developer-guide-docs.yml

name: Build Developer Guide Docs

on:
  pull_request:
    paths:
      - 'scripts/ci/retry.sh'
      - 'docs/developer-guide/**'
      - 'docs/demos/**'
      - 'scripts/developer-guide/**'
      # The Wayline chapters include the sample's own sources by tag, so moving
      # or deleting a tagged region there changes the guide without touching
      # docs/. Only the trigger, not the `docs` filter below: the Asciidoctor
      # lint runs on every trigger and fails on a tag it cannot find, and the
      # sample itself is compiled and tested by wayline.yml, so the demo build
      # and the figure render have nothing to add for it.
      - 'scripts/wayline/**'
      # The Savor and Parley chapters, the same way; savor.yml and parley.yml
      # compile and test the samples.
      - 'scripts/savor/**'
      - 'scripts/skirmish/**'
      - 'scripts/parley/**'
      # The API-name check derives the published pages from the javadoc's own
      # sources, and the guide links into the java.* compatibility classes --
      # java/util/List.html among them. A change that renames or deletes one
      # of those without touching docs/ would otherwise skip this job and
      # leave a dead link behind.
      - 'Ports/CLDC11/**'
      # And the script that decides what javadoc publishes at all. The check
      # mirrors its source roots, its excluded package and its -protected
      # setting, so a change to any of those moves which links are alive
      # without touching a page.
      - '.github/scripts/build_javadocs.sh'
      - '.github/workflows/developer-guide-docs.yml'
      # The build hint table is rendered rather than committed, so a change to
      # anything it is rendered FROM changes what this guide contains without
      # touching a single file under docs/. While the table was checked in that
      # edit showed up as a docs diff and triggered this workflow for free;
      # generating it on the fly took that away, and a malformed table would then
      # have merged and surfaced in the release documentation build.
      #
      # All four inputs, not just the catalog: the annotations are the source of
      # truth for the hints they expose and their prose goes straight into the
      # Description column, and build-hint-tools is the renderer itself.
      - 'CodenameOne/src/com/codename1/annotations/buildhints/**'
      - 'maven/build-hint-catalog/**'
      - 'maven/build-hint-tools/**'
      - 'scripts/gen-build-hint-table.sh'
      # The themed figures are rendered against the compiled native themes, so
      # what those themes look like is an input to this guide exactly the way the
      # build hint sources above are. build-native-themes.sh compiles
      # native-themes/<name>/theme.css with maven/css-compiler through its
      # command line in maven/css-cli, so a change to any of them changes the
      # pictures without touching docs/ at all -- and the committed figures
      # would then go stale silently until some later run failed against them.
      - 'native-themes/**'
      - 'maven/css-compiler/**'
      - 'maven/css-cli/**'
      - 'scripts/build-native-themes.sh'
      # The figures are rendered by the framework itself, so a change to how a
      # component paints, how a layout measures, or how the JavaSE port
      # rasterizes changes every generated PNG without touching docs/ at all.
      # The comparison is byte-exact, so without these the committed figures go
      # stale silently and some later docs or release build is the one that
      # fails.
      - 'CodenameOne/**'
      - 'Ports/JavaSE/**'
      - 'maven/core/**'
      - 'maven/javase/**'
  release:
    types: [published]
  workflow_dispatch:

concurrency:
  # Only the latest revision needs validation. PR numbers keep forks isolated;
  # event names keep a manual/scheduled run from cancelling a push or PR run.
  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  build:
    runs-on: ubuntu-24.04
    permissions:
      contents: write
      issues: write
      pull-requests: write
      actions: read
    steps:
      - name: Check out repository
        uses: actions/checkout@v6

      - name: Determine changed components
        id: changes
        if: github.event_name == 'pull_request'
        uses: dorny/paths-filter@v3
        with:
          filters: |
            demos:
              - 'docs/demos/**'
              - '.github/workflows/developer-guide-docs.yml'
            docs:
              - 'docs/developer-guide/**'
              - 'docs/demos/common/src/main/snippets/**'
              # The whole directory, not two named files. on.pull_request.paths
              # already triggers on scripts/developer-guide/**, so a change to any
              # other script here started the workflow while leaving this filter
              # false -- which skipped the very steps that script governs. A
              # change to compare-screenshots.py could have merged without the
              # screenshot check ever running it.
              - 'scripts/developer-guide/**'
              - '.github/workflows/developer-guide-docs.yml'
              # Triggering the workflow is not enough on its own: the HTML and PDF
              # build and the steps beside it are gated on this filter, so the
              # SAME four inputs listed under on.pull_request.paths have to
              # satisfy it too. Two copies of one list, and they had already
              # drifted from what the table is actually rendered from.
              - 'CodenameOne/src/com/codename1/annotations/buildhints/**'
              - 'maven/build-hint-catalog/**'
              - 'maven/build-hint-tools/**'
              - 'scripts/gen-build-hint-table.sh'
              # Same two-copies-of-one-list problem as the build hint inputs:
              # triggering the workflow is not enough, because the figure
              # comparison step is gated on this filter too.
              - 'native-themes/**'
              - 'maven/css-compiler/**'
              - 'maven/css-cli/**'
              - 'scripts/build-native-themes.sh'
              # Same reason, and the same two-lists rule: the figure comparison
              # step is gated on this filter as well as on the trigger.
              - 'CodenameOne/**'
              - 'Ports/JavaSE/**'
              - 'maven/core/**'
              - 'maven/javase/**'
              # The Wayline, Savor and Parley chapters include these trees by tag, so a
              # renamed or deleted tag there has to reach the snippet check.
              - 'scripts/wayline/**'
              - 'scripts/savor/**'
              - 'scripts/skirmish/**'
              - 'scripts/parley/**'
            workflow:
              - '.github/workflows/developer-guide-docs.yml'

