# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header:  $

inherit eutils java-pkg-2 versionator multilib toolchain-funcs

MY_PN="OpenFOAM"
MY_PV=$(get_version_component_range 1-3 ${PV})
MY_P="${MY_PN}-${MY_PV}"

DESCRIPTION="Open Field Operation and Manipulation - CFD Simulation Toolbox"
HOMEPAGE="http://www.opencfd.co.uk/openfoam/"
SRC_URI="mirror://sourceforge/foam/${MY_P}.General.gtgz
	x86? ( mirror://sourceforge/foam/${MY_P}.linuxGccDPOpt.gtgz )
	amd64? ( mirror://sourceforge/foam/${MY_P}.linux64GccDPOpt.gtgz )"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="-* ~amd64 ~x86"
IUSE="examples lam mpich parafoam"

RDEPEND="!sci-libs/openfoam
	dev-java/sun-java3d-bin
	net-misc/openssh
	net-misc/mico
	sys-libs/readline
	sys-libs/zlib
	<virtual/jdk-1.5
	parafoam? ( <sci-visualization/paraview-2.6 )
	!parafoam? ( <sci-visualization/paraview-3.0 )
	!mpich? ( !lam? ( sys-cluster/openmpi ) )
	lam? ( sys-cluster/lam-mpi )
	mpich? ( sys-cluster/mpich2 )"

DEPEND="${RDEPEND}"

S=${WORKDIR}/${MY_P}

	if use parafoam ; then
		MY_PARA_PV="2.4.4"
	else
		MY_PARA_PV="2.6.2"
	fi
MY_PARA_PV_SHORT=$(get_version_component_range 1-2 ${MY_PARA_PV})

pkg_setup() {
	if ! version_is_at_least 4.2 $(gcc-version) ; then
		die "${MY_P} requires >=sys-devel/gcc-4.2 for execution."
	fi

	if use parafoam ; then
		elog
		elog " In order to use paraFoam you need the ParaView package, "
		elog " but not newer than version 2.4.* ! "
		elog " It is highly recommended to *DISABLE* this USE-Flag and use "
		elog " instead the native OpenFOAM support in ParaView-2.6.*: "
		elog " You have to open the controlDict file of each case and "
		elog " choose the OpenFOAM filter for the controlDict files. "
		elog
	else
		elog
		elog " You are building with parafoam disabled, this means "
		elog " that paraFoam will not be installed. "
		elog " You have to use instead the native OpenFOAM support in ParaView-2.6.*: "
		elog " You have to open the controlDict file of each case and "
		elog " choose the OpenFOAM filter for the controlDict files. "
		elog
	fi

	if use amd64 ; then
		elog
		elog "In order to use OpenFOAM you should add the following lines to ~/.bashrc :"
		elog 'WM_64="on"'
		elog "source /usr/$(get_libdir)/OpenFOAM/bashrc"
		elog
	else
		elog
		elog "In order to use OpenFOAM you should add the following line to ~/.bashrc :"
		elog "source /usr/$(get_libdir)/OpenFOAM/bashrc"
		elog
	fi

	java-pkg-2_pkg_setup
}

src_unpack() {
	ln -s "${DISTDIR}"/${MY_P}.General.gtgz ${MY_P}.General.tgz
	unpack ./${MY_P}.General.tgz

	use x86 && ln -s "${DISTDIR}"/${MY_P}.linuxGccDPOpt.gtgz ${MY_P}.binary.tgz
	use amd64 && ln -s "${DISTDIR}"/${MY_P}.linux64GccDPOpt.gtgz ${MY_P}.binary.tgz
	unpack ./${MY_P}.binary.tgz

	cd "${S}"
	epatch "${FILESDIR}"/${P}.patch
}

src_compile() {
	use amd64 && export WM_64="on"

	if use lam ; then
		export WM_MPLIB=LAM
	elif use mpich ; then
		export WM_MPLIB=MPICH
	else
		export WM_MPLIB=OPENMPI
	fi

