# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI="5"

inherit rpm versionator multilib

MY_PV="$(get_version_component_range 1-3)"
MY_PVR="$(replace_version_separator 3 -)"

DESCRIPTION="Epson Perfection V500 scanner plugin for SANE 'epkowa' backend."
HOMEPAGE="http://download.ebz.epson.net/dsc/du/02/DriverDownloadInfo.do?LG2=EN&CN2=&DSCMI=15838&DSCCHK=105678c39feae9e43434531f4eb90b8de839d51c"
SRC_URI="x86? ( ${PN}-${MY_PVR}.i386.rpm )
	amd64? ( ${PN}-${MY_PVR}.x86_64.rpm )"

LICENSE="AVASYS"
SLOT="0"
KEYWORDS="-* ~amd64 ~x86"

IUSE=""

DEPEND=">=media-gfx/iscan-2.21.0
	!!<media-gfx/iscan-plugin-gt-x770-2.1.2.1-r2"
RDEPEND="${DEPEND}"

S="${WORKDIR}"

RESTRICT="fetch"

QA_PREBUILT="
	/opt/iscan/esci/libesint7C.so.2.0.1
	/opt/iscan/esci/libesint7C.so.2
	/opt/iscan/esci/libesint7C.so"

pkg_nofetch() {
	local mypackagename
	if use amd64; then
		mypackagename="${PN}-${MY_PVR}.x86_64.rpm"
	else
		mypackagename="${PN}-${MY_PVR}.i386.rpm"
	fi
	einfo "Please visit http://download.ebz.epson.net/dsc/du/02/DriverDownloadInfo.do?LG2=EN&CN2=&DSCMI=15838&DSCCHK=105678c39feae9e43434531f4eb90b8de839d51c"
	einfo "and obtain the file \"${mypackagename}\", and put it in ${DISTDIR}"
}

src_configure() { :; }
src_compile() { :; }

src_install() {
	# install scanner firmware
	insinto /usr/share/iscan
	doins "${WORKDIR}/usr/share/iscan/"*

	dodoc usr/share/doc/*/*

	# install scanner plugins
	exeinto /opt/iscan/esci
	doexe "${WORKDIR}/usr/$(get_libdir)/iscan/"*
}

pkg_setup() {
	basecmds=(
		"iscan-registry --COMMAND interpreter usb 0x04b8 0x0130 /opt/iscan/esci/libesint7C /usr/share/iscan/esfw7C.bin"
	)
}

pkg_postinst() {
	elog
	elog "Firmware file esfw41.bin for Epson Perfection V500"
	elog "has been installed in /usr/share/iscan."
	elog

	[[ -n ${REPLACING_VERSIONS} ]] && return

	# Needed for scanner to work properly.
	if [[ ${ROOT} == "/" ]]; then
		for basecmd in "${basecmds[@]}"; do
			eval ${basecmd/COMMAND/add}
		done
	else
		ewarn "Unable to register the plugin and firmware when installing outside of /."
		ewarn "execute the following command yourself:"
		for basecmd in "${basecmds[@]}"; do
			ewarn "${basecmd/COMMAND/add}"
		done
	fi
}

pkg_prerm() {
	[[ -n ${REPLACED_BY_VERSION} ]] && return

	if [[ ${ROOT} == "/" ]]; then
		for basecmd in "${basecmds[@]}"; do
			eval ${basecmd/COMMAND/remove}
		done
	else
		ewarn "Unable to de-register the plugin and firmware when installing outside of /."
		ewarn "execute the following command yourself:"
		for basecmd in "${basecmds[@]}"; do
			ewarn "${basecmd/COMMAND/remove}"
		done
	fi
}