      - name: Set up Java
        uses: actions/setup-java@v5
        with:
          distribution: 'temurin'
          java-version: '17'

      # Before anything that reads the guide. The build hint table is rendered
      # from maven/build-hint-catalog rather than checked in, so the lint, the
      # image and snippet checks, the HTML and PDF build and Vale all need it on
      # disk -- and asciidoctor reports a missing include as an error, so getting
      # this order wrong fails loudly rather than dropping the table quietly.
      # Unconditional, because every one of those steps is not.
      - name: Render the build hint table
        run: scripts/gen-build-hint-table.sh

      # The javase jar carries iOSModernTheme.res and AndroidMaterialTheme.res,
      # which the figure renderer installs. They are copied in from Themes/ by an
      # antrun step with failonerror=false, so if they have not been compiled the
      # copy fails open and the jar ships without them -- and the renderer then
      # dies on a theme resource that is simply absent. Compiling them first is
      # what run-javase-simulator-integration-tests.sh already does, for the same
      # reason.
      - name: Compile the native themes
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: ./scripts/build-native-themes.sh

      - name: Install local Codename One Maven artifacts
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          # Through retry.sh, transient failures only, like the demo install below:
          # this is the step that resolves the most from Central, and a single 502
          # on a plugin dependency (maven-shared-utils) failed the whole guide build.
          # dart-runtime and flutter-runtime: docs/demos/common depends on the Flutter
          # runtime at this version, which nothing else selected here pulls in; they are
          # in the reactor because this job runs on JDK 17 (the flutter-modules profile).
          RETRY_ONLY_MATCHING=transient xvfb-run -a bash scripts/ci/retry.sh mvn -B -ntp -f maven/pom.xml \
            -pl core,javase,android,css-compiler,codenameone-maven-plugin,backend,backend-test,dart-runtime,flutter-runtime \
            -am install \
            -Plocal-dev-javase \
            -DskipTests \
            -Dmaven.javadoc.skip=true \
            -Dmaven.source.skip=true \
            -Dspotbugs.skip=true \
            -Dpmd.skip=true \
            -Dcheckstyle.skip=true

      - name: Build Codename One demos
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          mkdir -p "$HOME/.codenameone"
          touch "$HOME/.codenameone/guibuilder.jar"
          cp maven/CodeNameOneBuildClient.jar "$HOME/.codenameone/CodeNameOneBuildClient.jar"
          # No virtual display: process-classes compiles each demo's CSS, which
          # is headless. The screenshot generator below is the step that needs one.
          mvn -B -ntp -Dgenerate-gui-sources-done=true -Dcodename1.platform=javase -f docs/demos/pom.xml process-classes

      - name: Install demo common module for screenshot generation
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          bash $GITHUB_WORKSPACE/scripts/ci/retry.sh mvn -B -ntp \
            -Dgenerate-gui-sources-done=true \
            -Dcodename1.platform=javase \
            -f docs/demos/pom.xml \
            -pl common \
            -am \
            install \
            -DskipTests

      - name: Verify generated developer guide figures are current
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          GENERATED_DIR="$RUNNER_TEMP/pre-advanced-theming-screenshots"
          echo "GUIDE_GENERATED_SCREENSHOTS=$GENERATED_DIR" >> "$GITHUB_ENV"
          rm -rf "$GENERATED_DIR"
          mkdir -p "$GENERATED_DIR"
          xvfb-run -a mvn -B -ntp \
            -Dgenerate-gui-sources-done=true \
            -Dcodename1.platform=javase \
            -f docs/demos/javase/pom.xml \
            -P guide-screenshot-generator \
            -Dguide.screenshot.output="$GENERATED_DIR" \
            verify
          pip install --user --quiet Pillow
          # Byte equality is still the rule; a figure only gets a bounded
          # difference if it carries a .tolerance sidecar saying why.
          python3 scripts/developer-guide/compare-screenshots.py \
            --generated "$GENERATED_DIR" \
            --committed docs/developer-guide/img/generated

