on:
  workflow_call:
    inputs:
      release_prefix:
        required: true
        type: string
      release_branch:
        required: false
        default: main
        type: string
      develop_branch:
        required: false
        default: develop
        type: string
      sync_pr_label:
        required: false
        default: bumpless
        type: string
    secrets:
      USER_TOKEN:
        required: true

jobs:
  write-release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
          token: ${{ secrets.USER_TOKEN }}

      - name: Create Release
        uses: docker://antonyurchenko/git-release:v3.5.0
        env:
          GITHUB_TOKEN: ${{ secrets.USER_TOKEN }}
          RELEASE_NAME_PREFIX: "${{ inputs.release_prefix }} "
          ALLOW_TAG_PREFIX: true

      - name: Attempt fast-forward develop from release
        run: |
          git fetch --prune
          git checkout ${{ inputs.develop_branch }} && git pull --ff-only
          git merge --ff-only origin/${{ inputs.release_branch }}
          git push

      - name: On failure, open PR to bring release back to develop
        if: ${{ failure() }}
        env:
          PR_TITLE: Pulling ${{ github.ref }} into ${{ inputs.develop_branch }}
          PR_BODY: Fast-forward of ${{ inputs.release_branch }} to ${{ inputs.develop_branch }} failed!
          GH_TOKEN: ${{ secrets.USER_TOKEN }}
        run: |
          gh pr create --title "${PR_TITLE}" \
                      --body "${PR_BODY}" \
                      --assignee ${{ github.actor }} \
                      --label ${{ inputs.sync_pr_label }} \
                      --head ${{ inputs.release_branch }} \
                      --base ${{ inputs.develop_branch }}