#!/usr/bin/env bash
#
# Fix_Xcode_Dependencies
# Martin Hrubý (hrubymar10), 2016 - 2018
# Victor Sergienko (singalen), 2018
#

starttimestamp=$(date +%s)

###Required Version Defines
sdl2_required_version="2.0.8"
sdl2_image_required_version="2.0.3"
sdl2_mixer_required_version="2.0.2"
sdl2_net_required_version="2.0.1"
sdl2_ttf_required_version="2.0.14"
growl_required_version="2.0.1"
###/Required Version Defines

###Sha256
sdl2_dmg_sha256="74dd2cb6b18e35e8181523590115f10f1da774939c21ce27768a2a80ba57ad5f"
sdl2_image_dmg_sha256="f1beefadf4dfc4f923c5cdb37d012fd94063b9c5085f492f9170e0043778db4a"
sdl2_mixer_dmg_sha256="174a371e2acdfa7ae26be71134b9925f46e5257c8c8d608f09a6726a0368606b"
sdl2_net_dmg_sha256="3a126e31b323d832be0ef4b9941fc3113b931e42a26e9bcc989487fd5348f858"
sdl2_ttf_dmg_sha256="7cdfb4239aaacfed2fd235c12f600b21b193b6ceb60b32b1cbb674fbde04e9f3"
growl_zip_sha256="f57c3beeba51738c44f1f741c008815c54352282d1085076e0ed61d6f17806a8"
###/Sha256

###Functions
brew_install() {
        local PACKAGE=$1
        if ! brew ls --versions ${PACKAGE} > /dev/null; then
                echo "==> Installing ${PACKAGE}"
                brew install ${PACKAGE}
        fi
}

framework_install() {
        local PACKAGE=$1
        local REQUIRED_VERSION=$2
        local SHA256=$3
        path="none"
        if [ -d "/Library/Frameworks/$PACKAGE.framework" ]; then
                VERSION=`defaults read /Library/Frameworks/$PACKAGE.framework/Versions/A/Resources/Info.plist CFBundleVersion`
                if [ "$VERSION" == "$REQUIRED_VERSION" ]; then
                        echo "==> Using $PACKAGE.framework from /Library/Frameworks"
                        path="/Library/Frameworks/$PACKAGE.framework"
                fi
        fi
        if [ "$path" == "none" ]; then
                if [ -d "$MY_PATH/temp/$PACKAGE.framework" ]; then
                        VERSION=`defaults read $MY_PATH/temp/$PACKAGE.framework/Versions/A/Resources/Info.plist CFBundleVersion`
                        if [ "$VERSION" == "$REQUIRED_VERSION" ]; then
                                echo "==> Using $PACKAGE.framework from temp"
                                path="$MY_PATH/temp/$PACKAGE.framework"
                        else
                                echo "==> Found old $PACKAGE.framework in temp"
                                rm -rf $PACKAGE.framework
                        fi
                fi
        fi
        if [ "$path" == "none" ]; then
                echo "==> Downloading $PACKAGE $REQUIRED_VERSION"
                if [ "$PACKAGE" != "Growl" ]; then
                        if [ -f "$PACKAGE-$REQUIRED_VERSION.dmg" ]; then
                                rm "$PACKAGE-$REQUIRED_VERSION.dmg"
                        fi
                        if [ "$PACKAGE" == "SDL2" ]; then
                                wget "https://www.libsdl.org/release/$PACKAGE-$REQUIRED_VERSION.dmg" -q --show-progress
                        else
                                wget "https://www.libsdl.org/projects/$(echo "$PACKAGE" | sed -e 's/SDL2/SDL/g')/release/$PACKAGE-$REQUIRED_VERSION.dmg" -q --show-progress
                        fi
                        if [ "$(shasum -a 256 $PACKAGE-$REQUIRED_VERSION.dmg | awk '{print $1}')" != $SHA256 ]; then
                                echo "Error: SHA256 Checksum of $PACKAGE-$REQUIRED_VERSION.dmg doesn't match!" >&2
                                exit 1
                        fi
                        hdiutil attach "$PACKAGE-$REQUIRED_VERSION.dmg" > /dev/null
                        cp -Rf /Volumes/$PACKAGE/$PACKAGE.framework $PACKAGE.framework
                        hdiutil detach /Volumes/$PACKAGE > /dev/null
                        path="$MY_PATH/temp/$PACKAGE.framework"
                else
                        if [ -f "$PACKAGE-$REQUIRED_VERSION-SDK.zip" ]; then
                                rm "$PACKAGE-$REQUIRED_VERSION-SDK.zip"
                        fi
                        wget "http://growl.cachefly.net/$PACKAGE-$REQUIRED_VERSION-SDK.zip" -q --show-progress
                        if [ "$(shasum -a 256 $PACKAGE-$REQUIRED_VERSION-SDK.zip | awk '{print $1}')" != $SHA256 ]; then
                                echo "Error: SHA256 Checksum of $PACKAGE-$REQUIRED_VERSION-SDK.zip doesn't match!" >&2
                                exit 1
                        fi
                        if [ -d "$PACKAGE-$REQUIRED_VERSION-SDK" ]; then
                                rm -rf "$PACKAGE-$REQUIRED_VERSION-SDK"
                        fi
                        unzip "$PACKAGE-$REQUIRED_VERSION-SDK.zip" > /dev/null
                        cp -Rf "$PACKAGE-$REQUIRED_VERSION-SDK/Framework/$PACKAGE.framework" Growl.framework
                        path="$MY_PATH/temp/$PACKAGE.framework"
                fi
        fi
}