      # When the byte compare fails, the message names the file but not what it
      # actually rendered, which leaves no way to tell a real regression from an
      # environment difference. Publishing what this runner produced makes the
      # two distinguishable without adding a debugging round trip to CI.
      - name: Upload generated screenshots when they do not match
        if: failure() && env.GUIDE_GENERATED_SCREENSHOTS != ''
        uses: actions/upload-artifact@v7
        with:
          name: guide-generated-screenshots
          path: ${{ env.GUIDE_GENERATED_SCREENSHOTS }}
          if-no-files-found: warn

      - name: Verify developer guide images are referenced
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          python3 scripts/developer-guide/find_unused_images.py docs/developer-guide

      - name: Compile Android demo sources
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          scripts/developer-guide/compile-android-demo-sources.sh

      - name: Validate developer guide snippets
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          python3 scripts/developer-guide/validate-guide-snippets.py

      - name: Determine publication metadata
        run: |
          set -euo pipefail
          REV_DATE="$(date -u +%Y-%m-%d)"
          VERSION="${GITHUB_HEAD_REF:-}"
          if [ -z "$VERSION" ] && [ -n "${GITHUB_REF_NAME:-}" ]; then
            VERSION="$GITHUB_REF_NAME"
          fi
          if [ -z "$VERSION" ] && [ -n "${GITHUB_SHA:-}" ]; then
            VERSION="${GITHUB_SHA:0:7}"
          fi
          VERSION="${VERSION#v}"
          if [ -z "$VERSION" ]; then
            VERSION="UNKNOWN"
          fi
          if date -u -d "$REV_DATE" '+%B %-d, %Y' >/tmp/rev_human 2>/dev/null; then
            REV_HUMAN_DATE="$(cat /tmp/rev_human)"
          else
            REV_HUMAN_DATE="$(date -u '+%B %-d, %Y')"
          fi
          echo "Developer guide workflow metadata:" >&2
          echo "  REV_DATE=$REV_DATE" >&2
          echo "  REV_NUMBER=$VERSION" >&2
          echo "  REV_HUMAN_DATE=$REV_HUMAN_DATE" >&2
          {
            echo "REV_DATE=$REV_DATE"
            echo "REV_NUMBER=$VERSION"
            echo "REV_HUMAN_DATE=$REV_HUMAN_DATE"
          } >> "$GITHUB_ENV"

      - name: Determine Codename One release version
        run: |
          set -euo pipefail
          VERSION="$(python3 scripts/developer-guide/determine_release_version.py)"
          if [ -z "$VERSION" ]; then
            echo "Unable to determine Codename One release version" >&2
            exit 1
          fi
          echo "Using Codename One release version: $VERSION" >&2
          {
            echo "CN1_RELEASE_VERSION=$VERSION"
            echo "CN1_PLUGIN_RELEASE_VERSION=$VERSION"
          } >> "$GITHUB_ENV"

      - name: Render publication cover artwork
        run: |
          set -euo pipefail
          bash scripts/ci/apt-get-update.sh
          sudo apt-get install -y --no-install-recommends librsvg2-bin
          SOURCE="docs/developer-guide/book-cover.svg"
          GENERATED_SVG="docs/developer-guide/book-cover.generated.svg"
          GENERATED_PNG="docs/developer-guide/book-cover.generated.png"
          cp "$SOURCE" "$GENERATED_SVG"
          export GENERATED_SVG
          python3 scripts/developer-guide/prepare_cover_artwork.py \
            "$GENERATED_SVG" \
            --rev-number "$REV_NUMBER" \
            --rev-human-date "$REV_HUMAN_DATE" \
            --rev-date "$REV_DATE"
          echo "Rasterizing cover artwork to ${GENERATED_PNG}" >&2
          rsvg-convert -w 2551 -h 3579 "$GENERATED_SVG" -o "$GENERATED_PNG"
          ls -l "$GENERATED_PNG"
          file "$GENERATED_PNG"
          {
            echo "COVER_IMAGE_ATTR=$(basename "$GENERATED_PNG")"
            echo "GENERATED_COVER_IMAGE=$GENERATED_PNG"
            echo "GENERATED_COVER_SVG=$GENERATED_SVG"
          } >> "$GITHUB_ENV"

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.1'

      - name: Install Asciidoctor tooling
        run: |
          gem install --no-document asciidoctor asciidoctor-pdf rouge

      - name: Run Asciidoctor lint
        run: |
          set -euo pipefail
          REPORT_DIR="build/developer-guide/reports"
          REPORT_FILE="${REPORT_DIR}/asciidoc-lint-report.txt"
          mkdir -p "$REPORT_DIR"
          set +e
          asciidoctor \
            --require rouge \
            --failure-level WARN \
            --verbose \
            --trace \
            -o /dev/null \
            docs/developer-guide/developer-guide.asciidoc \
            2>&1 | tee "$REPORT_FILE"
          STATUS=${PIPESTATUS[0]}
          set -e
          echo "ASCII_DOC_LINT_REPORT=$REPORT_FILE" >> "$GITHUB_ENV"
          echo "ASCII_DOC_LINT_STATUS=$STATUS" >> "$GITHUB_ENV"
          if [ "$STATUS" -ne 0 ]; then
            echo "Asciidoctor exited with status $STATUS — the final quality-gate step will fail the build." >&2
          fi

