#!/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 "Delete email account."
  echo ""
  echo "usage: $thisfilename -e <email> [-x]"
  echo ""
  echo "  -h          Print this help."
  echo "  -e <email>  Email address to delete."
  echo "  -x          Execute (force) - don't prompt for confirmation."
}

vmail:getoptions "$@"

# check for email
if [[ -z $email ]]; then
  echo "email is required"
  exit
fi

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

# get email address id which also works to confirm address exists
dbquery="SELECT id FROM vm_mboxes WHERE mbox='$mbox' AND domain='$domain'"
mboxes_id=`$dbcmd $dbcmdopts "$dbquery"`

if [[ -z $mboxes_id ]]; then
  echo "ERROR: Email address $email does not exist."
  exit 1
elif [[ $mboxes_id -gt '0' ]]; then
  if [[ -n $execute ]] || vmail::yesno "Delete $email now?"; then
    # this should be sufficient for vm_* tables due to ON DELETE CASCADE foreign key references
    dbquery="DELETE FROM vm_mboxes WHERE id='$mboxes_id';"
    eval $dbcmd $dbcmdopts "\"$dbquery\""
    dbquery="DELETE FROM sa_userpref WHERE username='$email';"
    eval $dbcmd $dbcmdopts "\"$dbquery\""
    dbquery="DELETE FROM vm_greylisting WHERE recipient='$email';"
    eval $dbcmd $dbcmdopts "\"$dbquery\""
    dbquery="DELETE FROM vm_greylisting WHERE recipient LIKE '$mbox+%@$domain';"
    eval $dbcmd $dbcmdopts "\"$dbquery\""
    # this should be sufficient for rc due to ON DELETE CASCADE foreign key references
    dbquery="DELETE FROM rc_users WHERE username='$email';"
    eval $dbcmd $dbcmdopts "\"$dbquery\""
    if [ -d "$VMAIL_DIR/$domain/$mbox" ]; then
      rm -r $VMAIL_DIR/$domain/$mbox
    fi
    echo "SUCCESS: $email removed from system."
    exit 0
  fi
else
  echo "ERROR: System error querying vmail database"
  exit 1
fi