name: Deploy Site

on:
  push:
    branches: [main]
    paths:
      - "platforms/**"
      - "emulators/**"
      - "wiki/**"
      - "scripts/generate_site.py"
      - "scripts/generate_readme.py"
      - "scripts/verify.py"
      - "scripts/common.py"
      - "database.json"
      - "mkdocs.yml"
  workflow_dispatch:

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

concurrency:
  group: deploy-site
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-python@v6
        with:
          python-version: "3.12"

      - run: pip install pyyaml mkdocs-material pymdown-extensions

      - name: Restore large files from release
        run: |
          mkdir -p .cache/large
          gh release download large-files -D .cache/large/ 2>/dev/null || true
          python3 -c "
          import hashlib, json, os, shutil
          db = json.load(open('database.json'))
          with open('.gitignore') as f:
              ignored = {l.strip() for l in f if l.strip().startswith('bios/')}
          cache = '.cache/large'
          if not os.path.isdir(cache):
              exit(0)
          idx = {}
          for fn in os.listdir(cache):
              fp = os.path.join(cache, fn)
              if os.path.isfile(fp):
                  h = hashlib.sha1(open(fp, 'rb').read()).hexdigest()
                  idx[h] = fp
          restored = 0
          for sha1, entry in db['files'].items():
              path = entry['path']
              if path in ignored and not os.path.exists(path):
                  src = idx.get(sha1)
                  if src:
                      os.makedirs(os.path.dirname(path), exist_ok=True)
                      shutil.copy2(src, path)
                      print(f'Restored: {path}')
                      restored += 1
          print(f'Total: {restored} files restored')
          "
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Refresh data directories
        run: python scripts/refresh_data_dirs.py
        continue-on-error: true

      - name: Generate site
        run: |
          python scripts/generate_site.py
          python scripts/generate_readme.py --db database.json --platforms-dir platforms
          mkdocs build

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v4
        with:
          path: site/

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