name: Update Transmission Version

on:
  schedule:
    - cron: "0 0 1 */6 *" # Run every 6 months at 00:00 on day 1
  workflow_dispatch:  # Allow manual trigger

jobs:
  update_transmission:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2

    - name: Set up Git
      run: |
        git config --global user.email "github-actions@github.com"
        git config --global user.name "GitHub Actions"

    - name: Run update script
      run: ./update_transmission_version.sh

    - name: Create Pull Request
      id: create_pr
      uses: peter-evans/create-pull-request@v3
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        commit-message: Update Transmission version to ${{ steps.update_transmission.outputs.latest_version }}
        branch: update-transmission-version
        title: Update Transmission version to ${{ steps.update_transmission.outputs.latest_version }}
        body: |
          This PR updates the Transmission version from ${{ steps.update_transmission.outputs.current_version }} to ${{ steps.update_transmission.outputs.latest_version }}.

    - name: Merge Pull Request
      if: ${{ steps.create_pr.outputs.pull-request-url }}
      run: |
        pr_number=$(echo ${{ steps.create_pr.outputs.pull-request-url }} | awk -F'/' '{print $NF}')
        gh pr merge $pr_number --admin --squash --delete-branch