.github/workflows/jekyll.yml

name: Deploy Jekyll site to Pages

on:
  push:
    branches: ["main", "gh-pages"]
  workflow_dispatch:

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

concurrency:
  group: "pages-${{ github.ref }}"
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        lang: ['en', 'de', 'es']
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Ruby
        uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42
        with:
          ruby-version: '3.1'
          bundler-cache: true

      - name: Set language in config
        run: |
          sed -i "/^lang:/c\lang: ${{ matrix.lang }}" _config.yml
          if ! grep -q "^lang:" _config.yml; then
            echo "lang: ${{ matrix.lang }}" >> _config.yml
          fi
          
      - name: Setup Pages
        id: pages
        uses: actions/configure-pages@v5

      - name: Build with Jekyll
        run: bundle exec jekyll build --destination _site/${{ matrix.lang }} --baseurl "${{ steps.pages.outputs.base_path }}/${{ matrix.lang }}"
        env:
          JEKYLL_ENV: production

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: ./_site/${{ matrix.lang }}
          name: site-${{ matrix.lang }}

  create-index:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Create index.html
        run: |
          echo '<!DOCTYPE html>' > index.html
          echo '<html lang="en">' >> index.html
          echo '<head>' >> index.html
          echo '    <meta charset="UTF-8">' >> index.html
          echo '    <meta name="viewport" content="width=device-width, initial-scale=1.0">' >> index.html
          echo '    <title>Welcome to Our Multilingual Site</title>' >> index.html
          echo '</head>' >> index.html
          echo '<body>' >> index.html
          echo '    <h1>Welcome to Our Multilingual Site</h1>' >> index.html
          echo '    <ul>' >> index.html
          echo '        <li><a href="/de/">Deutsch</a></li>' >> index.html
          echo '        <li><a href="/en/">English</a></li>' >> index.html
          echo '        <li><a href="/es/">Español</a></li>' >> index.html
          echo '    </ul>' >> index.html
          echo '</body>' >> index.html
          echo '</html>' >> index.html
          mkdir _site
          mv index.html _site/
      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: ./_site/
          name: site

  deploy:
    needs: create-index
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: _site
          merge-multiple: true

      - name: Deploy to GitHub Pages
        uses: actions/deploy-pages@v4