ARG img_version
FROM godot-osx:${img_version}

ARG mono_version

ENV IOS_SDK=15.4

RUN dnf -y install --setopt=install_weak_deps=False \
      automake autoconf gcc gcc-c++ gcc-objc gcc-objc++ cmake libicu-devel libtool libxml2-devel openssl-devel perl python yasm && \
    git clone --progress https://github.com/tpoechtrager/cctools-port.git && \
    cd /root/cctools-port && \
    git checkout 04663295d0425abfac90a42440a7ec02d7155fea && \
    # arm64 device
    usage_examples/ios_toolchain/build.sh /root/files/iPhoneOS${IOS_SDK}.sdk.tar.xz arm64 && \
    mkdir -p /root/ioscross/arm64 && \
    mv usage_examples/ios_toolchain/target/* /root/ioscross/arm64 && \
    mkdir /root/ioscross/arm64/usr && \
    ln -s /root/ioscross/arm64/bin /root/ioscross/arm64/usr/bin && \
    # arm64 simulator
    # Disabled for now as it doesn't work with cctools-port and current LLVM:
    # Cf. https://github.com/tpoechtrager/cctools-port/issues/102
    #sed -i 's/miphoneos-version-min/mios-simulator-version-min/g' usage_examples/ios_toolchain/wrapper.c && \
    #usage_examples/ios_toolchain/build.sh /root/files/iPhoneSimulator${IOS_SDK}.sdk.tar.xz arm64 && \
    #mkdir -p /root/ioscross/arm64_sim && \
    #mv usage_examples/ios_toolchain/target/* /root/ioscross/arm64_sim && \
    #mkdir /root/ioscross/arm64_sim/usr && \
    #ln -s /root/ioscross/arm64_sim/bin /root/ioscross/arm64_sim/usr/bin && \
    # x86_64 simulator
    sed -i 's#^TRIPLE=.*#TRIPLE="x86_64-apple-darwin11"#' usage_examples/ios_toolchain/build.sh && \
    usage_examples/ios_toolchain/build.sh /root/files/iPhoneSimulator${IOS_SDK}.sdk.tar.xz x86_64 && \
    mkdir -p /root/ioscross/x86_64_sim && \
    mv usage_examples/ios_toolchain/target/* /root/ioscross/x86_64_sim && \
    mkdir /root/ioscross/x86_64_sim/usr && \
    ln -s /root/ioscross/x86_64_sim/bin /root/ioscross/x86_64_sim/usr/bin && \
    cd /root && \
    rm -rf /root/cctools-port

ENV OSXCROSS_IOS=not_nothing
ENV IOSCROSS_ROOT=/root/ioscross
ENV PATH="/root/ioscross/arm64/bin:/root/ioscross/arm64_sim/bin:/root/ioscross/x86_64_sim/bin:${PATH}"

RUN if [ -z "${mono_version}" ]; then echo -e "\n\nargument mono-version is mandatory!\n\n"; exit 1; fi && \
    cp -a /root/files/${mono_version} /root && \
    cd /root/${mono_version} && \
    cd godot-mono-builds && \
    export MONO_SOURCE_ROOT=/root/${mono_version} && \
    python3 ios.py configure -j --target=arm64 --ios-version-min 10.0 --osx-toolchain ${OSXCROSS_ROOT} \
      --ios-toolchain ${IOSCROSS_ROOT}/arm64 --ios-sdk ${IOSCROSS_ROOT}/arm64/SDK/iPhoneOS${IOS_SDK}.sdk && \
    python3 ios.py make -j --target=arm64 && \
    #python3 ios.py configure -j --target=arm64-sim --ios-version-min 10.0 --osx-toolchain ${OSXCROSS_ROOT} \
    #  --ios-toolchain ${IOSCROSS_ROOT}/arm64_sim --ios-sdk ${IOSCROSS_ROOT}/arm64_sim/SDK/iPhoneOS${IOS_SDK}.sdk && \
    #python3 ios.py make -j --target=arm64-sim && \
    python3 ios.py configure -j --target=x86_64 --ios-version-min 10.0 --osx-toolchain ${OSXCROSS_ROOT} \
      --ios-toolchain ${IOSCROSS_ROOT}/x86_64_sim --ios-sdk ${IOSCROSS_ROOT}/x86_64_sim/SDK/iPhoneOS${IOS_SDK}.sdk && \
    python3 ios.py make -j --target=x86_64 && \
    python3 bcl.py make -j --product=ios && \
    # TODO: Enable once godot-mono-builds supports osxcross for the cross-compiler.
    # It requires having a build of libclang with support for iOS arm64 + changes to the build scripts.
    #python3 ios.py configure -j --target=cross-arm64 --ios-toolchain ${IOSCROSS_ROOT}/arm64 --ios-sdk ${IOSCROSS_ROOT}/arm64/SDK/iPhoneOS${IOS_SDK}.sdk --osx-toolchain ${OSXCROSS_ROOT} && \
    #python3 ios.py make -j --target=cross-arm64 && \
    cd /root && \
    rm -rf /root/${mono_version}

# Until we can build the cross-compiler, we include a pre-made build in the container.
RUN mkdir -p /root/aot-compilers/iphone-arm64 && \
    curl -LO https://github.com/godotengine/godot-mono-builds/releases/download/release-8767196/ios-cross-arm64.zip && \
    dnf -y install --setopt=install_weak_deps=False p7zip && \
    7za e ios-cross-arm64.zip ios-cross-arm64-release/bin/aarch64-apple-darwin-mono-sgen -o/root/aot-compilers/iphone-arm64 && \
    rm ios-cross-arm64.zip

CMD /bin/bash