      # These four cover defects the gates above are structurally blind to: a
      # chapter swallowed by the one before it, a cross-reference that resolves
      # to nothing, prose that promises a code block which is not there, and a
      # link the website does not serve. Asciidoctor reports none of them, and
      # every one of them shipped. The structure and cross-reference checks
      # render the book, so they must run after the Asciidoctor install.
      - name: Check developer guide structure, cross-references, code blocks and links
        run: |
          set -euo pipefail
          python3 scripts/developer-guide/check-guide-structure.py
          python3 scripts/developer-guide/check-guide-xrefs.py
          python3 scripts/developer-guide/check-missing-code-blocks.py
          # An unquoted comma in alt text silently truncates it and puts the rest
          # in the width slot. Asciidoctor accepts it and the image renders, so
          # nothing else in this job notices.
          python3 scripts/developer-guide/check-image-alt-text.py
          # Note this only catches a link the GUIDE breaks. When the website
          # moves the route instead -- a page renamed, deleted or re-slugged --
          # the same script runs from website-docs.yml, which triggers on
          # docs/website/**. Putting those paths here would run this whole job
          # (maven install, demo build, screenshots) for every blog post.
          python3 scripts/developer-guide/check-guide-links.py
          # A class name the guide gets slightly wrong sends the reader looking
          # for something that is not there, and nothing else here reads the
          # names: EnclodedImage, ConectionRequest, GenenricListCellRenderer,
          # BubbleTransiton, SwipableContainer, GridbagLayout,
          # InifiniteContainer, DataChangeListener and MiGLayout all shipped.
          python3 scripts/developer-guide/check-guide-api-names.py

      - name: Build Developer Guide HTML and PDF
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          OUTPUT_ROOT="build/developer-guide"
          HTML_BUILD_DIR="${OUTPUT_ROOT}/html"
          PDF_BUILD_DIR="${OUTPUT_ROOT}/pdf"
          PACKAGE_DIR="${OUTPUT_ROOT}/html-package"
          COVER_IMAGE_ATTR_VALUE="${COVER_IMAGE_ATTR:-book-cover.svg}"
          GENERATED_COVER_IMAGE="${GENERATED_COVER_IMAGE:-}"
          GENERATED_COVER_SVG="${GENERATED_COVER_SVG:-}"
          echo "Building with cover image attribute: ${COVER_IMAGE_ATTR_VALUE}" >&2
          mkdir -p "$HTML_BUILD_DIR" "$PDF_BUILD_DIR"
          asciidoctor \
            -a revdate="$REV_DATE" \
            -a revnumber="$REV_NUMBER" \
            -a cover-image="$COVER_IMAGE_ATTR_VALUE" \
            -D "$HTML_BUILD_DIR" \
            -o developer-guide.html \
            docs/developer-guide/developer-guide.asciidoc
          asciidoctor-pdf \
            -a revdate="$REV_DATE" \
            -a revnumber="$REV_NUMBER" \
            -a cover-image="$COVER_IMAGE_ATTR_VALUE" \
            -D "$PDF_BUILD_DIR" \
            -o developer-guide.pdf \
            docs/developer-guide/developer-guide.asciidoc
          rm -rf "$PACKAGE_DIR"
          mkdir -p "$PACKAGE_DIR"
          if [ -n "$GENERATED_COVER_IMAGE" ] && [ -f "$GENERATED_COVER_IMAGE" ]; then
            cp "$GENERATED_COVER_IMAGE" "$HTML_BUILD_DIR/$(basename "$GENERATED_COVER_IMAGE")"
          fi
          cp "$HTML_BUILD_DIR/developer-guide.html" "$PACKAGE_DIR/"
          for asset_dir in docs/developer-guide/*; do
            base_name="$(basename "$asset_dir")"
            if [ -d "$asset_dir" ] && [ "$base_name" != "sketch" ]; then
              cp -R "$asset_dir" "$PACKAGE_DIR/"
            fi
          done
          if [ -n "$GENERATED_COVER_IMAGE" ] && [ -f "$GENERATED_COVER_IMAGE" ]; then
            cp "$GENERATED_COVER_IMAGE" "$PACKAGE_DIR/$(basename "$GENERATED_COVER_IMAGE")"
          fi
          (cd "$PACKAGE_DIR" && zip -r "../developer-guide-html.zip" .)
          if [ -n "$GENERATED_COVER_IMAGE" ] && [ -f "$GENERATED_COVER_IMAGE" ]; then
            rm -f "$GENERATED_COVER_IMAGE"
          fi
          if [ -n "$GENERATED_COVER_SVG" ] && [ -f "$GENERATED_COVER_SVG" ]; then
            rm -f "$GENERATED_COVER_SVG"
          fi

