#!/bin/sh

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

# Check prerequisites
docker image ls | grep -q ckandp || $(realpath $(dirname "${0}"))/ckandp.sh
docker image ls | grep -q postfix || $(realpath $(dirname "${0}"))/postfix.sh
docker image ls | grep -q postgres || $(realpath $(dirname "${0}"))/postgres.sh
docker image ls | grep -q redis || $(realpath $(dirname "${0}"))/redis.sh
docker image ls | grep -q solr || $(realpath $(dirname "${0}"))/solr.sh
service postgres start
service redis start
service solr start

# Build Docker container
docker build -t ckan ${SOURCE_DIR}
cp ${SOURCE_DIR}/etc/init.d/ckan /etc/init.d/ckan
rc-update -u

# Create database
export CKAN_PWD=$(head -c 18 /dev/urandom | base64)
export CKAN_DS_PWD=$(head -c 18 /dev/urandom | base64)
envsubst <${SOURCE_DIR}/createdb.sql | docker exec -i postgres psql

# Configure CKAN Solr core
docker exec solr solr create -p 8983 -c ckan
cp ${SOURCE_DIR}/srv/solr/data/ckan/conf/schema.xml /srv/solr/data/ckan/conf/schema.xml
cp ${SOURCE_DIR}/srv/solr/data/ckan/conf/solrconfig.xml /srv/solr/data/ckan/conf/solrconfig.xml
chown 8983:8983 /srv/solr/data/ckan/conf/schema.xml
service solr restart

# Configure CKAN
mkdir -p /srv/ckan/conf /srv/ckan/data
chown -R 8003:8003 /srv/ckan/data
export CKAN_SECRET=$(head -c 18 /dev/urandom | base64)
export CKAN_UUID=$(cat /proc/sys/kernel/random/uuid)
envsubst <${SOURCE_DIR}/srv/ckan/conf/ckan.ini >/srv/ckan/conf/ckan.ini
cp ${SOURCE_DIR}/srv/ckan/conf/who.ini /srv/ckan/conf/who.ini
cp ${SOURCE_DIR}/srv/ckan/update-url.sh /srv/ckan/update-url.sh

# Set "production values" (increases performance) only if the DEBUG environment variable is not set
if [ ${DEBUG:-0} -eq 0 ]; then
    sed -i 's/debug = true/debug = false/' /srv/ckan/conf/ckan.ini
fi

# Populate database
docker run --rm -h ckan --link postgres --link redis --link solr -v /srv/ckan/conf:/etc/ckan -v /srv/ckan/data:/srv/ckan/storage ckan paster --plugin=ckan db init -c /etc/ckan/ckan.ini
docker run --rm -h ckan --link postgres --link redis --link solr -v /srv/ckan/conf:/etc/ckan -v /srv/ckan/data:/srv/ckan/storage ckan paster --plugin=ckanext-spatial spatial initdb -c /etc/ckan/ckan.ini
docker run --rm -h ckan --link postgres --link redis --link solr -v /srv/ckan/conf:/etc/ckan -v /srv/ckan/data:/srv/ckan/storage ckan paster --plugin=ckan datastore set-permissions -c /etc/ckan/ckan.ini | docker exec -i postgres psql

# Create admin account
export CKAN_ADMIN_USER="admin"
export CKAN_ADMIN_UUID=$(cat /proc/sys/kernel/random/uuid)
export CKAN_ADMIN_APIKEY=$(cat /proc/sys/kernel/random/uuid)
export CKAN_ADMIN_PWD=$(head -c 12 /dev/urandom | base64)
export CKAN_ADMIN_HASH=$(docker run --rm ckan python -c "from passlib.hash import pbkdf2_sha512;print pbkdf2_sha512.encrypt('${CKAN_ADMIN_PWD}')")
export CKAN_ADMIN_EMAIL="admin@example.com"
envsubst <${SOURCE_DIR}/adminpwd.sql | docker exec -i postgres psql ckan
spotter-appmgr update-login ckan "${CKAN_ADMIN_USER}" "${CKAN_ADMIN_PWD}"

# Install cron job
cp ${SOURCE_DIR}/etc/periodic/hourly/ckan /etc/periodic/hourly/ckan