    echo '[LABS]: no such file set in IPC_NOTICE_CHANNEL: '${IPC_NOTICE_CHANNEL}'. fail'
    exit
fi
if [[ -d "${BOT_MAIL_DIR}" ]]
then
    echo '[LABS]: no such directory set in BOT_MAIL_DIR: '${BOT_MAIL_DIR}'. fail'
    exit
fi
if [[ -d "${IPC_STORE_FILE}" ]]
then
    echo '[LABS]: no such file set in IPC_STORE_FILE: '${IPC_STORE_FILE}'. fail'
    exit
fi


shopt -s extglob

next_line_is_url=0

inotifywait -m --format '%w%f' -e create "${BOT_MAIL_DIR}" 2>/dev/null |
    while read email
    do
        while read line
        do
            case "${line}" in
                'Subject: ['* )
                    lp1="${line#Subject: [}"
                    lp="${lp1%% - *}"
                    echo -n "${lp}"
                    ;;
                'Issue #'* )
                    echo -n " - ${line}"
                    ;;
                *' #'+([[:digit:]])': '* )
                    echo -n " (${line#'Bug #'+([[:digit:]])': '})"
                    next_line_is_url=1
                    ;;
                'https://labs.parabola.nu/issues/'* )
                    (( next_line_is_url )) && echo -n " ${line}"
                    break
                    ;;
            esac
        done < "${email}"

        echo
    done |
        while read message
        do
            send_ipc_msg '0' "${message}"
        done