name: Build and Deploy Docs

on: [push, pull_request]

jobs:
  build:
    name: Build docs
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4.1.1
      - name: Set up Python
        uses: actions/setup-python@v5.0.0
        with:
          python-version: 3.x
      - name: Cache dependencies
        uses: actions/cache@v3.3.2
        with:
          path: .cache
          key: ${{ runner.os }}-build-${{ hashFiles('docs/requirements.txt') }}
      - name: Install dependencies
        run: pip install -r docs/requirements.txt
      - name: Build documentation
        run: mkdocs build
  deploy:
    if: github.event_name == 'push' && contains(fromJson('["refs/heads/master", "refs/heads/main"]'), github.ref)
    needs: build
    name: Deploy docs
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4.1.1
        with:
          fetch-depth: '0'
      - name: Set up Python
        uses: actions/setup-python@v5.0.0
        with:
          python-version: 3.x
      - name: Cache dependencies
        uses: actions/cache@v3.3.2
        with:
          path: .cache
          key: ${{ runner.os }}-build-${{ hashFiles('docs/requirements.txt') }}
      - name: Install dependencies
        run: pip install -r docs/requirements.txt
      - name: Deploy to GitHub Pages
        run: mkdocs gh-deploy --force