      - name: Install Vale
        run: |
          set -euo pipefail
          VALE_VERSION="3.13.0"
          VALE_ARCHIVE="vale_${VALE_VERSION}_Linux_64-bit.tar.gz"
          curl -fsSL -o "$VALE_ARCHIVE" "https://github.com/errata-ai/vale/releases/download/v${VALE_VERSION}/${VALE_ARCHIVE}"
          tar -xzf "$VALE_ARCHIVE"
          sudo mv vale /usr/local/bin/vale
          rm -f "$VALE_ARCHIVE"

      - name: Sync Vale styles
        run: |
          set -euo pipefail
          # Package downloads can return transient GitHub release HTTP 5xx errors.
          # Keep the lint gate strict if all three sync attempts fail.
          for attempt in 1 2 3; do
            if vale sync --config docs/developer-guide/.vale.ini; then
              break
            fi
            if [ "$attempt" -eq 3 ]; then
              exit 1
            fi
            sleep "$((attempt * 5))"
          done

      - name: Run Vale style linter
        run: |
          set -euo pipefail
          REPORT_DIR="build/developer-guide/reports"
          REPORT_FILE="${REPORT_DIR}/vale-report.json"
          HTML_REPORT="${REPORT_DIR}/vale-report.html"
          mkdir -p "$REPORT_DIR"
          set +e
          vale --config docs/developer-guide/.vale.ini --minAlertLevel=suggestion --output=JSON docs/developer-guide > "$REPORT_FILE"
          STATUS=$?
          set -e
          python3 scripts/developer-guide/vale_report_to_html.py --input "$REPORT_FILE" --output "$HTML_REPORT"
          ISSUE_COUNT="$(python3 -c "import json, sys; data = json.load(open(sys.argv[1])); print(sum(len(v) for v in data.values() if isinstance(v, list)))" "$REPORT_FILE" 2>/dev/null || echo 0)"
          echo "VALE_REPORT=$REPORT_FILE" >> "$GITHUB_ENV"
          echo "VALE_HTML_REPORT=$HTML_REPORT" >> "$GITHUB_ENV"
          echo "VALE_STATUS=$STATUS" >> "$GITHUB_ENV"
          echo "VALE_ISSUE_COUNT=$ISSUE_COUNT" >> "$GITHUB_ENV"
          if [ "$STATUS" -ne 0 ] || [ "$ISSUE_COUNT" != "0" ]; then
            echo "Vale exited with status $STATUS and reported $ISSUE_COUNT issue(s). The final quality-gate step will fail the build." >&2
          fi

      - name: Run paragraph capitalization check
        run: |
          set -euo pipefail
          REPORT_DIR="build/developer-guide/reports"
          REPORT_FILE="${REPORT_DIR}/paragraph-capitalization-report.json"
          mkdir -p "$REPORT_DIR"
          set +e
          ruby scripts/developer-guide/check_paragraph_capitalization.rb \
            --output "$REPORT_FILE" \
            docs/developer-guide/developer-guide.asciidoc
          STATUS=$?
          set -e
          echo "PARAGRAPH_CAP_REPORT=$REPORT_FILE" >> "$GITHUB_ENV"
          echo "PARAGRAPH_CAP_STATUS=$STATUS" >> "$GITHUB_ENV"
          if [ "$STATUS" -ne 0 ]; then
            echo "Paragraph capitalization check failed. The final quality-gate step will fail the build." >&2
          fi

      - name: Set up Java 17 for LanguageTool
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        uses: actions/setup-java@v5
        with:
          distribution: 'temurin'
          java-version: '17'

      - name: Install language-tool-python
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        run: |
          set -euo pipefail
          pip install --user language-tool-python==2.9.4

      - name: Run LanguageTool grammar check
        # LanguageTool consumes the rendered HTML produced by "Build
        # Developer Guide HTML and PDF". That step is gated on the same
        # paths filter (docs/demos/workflow). Without this gate the
        # LanguageTool step ran on PRs that didn't touch docs and exited
        # non-zero because `developer-guide.html` was never generated,
        # turning every unrelated PR (e.g. iOS port fixes) red on the
        # final quality-gate check.
        if: github.event_name != 'pull_request' || steps.changes.outputs.docs == 'true' || steps.changes.outputs.demos == 'true' || steps.changes.outputs.workflow == 'true'
        env:
          LANGUAGETOOL_VERSION: '6.6'
        run: |
          set -euo pipefail
          REPORT_DIR="build/developer-guide/reports"
          REPORT_FILE="${REPORT_DIR}/languagetool-report.json"
          mkdir -p "$REPORT_DIR"
          # The pip pin above fixes the WRAPPER; this fixes the engine it
          # downloads. Unset, the wrapper fetches "latest", which is a
          # nightly snapshot rather than a release -- so the rule set moved
          # between runs and turned branches red on prose nobody edited.
          echo "LanguageTool engine: ${LANGUAGETOOL_VERSION}"
          set +e
          python3 scripts/developer-guide/run_languagetool.py \
            --html build/developer-guide/html/developer-guide.html \
            --output "$REPORT_FILE"
          STATUS=$?
          set -e
          LT_COUNT="$(python3 -c 'import json,sys; d=json.load(open(sys.argv[1])); print(d.get("total",0))' "$REPORT_FILE" 2>/dev/null || echo 0)"
          echo "LANGUAGETOOL_REPORT=$REPORT_FILE" >> "$GITHUB_ENV"
          echo "LANGUAGETOOL_COUNT=$LT_COUNT" >> "$GITHUB_ENV"
          echo "LANGUAGETOOL_STATUS=$STATUS" >> "$GITHUB_ENV"
          echo "LanguageTool flagged ${LT_COUNT} match(es). The final quality-gate step will fail the build if any matches remain." >&2

