name: Deploy to Cloudflare Pages

on:
  workflow_run:
    workflows: [CI]
    types: [completed]
  workflow_dispatch: {}

jobs:
  deploy:
    if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: 22

      - name: Install dependencies
        run: cd frontend && npm ci

      - name: Build
        run: cd frontend && npm run build

      - name: Generate deployment manifest
        run: |
          cd frontend/dist
          echo "{" > manifest.json
          first=true
          for file in $(find . -type f | sed 's|^\./||'); do
            hash=$(sha256sum "$file" | awk '{print $1}')
            if [ "$first" = true ]; then
              first=false
            else
              echo "," >> manifest.json
            fi
            printf '  "%s": "%s"' "$file" "$hash" >> manifest.json
          done
          echo "" >> manifest.json
          echo "}" >> manifest.json
          echo "Generated manifest with $(grep -c ':' manifest.json) files"

      - name: Deploy to Cloudflare Pages
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
        run: |
          cd frontend/dist

          # Build multipart form arguments from all files + manifest
          form_args="-F manifest=@manifest.json"
          for file in $(find . -type f ! -name manifest.json | sed 's|^\./||'); do
            form_args="$form_args -F $file=@$file"
          done

          # Get short commit hash for deployment metadata
          COMMIT_HASH=$(git rev-parse --short HEAD 2>/dev/null || echo "unknown")
          COMMIT_MSG=$(git log -1 --pretty=%B 2>/dev/null | head -1 || echo "Gitea Actions deploy")

          curl -sS -X POST \
            "https://api.cloudflare.com/client/v4/accounts/${CLOUDFLARE_ACCOUNT_ID}/pages/projects/linearvoid/deployments" \
            -H "Authorization: Bearer ${CLOUDFLARE_API_TOKEN}" \
            -F "commit_hash=${COMMIT_HASH}" \
            -F "commit_message=${COMMIT_MSG}" \
            -F "commit_dirty=false" \
            $form_args