name: Linux

on: [push, pull_request]

permissions:
  contents: write

jobs:
  Linux:
    runs-on: ubuntu-24.04
    steps:
    - name: Checkout repository
      uses: actions/checkout@v6
      with:
        ref: ${{ github.ref }}
        fetch-depth: 2
    - name: Checkout submodules
      run: |
        git submodule update --init --recursive
    - name: Install dependencies
      run: |
        sudo add-apt-repository -y universe
        sudo add-apt-repository -y multiverse
        sudo apt update
        sudo apt install -y gcc-13 g++-13 wget mesa-utils xvfb xauth gdb zstd \
          weston xdotool imagemagick \
          python3-gi gir1.2-atspi-2.0 at-spi2-core dbus-x11
        bash projects/linux/scripts/install_sdl3.sh --keep-build
        wget https://cdn.ensoft.dev/eepp-assets/premake-5.0.0-beta6-linux.tar.gz
        tar xvzf premake-5.0.0-beta6-linux.tar.gz
    - name: Build
      id: build
      run: |
        ./premake5 --disable-static-build --with-debug-symbols --with-backend=SDL3 gmake
        cd make/linux
        make all -j$(nproc) -e config=release_x86_64
    - name: Package development environment
      if: github.event_name == 'push'
      run: |
        {
          echo "commit=${GITHUB_SHA}"
          echo "compiler=g++-13"
          echo "configuration=release_x86_64"
          echo "platform=linux"
          echo "arch=x86_64"
          echo "sdl3=$(pkg-config --modversion sdl3)"
        } > .eepp-dev-environment

        # Preserve graphics and X11 declarations used by cached objects. Otherwise a partial
        # rebuild without system X11 headers can silently disable only part of native dragging.
        mkdir -p .eepp-dev/sysroot/include
        for include_dir in GL EGL GLES GLES2 GLES3 KHR X11; do
          if [ -d "/usr/include/$include_dir" ]; then
            cp -rL "/usr/include/$include_dir" .eepp-dev/sysroot/include/
          fi
        done

        tar \
          --exclude='.git' \
          --exclude='projects/linux/sdk' \
          --zstd \
          -cf "$RUNNER_TEMP/eepp-dev-linux-x86_64.tar.zst" \
          .

