name: Build and Test Linux with older netcdf-c
on: [push, pull_request]
jobs:
  build-linux:
    name: Python (${{ matrix.python-version }})
    runs-on: ubuntu-latest
    env:
      PNETCDF_VERSION: 1.12.1
      NETCDF_VERSION: 4.7.4
      NETCDF_DIR: ${{ github.workspace }}/..
      NETCDF_EXTRA_CONFIG: --enable-pnetcdf
      #CC: mpicc.mpich
      CC: mpicc
      #NO_NET: 1
    strategy:
      matrix:
        python-version: ["3.14"]
    steps:

    - uses: actions/checkout@v6
      with:
        submodules: true

    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v6
      with:
        python-version: ${{ matrix.python-version }}

    - name: Install Ubuntu Dependencies
      run: |
        sudo apt-get update
        #sudo apt-get install mpich libmpich-dev libhdf5-mpich-dev libcurl4-openssl-dev bzip2 libsnappy-dev libblosc-dev libzstd-dev
        sudo apt-get install openmpi-common libopenmpi-dev openmpi-bin libhdf5-openmpi-dev libcurl4-openssl-dev bzip2 libsnappy-dev libblosc-dev libzstd-dev
        echo "Download and build PnetCDF version ${PNETCDF_VERSION}"
        wget https://parallel-netcdf.github.io/Release/pnetcdf-${PNETCDF_VERSION}.tar.gz
        tar -xzf pnetcdf-${PNETCDF_VERSION}.tar.gz
        pushd pnetcdf-${PNETCDF_VERSION}
        ./configure --prefix $NETCDF_DIR --enable-shared --disable-fortran --disable-cxx
        make -j 2
        sudo make install
        popd
        echo "Download and build netCDF version ${NETCDF_VERSION}"
        #wget https://downloads.unidata.ucar.edu/netcdf-c/${NETCDF_VERSION}/netcdf-c-${NETCDF_VERSION}.tar.gz
        wget https://www.gfd-dennou.org/arch/netcdf/unidata-mirror/netcdf-c-${NETCDF_VERSION}.tar.gz
        tar -xzf netcdf-c-${NETCDF_VERSION}.tar.gz
        pushd netcdf-c-${NETCDF_VERSION}
        #export CPPFLAGS="-I/usr/include/hdf5/mpich -I${NETCDF_DIR}/include"
        export CPPFLAGS="-I/usr/include/hdf5/openmpi -I${NETCDF_DIR}/include"
        export LDFLAGS="-L${NETCDF_DIR}/lib"
        #export LIBS="-lhdf5_mpich_hl -lhdf5_mpich -lm -lz"
        export LIBS="-lhdf5_openmpi_hl -lhdf5_openmpi -lm -lz"
        ./configure --prefix $NETCDF_DIR --enable-netcdf-4 --enable-shared --enable-dap --enable-parallel4 $NETCDF_EXTRA_CONFIG
        make -j 2
        sudo make install
        popd

#   - name: The job has failed
#     if: ${{ failure() }}
#     run: |
#       cd netcdf-c-${NETCDF_VERSION}
#       cat config.log 

    - name: Install python dependencies via pip
      run: |
        python -m pip install --upgrade pip
        python -m pip install numpy cython cftime pytest twine wheel check-manifest mpi4py typing-extensions

    - name: Install netcdf4-python
      run: |
        export PATH=${NETCDF_DIR}/bin:${PATH} 
        export NETCDF_PLUGIN_DIR=${{ github.workspace }}/netcdf-c-${NETCDF_VERSION}/plugins/plugindir
        python -m pip install . --no-build-isolation

    - name: Test
      run: |
        export PATH=${NETCDF_DIR}/bin:${PATH} 
        python checkversion.py
        # serial
        cd test
        python run_all.py
        # parallel (hdf5 for netcdf4, pnetcdf for netcdf3)
        cd ../examples
        #mpirun.mpich -np 4 python mpi_example.py
        mpirun -np 4 --oversubscribe python mpi_example.py 
        if [ $? -ne 0 ] ; then
          echo "hdf5 mpi test failed!"
          exit 1
        else
          echo "hdf5 mpi test passed!"
        fi
        #mpirun.mpich -np 4 python mpi_example_compressed.py
        mpirun -np 4 --oversubscribe python mpi_example_compressed.py 
        if [ $? -ne 0 ] ; then
          echo "hdf5 compressed mpi test failed!"
          exit 1
        else
          echo "hdf5 compressed mpi test passed!"
        fi
        #mpirun.mpich -np 4 python mpi_example.py NETCDF3_64BIT_DATA
        mpirun -np 4 --oversubscribe python mpi_example.py NETCDF3_64BIT_DATA
        if [ $? -ne 0 ] ; then
          echo "pnetcdf mpi test failed!"
          exit 1
        else
          echo "pnetcdf mpi test passed!"
        fi

#   - name: Tarball
#     run: |
#       export PATH=${NETCDF_DIR}/bin:${PATH} 
#       python setup.py --version  
#       check-manifest --version
#       check-manifest --verbose 
#       pip wheel . -w dist --no-deps 
#       twine check dist/* 
