#!/usr/bin/env bash

set -e

if [ "$#" -ne 1 ]; then
    echo "Syntax: $0 <output directory>"
    exit 1
fi

INSTALLDIR="$1"
NPROCS="$(getconf _NPROCESSORS_ONLN)"

LIBBACKTRACE=ad106d5fdd5d960bd33fae1c48a351af567fd075
LIBJPEG=9f
LIBPNG=1.6.43
LIBWEBP=1.3.2
SDL=SDL2-2.30.1
QT=6.6.2
ZLIB=1.3.1
ZSTD=1.5.5

mkdir -p deps-build
cd deps-build

cat > SHASUMS <<EOF
fd6f417fe9e3a071cf1424a5152d926a34c4a3c5070745470be6cf12a404ed79  $LIBBACKTRACE.zip
04705c110cb2469caa79fb71fba3d7bf834914706e9641a4589485c1f832565b  jpegsrc.v$LIBJPEG.tar.gz
6a5ca0652392a2d7c9db2ae5b40210843c0bbc081cbd410825ab00cc59f14a6c  libpng-$LIBPNG.tar.xz
2a499607df669e40258e53d0ade8035ba4ec0175244869d1025d460562aa09b4  libwebp-$LIBWEBP.tar.gz
01215ffbc8cfc4ad165ba7573750f15ddda1f971d5a66e9dcaffd37c587f473a  $SDL.tar.gz
9a93b2b7dfdac77ceba5a558a580e74667dd6fede4585b91eefb60f03b72df23  zlib-$ZLIB.tar.gz
9c4396cc829cfae319a6e2615202e82aad41372073482fce286fac78646d3ee4  zstd-$ZSTD.tar.gz
b89b426b9852a17d3e96230ab0871346574d635c7914480a2a27f98ff942677b  qtbase-everywhere-src-$QT.tar.xz
71584c9136d4983ad19fa2d017abbae57b055eb90c62a36bf3f45d6d21a87cb3  qtimageformats-everywhere-src-$QT.tar.xz
5a231d59ef1b42bfbaa5174d4ff39f8e1b4ba070ef984a70b069b4b2576d8181  qtsvg-everywhere-src-$QT.tar.xz
e6d49e9f52111287f77878ecb8b708cce682f10b03ba2476d9247603bc6c4746  qttools-everywhere-src-$QT.tar.xz
ca3ac090ef3aa12566c26b482c106f1f986c5a3444e7003f379726a550530c77  qttranslations-everywhere-src-$QT.tar.xz
9bcdd5cef7ae304e3e0435dac495367ccfb010d09f664b596ba330361941dd78  qtwayland-everywhere-src-$QT.tar.xz
EOF

curl -C - -L \
	-O "https://github.com/ianlancetaylor/libbacktrace/archive/$LIBBACKTRACE.zip" \
	-O "https://ijg.org/files/jpegsrc.v$LIBJPEG.tar.gz" \
	-O "https://downloads.sourceforge.net/project/libpng/libpng16/$LIBPNG/libpng-$LIBPNG.tar.xz" \
	-O "https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-$LIBWEBP.tar.gz" \
	-O "https://libsdl.org/release/$SDL.tar.gz" \
	-O "http://zlib.net/zlib-$ZLIB.tar.gz" \
	-O "https://github.com/facebook/zstd/releases/download/v$ZSTD/zstd-$ZSTD.tar.gz" \
	-O "https://download.qt.io/official_releases/qt/${QT%.*}/$QT/submodules/qtbase-everywhere-src-$QT.tar.xz" \
	-O "https://download.qt.io/official_releases/qt/${QT%.*}/$QT/submodules/qtimageformats-everywhere-src-$QT.tar.xz" \
	-O "https://download.qt.io/official_releases/qt/${QT%.*}/$QT/submodules/qtsvg-everywhere-src-$QT.tar.xz" \
	-O "https://download.qt.io/official_releases/qt/${QT%.*}/$QT/submodules/qttools-everywhere-src-$QT.tar.xz" \
	-O "https://download.qt.io/official_releases/qt/${QT%.*}/$QT/submodules/qttranslations-everywhere-src-$QT.tar.xz" \
	-O "https://download.qt.io/official_releases/qt/${QT%.*}/$QT/submodules/qtwayland-everywhere-src-$QT.tar.xz"

shasum -a 256 --check SHASUMS

echo "Building libbacktrace..."
rm -fr "libbacktrace-$LIBBACKTRACE"
unzip "$LIBBACKTRACE.zip"
cd "libbacktrace-$LIBBACKTRACE"
./configure --prefix="$INSTALLDIR"
make
make install
cd ..

