#!/usr/bin/env bash
#
# ownCloud
#
# This script start a docker container to test the files_external tests
# against. It will also change the files_external config to use the docker
# container as testing environment. This is reverted in the stop step.W
#
# Set environment variable DEBUG to print config file
#
# @author Morris Jobke
# @copyright 2015 Morris Jobke <hey@morrisjobke.de>
#

if ! command -v docker >/dev/null 2>&1; then
    echo "No docker executable found - skipped docker setup"
    exit 0;
fi

echo "Docker executable found - setup docker"

echo "Fetch recent morrisjobke/docker-proftpd docker image"
docker pull morrisjobke/docker-proftpd

# retrieve current folder to place the config in the parent folder
thisFolder=`echo $0 | sed 's#env/start-ftp-morrisjobke\.sh##'`

if [ -z "$thisFolder" ]; then
    thisFolder="."
fi;

user=test
password=12345

container=`docker run -d -e USERNAME=$user -e PASSWORD=$password morrisjobke/docker-proftpd`

host=`docker inspect $container | grep IPAddress | cut -d '"' -f 4`

cat > $thisFolder/config.ftp.php <<DELIM
<?php

return array(
    'run'=>true,
    'host'=>'$host',
    'user'=>'$user',
    'password'=>'$password',
    'root'=>'',
);

DELIM

echo "ftp container: $container"

# put container IDs into a file to drop them after the test run (keep in mind that multiple tests run in parallel on the same host)
echo $container >> $thisFolder/dockerContainerMorrisJobke.$EXECUTOR_NUMBER.ftp

echo -n "Waiting for ftp initialization"
starttime=$(date +%s)
# support for GNU netcat and BSD netcat
while ! (nc -c -w 1 ${host} 21 </dev/null >&/dev/null \
    || nc -w 1 ${host} 21 </dev/null >&/dev/null); do
    sleep 1
    echo -n '.'
    if (( $(date +%s) > starttime + 60 )); then
	echo
	echo "[ERROR] Waited 60 seconds, no response" >&2
	exit 1
    fi
done
echo
sleep 1

if [ -n "$DEBUG" ]; then
    cat $thisFolder/config.ftp.php
    cat $thisFolder/dockerContainerMorrisJobke.$EXECUTOR_NUMBER.ftp
fi