name: UI Storybook

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]

defaults:
  run:
    working-directory: packages/ui

jobs:
  files-changed:
    name: Detect File Changes
    runs-on: ubuntu-latest
    outputs:
      ui: ${{ steps.changes.outputs.ui }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Check for file changes
        uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
        id: changes
        with:
          token: ${{ github.token }}
          filters: .github/file-filters.yml

  build:
    name: Build Storybook
    if: needs.files-changed.outputs.ui == 'true'
    needs: files-changed
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version-file: 'packages/ui/.tool-versions'
          cache: 'npm'
          cache-dependency-path: packages/ui/package-lock.json

      - name: Install dependencies
        run: npm ci

      - name: Build Storybook
        run: npm run storybook:build

      - name: Verify build output
        run: |
          echo "Checking Storybook build output..."

          if [ ! -d "storybook-static" ]; then
            echo "::error::storybook-static directory not found"
            exit 1
          fi

          if [ ! -f "storybook-static/index.html" ]; then
            echo "::error::index.html not found in storybook-static"
            exit 1
          fi

          echo "✓ Storybook build verified!"

      - name: Upload Storybook artifacts
        uses: actions/upload-artifact@v6
        with:
          name: storybook-static
          path: packages/ui/storybook-static/
          retention-days: 7