mkdir -p ~/mp_build/dist
cd ~/mp_build

cat <<'EOF' > Dockerfile
FROM ubuntu:22.04
ENV DEBIAN_FRONTEND=noninteractive

# Install the graphics dependencies and mono-complete
RUN apt-get update && apt-get install -y \
    mono-complete unzip curl wget fuse libfuse2 libgdiplus \
    libx11-6 libfontconfig1 libfreetype6 libexif12 libgif7 \
    libjpeg-turbo8 libpng16-16 libtiff5 libcairo2 libxrender1 libxext6 \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /build

# 1. Fetch Mission Planner
RUN wget https://firmware.ardupilot.org/Tools/MissionPlanner/MissionPlanner-latest.zip -O mp.zip
RUN mkdir -p MP.AppDir/usr/lib/missionplanner && unzip -q mp.zip -d MP.AppDir/usr/lib/missionplanner

# 2. Extract Mono Binaries, Libraries, and Config Map
RUN mkdir -p MP.AppDir/usr/bin MP.AppDir/usr/lib MP.AppDir/usr/etc
RUN cp /usr/bin/mono MP.AppDir/usr/bin/
RUN cp -r /usr/lib/mono MP.AppDir/usr/lib/
RUN cp -r /etc/mono MP.AppDir/usr/etc/

# 3. Surgical Dependency Bundling (Graphics)
RUN GDI_PATH=$(find /usr/lib /lib -name "libgdiplus.so.0" | head -n 1) && \
    cp -L $GDI_PATH MP.AppDir/usr/lib/ && \
    ldd $GDI_PATH | grep "=> /" | awk '{print $3}' | grep -vE 'libc\.so|libm\.so|libdl\.so|libpthread\.so|librt\.so|libresolv\.so|libgcc_s\.so|libstdc\+\+\.so|ld-linux' | xargs -I '{}' cp -L '{}' MP.AppDir/usr/lib/ || true

# 4. Pull in the native Mono shims AND the missing POSIX helper
RUN find /usr/lib /lib -name "libmono-native.so*" -exec cp -L {} MP.AppDir/usr/lib/ \;
RUN find /usr/lib /lib -name "libMonoPosixHelper.so*" -exec cp -L {} MP.AppDir/usr/lib/ \;

# 5. Force Mono to map the Windows DLL request directly to our bundled Linux library
RUN printf '<configuration>\n  <dllmap dll="gdiplus.dll" target="libgdiplus.so.0"/>\n  <dllmap dll="gdiplus" target="libgdiplus.so.0"/>\n</configuration>\n' > MP.AppDir/usr/lib/missionplanner/MissionPlanner.exe.config

# 6. Create the AppRun
RUN printf '#!/bin/bash\n\
HERE="$(dirname "$(readlink -f "${0}")")"\n\
export PATH="$HERE/usr/bin:$PATH"\n\
export MONO_PATH="$HERE/usr/lib/missionplanner"\n\
export LD_LIBRARY_PATH="$HERE/usr/lib:$LD_LIBRARY_PATH"\n\
export MONO_CFG_DIR="$HERE/usr/etc"\n\
export MONO_MWF_SCALING_POLICY=none\n\
\n\
exec "$HERE/usr/bin/mono" "$HERE/usr/lib/missionplanner/MissionPlanner.exe" "$@"\n' > MP.AppDir/AppRun
RUN chmod +x MP.AppDir/AppRun

# 7. Desktop Metadata
RUN printf '[Desktop Entry]\nType=Application\nName=Mission Planner\nExec=AppRun\nIcon=missionplanner\nCategories=Engineering;\n' > MP.AppDir/missionplanner.desktop
RUN touch MP.AppDir/missionplanner.png

# 8. Package
RUN wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage -O appimagetool && chmod +x appimagetool
CMD ["/bin/bash", "-c", "./appimagetool --appimage-extract-and-run MP.AppDir MissionPlanner.AppImage && cp MissionPlanner.AppImage /dist/"]
EOF

docker build -t mp-map-builder .
docker run --rm --privileged -v "$(pwd)/dist:/dist" mp-map-builder