release.yml

name: Checks and release

on:
  push:
    branches:
      - main
  pull_request:
    types: [opened, synchronize, reopened]
  # Manual release support - consolidated here to work with npm trusted publishing
  # npm only allows ONE workflow file as trusted publisher, so all publishing
  # must go through this workflow (release.yml)
  workflow_dispatch:
    inputs:
      release_mode:
        description: 'Manual release mode'
        required: true
        type: choice
        default: 'instant'
        options:
          - instant
          - changeset-pr
      bump_type:
        description: 'Manual release type'
        required: true
        type: choice
        options:
          - patch
          - minor
          - major
      description:
        description: 'Manual release description (optional)'
        required: false
        type: string

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

jobs:
  # Changeset check - only runs on PRs
  changeset-check:
    name: Check for Changesets
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'

      - name: Install dependencies
        run: npm install

      - name: Check for changesets
        run: |
          # Skip changeset check for automated version PRs
          if [[ "${{ github.head_ref }}" == "changeset-release/"* ]]; then
            echo "Skipping changeset check for automated release PR"
            exit 0
          fi

          # Run changeset validation script
          node scripts/validate-changeset.mjs

  # Linting and formatting - runs after changeset check on PRs, immediately on main
  lint:
    name: Lint and Format Check
    runs-on: ubuntu-latest
    needs: [changeset-check]
    if: always() && (github.event_name == 'push' || needs.changeset-check.result == 'success')
    steps:
      - uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'

      - name: Install dependencies
        run: npm install

      - name: Run ESLint
        run: npm run lint

      - name: Check formatting
        run: npm run format:check

      - name: Check file size limit
        run: npm run check:file-size

  # Test matrix: Bun on 3 OS (Ubuntu, macOS, Windows)
  test:
    name: Test (Bun on ${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    needs: [changeset-check]
    if: always() && (github.event_name == 'push' || needs.changeset-check.result == 'success')
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
      - uses: actions/checkout@v4

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun install

      - name: Run tests
        run: bun test
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # Test both gh CLI and API modes explicitly
  test-modes:
    name: Test Modes (gh CLI and API)
    runs-on: ubuntu-latest
    needs: [changeset-check]
    if: always() && (github.event_name == 'push' || needs.changeset-check.result == 'success')
    steps:
      - uses: actions/checkout@v4

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun install

      - name: Test gh CLI mode
        run: |
          # Test with gh CLI (should work since GH_TOKEN is set)
          bun run src/gh-load-pull-request.mjs link-foundation/gh-load-pull-request#2 --force-gh --format json > gh-output.json
          echo "gh CLI mode test passed"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Test API mode
        run: |
          # Test with API mode
          bun run src/gh-load-pull-request.mjs link-foundation/gh-load-pull-request#2 --force-api --format json > api-output.json
          echo "API mode test passed"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Compare outputs
        run: |
          # Parse and compare key fields
          GH_NUMBER=$(cat gh-output.json | bun -e "console.log(JSON.parse(await Bun.stdin.text()).pullRequest.number)")
          API_NUMBER=$(cat api-output.json | bun -e "console.log(JSON.parse(await Bun.stdin.text()).pullRequest.number)")

          if [ "$GH_NUMBER" != "$API_NUMBER" ]; then
            echo "PR number mismatch: gh=$GH_NUMBER api=$API_NUMBER"
            exit 1
          fi

          echo "Both modes produce consistent output for PR #$GH_NUMBER"

  # Release - only runs on main after tests pass (for push events)
  release:
    name: Release
    needs: [lint, test, test-modes]
    # Use always() to ensure this job runs even if changeset-check was skipped
    # This is needed because lint/test jobs have a transitive dependency on changeset-check
    if: always() && github.ref == 'refs/heads/main' && github.event_name == 'push' && needs.lint.result == 'success' && needs.test.result == 'success' && needs.test-modes.result == 'success'
    runs-on: ubuntu-latest
    # Permissions required for npm OIDC trusted publishing
    permissions:
      contents: write
      pull-requests: write
      id-token: write
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'
          registry-url: 'https://registry.npmjs.org'

      - name: Install dependencies
        run: npm install

      - name: Update npm for OIDC trusted publishing
        run: node scripts/setup-npm.mjs

