name: CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  check-and-test:
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v4
      # CLAUDE.md is read at every session start; detail belongs in the nested files.
      - run: test "$(wc -l < CLAUDE.md)" -le 120 || { echo "CLAUDE.md over its 120-line budget"; exit 1; }
      # The corpus is gitignored, so a test reading it would name a document and fail here.
      - run: |
          ! git grep -l "render-parity/fixtures" -- src tests ':!tests/render-parity' \
            || { echo "a test reads the gitignored parity corpus"; exit 1; }
      - uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: npm
      - run: npm ci
      - run: npm run check
      # xmllint drives the schema-validation leg (it self-skips without it).
      - run: sudo apt-get install -y --no-install-recommends libxml2-utils
      # LibreOffice is not installed here, so the lo-roundtrip suite self-skips
      # (the lo-roundtrip job below runs that leg).
      - run: npm test

  # The LibreOffice legs (self-skipping everywhere soffice is absent) and the layout run,
  # which holds the editor's page counts against LibreOffice's PDFs in Chromium.
  lo-roundtrip:
    runs-on: ubuntu-latest
    timeout-minutes: 40
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: npm
      # libreoffice-math builds the formula objects both importers read back (without it
      # Writer drops every formula); poppler-utils rasterizes the render-consistency PDFs.
      - run: sudo apt-get update && sudo apt-get install -y --no-install-recommends libreoffice-writer libreoffice-math fonts-liberation poppler-utils
      - run: npm ci
      - run: npm run test:lo
      - run: npx playwright-core install --with-deps chromium
      - run: npm run test:layout

  # Production build booted in the three engines behind the supported browsers
  # (vite build.target). WebKit runs on macOS: its text shaping there is Safari's.
  browser:
    strategy:
      fail-fast: false
      matrix:
        include:
          - { browser: chromium, os: ubuntu-latest }
          - { browser: firefox, os: ubuntu-latest }
          - { browser: webkit, os: macos-latest }
    runs-on: ${{ matrix.os }}
    timeout-minutes: 30
    env:
      BROWSER: ${{ matrix.browser }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: npm
      - run: npm ci
      - run: npx playwright-core install --with-deps ${{ matrix.browser }}
      - run: npm run build
      - run: npm run test:smoke
      - run: npm run test:dom
      # xmllint validates the files the monkey saves (macOS ships it).
      - if: runner.os == 'Linux'
        run: sudo apt-get install -y --no-install-recommends libxml2-utils
      - run: npm run test:monkey