#!/bin/sh

SOURCE_DIR=$(realpath $(dirname "${0}"))/pandora

# Check prerequisites
docker image ls | grep -q rabbitmq || $(realpath $(dirname "${0}"))/rabbitmq.sh
docker image ls | grep -q postgres || $(realpath $(dirname "${0}"))/postgres.sh

# Build Docker container
docker build -t pandora ${SOURCE_DIR}

# Create PostgreSQL user and database
export PANDORA_PWD=$(head -c 18 /dev/urandom | base64)
envsubst <${SOURCE_DIR}/createdb.sql | docker exec -i postgres psql

# Configure RabbitMQ
export PANDORA_RABBIT_PWD=$(head -c 18 /dev/urandom | base64 | tr -d "/")
docker exec rabbitmq rabbitmqctl add_user pandora ${PANDORA_RABBIT_PWD}
docker exec rabbitmq rabbitmqctl add_vhost /pandora
docker exec rabbitmq rabbitmqctl set_permissions -p /pandora pandora ".*" ".*" ".*"

# Configure Pandora
mkdir -p /srv/pandora/conf /srv/pandora/data
chown 8011:8011 /srv/pandora/data
cp ${SOURCE_DIR}/srv/pandora/conf/config.jsonc /srv/pandora/conf/config.jsonc
cp ${SOURCE_DIR}/srv/pandora/conf/gunicorn_config.py /srv/pandora/conf/gunicorn_config.py
envsubst <${SOURCE_DIR}/srv/pandora/conf/local_settings.py >/srv/pandora/conf/local_settings.py

# Set "production values" (increases performance) only if the DEBUG environment variable is not set
if [ ${DEBUG:-0} -eq 0 ]; then
    sed -i 's/DEBUG = True/DEBUG = False/' /srv/pandora/conf/local_settings.py
fi

# Populate database
docker run --rm -h pandora --link postgres -v /srv/pandora/conf:/srv/pandora/conf pandora /srv/pandora/pandora/manage.py migrate --noinput
docker run --rm -h pandora --link postgres -v /srv/pandora/conf:/srv/pandora/conf pandora /srv/pandora/pandora/manage.py sqlfindindex
docker run --rm -h pandora --link postgres -v /srv/pandora/conf:/srv/pandora/conf pandora /srv/pandora/pandora/manage.py sync_itemsort
docker run --rm -h pandora --link postgres -v /srv/pandora/conf:/srv/pandora/conf pandora /srv/pandora/pandora/manage.py sync_documentsort

# Create admin account
export PANDORA_ADMIN_USER=admin
export PANDORA_ADMIN_EMAIL=admin@example.com
export PANDORA_ADMIN_PWD=$(head -c 12 /dev/urandom | base64)
export PANDORA_ADMIN_HASH=$(docker run --rm -h pandora -e DJANGO_SETTINGS_MODULE=pandora.settings -v /srv/pandora/conf:/srv/pandora/conf pandora python3 -c "from django.contrib.auth.hashers import make_password; print(make_password('${PANDORA_ADMIN_PWD}'))")
envsubst <${SOURCE_DIR}/adminpwd.sql | docker exec -i postgres psql pandora

# Configure Pandora service
cp ${SOURCE_DIR}/etc/init.d/pandora /etc/init.d/pandora
rc-update add pandora boot
service pandora start

# Create nginx app definition
cp ${SOURCE_DIR}/etc/nginx/conf.d/pandora.conf /etc/nginx/conf.d/pandora.conf
service nginx reload

# Add portal application definition
portal-app-manager pandora "https://{host}:8411/" "${PANDORA_ADMIN_USER}" "${PANDORA_ADMIN_PWD}"