#!/usr/bin/with-contenv bash

if [ -f "/opt/couchdb/data/.init_complete" ]; then
    echo "Couchdb initialization has already completed, skipping"
else
    # start couchdb as a background process (store PID)
    echo "Couchdb initialization: start couchdb in background mode (non-standard port)"
    # https://linux.die.net/man/1/couchdb
    sed -i -e 's/;port = 5984/port = 5432/g' /opt/couchdb/etc/local.ini
    sed -i -e 's/bind_address = 0.0.0.0/bind_address = 127.0.0.1/g' /opt/couchdb/etc/local.ini
    /opt/couchdb/bin/couchdb -b &
    COUCHDB_PID=$!

    # wait for couchdb to be ready
    until $(curl --output /dev/null --silent --head --fail http://127.0.0.1:5432/_up); do echo "couchdb not ready" && sleep 5; done

    # create couch_peruser required system databases manually on startup
    echo "couchdb ready, start creating system databases"
    curl --fail -X PUT -u ${FASTEN_COUCHDB_ADMIN_USERNAME}:${FASTEN_COUCHDB_ADMIN_PASSWORD} http://127.0.0.1:5432/_users
    curl --fail -X PUT -u ${FASTEN_COUCHDB_ADMIN_USERNAME}:${FASTEN_COUCHDB_ADMIN_PASSWORD} http://127.0.0.1:5432/_replicator
    curl --fail -X PUT -u ${FASTEN_COUCHDB_ADMIN_USERNAME}:${FASTEN_COUCHDB_ADMIN_PASSWORD} http://127.0.0.1:5432/_global_changes
    echo "system databases created successfully"

    # gracefully stop couchdb process
    echo "killing couchdb process"
     /opt/couchdb/bin/couchdb -k

    sed -i -e 's/port = 5432/;port = 5984/g' /opt/couchdb/etc/local.ini
    sed -i -e 's/bind_address = 127.0.0.1/bind_address = 0.0.0.0/g' /opt/couchdb/etc/local.ini

    # create the init complete flag
    echo "Couchdb initialization: complete"
    touch /opt/couchdb/data/.init_complete

fi