import { html, cssManager } from '@design.estate/dees-element';

export const demoFunc = () => html`
  <style>
    .demo-container {
      padding: 48px;
      background: ${cssManager.bdTheme('#f8f9fa', '#0a0a0a')};
      display: flex;
      flex-direction: column;
      gap: 40px;
    }

    .section {
      max-width: 900px;
      width: 100%;
      margin: 0 auto;
    }

    .section-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 8px;
      color: ${cssManager.bdTheme('#09090b', '#fafafa')};
    }

    .section-description {
      font-size: 14px;
      color: ${cssManager.bdTheme('#71717a', '#a1a1aa')};
      margin-bottom: 16px;
    }

    .preview-image {
      height: 400px;
    }

    .preview-pdf {
      height: 600px;
    }
  </style>

  <div class="demo-container">
    <div class="section">
      <div class="section-title">Image Preview (URL)</div>
      <div class="section-description">Auto-detects image from URL extension and renders with the image viewer.</div>
      <dees-preview
        class="preview-image"
        url="https://images.unsplash.com/photo-1506744038136-46273834b3fb?w=1200"
        filename="landscape.jpg"
      ></dees-preview>
    </div>

    <div class="section">
      <div class="section-title">PDF Preview (URL)</div>
      <div class="section-description">Auto-detects PDF and displays with the PDF viewer including toolbar.</div>
      <dees-preview
        class="preview-pdf"
        url="https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf"
        filename="research-paper.pdf"
      ></dees-preview>
    </div>

    <div class="section">
      <div class="section-title">Code Preview (Text Content)</div>
      <div class="section-description">TypeScript code displayed with syntax highlighting via the codebox.</div>
      <dees-preview
        filename="example.ts"
        language="typescript"
        .textContent=${`import { html, css } from 'lit';

export class MyComponent extends LitElement {
  static styles = css\`
    :host {
      display: block;
      padding: 16px;
    }
  \`;

  render() {
    return html\`<h1>Hello World</h1>\`;
  }
}`}
      ></dees-preview>
    </div>

    <div class="section">
      <div class="section-title">Audio Preview (URL)</div>
      <div class="section-description">Audio file detected by extension, shown with waveform player.</div>
      <dees-preview
        url="https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3"
        filename="song.mp3"
      ></dees-preview>
    </div>

    <div class="section">
      <div class="section-title">Video Preview (URL)</div>
      <div class="section-description">Video file detected from URL, rendered with custom video controls.</div>
      <dees-preview
        url="https://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4"
        filename="big-buck-bunny.mp4"
      ></dees-preview>
    </div>

    <div class="section">
      <div class="section-title">Explicit Type Override</div>
      <div class="section-description">Force content type to 'text' even though the URL has no extension.</div>
      <dees-preview
        contentType="text"
        .textContent=${'This is plain text content.\nIt preserves whitespace and line breaks.\n\nUseful for log files, READMEs, etc.'}
        filename="notes.txt"
      ></dees-preview>
    </div>

    <div class="section">
      <div class="section-title">Unknown Type</div>
      <div class="section-description">When content type cannot be detected, shows a placeholder.</div>
      <dees-preview
        filename="data.bin"
        contentType="unknown"
      ></dees-preview>
    </div>
  </div>
`;