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#!/bin/bash
# file: kodi-building.sh 
#
# download, configure, build and install Kodi Media Player from its source code
# https://github.com/xbmc/xbmc/blob/master/docs/README.Linux.md

kodi_src="$HOME/kodi"
kodi_build="$HOME/kodi-build"
kodi_install_dir="/usr/local"

echo
echo "+----------------------------------------------------------------------------------------+"
echo "| cd $HOME                                                                               |"
echo "+----------------------------------------------------------------------------------------+"
echo
cd $HOME
echo $PWD

if [ -e "$kodi_src" ]
then
    # change to Kodi's source code directory
    echo
    echo "+----------------------------------------------------------------------------------------+"
    echo "| cd $kodi_src                                                                           |"
    echo "+----------------------------------------------------------------------------------------+"
    echo
    cd "$kodi_src"
    echo $PWD
   
    # update local copy of Kodi's current master branch
    echo
    echo "+----------------------------------------------------------------------------------------+"
    echo "| git pull                                                                               |"
    echo "+----------------------------------------------------------------------------------------+"
    echo
    git pull
else
    # clone Kodi's current master branch
    echo
    echo "+----------------------------------------------------------------------------------------+"
    echo "| git clone https://github.com/xbmc/xbmc kodi                                            |"
    echo "+----------------------------------------------------------------------------------------+"
    echo
    git clone https://github.com/xbmc/xbmc kodi

    # change to Kodi's source code directory
    echo
    echo "+----------------------------------------------------------------------------------------+"
    echo "| cd $kodi_src                                                                           |"
    echo "+----------------------------------------------------------------------------------------+"
    echo
    cd "$kodi_src"
    echo $PWD
fi

# build and install crossguid
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| sudo make -C tools/depends/target/crossguid PREFIX=$kodi_install_dir                   |"
echo "+----------------------------------------------------------------------------------------+"
echo
sudo make -C tools/depends/target/crossguid PREFIX="$kodi_install_dir"

# build and install flatbuffers
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| sudo make -C tools/depends/target/flatbuffers PREFIX=$kodi_install_dir                 |"
echo "+----------------------------------------------------------------------------------------+"
echo
sudo make -C tools/depends/target/flatbuffers PREFIX="$kodi_install_dir"

# build and install libfmt
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| sudo make -C tools/depends/target/fmt PREFIX=$kodi_install_dir                         |"
echo "+----------------------------------------------------------------------------------------+"
echo
sudo make -C tools/depends/target/fmt PREFIX="$kodi_install_dir"

# build and install libspdlog
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| sudo make -C tools/depends/target/spdlog PREFIX=$kodi_install_dir                      |"
echo "+----------------------------------------------------------------------------------------+"
echo
sudo make -C tools/depends/target/spdlog PREFIX="$kodi_install_dir"

# build and install wayland-protocols
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| sudo make -C tools/depends/target/wayland-protocols PREFIX=$kodi_install_dir           |"
echo "+----------------------------------------------------------------------------------------+"
echo
sudo make -C tools/depends/target/wayland-protocols PREFIX="$kodi_install_dir"

# build and install waylandpp
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| sudo make -C tools/depends/target/waylandpp PREFIX=$kodi_install_dir                   |"
echo "+----------------------------------------------------------------------------------------+"
echo
sudo make -C tools/depends/target/waylandpp PREFIX="$kodi_install_dir"

if [ ! -e "$kodi_build" ]
then
    # create an out-of-source build directory
    echo
    echo "+----------------------------------------------------------------------------------------+"
    echo "| mkdir $kodi_build                                                                      |"
    echo "+----------------------------------------------------------------------------------------+"
    echo
    mkdir "$kodi_build"
fi

# change to the building directory
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| cd $kodi_build                                                                         |"
echo "+----------------------------------------------------------------------------------------+"
echo
cd "$kodi_build"
echo $PWD

# configure build with any combination of the three (default is "x11 wayland gbm")
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| cmake \                                                                                |"
echo "|     ../kodi \                                                                          |"
echo "|     -DCMAKE_INSTALL_PREFIX=$kodi_install_dir \                                         |"
echo "|     -DCORE_PLATFORM_NAME='x11 wayland gbm' \                                           |"
echo "|     -DAPP_RENDER_SYSTEM=gl \                                                           |"
echo "|     -DENABLE_INTERNAL_FFMPEG=ON \                                                      |"
echo "|     -DENABLE_INTERNAL_FLATBUFFERS=ON \                                                 |"
echo "|     -DENABLE_INTERNAL_TAGLIB=ON \                                                      |"
echo "+----------------------------------------------------------------------------------------+"
echo
cmake \
    ../kodi \
    -DCMAKE_INSTALL_PREFIX="$kodi_install_dir" \
    -DCORE_PLATFORM_NAME="x11 wayland gbm" \
    -DAPP_RENDER_SYSTEM=gl \
    -DENABLE_INTERNAL_FFMPEG=ON \
    -DENABLE_INTERNAL_FLATBUFFERS=ON \
    -DENABLE_INTERNAL_TAGLIB=ON \
;

# building
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| sudo cmake \                                                                           |"
echo "|     --build . \                                                                        |"
echo "|     -- VERBOSE=1 \                                                                     |"
echo "|     -j$(getconf _NPROCESSORS_ONLN)                                                     |"
echo "+----------------------------------------------------------------------------------------+"
echo
sudo cmake \
    --build . \
    -- VERBOSE=1 \
    -j$(getconf _NPROCESSORS_ONLN) \
    ;

# if everything went OK during the test, 
# the binaries can be installed to its place, 
# in this case "$kodi_install_dir".
echo
echo "+----------------------------------------------------------------------------------------+"
echo "| sudo make install                                                                      |"
echo "+----------------------------------------------------------------------------------------+"
echo
sudo make install