#!/usr/bin/env bash

set -e

sudo apt-get install -y build-essential git cmake ccache ninja-build libclang-dev libclang-11-dev libclang-12-dev patchelf \
 libglib2.0-dev libfontconfig1-dev libharfbuzz-dev libjpeg-dev libpng-dev libfreetype-dev libinput-dev libxcb-*-dev \
 libxkbcommon-dev libxkbcommon-x11-dev libxrender-dev libwayland-dev libgl1-mesa-dev libegl-dev libegl1-mesa-dev \
 libgl1-mesa-dev libssl-dev libx11-dev libx11-xcb-dev

INSTALLDIR="$HOME/deps"
NPROCS="$(getconf _NPROCESSORS_ONLN)"
SDL=SDL2-2.0.22
QT=6.3.1

mkdir -p deps-build
cd deps-build

cat > SHASUMS <<EOF
fe7cbf3127882e3fc7259a75a0cb585620272c51745d3852ab9dd87960697f2e  $SDL.tar.gz
0a64421d9c2469c2c48490a032ab91d547017c9cc171f3f8070bc31888f24e03  qtbase-everywhere-src-6.3.1.tar.xz
7b19f418e6f7b8e23344082dd04440aacf5da23c5a73980ba22ae4eba4f87df7  qtsvg-everywhere-src-6.3.1.tar.xz
c412750f2aa3beb93fce5f30517c607f55daaeb7d0407af206a8adf917e126c1  qttools-everywhere-src-6.3.1.tar.xz
d7bdd55e2908ded901dcc262157100af2a490bf04d31e32995f6d91d78dfdb97  qttranslations-everywhere-src-6.3.1.tar.xz
6f14fea2d172a5b4170be3efcb0e58535f6605b61bcd823f6d5c9d165bb8c0f0  qtwayland-everywhere-src-6.3.1.tar.xz
EOF

curl -L \
	-O "https://libsdl.org/release/$SDL.tar.gz" \
	-O "https://download.qt.io/official_releases/qt/${QT%.*}/$QT/submodules/qtbase-everywhere-src-$QT.tar.xz" \
	-O "https://download.qt.io/official_releases/qt/${QT%.*}/$QT/submodules/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 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..."
tar xf "qtbase-everywhere-src-$QT.tar.xz"
cd "qtbase-everywhere-src-$QT"
mkdir build
cd build
../configure -prefix "$INSTALLDIR" -release -no-dbus -gui -widgets -fontconfig -qt-doubleconversion -openssl-runtime -opengl desktop -qpa xcb,wayland -xkbcommon -- -DFEATURE_dbus=OFF -DFEATURE_icu=OFF -DFEATURE_printsupport=OFF -DFEATURE_sql=OFF
cmake --build . --parallel
cmake --install .
cd ../../

echo "Building Qt SVG..."
tar xf "qtsvg-everywhere-src-$QT.tar.xz"
cd "qtsvg-everywhere-src-$QT"
mkdir build
cd build
cmake -G Ninja -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DCMAKE_BUILD_TYPE=Release ..
cmake --build . --parallel
cmake --install .
cd ../../

echo "Building Qt Wayland..."
tar xf "qtwayland-everywhere-src-$QT.tar.xz"
cd "qtwayland-everywhere-src-$QT"
# Fix QML dependency on QtWayland.
patch -u src/compositor/CMakeLists.txt <<EOF
--- src/compositor/CMakeLists.bak	2022-07-21 19:15:19.469344818 +1000
+++ src/compositor/CMakeLists.txt	2022-07-21 19:15:34.948567707 +1000
@@ -46,7 +46,6 @@
         global/qtwaylandcompositorglobal.h
         global/qtwaylandqmlinclude.h
         global/qwaylandcompositorextension.cpp global/qwaylandcompositorextension.h global/qwaylandcompositorextension_p.h
-        global/qwaylandquickextension.cpp global/qwaylandquickextension.h
         global/qwaylandutils_p.h
         hardware_integration/qwlclientbufferintegration.cpp hardware_integration/qwlclientbufferintegration_p.h
         wayland_wrapper/qwlbuffermanager.cpp wayland_wrapper/qwlbuffermanager_p.h
EOF
mkdir build
cd build
cmake -G Ninja -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DCMAKE_BUILD_TYPE=Release ..
cmake --build . --parallel
cmake --install .
cd ../../

echo "Installing Qt Tools..."
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
mkdir build
cd build
cmake -G Ninja -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DCMAKE_BUILD_TYPE=Release -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
cmake --install .
cd ../../

echo "Installing Qt Translations..."
tar xf "qttranslations-everywhere-src-$QT.tar.xz"
cd "qttranslations-everywhere-src-$QT"
mkdir build
cd build
cmake -G Ninja -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DCMAKE_BUILD_TYPE=Release ..
cmake --build . --parallel
cmake --install .
cd ../../

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