    - name: Upload development environment
      if: github.event_name == 'push'
      uses: ./.github/actions/upload-split-artifact
      with:
        archive: ${{ runner.temp }}/eepp-dev-linux-x86_64.tar.zst
        artifact_prefix: eepp-dev-linux-x86_64
        chunk_size: 64M
        retention_days: 5
        max_parts: 64
    - name: Set SDK version
      id: sdk_version
      run: |
        if [[ "$GITHUB_REF" == refs/tags/eepp-* ]]; then
          echo "version=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"
        else
          echo "version=nightly" >> "$GITHUB_OUTPUT"
        fi
    - name: Package eepp SDK
      if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
      run: |
        bash projects/scripts/package_sdk.sh linux x86_64 --strip --version ${{ steps.sdk_version.outputs.version }}
    - name: Upload SDK package
      if: always()
      uses: actions/upload-artifact@v4
      with:
        name: linux-eepp-sdk-x86_64
        path: projects/linux/sdk/eepp-sdk-*.tar.gz
    - name: Unit Tests
      id: unit_tests
      run: |
        cd projects/scripts
        bash ./run_gdb_tests.sh
    - name: Native X11 Drag and Drop Tests
      timeout-minutes: 5
      shell: bash
      run: |
        mkdir -p bin/unit_tests/output/native-dnd
        projects/scripts/xvfb-run-eepp \
          env SDL_VIDEO_DRIVER=x11 SDL_VIDEODRIVER=x11 LIBGL_ALWAYS_SOFTWARE=1 \
          bin/eepp-native-dnd-tests --automated \
          2>&1 | tee bin/unit_tests/output/native-dnd/x11.log
    - name: Native Wayland Drag and Drop Tests
      timeout-minutes: 5
      shell: bash
      run: |
        python3 projects/scripts/test-wayland-dnd.py \
          --log-dir bin/unit_tests/output/native-dnd/wayland \
          2>&1 | tee bin/unit_tests/output/native-dnd/wayland.log
    - name: Native Wayland Drag and Drop Tests (2x Scale)
      timeout-minutes: 5
      shell: bash
      run: |
        python3 projects/scripts/test-wayland-dnd.py --scale=2 \
          --log-dir bin/unit_tests/output/native-dnd/wayland-scale2 \
          2>&1 | tee bin/unit_tests/output/native-dnd/wayland-scale2.log
    - name: Inactive Benchmark Runner Tests
      run: |
        /usr/bin/python3 -m unittest discover -s projects/scripts/tests \
          -p test_benchmark_accessibility_inactive.py
    - name: Inactive Accessibility Benchmark
      timeout-minutes: 2
      run: |
        mkdir -p bin/unit_tests/output
        benchmark_exit_code=0
        # Redirect only Python's JSON, not stdout inherited by activated D-Bus services.
        env -u AT_SPI_BUS_ADDRESS dbus-run-session -- projects/scripts/xvfb-run-eepp \
          bash -c '/usr/bin/python3 projects/scripts/benchmark_accessibility_inactive.py --json \
            > bin/unit_tests/output/accessibility-inactive-benchmark.json' || benchmark_exit_code=$?
        cat bin/unit_tests/output/accessibility-inactive-benchmark.json
        exit "$benchmark_exit_code"
    - name: Native AT-SPI Regression Tests
      # A noisy performance failure must not skip correctness coverage or turn the job green.
      if: ${{ !cancelled() && steps.build.outcome == 'success' && steps.unit_tests.outcome == 'success' }}
      timeout-minutes: 2
      run: |
        mkdir -p bin/unit_tests/output
        env -u AT_SPI_BUS_ADDRESS dbus-run-session -- projects/scripts/xvfb-run-eepp \
          /usr/bin/python3 projects/scripts/test_atspi.py --hidden --close-primary \
          > bin/unit_tests/output/atspi-regressions.log
        cat bin/unit_tests/output/atspi-regressions.log
    - name: Native AT-SPI Secondary Window Tests
      if: ${{ !cancelled() && steps.build.outcome == 'success' && steps.unit_tests.outcome == 'success' }}
      # Closes a secondary window while the client stays connected; the primary must keep answering.
      timeout-minutes: 2
      run: |
        mkdir -p bin/unit_tests/output
        env -u AT_SPI_BUS_ADDRESS dbus-run-session -- projects/scripts/xvfb-run-eepp \
          /usr/bin/python3 projects/scripts/test_atspi.py --hidden --multi-window \
          > bin/unit_tests/output/atspi-multi-window.log
        cat bin/unit_tests/output/atspi-multi-window.log
    - name: Native AT-SPI Deferred Policy Tests
      if: ${{ !cancelled() && steps.build.outcome == 'success' && steps.unit_tests.outcome == 'success' }}
      # Changes policy from inside a native text request; teardown must wait for its reply.
      timeout-minutes: 2
      run: |
        mkdir -p bin/unit_tests/output
        env -u AT_SPI_BUS_ADDRESS dbus-run-session -- projects/scripts/xvfb-run-eepp \
          /usr/bin/python3 projects/scripts/test_atspi.py --hidden --policy-reset \
          > bin/unit_tests/output/atspi-deferred-policy.log
        cat bin/unit_tests/output/atspi-deferred-policy.log
    - name: AT-SPI Benchmark
      if: ${{ !cancelled() && steps.build.outcome == 'success' && steps.unit_tests.outcome == 'success' }}
      timeout-minutes: 5
      run: |
        mkdir -p bin/unit_tests/output
        env -u AT_SPI_BUS_ADDRESS dbus-run-session -- projects/scripts/xvfb-run-eepp \
          /usr/bin/python3 projects/scripts/benchmark_atspi.py --json \
          > bin/unit_tests/output/atspi-benchmark.json
        cat bin/unit_tests/output/atspi-benchmark.json
    - name: Publish nightly SDK package
      if: github.ref == 'refs/heads/develop'
      uses: softprops/action-gh-release@v3
      with:
        tag_name: ${{ steps.sdk_version.outputs.version }}
        draft: false
        prerelease: true
        generate_release_notes: false
        fail_on_unmatched_files: true
        files: |
          projects/linux/sdk/eepp-sdk-linux-x86_64-nightly.tar.gz
    - name: Publish stable release package
      if: startsWith(github.ref, 'refs/tags/eepp-')
      uses: softprops/action-gh-release@v3
      with:
        tag_name: ${{ steps.sdk_version.outputs.version }}
        draft: false
        prerelease: false
        generate_release_notes: false
        fail_on_unmatched_files: true
        files: |
          projects/linux/sdk/eepp-sdk-linux-x86_64-*.tar.gz
    - name: Upload artifacts
      if: always()
      uses: actions/upload-artifact@v4
      with:
        name: linux-test-output
        path: bin/unit_tests/output/*