#!/bin/sh
set -ev

# Create Postgres instance
mkdir -p /srv/sambro/postgres_data
chown -R 105432:105432 /srv/sambro/postgres_data
chmod 700 /srv/sambro/postgres_data
lxc-execute -n sambro-postgres -- initdb -D /var/lib/postgresql

# Configure Postgres
cp postgres_data/postgresql.conf /srv/sambro/postgres_data/postgresql.conf
cp postgres_data/pg_hba.conf /srv/sambro/postgres_data/pg_hba.conf

# Create PostgreSQL user and database
export SAMBRO_PWD=$(head -c 18 /dev/urandom | base64 | tr -d '+/=')
service sambro-postgres start
envsubst <createdb.sql | lxc-attach -u 5432 -g 5432 sambro-postgres -- psql

# Prepare persistent directory structure
mkdir -p /srv/sambro/sahana_conf /srv/sambro/sahana_data/databases /srv/sambro/sahana_data/uploads /srv/sambro/sahana_data/SAMBRO
chown -R 108080:108080 /srv/sambro/sahana_conf /srv/sambro/sahana_data
lxc-execute sambro -- tar -cC /srv/web2py/applications/eden/models . | tar -xC /srv/sambro/sahana_conf
lxc-execute sambro -- tar -cC /srv/web2py/applications/eden/modules/templates/SAMBRO . | tar -xC /srv/sambro/sahana_data/SAMBRO

# Configure SAMBRO
export SAMBRO_HMAC=$(head -c 18 /dev/urandom | base64 | tr -d '+/=')
export SAMBRO_ADMIN_USER=admin@example.com
export SAMBRO_ADMIN_PWD=$(head -c 12 /dev/urandom | base64 | tr -d '+/=')
envsubst <sahana_conf/000_config.py >/srv/sambro/sahana_conf/000_config.py
# TODO:
#mkdir -p /var/lib/lxc/sambro/sambro/srv/web2py/applications/eden/modules/templates/default/users
#envsubst <masterUsers.csv >/var/lib/lxc/sambro/sambro/srv/web2py/applications/eden/modules/templates/default/users/masterUsers.csv
#chown -R 8080:8080 /var/lib/lxc/sambro/sambro/srv/web2py
cp sahana_conf/00_settings.py /srv/sambro/sahana_conf/00_settings.py
cp sahana_data/SAMBRO/config.py /srv/sambro/sahana_data/SAMBRO/config.py
chown -R 108080:108080 /srv/sambro/sahana_conf /srv/sambro/sahana_data

# Populate database
lxc-execute -u 8080 -g 8080 sambro -- sh -c 'cd /srv/web2py; ./web2py.py -S eden -M -R applications/eden/static/scripts/tools/noop.py'

# Set "production values" (increases performance) only if the DEBUG environment variable is not set
if [ ${DEBUG:-0} -eq 0 ]; then
    sed -i 's/settings.base.migrate = True/settings.base.migrate = False/' /srv/sambro/conf/000_config.py
    sed -i 's/settings.base.debug = True/settings.base.debug = False/' /srv/sambro/conf/000_config.py
    sed -i 's/#settings.base.prepopulate = 0/settings.base.prepopulate = 0/' /srv/sambro/conf/000_config.py
fi

# Install config update script
cp update-conf.sh /srv/sambro/update-conf.sh

# Stop services required for setup
service sambro-postgres stop

# Register application
vmmgr register-app sambro sambro "${SAMBRO_ADMIN_USER}" "${SAMBRO_ADMIN_PWD}"