edit_dylib_deps() {
        DYLIB=$1
        DEPS=$(otool -L ${DYLIB} | awk '{print $1;}' | tail -n +2)

        for DEP in $DEPS; do
                DEP_BASE=$(basename ${DEP})
                if [ "$DEP_BASE" == "$(basename $DYLIB)" ]; then
                        continue
                fi
                # Is this our redistributable file?
                if [ -f $(dirname ${DYLIB})/${DEP_BASE} ]; then
                        install_name_tool -change "${DEP}" "@loader_path/${DEP_BASE}" ${DYLIB}
                fi
        done
}

time_interval_to_string() {
        local START=$1
        local END=$2

        declare -i timestamp
        declare -i days
        declare -i hours
        declare -i minutes
        declare -i seconds
        timestamp=$END-$START

        days=$timestamp/60/60/24
        hours=$((($timestamp-($days*60*60*24))/60/60))
        minutes=$((($timestamp-($days*60*60*24)-($hours*60*60))/60))
        seconds=$((($timestamp-($days*60*60*24)-($hours*60*60)-($minutes*60))))
        if [ $days -eq 0 ]; then
        if [ $hours -eq 0 ]; then
                if [ $minutes -eq 0 ]; then
                echo "==> Operation took $seconds seconds ..."
                else
                echo "==> Operation took $minutes minutes and $seconds seconds ..."
                fi
        else
                echo "==> Operation took $hours hours $minutes minutes and $seconds seconds ..."
        fi
        else
        echo "==> Operation took $days days $hours hours $minutes minutes and $seconds seconds ..."
        fi
}
###/Functions

starttimestamp=`date +%s`

MY_PATH=$(cd `dirname $0` && pwd)
if [ -z "$MY_PATH" ] ; then
        # error; for some reason, the path is not accessible
        # to the script (e.g. permissions re-evaled after suid)
        echo 'Error: Script path is for some reason not accessible' >&2
        exit 1  # fail
fi
cd "$MY_PATH"

if ! [ -d "Wesnoth.xcodeproj" ]; then
        echo "Error: I am in bad directory! I must be in wesnoth/projectfiles/Xcode !" >&2
        exit 1
fi

if xcode-select --install 2>&1 | grep installed; then
        echo "==> Xcode Command Line Tools are installed..."
else
        echo "==> Xcode Command Line Tools aren't installed, installing..."
        xcode-select --install
fi

if ! [ -x "$(command -v brew)" ]; then
        echo 'Error: Homebrew is not installed. See https://brew.sh/' >&2
        exit 1
fi

BREW_PACKAGES="boost cairo fontconfig freetype gettext glib graphite2 harfbuzz libffi libpng openssl@1.1 pango pcre pixman readline wget"
for PACKAGE in ${BREW_PACKAGES}; do
        brew_install ${PACKAGE}
done

if [ -d "Headers" ]; then
        rm -rf Headers
fi
mkdir Headers
cd Headers
ln -s /usr/local/opt/boost/include/boost
ln -s /usr/local/opt/cairo/include/cairo
ln -s /usr/local/opt/fontconfig/include/fontconfig
ln -s /usr/local/opt/glib/include/glib-2.0
ln -s /usr/local/opt/glib/lib/glib-2.0/include/glibconfig.h
ln -s /usr/local/opt/gettext/include/libintl.h
ln -s /usr/local/opt/openssl@1.1/include/openssl
ln -s /usr/local/opt/pango/include/pango-1.0/pango
ln -s /usr/local/opt/libpng/include/libpng16/png.h
ln -s /usr/local/opt/libpng/include/libpng16/pngconf.h
ln -s /usr/local/opt/libpng/include/libpng16/pnglibconf.h
ln -s /usr/local/opt/readline/include/readline
cd ..

