#!/bin/bash

# Copyright (c) 2015 Igor Pecovnik, igor.pecovnik@gma**.com
#
# This file is licensed under the terms of the GNU General Public
# License version 2. This program is licensed "as is" without any
# warranty of any kind, whether express or implied.

# This file is a part of the Armbian build script
# https://github.com/armbian/build/

create_desktop_package ()
{
	# join and cleanup package list
	PACKAGE_LIST_DESKTOP+=" "${PACKAGE_LIST_DESKTOP_RECOMMENDS}
	PACKAGE_LIST_DESKTOP=${PACKAGE_LIST_DESKTOP// /,};
	PACKAGE_LIST_DESKTOP=${PACKAGE_LIST_DESKTOP//[[:space:]]/}

	local destination=${SRC}/.tmp/${RELEASE}/${BOARD}/${CHOSEN_DESKTOP}_${REVISION}_all
	rm -rf "${destination}"
	mkdir -p "${destination}"/DEBIAN

	# set up control file
	cat <<-EOF > "${destination}"/DEBIAN/control
	Package: ${CHOSEN_DESKTOP}
	Version: $REVISION
	Architecture: all
	Maintainer: $MAINTAINER <$MAINTAINERMAIL>
	Installed-Size: 1
	Section: xorg
	Priority: optional
	Recommends: ${PACKAGE_LIST_DESKTOP//[:space:]+/,}
	Provides: ${CHOSEN_DESKTOP}
	Description: Armbian desktop for ${DISTRIBUTION} ${RELEASE}
	EOF

	cat <<-EOF > "${destination}"/DEBIAN/postinst
	#!/bin/sh -e

		# overwrite stock chromium and firefox configuration
		if [ -d /etc/chromium-browser/ ]; then ln -sf /etc/armbian/chromium.conf /etc/chromium-browser/default; fi
		if [ -d /etc/chromium.d/ ]; then ln -sf /etc/armbian/chromium.conf /etc/chromium.d/chromium.conf; fi
		cp -R /etc/armbian/chromium /usr/share
		# overwrite stock lightdm greeter configuration
		if [ -d /etc/armbian/lightdm ]; then cp -R /etc/armbian/lightdm /etc/; fi


		if [ -d /usr/lib/firefox-esr/ ]; then
			ln -sf /etc/armbian/firefox.conf /usr/lib/firefox-esr/mozilla.cfg
			echo 'pref("general.config.obscure_value", 0);' > /usr/lib/firefox-esr/defaults/pref/local-settings.js
			echo 'pref("general.config.filename", "mozilla.cfg");' >> /usr/lib/firefox-esr/defaults/pref/local-settings.js
		fi

		# Adjust menu
		if [ -f /etc/xdg/menus/xfce-applications.menu ]; then
		sed -i -n '/<Menuname>Settings<\/Menuname>/{p;:a;N;/<Filename>xfce4-session-logout.desktop<\/Filename>/!ba;s/.*\n/\
		\t<Separator\/>\n\t<Merge type="all"\/>\n        <Separator\/>\n        <Filename>armbian-donate.desktop<\/Filename>\
		\n        <Filename>armbian-support.desktop<\/Filename>\n/};p' /etc/xdg/menus/xfce-applications.menu
		fi

		# Hide few items
		if [ -f /usr/share/applications/display-im6.q16.desktop ]; then mv /usr/share/applications/display-im6.q16.desktop /usr/share/applications/display-im6.q16.desktop.hidden; fi
		if [ -f /usr/share/applications/display-im6.desktop ]]; then  mv /usr/share/applications/display-im6.desktop /usr/share/applications/display-im6.desktop.hidden; fi
		if [ -f /usr/share/applications/vim.desktop ]]; then  mv /usr/share/applications/vim.desktop /usr/share/applications/vim.desktop.hidden; fi
		if [ -f /usr/share/applications/libreoffice-startcenter.desktop ]]; then mv /usr/share/applications/libreoffice-startcenter.desktop /usr/share/applications/libreoffice-startcenter.desktop.hidden; fi

		# Disable Pulseaudio timer scheduling which does not work with sndhdmi driver
		if [ -f /etc/pulse/default.pa ]; then sed "s/load-module module-udev-detect$/& tsched=0/g" -i  /etc/pulse/default.pa; fi

	exit 0
	EOF
	chmod 755 "${destination}"/DEBIAN/postinst

	# add loading desktop splash service
	mkdir -p "${destination}"/etc/systemd/system/
	cp "${SRC}"/packages/blobs/desktop/desktop-splash/desktop-splash.service "${destination}"/etc/systemd/system/desktop-splash.service

