#!/bin/sh

NAME='ibus-chewing'
ARCH=$(uname -m)
BUILD_DIR="/tmp/${NAME}_build"
OUTPUTDIR='/tmp/out'
#SOURCEDIR='/tmp/source'

## build dependencies ##
BUILD_DEPS="cmake.tcz
compiletc.tcz
gettext-dev.tcz
git.tcz
glib2-dev.tcz
glibc_gconv.tcz
gob2.tcz
gtk2-dev.tcz
ibus-dev.tcz
libchewing-dev.tcz
squashfs-tools.tcz
"

echo tce-load -w $BUILD_DEPS
tce-load -w $BUILD_DEPS > /dev/null 2>&1
echo tce-load -i $BUILD_DEPS
tce-load -i $BUILD_DEPS > /dev/null 2>&1 || exit 1

rm -fr $OUTPUTDIR
mkdir $OUTPUTDIR

## get source ##
sudo rm -fr $BUILD_DIR
mkdir -p $BUILD_DIR && cd $BUILD_DIR || { echo Can not create $BUILD_DIR >&2; exit 1; }
git clone https://github.com/definite/ibus-chewing.git
cd ibus-chewing || exit 1
# wget https://releases.pagure.org/cmake-fedora/cmake-fedora-modules-only-latest.tar.gz
wget https://releases.pagure.org/cmake-fedora/cmake-fedora-2.9.2-modules-only.tar.gz
# tar xf cmake-fedora-modules-only-latest.tar.gz || exit 1
tar xf cmake-fedora-2.9.2-modules-only.tar.gz

## compile flags ##
FLAGS_i686='-march=i486 -mtune=i686 '
FLAGS_x86_64='-mtune=generic '
eval CFLAGS="\$FLAGS_${ARCH}"
eval CXXFLAGS="\$FLAGS_${ARCH}"
CFLAGS="${CFLAGS}-Os -pipe -fno-exceptions -flto -fuse-linker-plugin"
CXXFLAGS="${CXXFLAGS}-Os -pipe -fno-exceptions -flto -fuse-linker-plugin -fno-rtti"
LDFLAGS="-Wl,-O1"
export CFLAGS CXXFLAGS LDFLAGS

## configure ##
cmake . \
-DCMAKE_INSTALL_PREFIX='/usr/local' \
-DLIBEXEC_DIR='/usr/local/lib/ibus-chewing' \
-DDATA_DIR='/usr/local/share' \
-DPRJ_DOC_DIR='/usr/local/share/doc/ibus-chewing' \
-DPRJ_DATA_DIR='/usr/local/share/ibus-chewing' \
2> ${BUILD_DIR}/cmake2 | tee ${BUILD_DIR}/cmake1

## make ##
make -j 2> ${BUILD_DIR}/make2 | tee ${BUILD_DIR}/make1
make DESTDIR=${BUILD_DIR}/${NAME}-base install
[ $? != 0 ] && {
  echo Error occur, make install failed >&2
  exit 1
}

## strip ##
cd ${BUILD_DIR}/${NAME}-base
find . -type f -exec file {} + | \
grep 'not stripped' | cut -d : -f 1 | \
xargs strip --strip-unneeded

## packing up ##
## doc AUTHORS COPYING LICENCE etc.
EXT='-doc'
mkdir -p ${BUILD_DIR}/${NAME}${EXT}/usr/local/share
mv usr/local/share/doc ${BUILD_DIR}/${NAME}${EXT}/usr/local/share

sudo chown root:root -R ${BUILD_DIR}/${NAME}${EXT}
mksquashfs ${BUILD_DIR}/${NAME}${EXT} ${OUTPUTDIR}/${NAME}${EXT}.tcz

## locale ##
EXT='-locale'
for locale in $(find . -name *.mo); do
  path=${locale#./}
  path=${path%/*}
  mkdir -p ${BUILD_DIR}/${NAME}${EXT}/$path
  mv $locale ${BUILD_DIR}/${NAME}${EXT}/$path
done 2> /dev/null

sudo chown root:root -R ${BUILD_DIR}/${NAME}${EXT}
mksquashfs ${BUILD_DIR}/${NAME}${EXT} ${OUTPUTDIR}/${NAME}${EXT}.tcz

echo ibus-chewing.tcz > ${OUTPUTDIR}/${NAME}${EXT}.tcz.dep

## base ##
EXT='-base'
# remove empty directory
find . -depth -type d -exec rmdir {} \; 2> /dev/null

# add startup script example
mkdir -p ${BUILD_DIR}/${NAME}${EXT}/usr/local/share/doc/${NAME}
printf '#!/bin/sh
# desktop
SYSTEM_DESKTOP="$(cat /etc/sysconfig/desktop)"
[ "$SYSTEM_DESKTOP" = "gnome-session" ] && {
  ibus-daemon -drx &
} || {
  ibus-daemon -drx -n "$SYSTEM_DESKTOP" &
}
# choose engine
ibus engine chewing &
# set input-sources
/usr/local/bin/gsettings \
  set org.gnome.desktop.input-sources \
  sources \x27[("ibus", "chewing")]\x27 &
' > ${BUILD_DIR}/${NAME}${EXT}/usr/local/share/doc/${NAME}/startup_script.example

# adjust .desktop file
for desktop in $(find . -name *.desktop); do
  printf "\nX-FullPathIcon=/usr/local/share/${NAME}/icons/ibus-setup-chewing.png\n" >> $desktop
  sed -i '/^[[:blank:]]*$/d' $desktop
done

# tce.installed
mkdir -p usr/local/tce.installed
printf '#!/bin/sh
# update cache
/usr/local/bin/gdk-pixbuf-query-loaders --update-cache &
mkdir -p /usr/local/lib/gtk-2.0/2.10.0
/usr/local/bin/gtk-query-immodules-2.0 --update-cache &
/usr/local/bin/gtk-query-immodules-3.0 --update-cache &
# update schemas
/usr/local/bin/glib-compile-schemas \
/usr/local/share/glib-2.0/schemas 2> /dev/null &
# ~/.X.d
for TCUSER in $(busybox ls /home); do
  mkdir -p /home/${TCUSER}/.X.d
  [ -f /home/${TCUSER}/.X.d/ibus-chewing ] || \
  cp /usr/local/share/doc/ibus-chewing/startup_script.example \
  /home/${TCUSER}/.X.d/ibus-chewing
  chmod 755 /home/${TCUSER}/.X.d/ibus-chewing
  chown ${TCUSER}:staff /home/${TCUSER}/.X.d/ibus-chewing
done
' > ${BUILD_DIR}/${NAME}${EXT}/usr/local/tce.installed/${NAME}

sudo chown root:root -R ${BUILD_DIR}/${NAME}${EXT}
sudo chown root:staff -R ${BUILD_DIR}/${NAME}${EXT}/usr/local/tce.installed
sudo chmod -R 775 ${BUILD_DIR}/${NAME}${EXT}/usr/local/tce.installed
mksquashfs ${BUILD_DIR}/${NAME}${EXT} ${OUTPUTDIR}/${NAME}.tcz

printf 'gtk2.tcz
ibus-gir.tcz
libchewing.tcz
' > ${OUTPUTDIR}/${NAME}.tcz.dep