# Cross-compile AND run Windows tests locally using llvm-mingw + Wine.
#
# llvm-mingw: LLVM/Clang-based MinGW toolchain
# Wine: runs the resulting .exe for actual test execution
#
# Usage:
#   docker compose -f test-infrastructure/docker-compose.yml run --rm build-windows
#   docker compose -f test-infrastructure/docker-compose.yml run --rm test-windows

FROM mstorsjo/llvm-mingw:latest

# Install Wine + binfmt support for transparent .exe execution
RUN dpkg --add-architecture i386 && \
    apt-get update && apt-get install -y --no-install-recommends \
    wine64 curl zstd \
    && rm -rf /var/lib/apt/lists/*

# Install zlib into the llvm-mingw sysroot (from MSYS2 CLANG64 repo)
RUN mkdir -p /tmp/zlib-pkg && \
    curl -sL "https://mirror.msys2.org/mingw/clang64/mingw-w64-clang-x86_64-zlib-1.3.1-1-any.pkg.tar.zst" \
    | zstd -d | tar xf - -C /tmp/zlib-pkg && \
    cp -rn /tmp/zlib-pkg/clang64/include/* /opt/llvm-mingw/x86_64-w64-mingw32/include/ && \
    cp -rn /tmp/zlib-pkg/clang64/lib/* /opt/llvm-mingw/x86_64-w64-mingw32/lib/ && \
    rm -rf /tmp/zlib-pkg

# Add Wine to PATH (Ubuntu noble puts it in /usr/lib/wine/)
ENV PATH="/usr/lib/wine:${PATH}"

# Verify all tools are installed
RUN echo "=== Tool check ===" && \
    x86_64-w64-mingw32-clang --version | head -1 && \
    x86_64-w64-mingw32-clang++ --version | head -1 && \
    make --version | head -1 && \
    ls /opt/llvm-mingw/x86_64-w64-mingw32/include/zlib.h && \
    (wine64 --version 2>/dev/null || echo "WARN: wine64 not on PATH, checking alternatives...") && \
    (which wine64 || which wine || find / -name "wine64" -type f 2>/dev/null | head -1 || echo "ERROR: wine not found") && \
    echo "=== All tools OK ==="

# Pre-init Wine to avoid first-run prompts during test
RUN WINEDEBUG=-all wine64 wineboot --init 2>/dev/null || \
    WINEDEBUG=-all wine wineboot --init 2>/dev/null || \
    echo "WARN: Wine init skipped"

WORKDIR /src

ENTRYPOINT ["/bin/bash", "-c"]

# Default: cross-compile production build
CMD ["make -j4 -f Makefile.cbm clean-c && \
     make -j4 -f Makefile.cbm cbm \
       CC=x86_64-w64-mingw32-clang \
       CXX=x86_64-w64-mingw32-clang++ \
     && echo '=== Windows cross-compile: OK ==='"]