name: windows-artifacts

on:
  push:
    branches: [ test_artifacts, win_artifacts, release ]
  release:
    types:
      - published

permissions: read-all

jobs:
  windows-artifacts:
    permissions:
      contents: write # to fetch code and upload artifacts
    # see https://ariya.io/2020/07/on-github-actions-with-msys2
    runs-on: windows-latest
    # see https://github.com/msys2/setup-msys2
    strategy:
      matrix:
        include:
          - { msystem: mingw64, env: x86_64, ziparch: win64 }
          - { msystem: mingw32, env: i686, ziparch: win32 }
    defaults:
      run:
        shell: msys2 {0}
    steps:
    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # tag=v4.2.2
    - uses: msys2/setup-msys2@61f9e5e925871ba6c9e3e8da24ede83ea27fa91f # tag=v2.27.0
      with:
        msystem: ${{ matrix.msystem }}
        install: make p7zip git mingw-w64-${{matrix.env}}-gcc
        update: true

    - name: display versions
      run: |
        make -v
        cc -v

    - name: Building zlib to static link
      run: |
        git clone --depth 1 --branch v1.3.1 https://github.com/madler/zlib
        make -C zlib -f win32/Makefile.gcc libz.a

    - name: Building lz4 to static link
      run: |
        git clone --depth 1 --branch v1.10.0 https://github.com/lz4/lz4
        # ensure both libraries use the same version of libxxhash
        cp lib/common/xxhash.* lz4/lib
        CPPFLAGS=-DXXH_NAMESPACE=LZ4_ make -C lz4/lib liblz4.a V=1

    - name: Building zstd programs
      run: |
        CPPFLAGS="-I../zlib -I../lz4/lib" LDFLAGS=-static make -j allzstd V=1 HAVE_ZLIB=1 HAVE_LZ4=1 HAVE_LZMA=0 LDLIBS="../zlib/libz.a ../lz4/lib/liblz4.a"

    - name: Create artifacts
      run: |
        ./lib/dll/example/build_package.bat || exit 1
        mv bin/ zstd-${{ github.ref_name }}-${{matrix.ziparch}}/

    - name: Publish zstd-$VERSION-${{matrix.ziparch}}.zip for manual inspection
      uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # tag=v4.3.1
      with:
        compression-level: 9  # maximum compression
        if-no-files-found: error # defaults to `warn`
        path: ${{ github.workspace }}/zstd-${{ github.ref_name }}-${{matrix.ziparch}}/
        name: zstd-${{ github.ref_name }}-${{matrix.ziparch}}

    - name: Package artifact for upload
      run: |
        7z a -tzip -mx9 "$(cygpath -u '${{ github.workspace }}/zstd-${{ github.ref_name }}-${{ matrix.ziparch }}.zip')" "$(cygpath -u '${{ github.workspace }}/zstd-${{ github.ref_name }}-${{ matrix.ziparch }}')"

    - name: Upload release asset
      if: github.event_name == 'release'
      shell: pwsh
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        gh release upload "${{ github.ref_name }}" "$env:GITHUB_WORKSPACE/zstd-${{ github.ref_name }}-${{ matrix.ziparch }}.zip" --clobber