# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils bash-completion-r1

# std vars

SLOT="0"
LICENSE="GPL-2"

DESCRIPTION="Power-Management made easy, designed for Thinkpads."
HOMEPAGE="https://github.com/linrunner/TLP/wiki/TLP-Linux-Advanced-Power-Management"

KEYWORDS="~amd64 ~x86"

SRC_URI="https://github.com/downloads/dywisor/tlp-gentoo/${PF}-gentoo.tar.bz2"
RESTRICT="mirror"

# std use flags
IUSE="+X +thinkpad -acpi-hook -bash-completion -smartmontools -ethtool -lsb-release -laptop-mode-tools -networkmanager"

# std dependency set
# no build-time deps
DEPEND=""
RDEPEND="
sys-apps/hdparm
net-wireless/wireless-tools
net-wireless/rfkill
sys-apps/dmidecode
acpi-hook?      ( sys-power/acpid sys-power/pm-utils )
!acpi-hook?     ( sys-power/upower )
thinkpad?       ( app-laptop/tp_smapi )
smartmontools?  ( sys-apps/smartmontools )
ethtool?        ( sys-apps/ethtool )
lsb-release?    ( sys-apps/lsb-release )
networkmanager? ( net-misc/networkmanager )
!laptop-mode-tools? ( !app-laptop/laptop-mode-tools )"



# pm hooks to disable defined by upstream
# (http://thinkpad-wiki.org/TLP_Programmdokumentation)
#
# hook definitions that have a different name in gentoo:
#  * 95hdparm-apm -> harddrive
#
: ${ETLP__UPSTREAM_CONFLICTING_PMHOOKS:="disable_wol hal-cd-polling intel-audio-powersave journal-commit pcie_aspm laptop-mode sata_alpm sched-powersave wireless xfs_buffer 95hdparm-apm"}

# pm hooks to disable
: ${ETLP_CONFLICTING_PMHOOKS:="${ETLP_UPSTREAM_CONFLICTING_PMHOOKS} harddrive"}

# networkmanager dispatcher.d/ script
: ${ETLP_NM_DIS_DIR:="/etc/NetworkManager/dispatcher.d"}
: ${ETLP_NM_DIS_NAME:="02_tlp-ifup"}

# tlp lib dir
: ${ETLP_LIB:="/usr/lib/tlp-pm"}
: ${ETLP_SHARE:="/usr/share/tlp-pm"}


tlp_preinst() {
   # Disable conflicting pm-utils hooks
   local hook
   for hook in $ETLP_CONFLICTING_PMHOOKS; do
   if [[ -x "/usr/lib/pm-utils/power.d/${hook}" ]];then
      ln -sf /usr/lib/tlp-pm/tlp-nop /etc/pm/power.d/${hook} || die "Failed to disable ${hook}."
   fi
   done
   return 0
}

tlp_postrm() {
   # Remove pm-utils hook disablers
   local hook
   for hook in $ETLP_CONFLICTING_PMHOOKS; do
      if [[ x`readlink "/etc/pm/power.d/${hook}"` = "x/usr/lib/tlp-pm/tlp-nop" ]];then
         rm "/etc/pm/power.d/${hook}" || die "Couldn't reenable ${hook}."
      fi
   done
   return 0
}

tlp_postinst() {
   elog "You have to enable TLP by setting TLP_ENABLE=1 in /etc/conf.d/tlp."
   elog "If you want to enable and start TLP now, run 'eselect tlp enable'."
   elog "Don't forget to add /etc/init.d/tlp to your favorite runlevel."
   if use laptop-mode-tools; then
      ewarn "Reminder: don't run laptop-mode-tools and tlp at the same time."
   fi
   if use acpi-hook; then
      ewarn "Keep in mind that the acpid-hook is *not* supported by upstream."
      elog  "To apply the acpid rule now, make sure that acpid is started on init and run '/etc/init.d/acpid reload'."
   fi
   if ! use networkmanager; then
      ewarn "The ifup script has been installed into ${ETLP_SHARE}. 'eselect tlp net' may help you to set it up."
   fi
   return 0
}

tlp_configure() {
   if use networkmanager; then
      gentoo/ifup_assistant.pl "nm" ./tlp-ifup > "${T}/${ETLP_NM_DIS_NAME}" || die "ifup_assistant.pl failed."
   fi
}

tlp_compile() {
	return 0
#	case "${1:-}" in
#		*) return 0 ;;
#	esac
}

# wrapper function tlp_install
tlp_install() {
	case "${PVR}" in
		'0.3.'*) tlp_install_03 || die;;
		*) die "tlp.eclass: unsupported version '${PVR}'" ;;
	esac
}

# install tlp 0.3.x series
tlp_install_03() {
	dosbin tlp || die

	newbashcomp "tlp.bash_completion" ${PN}

	newbin tlp-rf bluetooth || die
	ln -f "${D}/usr/bin/bluetooth" "${D}/usr/bin/wifi" || die
	ln -f "${D}/usr/bin/bluetooth" "${D}/usr/bin/wwan" || die

	newbin tlp-run-on run-on-ac || die
	ln -f "${D}/usr/bin/run-on-ac" "${D}/usr/bin/run-on-bat" || die

	# tlp-stat requires root priv; into sbin here, but into bin in tlp's Makefile
	dosbin tlp-stat || die

	dodoc README || die
	dodoc gentoo/README.gentoo || die

	if [[ -d man ]];then
		local m
		for m in man/* ; do
			doman "$m" || die
		done
	fi

	insinto "$ETLP_LIB"
	doins tlp-functions tlp-rf-func tlp-nop || die
	exeinto "$ETLP_LIB"
	doexe gentoo/ifup_assistant.pl || die

	insinto "$ETLP_SHARE"
	doins tlp-ifup || die

	if use networkmanager; then
		exeinto "${ETLP_NM_DIS_DIR}"
		doexe "${T}/${ETLP_NM_DIS_NAME}" || die
	fi

	doconfd conf/tlp || die

	exeinto /usr/lib/pm-utils/sleep.d
	doexe 49bay 49wwan || die

	if use acpi-hook; then
		newinitd gentoo/acpi_hook/init-tlp tlp || die

		insinto /etc/acpi/events
		doins gentoo/acpi_hook/99-zztlp || die

		exeinto /etc/acpi/actions
		doexe gentoo/acpi_hook/zztlp-acpi.sh || die
	else
		# upstream pm handling implementation,
		#  relies on external pm triggers (via upower/dbus,..)
		newinitd gentoo/std_pm/init-tlp tlp || die

		exeinto /usr/lib/pm-utils/power.d
		doexe zztlp || die
	fi

	if use X; then
		insinto /etc/xdg/autostart
		doins tlp.desktop || die
	fi

	insinto /usr/share/eselect/modules
	newins gentoo/eselect-tlp tlp.eselect || die
	return 0
}