#!/bin/sh
set -ev

# Volumes
POSTGRES_DATA="${VOLUMES_DIR}/sahana/postgres_data"
SAHANA_DATA="${VOLUMES_DIR}/sahana/sahana_data"
SAHANA_CONF="${VOLUMES_DIR}/sahana/sahana_conf"

# Create Postgres instance
install -o 105432 -g 105432 -m 700 -d ${POSTGRES_DATA}
spoc-container exec sahana-postgres -- initdb -D /var/lib/postgresql

# Configure Postgres
install -o 105432 -g 105432 -m 600 postgres_data/postgresql.conf ${POSTGRES_DATA}/postgresql.conf
install -o 105432 -g 105432 -m 600 postgres_data/pg_hba.conf ${POSTGRES_DATA}/pg_hba.conf

# Create PostgreSQL user and database
export SAHANA_PWD=$(head -c 18 /dev/urandom | base64 | tr -d '+/=')
spoc-container start sahana-postgres
envsubst <createdb.sql | spoc-container exec sahana-postgres -- psql

# Prepare persistent directory structure
install -o 108080 -g 108080 -m 750 -d ${SAHANA_DATA}/databases
install -o 108080 -g 108080 -m 750 -d ${SAHANA_DATA}/uploads
cp -rp ${LAYERS_DIR}/sahana_0.0.1-200313/srv/web2py/applications/eden/models ${SAHANA_CONF}

# Copy Spotter template
cp -r sahana_data/Spotter ${SAHANA_DATA}/Spotter
chown -R 108080:108080 ${SAHANA_DATA}/Spotter

# Configure Sahana
export SAHANA_HMAC=$(head -c 18 /dev/urandom | base64 | tr -d '+/=')
export SAHANA_ADMIN_USER=admin@example.com
export SAHANA_ADMIN_PWD=$(head -c 12 /dev/urandom | base64 | tr -d '+/=')
envsubst <sahana_conf/000_config.py | install -o 108080 -g 108080 -m 640 /dev/stdin ${SAHANA_CONF}/000_config.py
envsubst <sahana_data/Spotter/masterUsers.csv | install -o 108080 -g 108080 -m 640 /dev/stdin ${SAHANA_DATA}/Spotter/masterUsers.csv
install -o 108080 -g 108080 -m 640 sahana_conf/00_settings.py ${SAHANA_CONF}/00_settings.py

# Populate database
spoc-container exec -u sahana sahana -- 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/' ${SAHANA_CONF}/000_config.py
    sed -i 's/settings.base.debug = True/settings.base.debug = False/' ${SAHANA_CONF}/000_config.py
    sed -i 's/#settings.base.prepopulate = 0/settings.base.prepopulate = 0/' ${SAHANA_CONF}/000_config.py
fi

# Stop services required for setup
spoc-container stop sahana-postgres

# Register application
vmmgr register-app sahana sahana "${SAHANA_ADMIN_USER}" "${SAHANA_ADMIN_PWD}"