#!/bin/bash

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

# Install dependencies for GNU Health
apt-get -y --no-install-recommends install python3 python3-virtualenv virtualenv

# Donwload GNU Health
wget http://ftp.gnu.org/gnu/health/gnuhealth-3.2.8.tar.gz -O /tmp/gnuhealth.tgz
tar xzf /tmp/gnuhealth.tgz -C /srv
mv /srv/gnuhealth-3.2.8 /srv/gnuhealth
rm -f /tmp/gnuhealth.tgz

# Create Python virtualenv
virtualenv --system-site-packages -p /usr/bin/python3 /srv/gnuhealth
echo '. /srv/gnuhealth/bin/activate' >/srv/gnuhealth/.bash_profile

# Create database
export GNUHEALTH_PWD=$(head -c 18 /dev/urandom | base64 |  tr -d '/+=')
envsubst <${SOURCE_DIR}/gnuhealth/tmp/gnuhealth-createdb.sql >/tmp/gnuhealth-createdb.sql
sudo -u postgres psql -f /tmp/gnuhealth-createdb.sql
rm -f /tmp/gnuhealth-createdb.sql

# Create GNU Health OS user
adduser --system --group --home /srv/gnuhealth --shell /bin/bash gnuhealth
chown -R gnuhealth:gnuhealth /srv/gnuhealth

# Install GNU Health
sudo -u gnuhealth -i /srv/gnuhealth/gnuhealth-setup install

# Configure GNU Health
envsubst <${SOURCE_DIR}/gnuhealth/srv/gnuhealth/gnuhealth/tryton/server/config/trytond.conf >/srv/gnuhealth/gnuhealth/tryton/server/config/trytond.conf

# Populate database
export GNUHEALTH_ADMIN_PWD=$(head -c 12 /dev/urandom | base64)
echo ${GNUHEALTH_ADMIN_PWD} >/srv/gnuhealth/.adminpwd
sudo -u gnuhealth -i TRYTONPASSFILE=/srv/gnuhealth/.adminpwd /srv/gnuhealth/gnuhealth/tryton/server/trytond-4.2.7/bin/trytond-admin -d gnuhealth --all -v
rm -f /srv/gnuhealth/.adminpwd

# Configure GNU Health service
cp ${SOURCE_DIR}/gnuhealth/lib/systemd/system/gnuhealth.service /lib/systemd/system/gnuhealth.service
systemctl daemon-reload
systemctl enable gnuhealth
systemctl start gnuhealth

# Add portal application definition
${SOURCE_DIR}/basic/portal-app-manager.py gnuhealth "https://{host}:8006/" admin "${GNUHEALTH_ADMIN_PWD}"
${SOURCE_DIR}/basic/portal-app-manager.py gnuhealth-clients













# Add GNU Health + Tryton repository
echo "deb http://debian.tryton.org/debian/ stretch-3.8 main" > /etc/apt/sources.list.d/tryton.list
wget http://debian.tryton.org/debian/debian.tryton.org-archive.gpg -O - | apt-key add -
apt-get -y update

# Install GNU Health
apt-get -y --no-install-recommends install tryton-modules-health-all -t stretch-3.8

# Pin the Tryton repository packages
cat <<EOF >/etc/apt/preferences.d/debian.tryton.org.pref
Package: *
Pin: release o=debian.tryton.org
Pin-Priority: 999
EOF
# cp ${SOURCE_DIR}/gnuhealth/etc/apt/preferences.d/debian.tryton.org.pref /etc/apt/preferences.d/debian.tryton.org.pref

# Create database
export GNUHEALTH_PWD=$(head -c 18 /dev/urandom | base64 |  tr -d '/+=')
cat <<EOF >/tmp/gnuhealth-createdb.sql
CREATE ROLE gnuhealth NOSUPERUSER NOCREATEDB NOCREATEROLE NOINHERIT LOGIN ENCRYPTED PASSWORD '${GNUHEALTH_PWD}';
CREATE DATABASE gnuhealth;
REVOKE ALL ON DATABASE gnuhealth FROM public;
ALTER DATABASE gnuhealth OWNER TO gnuhealth;
EOF
# envsubst <${SOURCE_DIR}/gnuhealth/tmp/gnuhealth-createdb.sql >/tmp/gnuhealth-createdb.sql
sudo -u postgres psql -f /tmp/gnuhealth-createdb.sql
rm -f /tmp/gnuhealth-createdb.sql

# Configure GNU Health
envsubst <${SOURCE_DIR}/gnuhealth/etc/tryton/trytond.conf >/etc/tryton/trytond.conf

# Populate database
sudo -u tryton trytond -c /etc/tryton/trytond.conf -d gnuhealth --all -v



systemctl restart tryton-server.service