name: 'Release: Create Pull Request'

on:
  workflow_dispatch:
    inputs:
      base-branch:
        description: 'The branch, tag, or commit to create this release PR from.'
        required: true
        default: 'master'

      release-type:
        description: 'A SemVer release type.'
        required: true
        type: choice
        default: 'minor'
        options:
          - patch
          - minor
          - major

jobs:
  create-release-pr:
    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write

    timeout-minutes: 5

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.event.inputs.base-branch }}

      - name: Push the base branch
        run: |
          git checkout -b "release/${{ github.event.inputs.release-type }}"
          git push -f origin "release/${{ github.event.inputs.release-type }}"

      - uses: pnpm/action-setup@v2.2.4
      - uses: actions/setup-node@v3
        with:
          node-version: 18.x
      - run: npm install --prefix=.github/scripts --no-package-lock

      - name: Bump package versions
        run: |
          echo "NEXT_RELEASE=$(node .github/scripts/bump-versions.mjs)" >> $GITHUB_ENV
          pnpm i --lockfile-only
        env:
          RELEASE_TYPE: ${{ github.event.inputs.release-type }}

      - name: Generate Changelog
        run: npx conventional-changelog-cli -p angular -i CHANGELOG.md -s -t n8n@

      - name: Push the release branch, and Create the PR
        uses: peter-evans/create-pull-request@v4
        with:
          base: 'release/${{ github.event.inputs.release-type }}'
          branch: 'release/${{ env.NEXT_RELEASE }}'
          commit-message: ':rocket: Release ${{ env.NEXT_RELEASE }}'
          delete-branch: true
          labels: 'release'
          title: ':rocket: Release ${{ env.NEXT_RELEASE }}'
          # 'TODO: add generated changelog to the body. create a script to generate custom changelog'
          body: ''

      # TODO: post PR link to slack