name: auto-update

on:
  schedule:
    # Run daily at 06:00 UTC
    - cron: "0 6 * * *"
  workflow_dispatch: # Allow manual trigger

jobs:
  check-and-update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      id-token: write
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: 24
          registry-url: https://registry.npmjs.org/

      - run: npm install -g npm@latest

      - name: Get upstream version
        id: upstream
        run: |
          UPSTREAM=$(npm view @plannotator/pi-extension version)
          echo "version=$UPSTREAM" >> "$GITHUB_OUTPUT"
          echo "Upstream @plannotator/pi-extension version: $UPSTREAM"

      - name: Get current pinned version
        id: current
        run: |
          CURRENT=$(node -e "console.log(require('./package.json').devDependencies['@plannotator/pi-extension'].replace(/[\^~]/, ''))")
          echo "version=$CURRENT" >> "$GITHUB_OUTPUT"
          echo "Current pinned version: $CURRENT"

      - name: Check if update needed
        id: check
        run: |
          if [ "${{ steps.upstream.outputs.version }}" = "${{ steps.current.outputs.version }}" ]; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
            echo "Already up to date."
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
            echo "Update available: ${{ steps.current.outputs.version }} -> ${{ steps.upstream.outputs.version }}"
          fi

      - name: Update package.json
        if: steps.check.outputs.skip == 'false'
        run: |
          UPSTREAM="${{ steps.upstream.outputs.version }}"
          # Align wrapper version to upstream
          node -e "
            const pkg = require('./package.json');
            pkg.version = '${UPSTREAM}';
            pkg.devDependencies['@plannotator/pi-extension'] = '${UPSTREAM}';
            require('fs').writeFileSync('package.json', JSON.stringify(pkg, null, 2) + '\n');
          "
          echo "Updated package.json to version $UPSTREAM"

      - name: Install and build
        if: steps.check.outputs.skip == 'false'
        run: |
          npm install
          npm run build

      - name: Commit, tag, and push
        if: steps.check.outputs.skip == 'false'
        run: |
          UPSTREAM="${{ steps.upstream.outputs.version }}"
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add -A
          git commit -m "auto-update: align to @plannotator/pi-extension@${UPSTREAM}"
          git tag "v${UPSTREAM}"
          git push origin main --tags

      - name: Publish to npm
        if: steps.check.outputs.skip == 'false'
        run: npm publish --provenance --access public