name: Check for Hugo releases

on:
  schedule:
  - cron: '0 */3 * * *'   # run every three hours
  workflow_dispatch:

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
    - name: Get latest Hugo version
      id: hugo_version
      run: |
        HUGO_VERSION=$(curl --silent https://api.github.com/repos/gohugoio/hugo/releases/latest | jq -r .tag_name | sed 's/v//')
        echo "::set-output name=VERSION::$HUGO_VERSION"
    - name: Get current package version
      id: package_version
      run: |
        setVersion=$(npm show hugo-extended hugoVersion)
        npmVersion=$(npm show hugo-extended version)
        PACKAGE_VERSION="${setVersion:-$npmVersion}"
        echo "::set-output name=VERSION::$PACKAGE_VERSION"
    - name: Compare versions
      id: update
      run: |
        echo "Current package version is v${{ steps.package_version.outputs.VERSION }}."
        echo "Current Hugo version is v${{ steps.hugo_version.outputs.VERSION }}."

        if [ "${{ steps.hugo_version.outputs.VERSION }}" != "${{ steps.package_version.outputs.VERSION }}" ]
        then
          echo "🚨 Needs updating!"
          exit 1
        else
          echo "✅ All good for now."
          exit 0
        fi
    - name: Send Discord notification
      uses: appleboy/discord-action@master
      if: failure()
      with:
        webhook_id: ${{ secrets.DISCORD_WEBHOOK_ID }}
        webhook_token: ${{ secrets.DISCORD_WEBHOOK_TOKEN }}
        message: '📦 New Hugo version (v${{ steps.hugo_version.outputs.VERSION }}) is available: https://github.com/gohugoio/hugo/releases/tag/v${{ steps.hugo_version.outputs.VERSION }}'

# TODO: Automatically bump npm package, commit back to repo, and publish new version.