name: Stockfish
on:
  workflow_call:
jobs:
  Stockfish:
    name: ${{ matrix.config.name }} ${{ matrix.binaries }}
    runs-on: ${{ matrix.config.os }}
    env:
      COMPILER: ${{ matrix.config.compiler }}
      COMP: ${{ matrix.config.comp }}
      EMU: ${{ matrix.config.emu }}
      EXT: ${{ matrix.config.ext }}
      OS: ${{ matrix.config.os }}
      BINARY: ${{ matrix.binaries }}
    strategy:
      matrix:
        config:
          - name: Android NDK aarch64
            os: ubuntu-22.04
            compiler: aarch64-linux-android21-clang++
            emu: qemu-aarch64
            comp: ndk
            shell: bash
          - name: Android NDK arm
            os: ubuntu-22.04
            compiler: armv7a-linux-androideabi21-clang++
            emu: qemu-arm
            comp: ndk
            shell: bash
        binaries:
          - armv8-dotprod
          - armv8
          - armv7
          - armv7-neon
        exclude:
          - binaries: armv8-dotprod
            config: {compiler: armv7a-linux-androideabi21-clang++}
          - binaries: armv8
            config: {compiler: armv7a-linux-androideabi21-clang++}
          - binaries: armv7
            config: {compiler: aarch64-linux-android21-clang++}
          - binaries: armv7-neon
            config: {compiler: aarch64-linux-android21-clang++}
    defaults:
      run:
        working-directory: src
        shell: ${{ matrix.config.shell }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Download required linux packages
        if: runner.os == 'Linux'
        run: |
          sudo apt update
          sudo apt install qemu-user

      - name: Install NDK
        if: runner.os == 'Linux'
        run: |
          if [ $COMP == ndk ]; then
            NDKV="21.4.7075529"
            ANDROID_ROOT=/usr/local/lib/android
            ANDROID_SDK_ROOT=$ANDROID_ROOT/sdk
            SDKMANAGER=$ANDROID_SDK_ROOT/cmdline-tools/latest/bin/sdkmanager
            echo "y" | $SDKMANAGER "ndk;$NDKV"
            ANDROID_NDK_ROOT=$ANDROID_SDK_ROOT/ndk/$NDKV
            ANDROID_NDK_BIN=$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin
            echo "ANDROID_NDK_BIN=$ANDROID_NDK_BIN" >> $GITHUB_ENV
          fi

      - name: Extract the bench number from the commit history
        run: |
          for hash in $(git rev-list -100 HEAD); do
            benchref=$(git show -s $hash | tac | grep -m 1 -o -x '[[:space:]]*\b[Bb]ench[ :]\+[1-9][0-9]\{5,7\}\b[[:space:]]*' | sed 's/[^0-9]//g') && break || true
          done
          [[ -n "$benchref" ]] && echo "benchref=$benchref" >> $GITHUB_ENV && echo "From commit: $hash" && echo "Reference bench: $benchref" || echo "No bench found"

      - name: Download the used network from the fishtest framework
        run: make net

      - name: Check compiler
        run: |
          if [ $COMP == ndk ]; then
            export PATH=${{ env.ANDROID_NDK_BIN }}:$PATH
          fi
          $COMPILER -v

      - name: Test help target
        run: make help

      - name: Check git
        run: git --version

      # Compile profile guided builds

      - name: Compile ${{ matrix.binaries }} build
        run: |
          if [ $COMP == ndk ]; then
            export PATH=${{ env.ANDROID_NDK_BIN }}:$PATH
            export LDFLAGS="-static -Wno-unused-command-line-argument"
          fi
          make clean
          make -j2 profile-build ARCH=$BINARY COMP=$COMP WINE_PATH=$EMU
          make strip ARCH=$BINARY COMP=$COMP
          WINE_PATH=$EMU ../tests/signature.sh $benchref
          mv ./stockfish$EXT ../stockfish-android-$BINARY$EXT

      - name: Remove non src files
        run: rm -f *.o .depend *.nnue

      - name: Download wiki
        run: |
          git clone https://github.com/official-stockfish/Stockfish.wiki.git ../wiki
          cd ../wiki
          rm -rf .git

      - name: Create tar archive.
        run: |
          cd ..
          mkdir stockfish
          cp -r wiki stockfish/
          cp -r src stockfish/
          cp stockfish-android-$BINARY$EXT stockfish/
          cp "Top CPU Contributors.txt" stockfish/
          cp Copying.txt stockfish/
          cp AUTHORS stockfish/
          cp CITATION.cff stockfish/
          cp README.md stockfish/
          cp CONTRIBUTING.md stockfish/
          tar -cvf stockfish-android-$BINARY.tar stockfish

      - name: Upload binaries
        uses: actions/upload-artifact@v3
        with:
          name: stockfish-android-${{ matrix.binaries }}
          path: stockfish-android-${{ matrix.binaries }}.tar

      - name: Release
        if: startsWith(github.ref_name, 'sf_') && github.ref_type == 'tag'
        uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844  # @v1
        with:
          files: stockfish-android-${{ matrix.binaries }}.tar

      - name: Get last commit sha
        id: last_commit
        run: echo "COMMIT_SHA=$(git rev-parse HEAD | cut -c 1-8)" >> $GITHUB_ENV

      - name: Get commit date
        id: commit_date
        run: echo "COMMIT_DATE=$(git show -s --date=format:'%Y%m%d' --format=%cd HEAD)" >> $GITHUB_ENV

      # Make sure that an old ci which still runs on master doesn't recreate a prerelease
      - name: Check Pullable Commits
        id: check_commits
        run: |
          git fetch
          CHANGES=$(git rev-list HEAD..origin/master --count)
          echo "CHANGES=$CHANGES" >> $GITHUB_ENV

      - name: Prerelease
        if: github.ref_name == 'master' && env.CHANGES == '0'
        continue-on-error: true
        uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844  # @v1
        with:
          name: Stockfish dev-${{ env.COMMIT_DATE }}-${{ env.COMMIT_SHA }}
          tag_name: stockfish-dev-${{ env.COMMIT_DATE }}-${{ env.COMMIT_SHA }}
          prerelease: true
          files: stockfish-android-${{ matrix.binaries }}.tar