name: Deploy to GitHub Pages

on:
  push:
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        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 Next.js
        run: npm run build
        env:
          BUILD_STATIC: 'true'
          CI: 'true'
          GITHUB_PAGES: 'true'
          NEXT_PUBLIC_FLASK_BACKEND_URL: ${{ vars.NEXT_PUBLIC_FLASK_BACKEND_URL || '' }}
          NEXT_PUBLIC_BASE_PATH: ${{ vars.NEXT_PUBLIC_BASE_PATH || format('/{0}', github.event.repository.name) }}

      - name: Setup Pages
        uses: actions/configure-pages@v4
        with:
          enablement: true

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: './out'

  deploy:
    outputs:
      page_url: ${{ steps.deployment.outputs.page_url }}
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4

      - name: Publish deployment URL
        run: |
          echo "GitHub Pages deployed to: ${{ steps.deployment.outputs.page_url }}" >> "$GITHUB_STEP_SUMMARY"
          echo "page_url=${{ steps.deployment.outputs.page_url }}" >> "$GITHUB_OUTPUT"
          echo "::notice::GitHub Pages URL: ${{ steps.deployment.outputs.page_url }}"

  summarize:
    needs: deploy
    runs-on: ubuntu-latest
    steps:
      - name: Summarize GitHub Pages URL
        run: |
          echo "GitHub Pages URL: ${{ needs.deploy.outputs.page_url }}" >> "$GITHUB_STEP_SUMMARY"
          echo "::notice::GitHub Pages URL: ${{ needs.deploy.outputs.page_url }}"