#!/bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/mysql-common-tools-resrore - MariaDB/MySQL Server restore
#
# Creation:     2004-06-22 jv
# Last Update:  $Id$
#
# Copyright (c) 2004 Jens Vehlhaber, jvehlhaber(at)buchenwald(dot)de
# Copyright (c) 2012-@@YEAR@@ Holger Bruenjes, holgerbruenjes(at)gmx(dot)net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# include eislib
. /var/install/include/eislib

# ---------------------------------------------------------------------------
# defaults
# ---------------------------------------------------------------------------
get_defaults()
{
    # default values
    . /srv/mysql/defaults.info

    eval backup_dir='${'${project_name}'_BACKUP_TARGET}'

    mysql_backupdir="${backup_dir:-/var/lib/mysql_backup}"
}

# ---------------------------------------------------------------------------
# check mount
# ---------------------------------------------------------------------------
check_mount()
{
    eval backup_mount='${'${project_name}'_BACKUP_MOUNT}'

    if [ -n "${backup_mount}" ]
    then
        eval '${'${project_name}'_BACKUP_MOUNT}'
    fi
}

# ---------------------------------------------------------------------------
# check umount
# ---------------------------------------------------------------------------
check_umount()
{
    eval backup_umount='${'${project_name}'_BACKUP_UMOUNT}'

    if [ -n "${backup_umount}" ]
    then
        eval '${'${project_name}'_BACKUP_UMOUNT}'
    fi
}

# ---------------------------------------------------------------------------
# check status and access of MariaDB/MySQL Database
# ---------------------------------------------------------------------------
check_status()
{
    if [ ! -f ${mysql_pid_file} ]
    then
        echo
        mecho --error 'MariaDB/MySQL Server is not running.'
        echo
        exit 1
    fi

    ${mysql_basedir}/${db_mysqladmin} --socket=${mysql_socket} \
                     status >/dev/null 2>&1
    if [ ${?} -ne 0 ]
    then
        echo
        mecho -n --error 'MariaDB/MySQL Server'
        mecho -n --std   " 'root' "
        mecho --error    'password is required.'
        mecho --info     'Please set the root password.'
        echo
        exit 1
    fi
}

# ---------------------------------------------------------------------------
# select file and make restore
# ---------------------------------------------------------------------------
run_list()
{
    color=''
    if $(grep -qE "^MENU=['\"]/var/install/bin/show-menu['\"]" /etc/config.d/setup)
    then
        color='--nocolor'
    fi

    /var/install/bin/list-files.cui -t "Select SQL file" \
                              -c "Restore from:" ${color} \
                              -p ${mysql_backupdir} \
                              -f "*[0-2][0-9][0-9][0-9]*-[0-5][0-9].???*" \
                              -o 1 -d -n -w \
                              -s "/usr/bin/mysql-common-restore.sh --project ${package_name}" \
                              --helpfile=/var/install/help/${package_name} \
                              --helpname=${project_name}_MENU_RESTORE
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------
main()
{
    package_name="${1}"
    project_name=$(echo ${package_name} | tr [:lower:] [:upper:])
    my_path=$(echo "${package_name}" | sed 's|[^[:digit:]]||g')

    # read the config parameter
    . /etc/config.d/${package_name}

    get_defaults
    check_status

    check_mount
    run_list
    check_umount

    exit 0
}

# ---------------------------------------------------------------------------
# call function main
# ---------------------------------------------------------------------------
main "${@}"

# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------