	sed -i -e "s|WM_PROJECT_VERSION=|WM_PROJECT_VERSION=${MY_PV} #|"	\
		-e "s|export WM_PROJECT_INST_DIR=\$HOME/\$WM_PROJECT|# export WM_PROJECT_INST_DIR=\$HOME/\$WM_PROJECT|"	\
		-e "s|#export WM_PROJECT_INST_DIR=/usr/local/\$WM_PROJECT|export WM_PROJECT_INST_DIR=/usr/$(get_libdir)/\$WM_PROJECT|"	\
		-e "s|[^#]export WM_MPLIB=| #export WM_MPLIB=|"	\
		-e "s|#export WM_MPLIB=$|export WM_MPLIB="${WM_MPLIB}"|" \
		-e "s|SOURCE \$WM_PROJECT_DIR/\$FOAM_DOT_DIR/apps|#SOURCE \$WM_PROJECT_DIR/\$FOAM_DOT_DIR/apps|"	\
			"${S}"/.${MY_P}/bashrc

	sed -i -e "s|WM_PROJECT_VERSION |WM_PROJECT_VERSION ${MY_PV} #|"	\
		-e "s|setenv WM_PROJECT_INST_DIR \$HOME/\$WM_PROJECT|# setenv WM_PROJECT_INST_DIR \$HOME/\$WM_PROJECT|"	\
		-e "s|#setenv WM_PROJECT_INST_DIR /usr/local/\$WM_PROJECT|setenv WM_PROJECT_INST_DIR /usr/$(get_libdir)/\$WM_PROJECT|"	\
		-e "s|[^#]setenv WM_MPLIB | #setenv WM_MPLIB |"	\
		-e "s|#setenv WM_MPLIB OPENMPI$|setenv WM_MPLIB "${WM_MPLIB}"|" \
		-e "s|SOURCE \$WM_PROJECT_DIR/\$FOAM_DOT_DIR/apps|#SOURCE \$WM_PROJECT_DIR/\$FOAM_DOT_DIR/apps|"	\
			"${S}"/.${MY_P}/cshrc

	sed -i -e "s|FOAM_JOB_DIR=\$WM_PROJECT_INST_DIR/jobControl|FOAM_JOB_DIR=\$HOME/\$WM_PROJECT/jobControl|"	\
		-e "s|WM_COMPILER_DIR=|WM_COMPILER_DIR=/usr # |"	\
		-e 's|JAVA_HOME=|JAVA_HOME=${JAVA_HOME} # |'	\
		-e 's|[^#]export OPENMPI_HOME=|# export OPENMPI_HOME=|'	\
		-e 's|OPENMPI_ARCH_PATH=|OPENMPI_ARCH_PATH=/usr # |'	\
		-e 's|[^#]export LAMHOME=|# export LAMHOME=|'	\
		-e 's|LAM_ARCH_PATH=|LAM_ARCH_PATH=/usr # |'	\
		-e 's|[^#]export MPICH_PATH=$FOAM_SRC|# export MPICH_PATH=$FOAM_SRC|'	\
		-e 's|MPICH_ARCH_PATH=|MPICH_ARCH_PATH=/usr # |'	\
		-e 's|AddLib $OPENMPI_ARCH_PATH|# AddLib $OPENMPI_ARCH_PATH|'	\
		-e 's|AddPath $OPENMPI_ARCH_PATH|# AddPath $OPENMPI_ARCH_PATH|'	\
		-e 's|AddLib $LAM_ARCH_PATH|# AddLib $LAM_ARCH_PATH|'	\
		-e 's|AddPath $LAM_ARCH_PATH|# AddPath $LAM_ARCH_PATH|'	\
		-e 's|AddLib $MPICH_ARCH_PATH|# AddLib $MPICH_ARCH_PATH|'	\
		-e 's|AddPath $MPICH_ARCH_PATH|# AddPath $MPICH_ARCH_PATH|'	\
			"${S}"/.bashrc

