#!/bin/bash
#
# vmail-stack
# https://git.stack-source.com/msb/vmail-stack
# MIT License Copyright (c) 2021 Matthew Saunders Brown

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

help()
{
  thisfilename=$(basename -- "$0")
  echo "$thisfilename"
  echo "Get email account data from vmail database."
  echo ""
  echo "usage: $thisfilename [username|domain|fullemail] [OPTIONS]"
  echo ""
  echo "  -c          Output in cvs format."
  echo "  -h          Print this help."
  echo "  -s          Be more silent - use tabs instead of tables for output, do not display column headers."
  echo "  -p          Include encrypt password in output."
  echo "  -w          Wildcard search when searching for username."
  echo ""
  echo "              Search term is optional. If nothing specified all email acccounts for all domains will be returned."
  echo "              By default username searches are for exact matchs."
  echo "              Specify -w to turn them in to a wildcard search. Examples:"
  echo "              $thisfilename joe@example.com # search for specific email address 'joe@example.com'."
  echo "              $thisfilename joe             # search for username 'joe' in all domains."
  echo "              $thisfilename joe -w          # search for usernames containing 'joe' in all domains."
  echo "              $thisfilename example.com     # search for all usernames in the 'example.com' domain."
  exit
}

dbcmd="mysql --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE"
dbcmdopts="-e"

# check for and set email search term(s)
if [ -n "$1" ]; then
  if [ $1 == "-h" ]; then
    help
  elif [[ ! $1 =~ ^- ]] ; then
    searchterm=$1
    shift
    if [[ $searchterm =~ "@" ]] ; then
      mbox=${searchterm%@*}
      domain=${searchterm##*@}
    elif vmail::validate_domain $searchterm; then
      domain=$searchterm
    else
      mbox=$searchterm
    fi
  fi
fi

# set any options that were passed
while getopts "chspw" opt; do
  case "${opt}" in
    c )
      cvs="| sed 's/\t/,/g'"
      ;;
    h )
      help
      exit;;
    s )
      dbcmdopts="-s -N $dbcmdopts"
      ;;
    p )
      includepassword=true
      ;;
    w )
      wildcardsearch=true
      ;;
    \? )
      echo "Invalid option: $OPTARG" 1>&2
      exit;;
  esac
done

# build query
dbquery="SELECT vm_mboxes.mbox, vm_domains.domain"
if [ -n "$includepassword" ]; then
  dbquery="$dbquery, vm_mboxes.passwd"
fi
dbquery="$dbquery, vm_mboxes.status, vm_mboxes.quota FROM vm_domains, vm_mboxes WHERE vm_domains.id=vm_mboxes.domain_id"
if [ -n "$mbox" ] && [ -n "$domain" ]; then
  # search for specific email address
  dbquery="$dbquery AND vm_domains.domain='$domain' AND vm_mboxes.mbox='$mbox'"
elif [ -n "$mbox" ] && [ -z "$domain" ]; then
  # search all domains for username
  if [ -n "$wildcardsearch" ]; then
    # wildcard search
    dbquery="$dbquery AND vm_mboxes.mbox LIKE '%$mbox%'"
  else
    # exact match
    dbquery="$dbquery AND vm_mboxes.mbox='$mbox'"
  fi
elif [ -z "$mbox" ] && [ -n "$domain" ]; then
  # get all usernames for domain
  dbquery="$dbquery AND vm_domains.domain='$domain'"
# elif [ -z "$mbox" ] && [ -z "$domain" ]; then
#   echo "ERROR: No username or domain specified."
#   help
# uncomment above 3 lines to force search term, otherwise all email addresses for all domains will be returned
fi

# set order by
dbquery="$dbquery ORDER BY vm_domains.domain, vm_mboxes.mbox;";

# execute mysql query
eval $dbcmd $dbcmdopts "\"$dbquery\"" $cvs