# Builder stage
FROM public.ecr.aws/amazonlinux/amazonlinux:2023 as builder

# Install necessary build tools
RUN dnf install -y wget tar gzip git cmake3 make autoconf automake which \
    libtool xz which perl-core perl-FindBin && \
    dnf clean all

# Install Zig
RUN wget https://ziglang.org/download/0.13.0/zig-linux-x86_64-0.13.0.tar.xz && \
    tar -xf zig-linux-x86_64-0.13.0.tar.xz && \
    mv zig-linux-x86_64-0.13.0 /usr/local/zig && \
    rm zig-linux-x86_64-0.13.0.tar.xz
ENV PATH="/usr/local/zig:${PATH}"

# Set up the workspace
WORKDIR /app
ADD . /app
RUN mkdir /app/dependencies

# Set Zig as the compiler with correct flags for musl
ENV CC="zig cc -target x86_64-linux-musl"
ENV CXX="zig c++ -target x86_64-linux-musl"
ENV CFLAGS="-fPIC -static"
ENV CXXFLAGS="-fPIC -static"
ENV LDFLAGS="-static"

# Build zlib
RUN cd /app/dependencies && \
    wget https://github.com/madler/zlib/archive/v1.2.13.tar.gz -O /tmp/zlib-1.2.13.tar.gz && \
	tar xzvf /tmp/zlib-1.2.13.tar.gz && \
	cd zlib-1.2.13 && \
	CFLAGS="-fPIC" ./configure --static --prefix=/usr && \
	make -j$(nproc) && \
	make install

# Build Boost
RUN cd /app/dependencies && \
    wget https://boostorg.jfrog.io/artifactory/main/release/1.81.0/source/boost_1_81_0.tar.gz && \
	tar xzvf boost_1_81_0.tar.gz && \
	cd boost_1_81_0 && \
	./bootstrap.sh && \
	./b2 install link=static cxxflags=-fPIC cflags=-fPIC

# Build Protocol Buffers
RUN cd /app/dependencies && \
    wget https://github.com/protocolbuffers/protobuf/releases/download/v3.17.3/protobuf-cpp-3.17.3.tar.gz && \
    tar xzvf protobuf-cpp-3.17.3.tar.gz && \
    cd protobuf-3.17.3 && \
    ./configure --disable-shared --enable-static --prefix=/usr --with-pic && \
    make -j$(nproc) && \
    make install

# Build OpenSSL
RUN cd /app/dependencies && \
    wget https://www.openssl.org/source/openssl-1.1.1l.tar.gz && \
    tar -xzf openssl-1.1.1l.tar.gz && \
    cd openssl-1.1.1l && \
    ./config no-shared --prefix=/usr --openssldir=/usr/lib -fPIC && \
    make -j$(nproc) && \
    make install

# Build localproxy
RUN cd /app && \
    mkdir -p build && \
    cd build && \
    cmake -DBOOST_ROOT=/usr \
          -DCMAKE_CXX_FLAGS="-target x86_64-linux-musl -static -fPIC -std=c++17" \
          -DCMAKE_EXE_LINKER_FLAGS="${LDFLAGS}" \
          -DCMAKE_STATIC_LINKER_FLAGS="${LDFLAGS}" \
          -DCMAKE_CXX_STANDARD=17 \
          -DCMAKE_CXX_STANDARD_REQUIRED=ON \
          -DCMAKE_BUILD_TYPE=Release \
          -DOPENSSL_ROOT_DIR=/usr \
          -DOPENSSL_USE_STATIC_LIBS=TRUE \
          -DCMAKE_CXX_FLAGS_INIT="-D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST" \
          .. && \
    make -j$(nproc) VERBOSE=1 && \
    strip bin/localproxy

# Deploy stage
FROM public.ecr.aws/amazonlinux/amazonlinux:2023-minimal
COPY --from=builder /app/build/bin/localproxy /usr/bin/localproxy
ENTRYPOINT ["/usr/bin/localproxy"]