name: Release

on:
  push:
    branches:
      - main
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: false

permissions:
  contents: read

jobs:
  check-release:
    name: Check for new version
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      should_release: ${{ steps.check.outputs.should_release }}
      needs_github_release: ${{ steps.check.outputs.needs_github_release }}
      version: ${{ steps.check.outputs.version }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Compare package.json version to npm and check GitHub release
        id: check
        run: |
          LOCAL_VERSION=$(node -p "require('./packages/core/package.json').version")
          echo "Local version: $LOCAL_VERSION"

          NPM_VERSION=$(npm view @json-render/core version 2>/dev/null || echo "0.0.0")
          echo "npm version: $NPM_VERSION"

          if [ "$LOCAL_VERSION" != "$NPM_VERSION" ]; then
            echo "Version changed: $NPM_VERSION -> $LOCAL_VERSION"
            echo "should_release=true" >> "$GITHUB_OUTPUT"
            echo "needs_github_release=true" >> "$GITHUB_OUTPUT"
          else
            echo "Version unchanged on npm, skipping build and publish"
            echo "should_release=false" >> "$GITHUB_OUTPUT"

            TAG="v$LOCAL_VERSION"
            if gh release view "$TAG" &>/dev/null; then
              echo "GitHub release $TAG exists"
              echo "needs_github_release=false" >> "$GITHUB_OUTPUT"
            else
              echo "GitHub release $TAG is missing, will create it"
              echo "needs_github_release=true" >> "$GITHUB_OUTPUT"
            fi
          fi
          echo "version=$LOCAL_VERSION" >> "$GITHUB_OUTPUT"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  publish:
    name: Publish to npm
    needs: check-release
    if: needs.check-release.outputs.should_release == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 15
    environment: Release
    permissions:
      contents: read
      id-token: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install pnpm
        uses: pnpm/action-setup@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm
          registry-url: "https://registry.npmjs.org"

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build packages
        run: pnpm run build

      - name: Publish all public packages
        run: pnpm -r publish --provenance --no-git-checks --access public --filter '@json-render/*'

  github-release:
    name: Create GitHub Release
    needs: [check-release, publish]
    if: >-
      always()
      && needs.check-release.outputs.needs_github_release == 'true'
      && (needs.publish.result == 'success' || needs.publish.result == 'skipped')
    runs-on: ubuntu-latest
    timeout-minutes: 10
    permissions:
      contents: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Extract changelog entry
        run: |
          VERSION="${{ needs.check-release.outputs.version }}"
          awk '/<!-- release:start -->/{found=1; next} /<!-- release:end -->/{found=0} found{print}' CHANGELOG.md > /tmp/release-notes.md

          LINES=$(wc -l < /tmp/release-notes.md | tr -d ' ')
          if [ "$LINES" -lt 2 ]; then
            echo "Error: No release notes found between <!-- release:start --> and <!-- release:end --> markers in CHANGELOG.md"
            exit 1
          fi
          echo "Extracted release notes for $VERSION ($LINES lines)"

      - name: Create GitHub Release
        run: |
          VERSION="${{ needs.check-release.outputs.version }}"
          TAG="v$VERSION"

          if gh release view "$TAG" &>/dev/null; then
            echo "Release $TAG already exists"
          else
            echo "Creating release $TAG..."
            gh release create "$TAG" \
              --title "$TAG" \
              --target ${{ github.sha }} \
              --notes-file /tmp/release-notes.md
          fi
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}