preview.yml

name: PR Preview

on:
  pull_request:
    types: [opened, reopened, synchronize]

concurrency:
  group: preview-${{ github.event.pull_request.number }}
  cancel-in-progress: true

permissions:
  contents: read
  pull-requests: write

jobs:
  preview:
    # Skip PRs from forks — they don't get secrets and would fail at wix login.
    if: github.event.pull_request.head.repo.full_name == github.repository
    runs-on: ubuntu-latest
    steps:
      - name: Checkout PR head
        env:
          GH_TOKEN: ${{ github.token }}
          PR_SHA: ${{ github.event.pull_request.head.sha }}
        run: |
          git init -q .
          git remote add origin "https://x-access-token:${GH_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
          git fetch --depth=1 origin "$PR_SHA"
          git checkout -q FETCH_HEAD

      - name: Install dependencies
        run: npm ci

      - name: Wix login
        env:
          WIX_CLI_TOKEN: ${{ secrets.WIX_CLI_TOKEN }}
        run: npx wix login --api-key "$WIX_CLI_TOKEN"

      - name: Debug — whoami + visible sites
        env:
          WIX_CLI_TOKEN: ${{ secrets.WIX_CLI_TOKEN }}
        run: |
          echo "=== wix whoami ==="
          npx wix whoami || true
          echo
          echo "=== Sites visible to this API key ==="
          curl -sS -X POST https://www.wixapis.com/site-list/v2/sites/query \
            -H "Authorization: $WIX_CLI_TOKEN" \
            -H "Content-Type: application/json" \
            -d '{"query":{}}' | jq '.sites[]? | {id, displayName: .displayName, ownerEmail: .owner.email}'

      - name: Pull Wix env
        run: npx wix env pull

      - name: Build
        run: npx wix build

      - name: Create preview deployment
        id: preview
        run: |
          set -o pipefail
          npx wix preview 2>&1 | tee preview.log
          url="$(grep -Eoi 'https?://[^[:space:]]+' preview.log | tail -n1)"
          if [ -z "$url" ]; then
            echo "Could not parse a preview URL from wix preview output." >&2
            exit 1
          fi
          echo "url=$url" >> "$GITHUB_OUTPUT"

      - name: Comment preview URL on PR
        env:
          GH_TOKEN: ${{ github.token }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          PR_SHA: ${{ github.event.pull_request.head.sha }}
          PREVIEW_URL: ${{ steps.preview.outputs.url }}
        run: |
          marker='<!-- wix-preview -->'
          body=$(printf '%s\n**Preview deployment ready** for commit `%s`\n\n%s\n' "$marker" "$PR_SHA" "$PREVIEW_URL")
          existing_id=$(gh api "repos/$GITHUB_REPOSITORY/issues/$PR_NUMBER/comments" --paginate \
            --jq ".[] | select(.body | contains(\"$marker\")) | .id" | head -n1)
          if [ -n "$existing_id" ]; then
            jq -n --arg body "$body" '{body: $body}' \
              | gh api --method PATCH "repos/$GITHUB_REPOSITORY/issues/comments/$existing_id" --input -
          else
            jq -n --arg body "$body" '{body: $body}' \
              | gh api --method POST "repos/$GITHUB_REPOSITORY/issues/$PR_NUMBER/comments" --input -
          fi