name: Changesets

on:
  workflow_dispatch:
    inputs:
      releaseGroup:
        description: 'The release group to bump version and create pull request'
        required: true
        type: choice
        # This should be synced with `/.scripts/version.js`
        options:
          - core
          - toolkit

  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}

jobs:
  changesets:
    strategy:
      matrix:
        # Multiline expression https://stackoverflow.com/a/67532120/12514940
        group: |-
          ${{
            github.event_name == 'pull_request' &&
            fromJSON('["core", "toolkit"]') ||
            fromJSON(format('["{0}"]', inputs.releaseGroup))
          }}

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
        with:
          token: ${{ secrets.BOT_PAT }}

      - name: Setup Node and pnpm
        uses: silverhand-io/actions-node-pnpm-run-steps@v2

      - name: Import GPG key
        uses: crazy-max/ghaction-import-gpg@v5
        with:
          gpg_private_key: ${{ secrets.BOT_GPG_KEY }}
          passphrase: ${{ secrets.BOT_GPG_PASSPHRASE }}
          git_user_signingkey: true
          git_commit_gpgsign: true
          git_tag_gpgsign: true

      - name: Configure Git user
        run: |
          git config --global user.email bot@silverhand.io
          git config --global user.name silverhand-bot

      - name: Version packages
        run: |
          node .scripts/version.js ${{ matrix.group }}
          pnpm i --no-frozen-lockfile
          git status

      - name: Create pull request
        if: github.event_name == 'workflow_dispatch'
        uses: peter-evans/create-pull-request@v4
        with:
          token: ${{ secrets.BOT_PAT }}
          commit-message: 'release: version ${{ matrix.group }} packages'
          committer: silverhand-bot <bot@silverhand.io>
          author: silverhand-bot <bot@silverhand.io>
          base: master
          branch: release/version-${{ matrix.group }}-packages
          title: 'release: version ${{ matrix.group }} packages'
          body: 'This is an automatic pull request from the result of `node .scripts/version.js ${{ matrix.group }}` command. Merge it will trigger the publish flow for versioned packages.'