#!/bin/sh

EXPECTED_ARGS=3
ERROR=1
MYSQL=$(command -v which)

if [ $# -ne $EXPECTED_ARGS ]
then
  echo "Usage: $0 <database name> <database user> <database password>"
  exit $ERROR
fi
  
Q1="CREATE DATABASE IF NOT EXISTS $1;"
Q2="GRANT USAGE ON *.* TO $2@localhost IDENTIFIED BY '$3';"
Q3="GRANT ALL PRIVILEGES ON $1.* TO $2@localhost;"
Q4="FLUSH PRIVILEGES;"
SQL="${Q1}${Q2}${Q3}${Q4}"
  
$MYSQL -uroot -p -e "$SQL"