	# install optimized browser configurations
	mkdir -p "${destination}"/etc/armbian
	cp "${SRC}"/packages/blobs/desktop/chromium.conf "${destination}"/etc/armbian
	cp "${SRC}"/packages/blobs/desktop/firefox.conf  "${destination}"/etc/armbian
	cp -R "${SRC}"/packages/blobs/desktop/chromium "${destination}"/etc/armbian

	# install lightdm greeter
	cp -R "${SRC}"/packages/blobs/desktop/lightdm "${destination}"/etc/armbian

	# install default desktop settings
	mkdir -p "${destination}"/etc/skel
	cp -R "${SRC}"/packages/blobs/desktop/skel/. "${destination}"/etc/skel


	# using different icon pack. Workaround due to this bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=867779
	if [[ ${RELEASE} == bionic || ${RELEASE} == stretch || ${RELEASE} == buster || ${RELEASE} == bullseye || ${RELEASE} == focal || ${RELEASE} == eoan ]]; then
	sed -i 's/<property name="IconThemeName" type="string" value=".*$/<property name="IconThemeName" type="string" value="Humanity-Dark"\/>/g' \
	"${destination}"/etc/skel/.config/xfce4/xfconf/xfce-perchannel-xml/xsettings.xml
	fi

	# install dedicated startup icons
	mkdir -p "${destination}"/usr/share/pixmaps "${destination}"/etc/skel/.config/xfce4/xfconf/xfce-perchannel-xml/
	cp "${SRC}/packages/blobs/desktop/icons/${DISTRIBUTION,,}.png" "${destination}"/usr/share/pixmaps
	sed 's/xenial.png/'"${DISTRIBUTION,,}"'.png/' -i "${destination}"/etc/skel/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-panel.xml

	# install logo for login screen
	cp "${SRC}"/packages/blobs/desktop/icons/armbian.png "${destination}"/usr/share/pixmaps

	# install wallpapers
	mkdir -p "${destination}"/usr/share/backgrounds/xfce/
	cp "${SRC}"/packages/blobs/desktop/wallpapers/armbian*.jpg "${destination}"/usr/share/backgrounds/xfce/

	# create board DEB file
	display_alert "Building desktop package" "${CHOSEN_DESKTOP}_${REVISION}_all" "info"
	fakeroot dpkg-deb -b "${destination}" "${destination}.deb" >/dev/null
	mkdir -p "${DEB_STORAGE}/${RELEASE}"
	mv "${destination}.deb" "${DEB_STORAGE}/${RELEASE}"
	# cleanup
	rm -rf "${destination}"
}

desktop_postinstall ()
{
	# disable display manager for first run
	chroot "${SDCARD}" /bin/bash -c "systemctl --no-reload disable lightdm.service >/dev/null 2>&1"
	if [[ ${FULL_DESKTOP} == yes ]]; then
		chroot "${SDCARD}" /bin/bash -c "DEBIAN_FRONTEND=noninteractive apt-get update" >> "${DEST}"/debug/install.log
		chroot "${SDCARD}" /bin/bash -c "DEBIAN_FRONTEND=noninteractive apt-get update; apt-get -yqq --no-install-recommends install $PACKAGE_LIST_DESKTOP_FULL" >> "${DEST}"/debug/install.log
	fi

	if [[ -n ${PACKAGE_LIST_DESKTOP_BOARD} ]]; then
		chroot "${SDCARD}" /bin/bash -c "DEBIAN_FRONTEND=noninteractive apt-get update; apt-get -yqq --no-install-recommends install $PACKAGE_LIST_DESKTOP_BOARD" >> "${DEST}"/debug/install.log
	fi

	if [[ -n ${PACKAGE_LIST_DESKTOP_FAMILY} ]]; then
                chroot "${SDCARD}" /bin/bash -c "DEBIAN_FRONTEND=noninteractive apt-get update; apt-get -yqq --no-install-recommends install $PACKAGE_LIST_DESKTOP_FAMILY" >> "${DEST}"/debug/install.log
        fi

	# Compile Turbo Frame buffer for sunxi
	if [[ $LINUXFAMILY == sun* && $BRANCH == default ]]; then
		sed 's/name="use_compositing" type="bool" value="true"/name="use_compositing" type="bool" value="false"/' -i "${SDCARD}"/etc/skel/.config/xfce4/xfconf/xfce-perchannel-xml/xfwm4.xml

		# enable memory reservations
		echo "disp_mem_reserves=on" >> "${SDCARD}"/boot/armbianEnv.txt
		echo "extraargs=cma=96M" >> "${SDCARD}"/boot/armbianEnv.txt
	fi
}