	sed -i -e "s|FOAM_JOB_DIR \$WM_PROJECT_INST_DIR/jobControl|FOAM_JOB_DIR \$HOME/\$WM_PROJECT/jobControl|"	\
		-e "s|WM_COMPILER_DIR |WM_COMPILER_DIR /usr # |"	\
		-e 's|JAVA_HOME |JAVA_HOME ${JAVA_HOME} # |'	\
		-e 's|[^#]setenv OPENMPI_HOME|# setenv OPENMPI_HOME|'	\
		-e 's|OPENMPI_ARCH_PATH |OPENMPI_ARCH_PATH /usr # |'	\
		-e 's|[^#]setenv LAMHOME|# setenv LAMHOME|'	\
		-e 's|LAM_ARCH_PATH |LAM_ARCH_PATH /usr # |'	\
		-e 's|[^#]setenv MPICH_PATH $FOAM_SRC|# setenv MPICH_PATH $FOAM_SRC|'	\
		-e 's|MPICH_ARCH_PATH |MPICH_ARCH_PATH /usr # |'	\
		-e 's|AddLib $OPENMPI_ARCH_PATH|# AddLib $OPENMPI_ARCH_PATH|'	\
		-e 's|AddPath $OPENMPI_ARCH_PATH|# AddPath $OPENMPI_ARCH_PATH|'	\
		-e 's|AddLib $LAM_ARCH_PATH|# AddLib $LAM_ARCH_PATH|'	\
		-e 's|AddPath $LAM_ARCH_PATH|# AddPath $LAM_ARCH_PATH|'	\
		-e 's|AddLib $MPICH_ARCH_PATH|# AddLib $MPICH_ARCH_PATH|'	\
		-e 's|AddPath $MPICH_ARCH_PATH|# AddPath $MPICH_ARCH_PATH|'	\
			"${S}"/.cshrc

	sed -i -e "s|/lib/j3d-org.jar|/lib/j3d-org.jar:/usr/share/sun-java3d-bin/lib/vecmath.jar:/usr/share/sun-java3d-bin/lib/j3dutils.jar:/usr/share/sun-java3d-bin/lib/j3dcore.jar|"	\
		"${S}"/applications/utilities/mesh/manipulation/patchTool/Java/Allwmake

	sed -i -e "s|:../lib/j3d-org.jar|:../lib/j3d-org.jar:/usr/share/sun-java3d-bin/lib/vecmath.jar:/usr/share/sun-java3d-bin/lib/j3dutils.jar:/usr/share/sun-java3d-bin/lib/j3dcore.jar|"	\
		"${S}"/applications/utilities/mesh/manipulation/patchTool/Java/Make/options

	sed -i -e "s|#SOURCE \$WM_PROJECT_DIR/\$FOAM_DOT_DIR/apps/paraview|SOURCE \$WM_PROJECT_DIR/\$FOAM_DOT_DIR/apps/paraview|"	\
		"${S}"/.${MY_P}/bashrc || die "could not replace source options"

	index=`grep -n "CMAKE_HOME/bin:" "${S}"/."${MY_P}"/apps/paraview/bashrc | cut -d ':' -f 1,1`
	index1=$((${index}-1))
	index2=$((${index}+1))
	sed -i -e "s|CMAKE_HOME=|CMAKE_HOME=/usr # |"	\
		-e "${index1}{s|[^#]|# i|}"	\
		-e "${index2}{s|[^#]|# f|}"	\
		-e "s|[^#]export PATH=\$CMAKE_HOME/|# export PATH=\$CMAKE_HOME/|"	\
		-e "s|ParaView_VERSION=|ParaView_VERSION=${MY_PARA_PV} # |"	\
		-e "s|ParaView_INST_DIR=\$WM_PROJECT_INST_DIR/\$WM_ARCH/paraview-\$ParaView_VERSION|ParaView_INST_DIR=/usr|"	\
		-e "s|\$ParaView_INST_DIR/lib/paraview-2.4|\$ParaView_INST_DIR/lib/ParaView-${MY_PARA_PV_SHORT}|"	\
		-e "s|[^#]export PATH=\$ParaView_INST_DIR|# export PATH=\$ParaView_INST_DIR|"	\
		-e "s|[^#]export LD_LIBRARY_PATH=|# export LD_LIBRARY_PATH=|"	\
			"${S}"/."${MY_P}"/apps/paraview/bashrc

	index=`grep -n "CMAKE_HOME/bin" "${S}"/."${MY_P}"/apps/paraview/cshrc | cut -d ':' -f 1,1`
	index1=$((${index}-1))
	index2=$((${index}+1))
	sed -i -e "s|CMAKE_HOME |CMAKE_HOME /usr # |"	\
		-e "${index1}{s|[^#]|# i|}"	\
		-e "${index2}{s|[^#]|# f|}"	\
		-e "s|[^#]set path=(\$CMAKE_HOME/|# set path=(\$CMAKE_HOME/|"	\
		-e "s|ParaView_VERSION |ParaView_VERSION ${MY_PARA_PV} # |"	\
		-e "s|ParaView_INST_DIR \$WM_PROJECT_INST_DIR/\$WM_ARCH/paraview-\$ParaView_VERSION|ParaView_INST_DIR /usr|"	\
		-e "s|\$ParaView_INST_DIR/lib/paraview-2.4|\$ParaView_INST_DIR/lib/ParaView-${MY_PARA_PV_SHORT}|"	\
		-e "s|[^#]set path=(\$ParaView_INST_DIR|# set path=(\$ParaView_INST_DIR|"	\
		-e "s|[^#]setenv LD_LIBRARY_PATH|# setenv LD_LIBRARY_PATH|"	\
			"${S}"/."${MY_P}"/apps/paraview/cshrc

