name: Auto Release

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7

      - name: Check project rules
        run: python3 check_project_rules.py

      - name: Check release metadata
        run: npm test

      - name: Install Chromium and CJK fonts
        id: setupchrome
        uses: browser-actions/setup-chrome@v2
        with:
          chrome-version: stable
      - name: Install CJK fonts
        run: |
          sudo apt-get update
          sudo apt-get install -y fonts-noto-cjk fonts-noto-cjk-extra

      - name: Install mdpress 0.7.10
        env:
          MDPRESS_VERSION: "0.7.10"
          MDPRESS_SHA256: "17e53e455996940bbbce64c69c43b3fb543f1501e03b74cf0434074efebd2db4"
        run: |
          archive="/tmp/mdpress_${MDPRESS_VERSION}_linux_amd64.tar.gz"
          echo "Installing mdpress ${MDPRESS_VERSION}"
          curl -fsSL "https://github.com/yeasy/mdPress/releases/download/v${MDPRESS_VERSION}/mdpress_${MDPRESS_VERSION}_linux_amd64.tar.gz" -o "$archive"
          echo "${MDPRESS_SHA256}  $archive" | sha256sum -c -
          tar xzf "$archive" -C /tmp mdpress
          sudo mv /tmp/mdpress /usr/local/bin/
          mdpress --version

      - name: Extract tag name
        id: tag
        run: |
          if [[ "$GITHUB_REF" == refs/tags/* ]]; then
            tag_name="${GITHUB_REF#refs/tags/}"
          else
            tag_name="latest"
          fi
          safe_tag_name=$(printf '%s' "$tag_name" | sed 's/[^A-Za-z0-9._-]/-/g')
          safe_tag_name="${safe_tag_name:-latest}"
          echo "TAG_NAME=${tag_name}" >> "$GITHUB_OUTPUT"
          echo "SAFE_TAG_NAME=${safe_tag_name}" >> "$GITHUB_OUTPUT"

      - name: Build PDF
        run: mdpress build --format pdf --output docker_practice-${{ steps.tag.outputs.SAFE_TAG_NAME || 'latest' }}.pdf

      - name: Create Release with PDF
        if: startsWith(github.ref, 'refs/tags/')
        uses: softprops/action-gh-release@v3
        with:
          generate_release_notes: true
          files: docker_practice-${{ steps.tag.outputs.SAFE_TAG_NAME }}.pdf

      - name: Upload PDF as artifact
        uses: actions/upload-artifact@v7
        with:
          name: docker_practice-pdf
          path: "docker_practice-*.pdf"

      - name: Build HTML reader
        id: htmlreader
        continue-on-error: true
        env:
          CHROME_BIN: ${{ steps.setupchrome.outputs.chrome-path }}
        run: |
          # recent pandoc (apt's is too old for --embed-resources); + mermaid-cli using system Chrome
          curl -fsSL https://github.com/jgm/pandoc/releases/download/3.5/pandoc-3.5-1-amd64.deb -o /tmp/pandoc.deb
          sudo dpkg -i /tmp/pandoc.deb && pandoc --version | head -1
          PUPPETEER_SKIP_DOWNLOAD=true npm install -g @mermaid-js/mermaid-cli@10
          TITLE=$(python3 -c "import json,os;print((json.load(open('book.json')).get('title') if os.path.exists('book.json') else '') or '${{ github.event.repository.name }}')")
          TAG="${{ steps.tag.outputs.SAFE_TAG_NAME || 'latest' }}"
          python3 tools/render_mermaid.py --book-dir . --svg-out /tmp/mmsvg
          python3 tools/build_html_reader.py --book-dir . --title "$TITLE" --svg-dir /tmp/mmsvg \
            --out "${{ github.event.repository.name }}-${TAG}.html"
          ls -lh ${{ github.event.repository.name }}-${TAG}.html

      - name: Attach HTML to release
        if: steps.htmlreader.outcome == 'success' && startsWith(github.ref, 'refs/tags/')
        uses: softprops/action-gh-release@v3
        with:
          tag_name: ${{ steps.tag.outputs.TAG_NAME }}
          files: "${{ github.event.repository.name }}-${{ steps.tag.outputs.SAFE_TAG_NAME }}.html"

      - name: Upload HTML as artifact
        if: steps.htmlreader.outcome == 'success'
        uses: actions/upload-artifact@v7
        with:
          name: html-edition
          path: "${{ github.event.repository.name }}-*.html"