echo "Building Zlib..."
rm -fr "zlib-$ZLIB"
tar xf "zlib-$ZLIB.tar.gz"
cd "zlib-$ZLIB"
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DZLIB_BUILD_EXAMPLES=OFF -B build -G Ninja
cmake --build build --parallel
ninja -C build install
cd ..

echo "Building libpng..."
rm -fr "libpng-$LIBPNG"
tar xf "libpng-$LIBPNG.tar.xz"
cd "libpng-$LIBPNG"
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DBUILD_SHARED_LIBS=ON -DPNG_TESTS=OFF -DPNG_STATIC=OFF -DPNG_SHARED=ON -DPNG_TOOLS=OFF -B build -G Ninja
cmake --build build --parallel
ninja -C build install
cd ..

echo "Building libjpeg..."
rm -fr "jpeg-$LIBJPEG"
tar xf "jpegsrc.v$LIBJPEG.tar.gz"
cd "jpeg-$LIBJPEG"
mkdir build
cd build
../configure --prefix="$INSTALLDIR" --disable-static --enable-shared
make "-j$NPROCS"
make install
cd ../..

echo "Building Zstandard..."
rm -fr "zstd-$ZSTD"
tar xf "zstd-$ZSTD.tar.gz"
cd "zstd-$ZSTD"
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DZSTD_BUILD_SHARED=ON -DZSTD_BUILD_STATIC=OFF -DZSTD_BUILD_PROGRAMS=OFF -B build -G Ninja build/cmake
cmake --build build --parallel
ninja -C build install
cd ..

echo "Building WebP..."
rm -fr "libwebp-$LIBWEBP"
tar xf "libwebp-$LIBWEBP.tar.gz"
cd "libwebp-$LIBWEBP"
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -B build -G Ninja \
  -DWEBP_BUILD_ANIM_UTILS=OFF -DWEBP_BUILD_CWEBP=OFF -DWEBP_BUILD_DWEBP=OFF -DWEBP_BUILD_GIF2WEBP=OFF -DWEBP_BUILD_IMG2WEBP=OFF \
  -DWEBP_BUILD_VWEBP=OFF -DWEBP_BUILD_WEBPINFO=OFF -DWEBP_BUILD_WEBPMUX=OFF -DWEBP_BUILD_EXTRAS=OFF -DBUILD_SHARED_LIBS=ON
cmake --build build --parallel
ninja -C build install
cd ..

echo "Building SDL..."
rm -fr "$SDL"
tar xf "$SDL.tar.gz"
cd "$SDL"
./configure --prefix "$INSTALLDIR" --disable-dbus --without-x --disable-video-opengl --disable-video-opengles --disable-video-vulkan --disable-wayland-shared --disable-ime --disable-oss --disable-alsa --disable-jack --disable-esd --disable-pipewire --disable-pulseaudio --disable-arts --disable-nas --disable-sndio --disable-fusionsound --disable-diskaudio
make "-j$NPROCS"
make install
cd ..

# Couple notes:
# -fontconfig is needed otherwise Qt Widgets render only boxes.
# -qt-doubleconversion avoids a dependency on libdouble-conversion.
# ICU avoids pulling in a bunch of large libraries, and hopefully we can get away without it.
# OpenGL is needed to render window decorations in Wayland, apparently.
echo "Building Qt Base..."
rm -fr "qtbase-everywhere-src-$QT"
tar xf "qtbase-everywhere-src-$QT.tar.xz"
cd "qtbase-everywhere-src-$QT"
mkdir build
cd build
../configure -prefix "$INSTALLDIR" -release -dbus-linked -gui -widgets -fontconfig -qt-doubleconversion -ssl -openssl-runtime -opengl desktop -qpa xcb,wayland -xkbcommon -- -DFEATURE_dbus=ON -DFEATURE_icu=OFF -DFEATURE_printsupport=OFF -DFEATURE_sql=OFF -DFEATURE_system_png=ON -DFEATURE_system_jpeg=ON -DFEATURE_system_zlib=ON
cmake --build . --parallel
ninja install
cd ../../