      - name: Check for unused developer guide images
        run: |
          set -euo pipefail
          REPORT_DIR="build/developer-guide/reports"
          JSON_REPORT="${REPORT_DIR}/unused-images.json"
          TEXT_REPORT="${REPORT_DIR}/unused-images.txt"
          mkdir -p "$REPORT_DIR"
          set +e
          python3 scripts/developer-guide/find_unused_images.py docs/developer-guide \
            --output "$JSON_REPORT" | tee "$TEXT_REPORT"
          STATUS=${PIPESTATUS[0]}
          set -e
          echo "UNUSED_IMAGES_JSON=$JSON_REPORT" >> "$GITHUB_ENV"
          echo "UNUSED_IMAGES_TEXT=$TEXT_REPORT" >> "$GITHUB_ENV"
          echo "UNUSED_IMAGES_STATUS=$STATUS" >> "$GITHUB_ENV"
          if [ "$STATUS" -ne 0 ]; then
            echo "Unused images detected — the final quality-gate step will fail the build." >&2
          fi

      - name: Summarize AsciiDoc linter findings
        id: summarize_asciidoc_lint
        if: ${{ !cancelled() }}
        run: |
          python3 scripts/developer-guide/summarize_reports.py ascii \
            --report "${ASCII_DOC_LINT_REPORT}" \
            --status "${ASCII_DOC_LINT_STATUS:-0}" \
            --output "${GITHUB_OUTPUT}"

      - name: Summarize Vale findings
        id: summarize_vale
        if: ${{ !cancelled() }}
        run: |
          python3 scripts/developer-guide/summarize_reports.py vale \
            --report "${VALE_REPORT}" \
            --status "${VALE_STATUS:-0}" \
            --output "${GITHUB_OUTPUT}"

      - name: Summarize unused image findings
        id: summarize_unused_images
        if: ${{ !cancelled() }}
        run: |
          python3 scripts/developer-guide/summarize_reports.py unused-images \
            --report "${UNUSED_IMAGES_JSON}" \
            --output "${GITHUB_OUTPUT}" \
            --details-key details \
            --preview-limit 10

      - name: Summarize paragraph capitalization findings
        id: summarize_paragraph_cap
        if: ${{ !cancelled() }}
        run: |
          python3 scripts/developer-guide/summarize_reports.py paragraph-capitalization \
            --report "${PARAGRAPH_CAP_REPORT}" \
            --status "${PARAGRAPH_CAP_STATUS:-0}" \
            --output "${GITHUB_OUTPUT}"

      - name: Summarize LanguageTool findings
        id: summarize_languagetool
        if: ${{ !cancelled() }}
        run: |
          python3 scripts/developer-guide/summarize_reports.py languagetool \
            --report "${LANGUAGETOOL_REPORT}" \
            --output "${GITHUB_OUTPUT}"

      - name: Upload HTML artifact
        if: ${{ !cancelled() }}
        uses: actions/upload-artifact@v7
        with:
          name: developer-guide-html
          path: build/developer-guide/developer-guide-html.zip
          if-no-files-found: warn

      - name: Upload PDF artifact
        if: ${{ !cancelled() }}
        uses: actions/upload-artifact@v7
        with:
          name: developer-guide-pdf
          path: build/developer-guide/pdf/developer-guide.pdf
          if-no-files-found: warn

      - name: Upload AsciiDoc linter report
        if: ${{ !cancelled() && env.ASCII_DOC_LINT_REPORT != '' }}
        uses: actions/upload-artifact@v7
        with:
          name: developer-guide-asciidoc-lint
          path: ${{ env.ASCII_DOC_LINT_REPORT }}
          if-no-files-found: warn

      - name: Upload Vale report
        if: ${{ !cancelled() }}
        uses: actions/upload-artifact@v7
        with:
          name: developer-guide-vale-report
          path: |
            ${{ env.VALE_REPORT }}
            ${{ env.VALE_HTML_REPORT }}
          if-no-files-found: warn

      - name: Upload unused image report
        if: ${{ !cancelled() }}
        uses: actions/upload-artifact@v7
        with:
          name: developer-guide-unused-images
          path: |
            ${{ env.UNUSED_IMAGES_JSON }}
            ${{ env.UNUSED_IMAGES_TEXT }}
          if-no-files-found: warn