      - name: Check for changesets
        id: check_changesets
        run: |
          # Count changeset files (excluding README.md and config.json)
          CHANGESET_COUNT=$(find .changeset -name "*.md" ! -name "README.md" | wc -l)
          echo "Found $CHANGESET_COUNT changeset file(s)"
          echo "has_changesets=$([[ $CHANGESET_COUNT -gt 0 ]] && echo 'true' || echo 'false')" >> $GITHUB_OUTPUT

      - name: Version packages and commit to main
        if: steps.check_changesets.outputs.has_changesets == 'true'
        id: version
        run: node scripts/version-and-commit.mjs --mode changeset

      - name: Publish to npm
        # Run if version was committed OR if a previous attempt already committed (for re-runs)
        if: steps.version.outputs.version_committed == 'true' || steps.version.outputs.already_released == 'true'
        id: publish
        run: node scripts/publish-to-npm.mjs --should-pull

      - name: Create GitHub Release
        if: steps.publish.outputs.published == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: node scripts/create-github-release.mjs --release-version "${{ steps.publish.outputs.published_version }}" --repository "${{ github.repository }}"

      - name: Format GitHub release notes
        if: steps.publish.outputs.published == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: node scripts/format-github-release.mjs --release-version "${{ steps.publish.outputs.published_version }}" --repository "${{ github.repository }}" --commit-sha "${{ github.sha }}"

  # Manual Instant Release - triggered via workflow_dispatch with instant mode
  # This job is in release.yml because npm trusted publishing
  # only allows one workflow file to be registered as a trusted publisher
  instant-release:
    name: Instant Release
    if: github.event_name == 'workflow_dispatch' && github.event.inputs.release_mode == 'instant'
    runs-on: ubuntu-latest
    # Permissions required for npm OIDC trusted publishing
    permissions:
      contents: write
      pull-requests: write
      id-token: write
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'
          registry-url: 'https://registry.npmjs.org'

      - name: Install dependencies
        run: npm install

      - name: Update npm for OIDC trusted publishing
        run: node scripts/setup-npm.mjs

      - name: Version packages and commit to main
        id: version
        run: node scripts/version-and-commit.mjs --mode instant --bump-type "${{ github.event.inputs.bump_type }}" --description "${{ github.event.inputs.description }}"

      - name: Publish to npm
        # Run if version was committed OR if a previous attempt already committed (for re-runs)
        if: steps.version.outputs.version_committed == 'true' || steps.version.outputs.already_released == 'true'
        id: publish
        run: node scripts/publish-to-npm.mjs

      - name: Create GitHub Release
        if: steps.publish.outputs.published == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: node scripts/create-github-release.mjs --release-version "${{ steps.publish.outputs.published_version }}" --repository "${{ github.repository }}"

      - name: Format GitHub release notes
        if: steps.publish.outputs.published == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: node scripts/format-github-release.mjs --release-version "${{ steps.publish.outputs.published_version }}" --repository "${{ github.repository }}" --commit-sha "${{ github.sha }}"

  # Manual Changeset PR - creates a pull request with the changeset for review
  changeset-pr:
    name: Create Changeset PR
    if: github.event_name == 'workflow_dispatch' && github.event.inputs.release_mode == 'changeset-pr'
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'

      - name: Install dependencies
        run: npm install

      - name: Create changeset file
        run: node scripts/create-manual-changeset.mjs --bump-type "${{ github.event.inputs.bump_type }}" --description "${{ github.event.inputs.description }}"

      - name: Format changeset with Prettier
        run: |
          # Run Prettier on the changeset file to ensure it matches project style
          npx prettier --write ".changeset/*.md" || true

          echo "Formatted changeset files"

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: 'chore: add changeset for manual ${{ github.event.inputs.bump_type }} release'
          branch: changeset-manual-release-${{ github.run_id }}
          delete-branch: true
          title: 'chore: manual ${{ github.event.inputs.bump_type }} release'
          body: |
            ## Manual Release Request

            This PR was created by a manual workflow trigger to prepare a **${{ github.event.inputs.bump_type }}** release.

            ### Release Details
            - **Type:** ${{ github.event.inputs.bump_type }}
            - **Description:** ${{ github.event.inputs.description || 'Manual release' }}
            - **Triggered by:** @${{ github.actor }}

            ### Next Steps
            1. Review the changeset in this PR
            2. Merge this PR to main
            3. The automated release workflow will create a version PR
            4. Merge the version PR to publish to npm and create a GitHub release