name: Docs

on:
  push:
    branches: [ '*' ]
  pull_request:
    branches: [ master ]

permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  markdownlint:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Install markdownlint
      run: npm install -g markdownlint-cli2
    - name: Run markdownlint
      run: markdownlint-cli2 "**/*.md"

  build_book:
    runs-on: ubuntu-latest
    needs: markdownlint
    steps:
    - uses: actions/checkout@v4
    - name: Install mdBook
      run: cargo install mdbook --vers 0.4.43 --locked
    - name: Build book
      run: cd docs && mdbook build
    - name: Upload artifact
      uses: actions/upload-pages-artifact@v3
      with:
        path: docs/build

  deploy:
    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
    concurrency:
      group: "pages"
      cancel-in-progress: true
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build_book
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4