#!/bin/bash

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

# 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/pandora.gpg

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

# Clone 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
git clone --depth 1 https://git.0x2620.org/python-ox.git /srv/pandora/src/python-ox

# Create python virtualenv
virtualenv --system-site-packages -p /usr/bin/python3 /srv/pandora
cd /srv/pandora/src/oxtimelines && /srv/pandora/bin/python setup.py develop
cd /srv/pandora/src/python-ox && /srv/pandora/bin/python setup.py develop
/srv/pandora/bin/pip install -r /srv/pandora/requirements.txt

# Create PostgreSQL user and database
export PANDORA_PWD=$(head -c 260 /dev/urandom | tr -cd '[:alnum:]' | head -c 26)
envsubst <${SOURCE_DIR}/pandora/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 260 /dev/urandom | tr -cd '[:alnum:]' | head -c 26)
rabbitmqctl add_user pandora ${PANDORA_RABBIT_PWD}
rabbitmqctl add_vhost /pandora
rabbitmqctl set_permissions -p /pandora pandora ".*" ".*" ".*"
export PANDORA_BROKER_URL="amqp://pandora:${PANDORA_RABBIT_PWD}@localhost:5672//pandora"

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

# Create 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

# Install systemd services
cp /srv/pandora/etc/systemd/system/*.service /etc/systemd/system/
cp /srv/pandora/etc/tmpfiles.d/pandora.conf /etc/tmpfiles.d/
systemd-tmpfiles --create /etc/tmpfiles.d/pandora.conf
systemctl daemon-reload

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

# Start services
for SERVICE in "pandora pandora-tasks pandora-encoding pandora-cron pandora-websocketd"; do
    systemctl enable ${SERVICE}
    systemctl start ${SERVICE}
done
systemctl restart nginx