name: Sync LangBot Blog articles

on:
  workflow_dispatch:
  schedule:
    - cron: '17 2 * * *'

permissions:
  contents: read

concurrency:
  group: sync-langbot-blog-articles
  cancel-in-progress: false

jobs:
  sync:
    if: github.repository == 'langbot-app/LangBot' && github.ref == 'refs/heads/master' && vars.DOCS_PUBLISH_ENABLED == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 20
    defaults:
      run:
        working-directory: docs
    steps:
      - name: Check out main
        uses: actions/checkout@v7
        with:
          ref: master
          fetch-depth: 0
          # A PAT push triggers the landing and Wiki workflows; GITHUB_TOKEN does not.
          token: ${{ secrets.LANGBOT_WIKI_PUSH_TOKEN || secrets.RELEASE_UPLOAD_GITHUB_TOKEN }}
      - uses: actions/setup-node@v7
        with:
          node-version: '24'
          cache: npm
          cache-dependency-path: docs/package-lock.json
      - run: npm ci
      - name: Check out LangBot landing page
        uses: actions/checkout@v7
        with:
          repository: langbot-app/langbot-landing-page
          token: ${{ secrets.LANGBOT_WIKI_PUSH_TOKEN || secrets.RELEASE_UPLOAD_GITHUB_TOKEN }}
          path: .article-source
          persist-credentials: false
      - name: Synchronize articles and images
        run: node scripts/sync-blog-articles.mjs --source ../.article-source
      - name: Validate generated articles
        run: |
          node scripts/sync-blog-articles.mjs --check --source ../.article-source
          node scripts/sync-blog-articles.mjs --check
          npm test
          npm run build
      - name: Commit synchronized content
        run: |
          git add docs.json en/articles zh/articles ja/articles images/articles scripts/blog-articles-manifest.json
          if git diff --cached --quiet; then
            echo 'LangBot Blog articles are already synchronized.'
            exit 0
          fi
          git config user.name 'langbot-docs-bot'
          git config user.email 'actions@users.noreply.github.com'
          git commit -m 'docs(articles): sync LangBot Blog'
          git push origin HEAD:master