#!/bin/sh
# SPDX-License-Identifier: BSD-3-Clause
# Script to initialize a FunQuail instance
#
# Copyright (c) 2026 Shin'ya Minazuki. All rights reserved.
#
# Redistribution and use in source or binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions, and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the authors nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

[ -f generated_config.env ] && rm -f generated_config.env
[ -f setup_db.psql ] && rm -f setup_db.psql

echo "What domain will your instance use?"
read HOSTNAME
export HOSTNAME

echo "What is your admin email address?"
read ADEMAIL

if [ -z $ADEMAIL ]; then
	echo "Using noreply@$HOSTNAME"
	ADEMAIL="noreply@$HOSTNAME"
fi

export ADEMAIL

echo "What is the hostname of your database?"
read DBHOST

if [ -z $DBHOST ]; then
	echo "Unset, assume 'localhost'"
	DBHOST="localhost"
fi

export DBHOST

echo "What is the name of your database?"
read DBNAME

if [ -z $DBNAME ]; then
	echo "Unset, assume 'funquail'"
	DBNAME="funquail"
fi

export DBNAME

echo "What is the user used to connect to your database?"
read DBUSER

if [ -z $DBUSER ]; then
	echo "Unset, assume 'funquail'"
	DBUSER="funquail"
fi
export DBUSER

echo "What is the password used to connect to your database?"
read DBPASS

if [ -z $DBPASS ]; then
	DBPASS="$(openssl rand -hex 24)"
fi

export DBPASS

echo "What is your e-mail user?"
read EMAIL_USER

export EMAIL_USER

echo "What is your e-mail password?"
read EMAIL_PASS

export EMAIL_PASS

echo "What is your e-mail host?"
read EMAIL_HOST

export EMAIL_HOST

cat <<EOF >>generated_config.env
# --- Autogenerated by funquail-instance-gen
DATABASE_URL="postgres://$DBUSER:$DBPASS@$DBHOST/$DBNAME"
DEFAULT_FROM_EMAIL="$ADEMAIL"
EMAIL_CONFIG=smtp+tls://$EMAIL_USER:$EMAIL_PASS@$EMAIL_HOST:587
FUNQUAIL_HOSTNAME="$HOSTNAME"
FUNQUAIL_PROTOCOL="https"
EOF

cat <<EOF >>setup_db.psql
--- Autogenerated by funquail-instance-gen - do not edit!
CREATE USER $DBUSER WITH PASSWORD "$DBPASS";
CREATE DATABASE $DBNAME OWNER $DBUSER;
\c $DBNAME
CREATE EXTENSION IF NOT EXISTS 'unaccent';
CREATE EXTENSION IF NOT EXISTS 'citext';
EOF

echo "Done"