#!/bin/bash

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

# Add Pandora repository
echo "deb http://ppa.launchpad.net/j/pandora/ubuntu zesty main" > /etc/apt/sources.list.d/pandora.list
apt-key add ${SOURCE_DIR}/pandora.gpg
apt-get -y update

# Install packages
apt-get -y --no-install-recommends install ffmpeg ghostscript gpac imagemagick mkvtoolnix oxframe poppler-utils python-ox python3-html5lib python3-lxml python3-numpy python3-ox python3-pil python3-pip python3-psycopg2 python3-pyinotify python3-setuptools python3-simplejson python3-virtualenv rabbitmq-server virtualenv youtube-dl

# Clone Pandora git repositories
git clone --depth 1 https://git.0x2620.org/pandora.git /srv/pandora
git clone --depth 1 https://git.0x2620.org/oxjs.git /srv/pandora/static/oxjs
git clone --depth 1 https://git.0x2620.org/oxtimelines.git /srv/pandora/src/oxtimelines

# Copy Czech translataion
cp ${SOURCE_DIR}/srv/pandora/static/json/locale.0xdb.cs.json /srv/pandora/static/json/locale.0xdb.cs.json
cp ${SOURCE_DIR}/srv/pandora/static/json/locale.pandora.cs.json /srv/pandora/static/json/locale.pandora.cs.json
cp ${SOURCE_DIR}/srv/pandora/static/oxjs/source/Ox/js/Constants.js /srv/pandora/static/oxjs/source/Ox/js/Constants.js
cp ${SOURCE_DIR}/srv/pandora/static/oxjs/source/Ox/json/locale.cs.json /srv/pandora/static/oxjs/source/Ox/json/locale.cs.json
cp ${SOURCE_DIR}/srv/pandora/static/oxjs/source/UI/json/locale.cs.json /srv/pandora/static/oxjs/source/UI/json/locale.cs.json

# Create Python virtualenv
virtualenv --system-site-packages -p /usr/bin/python3 /srv/pandora
/srv/pandora/bin/pip install -e /srv/pandora/src/oxtimelines
/srv/pandora/bin/pip install -r /srv/pandora/requirements.txt

# Create PostgreSQL user and database
export PANDORA_PWD=$(head -c 18 /dev/urandom | base64)
envsubst <${SOURCE_DIR}/tmp/pandora-createdb.sql >/tmp/pandora-createdb.sql
sudo -u postgres psql -f /tmp/pandora-createdb.sql
rm -f /tmp/pandora-createdb.sql

# Configure RabbitMQ
export PANDORA_RABBIT_PWD=$(head -c 18 /dev/urandom | base64 | tr -d "/")
export PANDORA_BROKER_URL="amqp://pandora:${PANDORA_RABBIT_PWD}@localhost:5672//pandora"
rabbitmqctl add_user pandora ${PANDORA_RABBIT_PWD}
rabbitmqctl add_vhost /pandora
rabbitmqctl set_permissions -p /pandora pandora ".*" ".*" ".*"

# Configure Pandora
mkdir /srv/pandora/data
cp ${SOURCE_DIR}/srv/pandora/pandora/config.jsonc /srv/pandora/pandora/config.jsonc
cp /srv/pandora/pandora/gunicorn_config.py.in /srv/pandora/pandora/gunicorn_config.py
envsubst <${SOURCE_DIR}/srv/pandora/pandora/local_settings.py >/srv/pandora/pandora/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/pandora/local_settings.py
fi

# Create Pandora OS user
adduser --system --group --home /srv/pandora --shell /bin/false pandora
chown -R pandora:pandora /srv/pandora

# Populate database
sudo -u pandora /srv/pandora/pandora/manage.py init_db

# Create admin account
export PANDORA_ADMIN_USER=admin
export PANDORA_ADMIN_EMAIL=admin@example.com
export PANDORA_ADMIN_PWD=$(head -c 12 /dev/urandom | base64)
export PANDORA_ADMIN_HASH=$(cd /srv/pandora && DJANGO_SETTINGS_MODULE=pandora.settings /srv/pandora/bin/python -c "from django.contrib.auth.hashers import make_password; print(make_password('${PANDORA_ADMIN_PWD}'))")
envsubst <${SOURCE_DIR}/tmp/pandora-adminpwd.sql >/tmp/pandora-adminpwd.sql
sudo -u postgres psql -f /tmp/pandora-adminpwd.sql pandora
rm -f /tmp/pandora-adminpwd.sql

# Create nginx site definition
cp ${SOURCE_DIR}/etc/nginx/sites-available/pandora /etc/nginx/sites-available/pandora
ln -s /etc/nginx/sites-available/pandora /etc/nginx/sites-enabled/pandora

# Install and start services
/srv/pandora/ctl install
/srv/pandora/ctl start
systemctl restart nginx

# Add portal application definition
portal-app-manager pandora "https://{host}:8001/" "${PANDORA_ADMIN_USER}" "${PANDORA_ADMIN_PWD}"