	sed -i -e 's|MICO_VERSION=|MICO_VERSION=`/usr/bin/mico-config --version` # |'	\
		-e "s|[^#]export MICO_PATH=|# export MICO_PATH=|"	\
		-e "s|MICO_ARCH_PATH=|MICO_ARCH_PATH=/usr # |"	\
		"${S}"/.bashrc

	sed -i -e 's|MICO_VERSION |MICO_VERSION `/usr/bin/mico-config --version` # |'	\
		-e "s|[^#]setenv MICO_PATH |# setenv MICO_PATH |"	\
		-e "s|MICO_ARCH_PATH |MICO_ARCH_PATH /usr # |"	\
		"${S}"/.cshrc

	cp "${S}"/.${MY_P}/bashrc "${S}"/.${MY_P}/bashrc.bak

	sed -i -e "s|WM_PROJECT_INST_DIR=/usr/lib/\$WM_PROJECT|WM_PROJECT_INST_DIR="${WORKDIR}"|"	\
		-e "s|WM_PROJECT_DIR=\$WM_PROJECT_INST_DIR/\$WM_PROJECT-\$WM_PROJECT_VERSION|WM_PROJECT_DIR="${S}"|"	\
		"${S}"/.${MY_P}/bashrc.bak	\
		|| die "could not replace source options"

 	. "${S}"/.${MY_P}/bashrc.bak
	rm "${S}"/.${MY_P}/bashrc.bak

	use !parafoam && rm "${S}"/bin/paraFoam*

	sed -i -e "s|/\$WM_OPTIONS||" "${S}"/.bashrc || die "could not delete \$WM_OPTIONS in .bashrc"
	sed -i -e "s|/\$WM_OPTIONS||" "${S}"/.cshrc || die "could not delete \$WM_OPTIONS in .cshrc"
	rm "${S}"/applications/utilities/mesh/conversion/ccm26ToFoam/libccmio/config/{irix64_6.5-mips4,irix_6.5-mips3,sunos64_5.8-ultra,linux64_2.6-pwr4-glibc_2.3.3}/qmake
	rm "${S}"/wmake/rules/{solarisGcc,sgi64Gcc,sgiN32Gcc}/dirToString
	rm "${S}"/wmake/rules/{solarisGcc,linuxI64}/wmkdep
}

src_test() {
	cd "${S}"/bin
	./foamInstallationTest
}

src_install() {
	insinto /usr/$(get_libdir)/"${MY_PN}"/${MY_P}
	doins -r .bashrc .cshrc .${MY_P}

	use examples && doins -r tutorials

	insopts -m0755
	doins -r bin
	insinto /usr/$(get_libdir)/${MY_PN}/${MY_P}/applications/bin
	doins -r applications/bin/${WM_OPTIONS}/*

	insinto /usr/$(get_libdir)/${MY_PN}/${MY_P}/lib
	doins -r lib/${WM_OPTIONS}/*

	insinto /usr/$(get_libdir)/${MY_PN}/${MY_P}/wmake
	doins -r wmake/*

	insopts -m0644
	find "${S}"/applications -type d \( -name "${WM_OPTIONS}" -o -name linuxDebug -o -name linuxOpt \)  | xargs rm -rf

	insinto /usr/$(get_libdir)/${MY_PN}/${MY_P}/applications
	doins -r applications/solvers applications/test applications/utilities

	insinto /usr/share/${MY_PN}/${MY_P}/doc
	doins -r README doc/Guides-a4 doc/Guides-usletter

	dosym /usr/$(get_libdir)/${MY_PN}/${MY_P}/.${MY_P}/bashrc /usr/$(get_libdir)/${MY_PN}/bashrc
	dosym /usr/$(get_libdir)/${MY_PN}/${MY_P}/.${MY_P}/cshrc /usr/$(get_libdir)/${MY_PN}/cshrc
}