name: Deploy website to VPS

on:
  push:
    branches: ['main']
  workflow_dispatch:

jobs:
  build-and-deploy:
    runs-on: site-builder
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get Hugo Version
        run: |
          if [ -f "hugoblox.yaml" ]; then
            VERSION=$(grep "hugo_version" hugoblox.yaml | awk '{print $2}' | tr -d "'\"")
            echo "HUGO_VERSION=$VERSION" >> $GITHUB_ENV
          else
            echo "HUGO_VERSION=0.125.0" >> $GITHUB_ENV
          fi

      - name: Install Node Dependencies
        run: |
          if [ -f "package.json" ]; then
            # Force pnpm to use the version baked into our Nix image
            sed -i '/"packageManager":/d' package.json
            pnpm config set manage-package-manager false
            pnpm install --no-frozen-lockfile
          fi

      - name: Build with Hugo
        env:
          HUGO_ENVIRONMENT: production
        run: |
          # Use the baked-in hugo binary
          hugo --minify --baseURL "https://ejs.cam/"

      - name: Generate Pagefind search index
        run: |
          if [ -f "package.json" ] && grep -q "pagefind" package.json; then
            pnpm dlx pagefind --source "public" || npx pagefind --source "public"
          fi

      - name: Deploy via Rsync
        env:
          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
          REMOTE_HOST: ${{ secrets.REMOTE_HOST }}
          REMOTE_USER: ${{ secrets.REMOTE_USER }}
          REMOTE_PORT: ${{ secrets.REMOTE_PORT }}
        run: |
          mkdir -p ~/.ssh
          chmod 700 ~/.ssh

          echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519

          ssh-keyscan -p "$REMOTE_PORT" "$REMOTE_HOST" >> ~/.ssh/known_hosts

          rsync -avz --delete \
            --exclude 'cv.pdf' \
            --omit-dir-times \
            --no-perms \
            --no-owner \
            --no-group \
            -e "ssh -p $REMOTE_PORT" \
            ./public/ \
            $REMOTE_USER@$REMOTE_HOST:/var/www/