name: Sync git-cliff version

on:
  schedule:
    - cron: '0 3 * * 1' # every Monday at 03:00 UTC
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  check:
    name: Check
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98 # v4.2.2
      - name: Get latest git-cliff release
        id: latest
        run: |
          set -euo pipefail
          VERSION=$(curl -s https://api.github.com/repos/orhun/git-cliff/releases/latest | jq -r .tag_name)
          echo "version=${VERSION}" >> ${GITHUB_OUTPUT}
      - name: Read current default version
        id: current
        run: |
          set -euo pipefail
          VERSION=$(yq '.inputs.version.default' action.yml)
          echo "version=${VERSION}" >> ${GITHUB_OUTPUT}
      - name: Bump version
        if: steps.latest.outputs.version != steps.current.outputs.version
        env:
          CURRENT: ${{ steps.current.outputs.version }}
          LATEST: ${{ steps.latest.outputs.version }}
        run: |
          set -euo pipefail
          sed -i "s|${CURRENT}|${LATEST}|g" action.yml
          sed -i "s|${CURRENT}|${LATEST}|g" README.md
      - name: Create PR
        if: steps.latest.outputs.version != steps.current.outputs.version
        env:
          LATEST: ${{ steps.latest.outputs.version }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euo pipefail

          BRANCH="chore/git-cliff-${LATEST}"
          TITLE="chore: bump git-cliff to ${LATEST}"
          BODY="This PR bumps git-cliff to ${LATEST}.

          🔗 https://github.com/orhun/git-cliff/releases/tag/${LATEST}"

          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          git checkout -B "${BRANCH}"
          git add action.yml
          git add README.md
          git commit -m "${TITLE}" || echo "Nothing to commit"
          git push origin "${BRANCH}" --force

          echo "${GITHUB_TOKEN}" | gh auth login --with-token
          gh pr create \
            --base main \
            --head "${BRANCH}" \
            --title "${TITLE}" \
            --body "${BODY}" \
            || echo "PR already exists"