echo "Building Qt SVG..."
rm -fr "qtsvg-everywhere-src-$QT"
tar xf "qtsvg-everywhere-src-$QT.tar.xz"
cd "qtsvg-everywhere-src-$QT"
mkdir build
cd build
"$INSTALLDIR/bin/qt-configure-module" .. -- -DCMAKE_PREFIX_PATH="$INSTALLDIR"
cmake --build . --parallel
ninja install
cd ../../

echo "Building Qt Image Formats..."
rm -fr "qtimageformats-everywhere-src-$QT"
tar xf "qtimageformats-everywhere-src-$QT.tar.xz"
cd "qtimageformats-everywhere-src-$QT"
mkdir build
cd build
"$INSTALLDIR/bin/qt-configure-module" .. -- -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DFEATURE_system_webp=ON
cmake --build . --parallel
ninja install
cd ../../

echo "Building Qt Wayland..."
rm -fr "qtwayland-everywhere-src-$QT"
tar xf "qtwayland-everywhere-src-$QT.tar.xz"
cd "qtwayland-everywhere-src-$QT"
mkdir build
cd build
"$INSTALLDIR/bin/qt-configure-module" .. -- -DCMAKE_PREFIX_PATH="$INSTALLDIR"
cmake --build . --parallel
ninja install
cd ../../

echo "Installing Qt Tools..."
rm -fr "qttools-everywhere-src-$QT"
tar xf "qttools-everywhere-src-$QT.tar.xz"
cd "qttools-everywhere-src-$QT"
# From Mac build-dependencies.sh:
# Linguist relies on a library in the Designer target, which takes 5-7 minutes to build on the CI
# Avoid it by not building Linguist, since we only need the tools that come with it
patch -u src/linguist/CMakeLists.txt <<EOF
--- src/linguist/CMakeLists.txt
+++ src/linguist/CMakeLists.txt
@@ -14,7 +14,7 @@
 add_subdirectory(lrelease-pro)
 add_subdirectory(lupdate)
 add_subdirectory(lupdate-pro)
-if(QT_FEATURE_process AND QT_FEATURE_pushbutton AND QT_FEATURE_toolbutton AND TARGET Qt::Widgets AND NOT no-png)
+if(QT_FEATURE_process AND QT_FEATURE_pushbutton AND QT_FEATURE_toolbutton AND TARGET Qt::Widgets AND TARGET Qt::PrintSupport AND NOT no-png)
     add_subdirectory(linguist)
 endif()
EOF

# Also force disable clang scanning, it gets very confused.
patch -u configure.cmake <<EOF
--- configure.cmake
+++ configure.cmake
@@ -14,12 +14,12 @@
 # Presumably because 6.0 ClangConfig.cmake files are not good enough?
 # In any case explicitly request a minimum version of 8.x for now, otherwise
 # building with CMake will fail at compilation time.
-qt_find_package(WrapLibClang 8 PROVIDED_TARGETS WrapLibClang::WrapLibClang)
+#qt_find_package(WrapLibClang 8 PROVIDED_TARGETS WrapLibClang::WrapLibClang)
 # special case end

-if(TARGET WrapLibClang::WrapLibClang)
-    set(TEST_libclang "ON" CACHE BOOL "Required libclang version found." FORCE)
-endif()
+#if(TARGET WrapLibClang::WrapLibClang)
+#    set(TEST_libclang "ON" CACHE BOOL "Required libclang version found." FORCE)
+#endif()



EOF

mkdir build
cd build
"$INSTALLDIR/bin/qt-configure-module" .. -- -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DFEATURE_assistant=OFF -DFEATURE_clang=OFF -DFEATURE_designer=OFF -DFEATURE_kmap2qmap=OFF -DFEATURE_pixeltool=OFF -DFEATURE_pkg_config=OFF -DFEATURE_qev=OFF -DFEATURE_qtattributionsscanner=OFF -DFEATURE_qtdiag=OFF -DFEATURE_qtplugininfo=OFF
cmake --build . --parallel
ninja install
cd ../../

echo "Installing Qt Translations..."
rm -fr "qttranslations-everywhere-src-$QT"
tar xf "qttranslations-everywhere-src-$QT.tar.xz"
cd "qttranslations-everywhere-src-$QT"
mkdir build
cd build
"$INSTALLDIR/bin/qt-configure-module" .. -- -DCMAKE_PREFIX_PATH="$INSTALLDIR"
cmake --build . --parallel
ninja install
cd ../../

echo "Cleaning up..."
cd ..
rm -r deps-build