#!/bin/bash
set -e

JPEGLI_COMMIT="031a0077f5799a6041004267fc12b956c1f52a20"
JPEGLI_HASH="269b3a75d6b2da2351f7fb2d642043f60f9b6d1bd5839f20c0d7c569be073367"
HIGHWAY_COMMIT="271a9a0ed9de1232d9117f1572c3fe28f8542ec1"
HIGHWAY_HASH="c42bcfe44d100223ea0043acb3da6de703103ca44bfb1d46b577c90939177f5f"
LIBJPEG_TURBO_COMMIT="8ecba3647edb6dd940463fedf38ca33a8e2a73d1"
LIBJPEG_TURBO_HASH="ed729127097af5000bfeddc6b3e679c4363bb1618ebfc07efb6b47f576471b4b"

PREFIX=/usr/local/lib/jpegli
WDIR=/tmp/jpegli

export DEBIAN_FRONTEND=noninteractive
apt -y -q install liblcms2-dev

mkdir -p "$WDIR"
cd "$WDIR"

wget -q -O "$WDIR/jpegli.tar.gz" "https://github.com/google/jpegli/archive/$JPEGLI_COMMIT.tar.gz"
echo "$JPEGLI_HASH $WDIR/jpegli.tar.gz" | sha256sum -c
tar zxf "$WDIR/jpegli.tar.gz" -C "$WDIR"
cd "$WDIR/jpegli-$JPEGLI_COMMIT"

wget -q -O "$WDIR/highway.tar.gz" "https://github.com/google/highway/archive/$HIGHWAY_COMMIT.tar.gz"
wget -q -O "$WDIR/libjpeg-turbo.tar.gz" "https://github.com/libjpeg-turbo/libjpeg-turbo/archive/$LIBJPEG_TURBO_COMMIT.tar.gz"
echo "$HIGHWAY_HASH $WDIR/highway.tar.gz" | sha256sum -c
echo "$LIBJPEG_TURBO_HASH $WDIR/libjpeg-turbo.tar.gz" | sha256sum -c

mkdir -p third_party/highway third_party/libjpeg-turbo
tar zxf "$WDIR/highway.tar.gz" --strip-components=1 -C third_party/highway
tar zxf "$WDIR/libjpeg-turbo.tar.gz" --strip-components=1 -C third_party/libjpeg-turbo

cmake -S . -B build -G Ninja \
  -DCMAKE_BUILD_TYPE=Release \
  -DCMAKE_INSTALL_PREFIX="$PREFIX" \
  -DCMAKE_INSTALL_LIBDIR=lib \
  -DBUILD_SHARED_LIBS=ON \
  -DBUILD_TESTING=OFF \
  -DJPEGLI_ENABLE_FUZZERS=OFF \
  -DJPEGLI_ENABLE_DEVTOOLS=OFF \
  -DJPEGLI_ENABLE_TOOLS=OFF \
  -DJPEGLI_ENABLE_JPEGLI_LIBJPEG=ON \
  -DJPEGLI_INSTALL_JPEGLI_LIBJPEG=ON \
  -DJPEGLI_ENABLE_DOXYGEN=OFF \
  -DJPEGLI_ENABLE_MANPAGES=OFF \
  -DJPEGLI_ENABLE_BENCHMARK=OFF \
  -DJPEGLI_BUNDLE_LIBPNG=OFF \
  -DJPEGLI_ENABLE_JNI=OFF \
  -DJPEGLI_ENABLE_SJPEG=OFF \
  -DJPEGLI_ENABLE_OPENEXR=OFF \
  -DJPEGLI_ENABLE_SKCMS=OFF \
  -DJPEGLI_ENABLE_TCMALLOC=OFF \
  -DJPEGLI_FORCE_SYSTEM_LCMS2=ON

cmake --build build -j"$(nproc)"
cmake --install build

mkdir -p "$PREFIX/lib/pkgconfig"
printf '%s\n' \
  'prefix=/usr/local/lib/jpegli' \
  'exec_prefix=${prefix}' \
  'libdir=${exec_prefix}/lib' \
  'includedir=${prefix}/include' \
  '' \
  'Name: libjpeg' \
  'Description: JPEGli libjpeg-compatible library' \
  'Version: 62.3.0' \
  'Libs: -L${libdir} -Wl,-rpath,${libdir} -ljpeg' \
  'Cflags: -I${includedir}' \
  > "$PREFIX/lib/pkgconfig/libjpeg.pc"

test -e "$PREFIX/lib/libjpeg.so.62"

cd "$HOME"
rm -rf "$WDIR"