#!/bin/bash
zigbuild=zig-linux-x86_64-0.11.0-dev.514+4be1bb4aa.tar.xz
zigversion=$(echo $zigbuild | cut -d '-' -f 4)
if [ -e toolchain-zig ] ; then
        echo "ERROR: A toolchain-zig directory already exists, aborting install"
        exit 1
fi
parentdir=$(pwd)
mkdir -p toolchain-zig toolchain-zig-dl
cd toolchain-zig

# Zig install
if [ ! -e ../toolchain-zig-dl/$zigbuild ] ; then
        (cd ../toolchain-zig-dl && wget https://ziglang.org/builds/$zigbuild)
fi
xz -dc <../toolchain-zig-dl/$zigbuild | tar -xvf -
ln -s ${zigbuild/.tar.xz/} zig-$zigversion
cat > env.sh  <<'EOF'
#!/bin/bash
echo "Reminder: this script has to be used with source (.) instead of exec"
EOF
echo "export PATH=\$PATH:$parentdir/toolchain-zig/zig-$zigversion" >> env.sh
chmod 755 env.sh
# Convenience scripts
cat > compile.sh  <<EOF
#!/bin/bash
if [ "m\$2" = "m--help" ] ; then
        echo "Syntax: \$0 source.c -c -o result.o [flags]"
        exit 1
fi
. "$parentdir/toolchain-zig/env.sh" >/dev/null
exec zig cc "-I$parentdir/toolchain-zig/windows-msys2-mingw/include/" "-I$parentdir/toolchain-zig/windows-msys2-mingw/include/w32api/" "-I$parentdir/toolchain-zig/windows-msys2-mingw/include/SDL2" "-I$parentdir/toolchain-zig/windows-msys2-mingw/include/SDL" "\$@" -target x86_64-windows-gnu
EOF
chmod 755 compile.sh
cat > compile-cpp.sh  <<EOF
#!/bin/bash
if [ "m$2" = "m--help" ] ; then
        echo "Syntax: $0 source.cpp -c -o result.o [flags]"
        exit 1
fi
. "$parentdir/toolchain-zig/env.sh" >/dev/null
exec zig c++ "-I$parentdir/toolchain-zig/windows-msys2-mingw/include/" "-I$parentdir/toolchain-zig/windows-msys2-mingw/include/w32api/" "-I$parentdir/toolchain-zig/windows-msys2-mingw/include/SDL2" "-I$parentdir/toolchain-zig/windows-msys2-mingw/include/SDL" "\$@" -target x86_64-windows-gnu
EOF
chmod 755 compile-cpp.sh

cat > link.sh  <<EOF
#!/bin/bash
tmpicon=0
if [ "m\$1" = "m-icon" ] ; then
        shift
        icon="\$1"
        shift
else
        tmpicon=1
        icon=\$(mktemp -p . --suffix=.png)
        convert -size 256x256 xc:white \$icon
fi
if [ "\${icon/.png/}" = "\$icon" ] || [ "\${1/.exe/}" = "\$1" ] || [ ! -e "\$2" ] ; then
        echo "Syntax: \$0 [-icon myicon.png] result.exe source1.o [source2.o [...]"
        if [ \$tmpicon -eq 1 ] ; then rm "\$icon" ; fi
        exit 1
fi
. "$parentdir/toolchain-zig/env.sh" >/dev/null
name="\${1/.exe/}"
shift
convert "\$icon" "\${icon/.png/-buildiconobject.ico}" && \
 echo "1 ICON \"\${icon/.png/-buildiconobject.ico}\"" > "\${icon/.png/-buildiconobject.rc}" && \
 x86_64-w64-mingw32-windres --preprocessor /usr/bin/cpp "\${icon/.png/-buildiconobject.rc}" "\${icon/.png/-buildiconobject.o}" && \
 zig build-exe --subsystem windows "\$@" \${icon/.png/-buildiconobject.o} -L$parentdir/toolchain-zig/windows-msys2-mingw/lib/ -L$parentdir/toolchain-zig/windows-msys2-mingw/lib/w32api -lgdi32 -lwinmm -lsetupapi -lmincore -lwindowsapp -limm32 -lversion -lgraphite2 -lpng -lbrotlidec -lbrotlicommon -lharfbuzz -lstdc++ -lbz2 -lz --name \$name -target x86_64-windows-gnu && if [ -e "\${name}.lib" ] ; then rm "\${name}.lib" ; fi ; rm "\${name}.pdb"
res=\$?
