name: Bump xswitcher Formula

on:
  workflow_dispatch:
  schedule:
    - cron: '0 * * * *'  # every hour

jobs:
  bump:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout tap repo
        uses: actions/checkout@v3
        with:
          persist-credentials: true

      - name: Fetch latest release tag from GitHub
        id: fetch
        uses: actions/github-script@v6
        with:
          script: |
            const release = await github.rest.repos.getLatestRelease({
              owner: 'darwincereska',
              repo: 'xswitcher'
            });
            core.setOutput("version", release.data.tag_name);

      - name: Download archive from refs/tags and compute SHA256
        id: compute
        run: |
          VERSION=${{ steps.fetch.outputs.version }}
          ARCHIVE_URL="https://github.com/darwincereska/xswitcher/archive/refs/tags/${VERSION}.tar.gz"
          echo "Downloading archive: $ARCHIVE_URL"
          curl -L -o xswitcher.tar.gz "$ARCHIVE_URL"
          SHA256=$(sha256sum xswitcher.tar.gz | awk '{ print $1 }')
          echo "sha256=$SHA256" >> $GITHUB_OUTPUT

      - name: Update Formula (version & sha256 only)
        run: |
          VERSION=${{ steps.fetch.outputs.version }}
          SHA256=${{ steps.compute.outputs.sha256 }}
          FORMULA=Formula/xswitcher.rb

          echo "Updating $FORMULA to version $VERSION"

          sed -i "s/sha256 \".*\"/sha256 \"$SHA256\"/g" "$FORMULA"
          sed -i "s/version \".*\"/version \"${VERSION#v}\"/g" "$FORMULA" || echo "No version field to replace"

      - name: Commit and push if changed
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git config user.name "GitHub Actions"
          git config user.email "actions@github.com"
          git add Formula/xswitcher.rb
          if ! git diff --cached --quiet; then
            VERSION=${{ steps.fetch.outputs.version }}
            git commit -m "bump: Updated xswitcher to $VERSION"
            git push
          else
            echo "No changes to commit"
          fi