name: Check for a new Akkoma release

on:
  schedule:
    - cron: '2 * * * *'

jobs:
  check-releases:
    runs-on: ubuntu-latest
    steps:

      - name: Checkout code
        uses: actions/checkout@v3

      - name: Extract latest version from Akkoma forge
        run: |
          set -e  # Fail on error
          LATEST_VERSION=$(curl -s https://akkoma.dev/AkkomaGang/akkoma/tags.rss | \
            grep '<link>https://akkoma.dev/AkkomaGang/akkoma/releases/tag/' | \
            head -n 1 | rev | cut -d '/' -f 2 | rev | cut -d '<' -f 1)
          LATEST_VERSION=${LATEST_VERSION#v}
          echo "Latest Akkoma version: $LATEST_VERSION"
          echo "LATEST_VERSION=$LATEST_VERSION" >> $GITHUB_ENV

      - name: Check if tag exists
        id: check
        run: |
          if git rev-parse "v${LATEST_VERSION}" >/dev/null 2>&1
          then
            echo "Tag v${LATEST_VERSION} already exists."
            echo "new_version=false" >> $GITHUB_OUTPUT
          else
            echo "New version detected: ${LATEST_VERSION}"
            echo "new_version=true" >> $GITHUB_OUTPUT
          fi

      - name: Configure Git
        run: |
          git config user.name "Gitea Actions"
          git config user.email "actions@git.quent1.fr"
          git remote set-url origin "https://${{ secrets.GITEA_TOKEN }}@git.quent1.fr/${{ github.repository }}"

      - name: Create and push new tag
        if: steps.check.outputs.new_version == 'true'
        run: |
          git tag "v${LATEST_VERSION}"
          git push origin "v${LATEST_VERSION}"