rm "\${icon/.png/-buildiconobject.ico}" "\${icon/.png/-buildiconobject.rc}" "\${icon/.png/-buildiconobject.o}"
if [ \$tmpicon -eq 1 ] ; then rm "\$icon" ; fi
exit \$res
EOF
chmod 755 link.sh
# msys2 install
mkdir -p windows-msys2-mingw
cat > deps.txt <<'EOF'
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-aom-3.5.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-brotli-1.0.9-5-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-bzip2-1.0.8-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-ca-certificates-20211016-3-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-dav1d-1.0.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-expat-2.5.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-flac-1.4.2-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-fluidsynth-2.3.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-gcc-libs-12.2.0-6-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-gettext-0.21-3-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-giflib-5.2.1-3-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-glib2-2.74.3-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-gmp-6.2.1-3-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-graphite2-1.3.14-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-harfbuzz-5.3.1-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-highway-1.0.2-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-imath-3.1.6-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-jbigkit-2.1-4-any.pkg.tar.xz
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-lcms2-2.14-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-lerc-4.0.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libavif-0.11.1-3-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libdeflate-1.15-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libffi-3.4.4-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libiconv-1.17-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libjpeg-turbo-2.1.4-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libjxl-0.7.0-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libmodplug-0.8.9.0-4-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libogg-1.3.5-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libpng-1.6.39-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libsndfile-1.1.0-3-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libsystre-1.0.1-4-any.pkg.tar.xz
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libtasn1-4.19.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libtiff-4.4.0-6-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libtre-git-r128.6fb7206-2-any.pkg.tar.xz
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libvorbis-1.3.7-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libwebp-1.2.4-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libwinpthread-git-10.0.0.r157.gd295924f0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-libyuv-1844.r2374.f9fda6e7-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-mpc-1.2.1-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-mpdecimal-2.5.1-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-mpfr-4.1.0.p13-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-mpg123-1.31.1-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-ncurses-6.3-6-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-openexr-3.1.5-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-openssl-1.1.1.s-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-opus-1.3.1-5-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-opusfile-0.12-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-p11-kit-0.24.1-3-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-pcre2-10.40-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-portaudio-1~19.7.0-4-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-python-3.10.8-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-rav1e-0.6.1-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-SDL2-2.26.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-SDL2_image-2.6.2-3-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-SDL2_mixer-2.6.2-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-SDL2_ttf-2.20.1-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-sqlite3-3.40.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-svt-av1-1.3.0-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-tcl-8.6.12-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-tzdata-2022g-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-vulkan-headers-1.3.236-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-vulkan-loader-1.3.236-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-wineditline-2.205-3-any.pkg.tar.xz
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-xz-5.2.9-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-zlib-1.2.13-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-zstd-1.5.2-2-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-winpthreads-git-12.0.0.r351.gcdf6b16b8-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-cmake-3.30.5-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-ninja-1.12.1-1-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-pkg-config-0.29.2-6-any.pkg.tar.zst
https://mirror.msys2.org/mingw/mingw64/mingw-w64-x86_64-raylib-5.5-1-any.pkg.tar.zst
https://mirror.msys2.org/msys/x86_64/msys2-w32api-headers-10.0.0.r16.g49a56d453-1-x86_64.pkg.tar.zst
https://mirror.msys2.org/msys/x86_64/msys2-w32api-runtime-10.0.0.r16.g49a56d453-1-x86_64.pkg.tar.zst
https://mirror.msys2.org/msys/x86_64/perl-5.38.2-2-x86_64.pkg.tar.zst
EOF
for dep in  $(cat deps.txt) ; do
	i=$(basename $dep)
        if [ ! -e ../toolchain-zig-dl/$i ] ; then
		(cd ../toolchain-zig-dl && wget $dep)
        fi
	if echo "$i" | grep "\.zst\$" >/dev/null && [ -e ../toolchain-zig-dl/$i ] ; then
         ( mkdir -p t ; cd t ; cat ../../toolchain-zig-dl/$i | zstd -dc | tar -xvf - ; find . -maxdepth 1 -type d  -print | grep -v "^\.\$" | while read l ; do
          (cd $l && tar -cf - . | (cd $parentdir/toolchain-zig/windows-msys2-mingw && tar -xvf - ) ) ; done ) ; rm -rf t
	fi
	if echo "$i" | grep "\.xz\$" >/dev/null && [ -e ../toolchain-zig-dl/$i ] ; then
         ( mkdir -p t ; cd t ; cat ../../toolchain-zig-dl/$i | xz -dc | tar -xvf - ; find . -maxdepth 1 -type d  -print | grep -v "^\.\$" | while read l ; do
         (cd $l && tar -cf - . | (cd $parentdir/toolchain-zig/windows-msys2-mingw && tar -xvf - ) ) ; done ) ; rm -rf t
	fi 
done
cat > add-zst.sh <<'EOF'
#!/bin/bash
if [ "m$1" == "m" ] || [ "m$1" == "m--help" ] || [ ! -f "$1" ] ; then
        echo "Syntax: $0 filename.pkg.tar.zst"
        exit 0
fi
i="$1"
( mkdir -p t ; cd t ; cat ../$i | zstd -dc | tar -xvf - ; find . -maxdepth 1 -type d  -print | grep -v "^\.\$" | while read l ; do
EOF
echo " (cd \$l && tar -cf - . | (cd $parentdir/toolchain-zig/windows-msys2-mingw && tar -xvf - ) ) ; done ) ; rm -rf t " >> add-zst.sh
cat > add-xz.sh <<'EOF'
#!/bin/bash
if [ "m$1" == "m" ] || [ "m$1" == "m--help" ] || [ ! -f "$1" ] ; then
        echo "Syntax: $0 filename.pkg.tar.xz"
        exit 0
fi
i="$1"
( mkdir -p t ; cd t ; cat ../$i | xz -dc | tar -xvf - ; find . -maxdepth 1 -type d  -print | grep -v "^\.\$" | while read l ; do
EOF
echo " (cd $l && tar -cf - . | (cd $parentdir/toolchain-zig/windows-msys2-mingw && tar -xvf - ) ) ; done ) ; rm -rf t " >> add-xz.sh
chmod a+x add-xz.sh add-zst.sh
cd ..
# Check for windres
if ! which x86_64-w64-mingw32-windres >/dev/null 2>/dev/null; then
        echo "Please, install windres manually using your distribution, i.e.:" >> tooldchain-zig/error.log
        echo "sudo apt-get install binutils-mingw-w64-x86-64" >> tooldchain-zig/error.log
fi
if ! which convert >/dev/null 2>/dev/null; then
        echo "Please, install imagemagick manually using your distribution, i.e.:" >> tooldchain-zig/error.log
        echo "sudo apt-get install imagemagick" >> tooldchain-zig/error.log
fi
# Success message
echo ""
echo "Installation complete."
echo "To use the zig toolchain, first include env.sh with \". toolchain-zig/env.sh\""
echo "( alternative: use toolchain-zig/compile.sh and toolchain-zig/link.sh )"