      - name: Upload paragraph capitalization report
        if: ${{ !cancelled() && env.PARAGRAPH_CAP_REPORT != '' }}
        uses: actions/upload-artifact@v7
        with:
          name: developer-guide-paragraph-capitalization
          path: ${{ env.PARAGRAPH_CAP_REPORT }}
          if-no-files-found: warn

      - name: Upload LanguageTool report
        if: ${{ !cancelled() && env.LANGUAGETOOL_REPORT != '' }}
        uses: actions/upload-artifact@v7
        with:
          name: developer-guide-languagetool
          path: ${{ env.LANGUAGETOOL_REPORT }}
          if-no-files-found: warn

      - name: Fail build on developer guide quality issues
        if: ${{ !cancelled() }}
        run: |
          set -euo pipefail
          FAIL=0
          if [ "${ASCII_DOC_LINT_STATUS:-0}" != "0" ]; then
            echo "AsciiDoc lint exited with status ${ASCII_DOC_LINT_STATUS}. See the developer-guide-asciidoc-lint artifact." >&2
            FAIL=1
          fi
          if [ "${VALE_STATUS:-0}" != "0" ] || [ "${VALE_ISSUE_COUNT:-0}" != "0" ]; then
            echo "Vale reported ${VALE_ISSUE_COUNT:-?} issue(s) (exit status ${VALE_STATUS:-?}). See the developer-guide-vale-report artifact." >&2
            echo "Either fix the prose, add the term to docs/developer-guide/styles/config/vocabularies/CodenameOne/accept.txt, or document an exception per docs/developer-guide/.vale.ini." >&2
            FAIL=1
          fi
          if [ "${UNUSED_IMAGES_STATUS:-0}" != "0" ]; then
            echo "Unused image check reported orphan files (exit status ${UNUSED_IMAGES_STATUS}). See the developer-guide-unused-images artifact." >&2
            echo "Either delete the orphan image or add an image:: reference for it from a developer-guide asciidoc file." >&2
            FAIL=1
          fi
          if [ "${PARAGRAPH_CAP_STATUS:-0}" != "0" ]; then
            echo "Paragraph capitalization check reported findings (exit status ${PARAGRAPH_CAP_STATUS}). See the developer-guide-paragraph-capitalization artifact." >&2
            echo "Rewrite the flagged paragraph so its first prose word starts with a capital letter." >&2
            FAIL=1
          fi
          if [ "${LANGUAGETOOL_STATUS:-0}" != "0" ] || [ "${LANGUAGETOOL_COUNT:-0}" != "0" ]; then
            echo "LanguageTool reported ${LANGUAGETOOL_COUNT:-?} match(es) (exit status ${LANGUAGETOOL_STATUS:-?}). See the developer-guide-languagetool artifact." >&2
            echo "Either fix the prose, add the term to docs/developer-guide/languagetool-accept.txt, or document a new exception by disabling the rule in scripts/developer-guide/run_languagetool.py." >&2
            FAIL=1
          fi
          if [ "$FAIL" -ne 0 ]; then
            echo "Developer guide quality gates failed. Warnings from vale, asciidoctor, and LanguageTool are treated as build-breaking errors." >&2
            exit 1
          fi
          echo "Developer guide quality gates passed (vale issues=${VALE_ISSUE_COUNT:-0}, asciidoctor status=${ASCII_DOC_LINT_STATUS:-0}, unused-image status=${UNUSED_IMAGES_STATUS:-0}, languagetool count=${LANGUAGETOOL_COUNT:-0})."

      - name: Comment with artifact download links
        if: ${{ !cancelled() && github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork }}
        uses: actions/github-script@v9
        env:
          ASCII_SUMMARY: ${{ steps.summarize_asciidoc_lint.outputs.summary }}
          VALE_SUMMARY: ${{ steps.summarize_vale.outputs.summary }}
          UNUSED_SUMMARY: ${{ steps.summarize_unused_images.outputs.summary }}
          UNUSED_DETAILS: ${{ steps.summarize_unused_images.outputs.details }}
          PARAGRAPH_CAP_SUMMARY: ${{ steps.summarize_paragraph_cap.outputs.summary }}
          LANGUAGETOOL_SUMMARY: ${{ steps.summarize_languagetool.outputs.summary }}
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const marker = '<!-- developer-guide-artifacts -->';
            const { owner, repo } = context.repo;
            const runId = context.runId;
            const prNumber = context.payload.pull_request?.number;
            const runHeadSha = context.payload.pull_request?.head?.sha;

            if (prNumber && runHeadSha) {
              const { data: pr } = await github.rest.pulls.get({
                owner,
                repo,
                pull_number: prNumber
              });

              if (pr.head.sha !== runHeadSha) {
                console.log(
                  `Skipping PR comment update because workflow run head ${runHeadSha} is not the latest PR head ${pr.head.sha}.`
                );
                return;
              }
            }

            const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
              owner,
              repo,
              run_id: runId,
              per_page: 100
            });

