##
##  nats-websocket-gw.spec -- OpenPKG RPM Package Specification
##  Copyright (c) 2000-2025 OpenPKG Project <http://openpkg.org/>
##
##  Permission to use, copy, modify, and distribute this software for
##  any purpose with or without fee is hereby granted, provided that
##  the above copyright notice and this permission notice appear in all
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##
##  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
##  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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##  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
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##

#   package information
Name:         nats-websocket-gw
Summary:      NATS Websocket Gateway
URL:          https://github.com/orus-io/nats-websocket-gw
Vendor:       ORUS.io
Packager:     OpenPKG Project
Distribution: OpenPKG Community
Class:        EVAL
Group:        Networking
License:      MIT
Version:      20191001
Release:      20191001

#   list of sources
Source0:      http://download.openpkg.org/components/versioned/nats/nats-websocket-gw-%{version}.tar.xz
Source1:      rc.nats-websocket-gw

#   build information
BuildPreReq:  OpenPKG, openpkg >= 20160101, go
PreReq:       OpenPKG, openpkg >= 20160101, nats-server

%description
    This is a gateway between HTTP/WebSocket and NATS. Each NATS command
    is sent as a separate WebSocket message to NATS. It is intended to
    be used with "websocket-nats", an in-browser client for NATS.

%track
    prog nats-websocket-gw = {
        version   = %{version}
        url       = http://download.openpkg.org/components/versioned/nats/
        regex     = nats-websocket-gw-(__VER__)\.tar\.xz
    }

%prep
    %setup -q -n nats-websocket-gw

%build
    #   build program
    (   export GOPATH=`pwd`
        cd $GOPATH/src/github.com/orus-io/nats-websocket-gw
        go build -v -o nats-websocket-gw cmd/nats-websocket-gw/*.go
    ) || exit $?

%install
    #   create directory hierarchy
    %{l_shtool} mkdir -f -p -m 755 \
        $RPM_BUILD_ROOT%{l_prefix}/bin \
        $RPM_BUILD_ROOT%{l_prefix}/sbin \
        $RPM_BUILD_ROOT%{l_prefix}/etc/rc.d \
        $RPM_BUILD_ROOT%{l_prefix}/etc/nats-websocket-gw \
        $RPM_BUILD_ROOT%{l_prefix}/var/nats-websocket-gw/run \
        $RPM_BUILD_ROOT%{l_prefix}/var/nats-websocket-gw/log

    #   install program
    %{l_shtool} install -c -s -m 755 \
        src/github.com/orus-io/nats-websocket-gw/nats-websocket-gw \
        $RPM_BUILD_ROOT%{l_prefix}/sbin/nats-websocket-gw

    #   install run-command script
    %{l_shtool} install -c -m 755 %{l_value -s -a} \
        %{SOURCE rc.nats-websocket-gw} $RPM_BUILD_ROOT%{l_prefix}/etc/rc.d/

    #   determine installation files
    %{l_rpmtool} files -v -ofiles -r$RPM_BUILD_ROOT \
        %{l_files_std} \
        '%config %{l_prefix}/etc/nats-websocket-gw/*' \
        '%attr(-,%{l_rusr},%{l_rgrp}) %{l_prefix}/var/nats-websocket-gw/*'

%files -f files

%clean

%post
    if [ $1 -eq 2 ]; then
        #   after upgrade, restart service
        eval `%{l_rc} nats-websocket-gw status 2>/dev/null`
        [ ".$nats_websocket-gw_active" = .yes ] && %{l_rc} nats-websocket-gw restart
    fi
    exit 0

%preun
    if [ $1 -eq 0 ]; then
        #   before erase, stop service and remove log files
        %{l_rc} nats-websocket-gw stop 2>/dev/null
        rm -rf $RPM_INSTALL_PREFIX/var/nats-websocket-gw/log/* >/dev/null 2>&1 || true
        rm -rf $RPM_INSTALL_PREFIX/var/nats-websocket-gw/run/* >/dev/null 2>&1 || true
    fi
    exit 0

