name: Update Version

on:
  push:
    branches:
      - main

jobs:
  version:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.MY_RELEASE_PLEASE_TOKEN }}
          
      - name: Get previous version
        id: previous_version
        run: |
          VERSION=$(grep "buster=" version.txt | cut -d'=' -f2)
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Conventional Commit Check and Version Bump
        id: version_bump
        uses: mathieudutour/github-tag-action@v6.1
        with:
          github_token: ${{ secrets.MY_RELEASE_PLEASE_TOKEN }}
          default_bump: false
          dry_run: true
          tag_prefix: ""
          
      - name: Update version.txt
        if: steps.version_bump.outputs.new_version != steps.previous_version.outputs.version
        run: |
          NEW_VERSION="${{ steps.version_bump.outputs.new_version }}"
          sed -i "s/buster=.*/buster=$NEW_VERSION/" version.txt
          
      - name: Commit and push if changed
        if: steps.version_bump.outputs.new_version != steps.previous_version.outputs.version
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add version.txt
          git commit -m "chore: bump version to ${{ steps.version_bump.outputs.new_version }}"
          git push