name: Prepare release

on:
  workflow_dispatch:
    inputs:
      release_type:
        description: 'Type of release (major, minor, patch)'
        required: true
        default: 'patch'
        type: choice
        options:
          - patch
          - minor
          - major

jobs:
  prepare-release-pr:
    name: Prepare Release PR
    runs-on: self-hosted
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Fetch all history and tags for standard-version to work

      - name: Set up Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '20'

      - name: Bump version and create changelog without creating a tag
        run: |
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
          npm version ${{ github.event.inputs.release_type }}
          NEW_VERSION=$(node -p "require('./package.json').version")
          echo "NEW_VERSION=$NEW_VERSION" >> $GITHUB_ENV

      - name: Create pull request
        uses: peter-evans/create-pull-request@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: 'release-v${{ env.NEW_VERSION }}'
          base: 'main'
          title: 'Release v${{ env.NEW_VERSION }}'
          body: |
            This PR of release preview version v${{ env.NEW_VERSION }}.
            Please review the changes and then merge to create a new release.
          delete-branch: true