ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm ci

      - name: Run Prettier
        run: npx prettier --check .

      - name: Run ESLint
        run: npx eslint .

  typecheck:
    name: Type Check
    runs-on: ubuntu-latest
    # Non-blocking: svelte-check has incomplete Svelte 5 runes support
    # causing false positives. Re-enable when svelte-check improves.
    continue-on-error: true
    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm ci

      - name: Run svelte-check
        run: npm run check

  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm ci

      - name: Run tests
        run: npm test -- --run

      - name: Run tests with coverage
        run: npm run test:coverage

      - name: Upload coverage reports
        uses: codecov/codecov-action@v4
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: false
        continue-on-error: true

  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm ci

      - name: Build
        run: npm run build

  release-check:
    name: Release Check
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check for version and changelog updates
        run: |
          # Check for skip label
          if gh pr view ${{ github.event.pull_request.number }} --json labels -q '.labels[].name' | grep -q "skip-release-check"; then
            echo "⏭️ Skipping release check (skip-release-check label)"
            exit 0
          fi

          # Get changed files
          CHANGED_FILES=$(git diff --name-only origin/main...HEAD)

          # Check for version change
          MAIN_VERSION=$(git show origin/main:package.json | grep '"version"' | sed 's/.*: *"\([^"]*\)".*/\1/')
          PR_VERSION=$(grep '"version"' package.json | sed 's/.*: *"\([^"]*\)".*/\1/')

          VERSION_CHANGED=false
          if [ "$MAIN_VERSION" != "$PR_VERSION" ]; then
            VERSION_CHANGED=true
            echo "✅ Version changed: $MAIN_VERSION → $PR_VERSION"
          fi

          # Check for changelog update
          CHANGELOG_CHANGED=false
          if echo "$CHANGED_FILES" | grep -q "^CHANGELOG.md$"; then
            CHANGELOG_CHANGED=true
            echo "✅ CHANGELOG.md updated"
          fi

          # Both must be present, or neither (for non-release PRs)
          if [ "$VERSION_CHANGED" = true ] && [ "$CHANGELOG_CHANGED" = true ]; then
            echo ""
            echo "✅ Release PR: version bumped and changelog updated"
            exit 0
          elif [ "$VERSION_CHANGED" = false ] && [ "$CHANGELOG_CHANGED" = false ]; then
            echo ""
            echo "✅ Non-release PR: no version or changelog changes"
            exit 0
          else
            echo ""
            echo "❌ Incomplete release changes!"
            echo ""
            if [ "$VERSION_CHANGED" = true ]; then
              echo "   - Version was changed but CHANGELOG.md was not updated"
            else
              echo "   - CHANGELOG.md was updated but version was not bumped"
            fi
            echo ""
            echo "For a release, you must update BOTH:"
            echo "  1. version in package.json"
            echo "  2. CHANGELOG.md with release notes"
            echo ""
            echo "Or add the 'skip-release-check' label to bypass this check."
            exit 1
          fi
        env:
          GH_TOKEN: ${{ github.token }}