#!/usr/bin/env bash

# This script will run as the postgres user due to the Dockerfile USER directive
set -e

# Setup postgres CONF file
source /setup-conf.sh

# Setup ssl
source /setup-ssl.sh

# Setup pg_hba.conf
source /setup-pg_hba.sh

if [ -z "$REPLICATE_FROM" ]; then
	# This means this is a master instance. We check that database exists
	echo "Setup master database"
	source /setup-database.sh
else
	# This means this is a slave/replication instance.
	echo "Setup slave database"
	source /setup-replication.sh
fi

# Running extended script or sql if provided.
# Useful for people who extends the image.

echo
for f in /docker-entrypoint-initdb.d/*; do
	case "$f" in
		*.sh)     echo "$0: running $f"; . "$f" ;;
		*.sql)    echo "$0: running $f"; "${psql[@]}" < "$f"; echo ;;
		*.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${psql[@]}"; echo ;;
		*)        echo "$0: ignoring $f" ;;
	esac
	echo
done

# If no arguments passed to entrypoint, then run postgres by default
if [ $# -eq 0 ];
then
	echo "Postgres initialisation process completed .... restarting in foreground"

	su - postgres -c "$SETVARS $POSTGRES -D $DATADIR -c config_file=$CONF"
fi

# If arguments passed, run postgres with these arguments
# This will make sure entrypoint will always be executed
if [[ "${1:0:1}" = '-' ]]; then
	# append postgres into the arguments
	set -- postgres "$@"
fi

exec su - "$@"