#!/bin/bash

set -e +x

IFS=', ' read -re -a BACKUP_RESTORE_NAMESPACE_ARRAY <<< "$BACKUP_RESTORE_NAMESPACE_LIST"

function database_cmd() {
  NAMESPACE=$1

  POSTGRES_PWD=$(kubectl get secret -n "$NAMESPACE" postgresql-admin -o yaml  | grep POSTGRES_PASSWORD | awk '{print $2}' | base64 -d)
  POSTGRES_CREDS="postgresql://postgres:${POSTGRES_PWD}@postgresql.${NAMESPACE}.svc.cluster.local?sslmode=disable"
  SQL_CMD="psql $POSTGRES_CREDS"

  echo $SQL_CMD
}

for NAMESPACE in "${BACKUP_RESTORE_NAMESPACE_ARRAY[@]}";
do
  PSQL=$(database_cmd $NAMESPACE)

  # Verify if test database exists already
  DB_CMD="\connect ${TEST_DB_NAME}"
  if $PSQL -tc "$DB_CMD" > /dev/null 2>&1; then
    echo "Test database already exists in namespace $NAMESPACE."
    echo "Dropping the database, then will re-create it."
    $PSQL -tc "DROP DATABASE ${TEST_DB_NAME};"
  fi

  # Create test database
  DB_CMD="CREATE DATABASE ${TEST_DB_NAME};"
  $PSQL -tc "$DB_CMD"

  # Add a table to the test database
  $PSQL << EOF
    \connect ${TEST_DB_NAME};
    CREATE TABLE test_table1
      ( name character varying (255), age integer NOT NULL );
EOF

  # Add a couple rows to the table of the test database
  $PSQL << EOF
    \connect ${TEST_DB_NAME};
    INSERT INTO test_table1 VALUES ( 'name0', '0' );
    INSERT INTO test_table1 VALUES ( 'name1', '1' );
EOF
done