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

# load config
source /usr/local/etc/vhost.conf || echo "ERROR: Either you do not have vhost user permissions or the config file is missing." && exit

# check for and set virtualhost
if [ -n "$1" ]; then
  virtualhost=$1
else
  echo "virtualhost not set"
  exit 1
fi

# make sure virtualhost exists
if [ ! -d /srv/www/$virtualhost ]; then
  echo "virtualhost $virtualhost does not exist"
  exit 1
fi

# set database name
database=${virtualhost//./dot}
database=${database//-/dash}

# make sure database doesn't already exist
if [ -d /var/lib/mysql/$database ]; then
  echo "database $database already exists"
  exit 1
fi

# check for and set mysql username
if [ -n "$2" ]; then
  username=$2
else
  username=$(stat -c '%U' /srv/www/$virtualhost)@$virtualhost
fi

# check for and set mysql password
if [ -n "$3" ]; then
  password=$3
else
  password=`/usr/bin/pwgen 16 1`
fi

mysqladmin create $database
mysql -e "CREATE USER '$username'@'localhost' IDENTIFIED BY '$password';"
mysql -e "GRANT ALL PRIVILEGES ON $database.* TO '$username'@'localhost';"
mysqladmin flush-privileges

echo "database '$database' created with username '$username' and password '$password'"