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

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

help()
{
  thisfilename=$(basename -- "$0")
  echo "Add virtualhost to this server."
  echo ""
  echo "usage: $thisfilename -d <domain> -u <username> [-h]"
  echo ""
  echo "  -h            Print this help."
  echo "  -d <domain>   Domain name to add as a VirtualHost. www. subdomain is automatically aliased."
  echo "  -u <username> Username to install VirtualHost for. Username must already exist."
  echo "                If need be run vhost-user-add.sh first."
  echo "                Or use vhost-deploy.sh instead to automatically generate username."
}

vhost:getoptions "$@"

# check for domain (virtualhost)
if [[ -z $domain ]]; then
  echo "domain is required"
  exit
fi

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

if [[ ! -d /home/$username ]]; then
  echo "home dir for $username does not exist"
  exit 1
fi

if [[ -d /srv/www/$domain ]]; then
  chown $username:$username /srv/www/$domain
  chmod 755 /srv/www/$domain
else
  install -d -o $username -g $username -m 755 /srv/www/$domain
fi

if [[ -d /srv/www/$domain/html ]]; then
  chown $username:$username /srv/www/$domain/html
  chmod 755 /srv/www/$domain/html
else
  install -d -o $username -g $username -m 755 /srv/www/$domain/html
fi

if [[ ! -e /home/$username/$domain ]]; then
  ln -s /srv/www/$domain /home/$username/$domain
  chown -h $username:$username /home/$username/$domain
fi

if [[ -d /usr/jails/$username ]]; then
  if [[ ! -d /usr/jails/$username/srv/www/$domain ]]; then
    install -d -o $username -g $username -m 755 /usr/jails/$username/srv/www/$domain
    mount --bind /srv/www/$domain /usr/jails/$username/srv/www/$domain
    echo "/srv/www/$domain /usr/jails/$username/srv/www/$domain none bind 0 0" >> /etc/fstab.jails
  fi
fi

# php-fpm pool
vhost::set-phpVersion
if [[ ! -f /etc/php/$phpVersion/fpm/pool.d/$username.conf ]]; then
  # create /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "[$username]" > /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "user = $username" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "group = $username" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  if [ -d /usr/jails/$username ]; then
    echo "chroot = /usr/jails/$username" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  fi
  echo "listen = /run/php/php$phpVersion-fpm-$username.sock" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "listen.owner = www-data" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "listen.group = www-data" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "pm = ondemand" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "pm.max_children = 12" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "pm.process_idle_timeout = 3s;" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  echo "php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -fwebmaster@$domain" >> /etc/php/$phpVersion/fpm/pool.d/$username.conf
  # restart php$phpVersion-fpm
  if systemctl is-active --quiet php$phpVersion-fpm ; then
    if /usr/sbin/php-fpm$phpVersion -t >/dev/null 2>&1 ; then
      systemctl reload php$phpVersion-fpm
    else
      echo "WARNING: php-fpm$phpVersion configuration test failed"
    fi
  fi
fi

# create & enable apache config
/usr/local/bin/vhost-enable.sh VHostHTTP $domain