#!/bin/bash

echo '####################################################################'
echo '# docker_postgres_create_customer_script                           #'
echo '# Dennis Buchhorn - bucde@b-eit.de                                 #'
echo '####################################################################'
echo '# WARNING: password is clear text!                                 #'
#echo '#  #'
echo '####################################################################'
echo ''

POSTGRES_CONTAINER_NAME=""
POSTGRES_ADMIN_USER=''
POSTGRES_CUSTOMER_NAME=''
POSTGRES_CUSTOMER_PASSWORD=''

read -p "Enter postgres container name: " POSTGRES_CONTAINER_NAME
read -p 'Enter postgres admin user name: ' POSTGRES_ADMIN_USER
read -p 'Enter customer name: ' POSTGRES_CUSTOMER_NAME
read -p 'Enter customer password: ' POSTGRES_CUSTOMER_PASSWORD

POSTGRES_CUSTOMER_DBNAME="${POSTGRES_CUSTOMER_NAME}db"

rm -f tmp
touch tmp
echo "CREATE ROLE "$POSTGRES_CUSTOMER_DBNAME" NOSUPERUSER NOCREATEDB NOCREATEROLE NOINHERIT NOLOGIN;" >> tmp
echo "CREATE ROLE "$POSTGRES_CUSTOMER_NAME" NOSUPERUSER NOCREATEDB NOCREATEROLE NOINHERIT LOGIN ENCRYPTED PASSWORD '"$POSTGRES_CUSTOMER_PASSWORD"';" >> tmp
echo "GRANT "$POSTGRES_CUSTOMER_DBNAME" TO "$POSTGRES_CUSTOMER_NAME";" >> tmp
echo "CREATE DATABASE "$POSTGRES_CUSTOMER_DBNAME" WITH OWNER="$POSTGRES_CUSTOMER_NAME";" >> tmp
echo "REVOKE ALL ON DATABASE "$POSTGRES_CUSTOMER_DBNAME" FROM public;" >> tmp

cat tmp | docker exec -i $POSTGRES_CONTAINER_NAME psql -U $POSTGRES_ADMIN_USER -d template1

rm -f tmp
touch tmp
echo "GRANT ALL ON SCHEMA public TO "$POSTGRES_CUSTOMER_NAME" WITH GRANT OPTION;" >> tmp

cat tmp | docker exec -i $POSTGRES_CONTAINER_NAME psql -U $POSTGRES_ADMIN_USER -d $POSTGRES_CUSTOMER_DBNAME

rm -f tmp

echo "Database '"$POSTGRES_CUSTOMER_DBNAME"' with user '"$POSTGRES_CUSTOMER_NAME"' created."
echo 'Done!'