# Copyright 2016 Julian Ospald <hasufell@posteo.de>
# Distributed under the terms of the GNU General Public License v2

require cmake [ api=2 ] openrc-service [ openrc_initd_files=[ "${TEMP}/hiawatha" ] ]
require systemd-service [ systemd_files=[ "${CMAKE_SOURCE}/extra/debian/hiawatha.service" ] ]

SUMMARY="Advanced and secure webserver"
HOMEPAGE="http://www.hiawatha-webserver.org"
DOWNLOADS="http://www.hiawatha-webserver.org/files/${PNV}.tar.gz"

LICENCES="GPL-2"
SLOT="0"
PLATFORMS="~amd64 ~x86"
MYOPTIONS="
    cache [[ description = [ Enable caching of content ] ]]
    ipv6
    monitor [[ description = [ Enabling monitoring support  ] ]]
    rewrite [[ description = [ Enable the rewrite toolkit ] ]]
    rproxy [[ description = [ Enable reverse proxy support ] ]]
    ssl [[ description = [ Enable TLS support via mbedtls ] ]]
    tomahawk [[ description = [ Enable Tomahawk control server ] ]]
    v2 [[ description = [ HTTP v2 support ] ]]
    xslt [[ description = [ Enable XSLT support.
                            This is also needed for directory listings ] ]]
"

DEPENDENCIES="
    build+run:
        sys-libs/zlib
        ssl? ( dev-libs/mbedtls[threads] )
        xslt? (
            dev-libs/libxslt
            dev-libs/libxml2:2.0
        )
    run:
        group/hiawatha
        user/hiawatha
        monitor? ( www-apps/hiawatha-monitor )
"

HIAWATHA_CONFIG_DIR="/etc/hiawatha"
HIAWATHA_LOG_DIR="/var/log/hiawatha"
HIAWATHA_PID_DIR="/run"
HIAWATHA_WEBROOT_DIR="/var/www/hiawatha"
HIAWATHA_WORK_DIR="/var/lib/hiawatha"
HIAWATHA_USER="hiawatha"
HIAWATHA_GROUP="hiawatha"

DEFAULT_SRC_PREPARE_PATCHES=( "${FILES}"/${PNV}-cflags.patch )

CMAKE_SRC_CONFIGURE_PARAMS=(
    -DCONFIG_DIR:STRING="${HIAWATHA_CONFIG_DIR}"
    -DLOG_DIR:STRING="${HIAWATHA_LOG_DIR}"
    -DPID_DIR:STRING="${HIAWATHA_PID_DIR}"
    -DWEBROOT_DIR:STRING="${HIAWATHA_WEBROOT_DIR}"
    -DWORK_DIR:STRING="${HIAWATHA_WORK_DIR}"
    -DENABLE_LOADCHECK=YES
    -DCMAKE_INSTALL_SBINDIR="/usr/$(exhost --target)/bin"
)

CMAKE_SRC_CONFIGURE_TESTS=(
    'cache    ENABLE_CACHE'
    'ipv6     ENABLE_IPV6'
    'monitor  ENABLE_MONITOR'
    'rprocy   ENABLE_RPROXY'
    'ssl      ENABLE_TLS'
    'tomahawk ENABLE_TOMAHAWK'
    'rewrite  ENABLE_TOOLKIT'
    'xslt     ENABLE_XSLT'
    'ssl      USE_SYSTEM_MBEDTLS'
)

hiawatha_option() {
    local hoption=$2

    if optionq "${1}" ; then
        edo sed -i \
                -e "/#define ${hoption}/s|/\* \(.*\) \*/|\1|" \
                "${CMAKE_SOURCE}"/config.h.in
    else
        edo sed -i \
                -e "/#define ${hoption}/d" \
                "${CMAKE_SOURCE}"/config.h.in
    fi
}

src_prepare() {
    hiawatha_option v2 ENABLE_HTTP2

    cmake_src_prepare

    edo grep -E "^#ServerId =.*$" "config/hiawatha.conf.in" 1>/dev/null
    edo sed -r -i -e "s|^#ServerId =.*$|ServerId = hiawatha|" \
        config/hiawatha.conf.in

    edo grep -E "@HIAWATHA_PID_DIR@" "${FILES}/hiawatha.initd" 1>/dev/null
    edo sed -r -e "s|@HIAWATHA_PID_DIR@|${HIAWATHA_PID_DIR}|" \
        "${FILES}/hiawatha.initd" > "${TEMP}/hiawatha"
}

src_install() {
    cmake_src_install

    edo rm -r "${IMAGE%/}${HIAWATHA_WEBROOT_DIR}"/*

    install_systemd_files
    install_openrc_files

    local i
    for i in "${HIAWATHA_LOG_DIR}" "${HIAWATHA_WORK_DIR}" ; do
        keepdir "${i}"
        edo chown ${HIAWATHA_USER}:${HIAWATHA_GROUP} "${IMAGE%/}${i}"
        edo chmod 0750 "${IMAGE%/}${i}"
    done

    # hiawatha creates empty /run dir
    edo rm -r "${IMAGE%/}/run"

    keepdir "${HIAWATHA_WEBROOT_DIR}"
    edo chown ${HIAWATHA_USER}:${HIAWATHA_GROUP} \
        "${IMAGE%/}${HIAWATHA_WEBROOT_DIR}"
}