            const artifactLinks = new Map();
            for (const artifact of artifacts.data.artifacts) {
              artifactLinks.set(
                artifact.name,
                `https://github.com/${owner}/${repo}/actions/runs/${runId}/artifacts/${artifact.id}`
              );
            }

            const links = [];
            if (artifactLinks.has('developer-guide-html')) {
              links.push(`- [Developer Guide HTML package](${artifactLinks.get('developer-guide-html')})`);
            }
            if (artifactLinks.has('developer-guide-pdf')) {
              links.push(`- [Developer Guide PDF](${artifactLinks.get('developer-guide-pdf')})`);
            }
            if (artifactLinks.has('developer-guide-asciidoc-lint')) {
              links.push(`- [AsciiDoc linter report](${artifactLinks.get('developer-guide-asciidoc-lint')})`);
            }
            if (artifactLinks.has('developer-guide-vale-report')) {
              links.push(`- [Vale report](${artifactLinks.get('developer-guide-vale-report')})`);
            }
            if (artifactLinks.has('developer-guide-unused-images')) {
              links.push(`- [Unused image report](${artifactLinks.get('developer-guide-unused-images')})`);
            }
            if (artifactLinks.has('developer-guide-paragraph-capitalization')) {
              links.push(`- [Paragraph capitalization report](${artifactLinks.get('developer-guide-paragraph-capitalization')})`);
            }
            if (artifactLinks.has('developer-guide-languagetool')) {
              links.push(`- [LanguageTool report](${artifactLinks.get('developer-guide-languagetool')})`);
            }

            if (!links.length) {
              console.log('No artifacts found to report.');
              return;
            }

            const qualityLines = [];
            const asciiSummary = process.env.ASCII_SUMMARY?.trim();
            const valeSummary = process.env.VALE_SUMMARY?.trim();
            const unusedSummary = process.env.UNUSED_SUMMARY?.trim();
            const paragraphCapSummary = process.env.PARAGRAPH_CAP_SUMMARY?.trim();
            const languagetoolSummary = process.env.LANGUAGETOOL_SUMMARY?.trim();
            const asciiLink = artifactLinks.get('developer-guide-asciidoc-lint');
            const valeLink = artifactLinks.get('developer-guide-vale-report');
            const unusedLink = artifactLinks.get('developer-guide-unused-images');
            const paragraphCapLink = artifactLinks.get('developer-guide-paragraph-capitalization');
            const languagetoolLink = artifactLinks.get('developer-guide-languagetool');

            if (asciiSummary) {
              qualityLines.push(`- AsciiDoc linter: ${asciiSummary}${asciiLink ? ` ([report](${asciiLink}))` : ''}`);
            }
            if (valeSummary) {
              qualityLines.push(`- Vale: ${valeSummary}${valeLink ? ` ([report](${valeLink}))` : ''}`);
            }
            if (paragraphCapSummary) {
              qualityLines.push(`- Paragraph capitalization: ${paragraphCapSummary}${paragraphCapLink ? ` ([report](${paragraphCapLink}))` : ''}`);
            }
            if (languagetoolSummary) {
              qualityLines.push(`- LanguageTool: ${languagetoolSummary}${languagetoolLink ? ` ([report](${languagetoolLink}))` : ''}`);
            }
            if (unusedSummary) {
              qualityLines.push(`- Image references: ${unusedSummary}${unusedLink ? ` ([report](${unusedLink}))` : ''}`);
            }

            let unusedDetails = process.env.UNUSED_DETAILS ? process.env.UNUSED_DETAILS.split('\n') : [];
            unusedDetails = unusedDetails.filter(Boolean);
            const detailsSection = unusedDetails.length
              ? `\nUnused image preview:\n\n${unusedDetails.map(line => `  ${line}`).join('\n')}\n`
              : '';

            const sections = [
              `${marker}`,
              'Developer Guide build artifacts are available for download from this workflow run:',
              '',
              links.join('\n')
            ];

            if (qualityLines.length) {
              sections.push('', 'Developer Guide quality checks:', '', qualityLines.join('\n'));
            }

            if (detailsSection) {
              sections.push(detailsSection.trimEnd());
            }

            const body = sections.join('\n') + '\n';
            const comments = await github.rest.issues.listComments({
              owner,
              repo,
              issue_number: context.issue.number,
              per_page: 100
            });

            const existing = comments.data.find(comment => comment.body && comment.body.includes(marker));

            if (existing) {
              await github.rest.issues.updateComment({
                owner,
                repo,
                comment_id: existing.id,
                body
              });
            } else {
              await github.rest.issues.createComment({
                owner,
                repo,
                issue_number: context.issue.number,
                body
              });
            }

      - name: Log skipped PR comment
        if: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork }}
        run: echo "Skipping PR comment because the workflow run does not have permission to post on forked pull requests."

      - name: Attach artifacts to release
        if: ${{ github.event_name == 'release' && github.event.action == 'published' }}
        uses: softprops/action-gh-release@v1
        with:
          files: |
            build/developer-guide/developer-guide-html.zip
            build/developer-guide/pdf/developer-guide.pdf