if ! [ -d temp ]; then
        mkdir temp
fi
cd temp
###SDL2
framework_install "SDL2" "$sdl2_required_version" "$sdl2_dmg_sha256"
sdl2_path="$path"
###/SDL2

###SDL2_image
framework_install "SDL2_image" "$sdl2_image_required_version" "$sdl2_image_dmg_sha256"
sdl2_image_path="$path"
###/SDL2_image

###SDL2_mixer
framework_install "SDL2_mixer" "$sdl2_mixer_required_version" "$sdl2_mixer_dmg_sha256"
sdl2_mixer_path="$path"
###/SDL2_mixer

###SDL2_net
framework_install "SDL2_net" "$sdl2_net_required_version" "$sdl2_net_dmg_sha256"
sdl2_net_path="$path"
###/SDL2_net

###SDL2_ttf
framework_install "SDL2_ttf" "$sdl2_ttf_required_version" "$sdl2_ttf_dmg_sha256"
sdl2_ttf_path="$path"
###/SDL2_ttf

###Growl
framework_install "Growl" "$growl_required_version" "$growl_zip_sha256"
growl_path="$path"
###/Growl
cd ..

if [ -d "lib" ]; then
        rm -rf lib
fi
mkdir lib
cd lib
cp /usr/local/opt/boost/lib/libboost_filesystem-mt.dylib /usr/local/opt/boost/lib/libboost_iostreams-mt.dylib /usr/local/opt/boost/lib/libboost_locale-mt.dylib /usr/local/opt/boost/lib/libboost_program_options-mt.dylib /usr/local/opt/boost/lib/libboost_random-mt.dylib /usr/local/opt/boost/lib/libboost_regex-mt.dylib /usr/local/opt/boost/lib/libboost_system-mt.dylib /usr/local/opt/boost/lib/libboost_thread-mt.dylib /usr/local/opt/boost/lib/libboost_unit_test_framework-mt.dylib ./
cp /usr/local/opt/cairo/lib/libcairo.2.dylib ./
cp /usr/local/opt/openssl@1.1/lib/libcrypto.1.1.dylib ./
cp /usr/local/opt/libffi/lib/libffi.6.dylib ./
cp /usr/local/opt/fontconfig/lib/libfontconfig.1.dylib ./
cp /usr/local/opt/freetype/lib/libfreetype.6.dylib ./
cp /usr/local/opt/glib/lib/libglib-2.0.0.dylib /usr/local/opt/glib/lib/libgmodule-2.0.0.dylib /usr/local/opt/glib/lib/libgobject-2.0.0.dylib ./
cp /usr/local/opt/graphite2/lib/libgraphite2.3.0.1.dylib ./libgraphite2.3.dylib
cp /usr/local/opt/glib/lib/libgthread-2.0.0.dylib ./
cp /usr/local/opt/harfbuzz/lib/libharfbuzz.0.dylib ./
cp /usr/local/opt/gettext/lib/libintl.8.dylib ./
cp /usr/local/opt/pango/lib/libpango-1.0.0.dylib /usr/local/opt/pango/lib/libpangocairo-1.0.0.dylib /usr/local/opt/pango/lib/libpangoft2-1.0.0.dylib ./
cp /usr/local/opt/pcre/lib/libpcre.1.dylib ./
cp /usr/local/opt/pixman/lib/libpixman-1.0.dylib ./
cp /usr/local/opt/libpng/lib/libpng16.16.dylib ./
cp /usr/local/opt/readline/lib/libreadline.7.0.dylib ./
chmod 755 *

for filename in * ; do
        install_name_tool -id "@executable_path/../Frameworks/$filename" "$filename"
        edit_dylib_deps $filename
done

ln -s "$sdl2_path"
ln -s "$sdl2_image_path"
ln -s "$sdl2_mixer_path"
ln -s "$sdl2_net_path"
ln -s "$sdl2_ttf_path"
ln -s "$growl_path"



echo "==> DONE ..."
echo
time_interval_to_string "$starttimestamp" "$(date +%s)"
echo