#!/bin/sh
set -e

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

# Check prerequisites
# TODO: Have setup prereqs in a manifest file
for SERVICE in postgres; do
    [ ! -e /run/openrc/started/${SERVICE} ] && service ${SERVICE} start && STOP_SERVICES="${STOP_SERVICES} ${SERVICE}"
done

# Create database
export CRISISCLEANUP_PWD=$(head -c 18 /dev/urandom | base64)
envsubst <${SOURCE_DIR}/createdb.sql | lxc-attach -u 5432 -g 5432 postgres -- psql

# Copy existing config files into persistent storage
mkdir -p /srv/crisiscleanup/conf
chown 8005:8005 /srv/crisiscleanup/conf
cp -r /var/lib/lxc/crisiscleanup/crisiscleanup/srv/crisiscleanup/config/. /srv/crisiscleanup/conf

# Configure CrisisCleanup
export CRISISCLEANUP_ADMIN_USER="Admin"
export CRISISCLEANUP_ADMIN_EMAIL="admin@example.com"
export CRISISCLEANUP_ADMIN_PWD=$(head -c 12 /dev/urandom | base64)
envsubst <${SOURCE_DIR}/srv/crisiscleanup/conf/database.yml >/srv/crisiscleanup/conf/database.yml
cp ${SOURCE_DIR}/srv/crisiscleanup/conf/boot.rb /srv/crisiscleanup/conf/boot.rb
cp ${SOURCE_DIR}/srv/crisiscleanup/conf/initializers/devise.rb /srv/crisiscleanup/conf/initializers/devise.rb
cp ${SOURCE_DIR}/srv/crisiscleanup/conf/environments/production.rb /srv/crisiscleanup/conf/environments/production.rb
vmmgr update-login crisiscleanup "${CRISISCLEANUP_ADMIN_EMAIL}" "${CRISISCLEANUP_ADMIN_PWD}"

# Populate database
envsubst <${SOURCE_DIR}/srv/crisiscleanup/db/seeds.rb >/var/lib/lxc/crisiscleanup/crisiscleanup/tmp/seeds.rb
lxc-execute crisiscleanup -- rake db:schema:load
lxc-execute crisiscleanup -- rake db:seed
rm /var/lib/lxc/crisiscleanup/crisiscleanup/tmp/seeds.rb

# Install service
cp ${SOURCE_DIR}/etc/init.d/crisiscleanup /etc/init.d/crisiscleanup
rc-update -u

# Stop services required for setup
for SERVICE in ${STOP_SERVICES}; do
    service ${SERVICE} stop
done