#!/bin/bash
# ************************************************************************* 
# Copyright (c) 2014-2015, SUSE LLC
# 
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 
# 3. Neither the name of SUSE LLC nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ************************************************************************* 
#
# App::Dochazka::REST server executable
#
# -------------------------------------------------------------------------

# function definitions

function display_help {
    echo "dochazka-rest is a bash script whose job is to start";
    echo "the App::Dochazka::REST server";
    echo;
    echo "It takes the following command-line options:";
    echo "  -h --help      Displays this text";
    echo "  -v --version   Display App::Dochazka::REST version number";
    echo;
    echo "dochazka-rest is a wrapper for the mrest script from the";
    echo "Web::MREST distro. If you need to pass options to that";
    echo "script, put them on the end preceded by '--'";
    echo;
    echo "In the following example, the -c option will be passed to mrest:";
    echo;
    echo "    $ dochazka-rest -- -c";
    echo;
    exit 0;
}

function display_version {
    version=$(perl -e 'use App::Dochazka::REST; print $App::Dochazka::REST::VERSION;');
    echo "App::Dochazka::REST $version";
    exit 0;
}

function demo_echo {
    # takes a parameter and echoes it back
    echo $1;
}

# process command-line options

# Note that we use `"$@"' to let each command-line parameter expand to a
# separate word. The quotes around `$@' are essential!
# We need TEMP as the `eval set --' would nuke the return value of getopt.
TEMP=`getopt -o e:hv --long echo:,help,version \
     -n 'dochakza-rest' -- "$@"`

if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi

# Note the quotes around `$TEMP': they are essential!
eval set -- "$TEMP"

while true ; do
	case "$1" in
                -e|--echo) demo_echo $2 ; shift 2 ;;
		-h|--help) display_help ; shift ;;
                -i|--initialize) dochazka-dbinit ; shift ;;
		-v|--version) display_version ; shift ;;
		--) shift ; break ;;
		*) echo "Internal error!" ; exit 1 ;;
	esac
done

if [[ $@ ]] ; then
    echo "Passing to mrest:"
    for arg do echo '--> '"\`$arg'" ; done
fi

mrest --distro App-Dochazka-REST --module App::Dochazka::REST::Dispatch --sitedir /etc/dochazka-rest "$@"
