#!/bin/bash
#
# vmail-stack
# https://git.stack-source.com/msb/vmail-stack
# Copyright (c) 2022 Matthew Saunders Brown <matthewsaundersbrown@gmail.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

# load include file
source $(dirname $0)/vmail.sh

help()
{
  thisfilename=$(basename -- "$0")
  echo "$thisfilename"
  echo "Add domain to vmail system"
  echo ""
  echo "usage: $thisfilename -d <domain>"
  echo ""
  echo "  -h              Print this help."
  echo "  -d              Domain to export from the vmail database."
  exit
}

vmail:getoptions "$@"

# check for domain
if [[ -z $domain ]]; then
  echo "ERROR: domain name is required"
  exit 1
fi

# build query
dbcmd="mysql --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE"
dbcmdopts="-s -r -N -e"

# check if domain exists in vmail database
dbquery="SELECT id FROM vm_domains WHERE domain='$domain';"
domains_id=`$dbcmd $dbcmdopts "$dbquery"`

if [[ "$domains_id" -gt '0' ]] ; then

  if [[ -d /var/vmail/$domain ]]; then

    # remove existing dump, if it exists
    if [[ -f /var/vmail/$domain/vm_dmp.sql ]]; then
      rm /var/vmail/$domain/vm_dmp.sql
    fi

    # create new empty dump file
    install --owner vmail --group vmail --mode=640 /dev/null /var/vmail/$domain/vm_dmp.sql

    # create array of vm db tables
    vmDbTableArray=("vm_domains" "vm_mboxes" "vm_aliases" "vm_autoresponders" "vm_filters" "vm_forwards")
    # dump data from each table
    for vmDbTable in ${vmDbTableArray[@]}; do
      eval mysqldump --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE --no-create-info --extended-insert=FALSE --complete-insert --compact --databases vmail --tables $vmDbTable --where="\"domain='$domain'"\"|sed -e "s/(\`id\`,/(/"|sed -e "s/([0-9]*,/(/" >> /var/vmail/$domain/vm_dmp.sql
    done
    # handle special cases vm_greylisting & sa_userpref
    eval mysqldump --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE --no-create-info --extended-insert=FALSE --complete-insert --compact --databases vmail --tables vm_greylisting --where="\"recipient LIKE '%@$domain'"\"|sed -e "s/(\`id\`,/(/"|sed -e "s/([0-9]*,/(/" >> /var/vmail/$domain/vm_dmp.sql
    eval mysqldump --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE --no-create-info --extended-insert=FALSE --complete-insert --compact --databases vmail --tables sa_userpref --where="\"username LIKE '%@$domain'"\"|sed -e "s/, \`prefid\`)/)/"|sed -e "s/,[0-9]*);/);/" >> /var/vmail/$domain/vm_dmp.sql

    echo
    echo "/var/vmail/$domain/vm_dmp.sql created."
    echo "You probably want to export the rouncubemail db too:"
    echo "vmail-roundcubemail-settings-export.php $domain"
    echo "Then sync /var/vmail/$domain/ to the new server and on the new server run:"
    echo "vmail-domains-imp.sh -d $domain"

  else

    echo "$domain exists in vmail db, but /var/vmail/$domain dir does not exist."
    exit 1

  fi

elif [[ -z $domains_id ]] ; then
  echo "ERROR: $domain does not exist in vmail database."
  exit 1
else
  echo "ERROR: System error querying vmail database"
  exit 1
fi