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<!DOCTYPE html>
<html>
<head>
  <meta name="color-scheme" content="light dark">
  <style>
    html, body {
      margin: 0;
      padding: 0;
      overflow: hidden;
      background: transparent;
    }
    body {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 340px;
      width: 340px;
    }
    img {
      width: 300px;
      height: 300px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
  </style>
</head>
<body>
  <div id="qr"></div>
  <script type="module">
    import { App } from "https://unpkg.com/@modelcontextprotocol/ext-apps@0.3.1/app-with-deps";

    const app = new App({ name: "QR Widget", version: "1.0.0" });

    app.ontoolresult = ({ content }) => {
      const img = content?.find(c => c.type === 'image');
      if (img) {
        const qrDiv = document.getElementById('qr');
        qrDiv.innerHTML = '';

        const allowedTypes = ['image/png', 'image/jpeg', 'image/gif'];
        const mimeType = allowedTypes.includes(img.mimeType) ? img.mimeType : 'image/png';

        const image = document.createElement('img');
        image.src = `data:${mimeType};base64,${img.data}`;
        image.alt = "QR Code";
        qrDiv.appendChild(image);
      }
    };

    function handleHostContextChanged(ctx) {
      if (ctx.safeAreaInsets) {
        document.body.style.paddingTop = `${ctx.safeAreaInsets.top}px`;
        document.body.style.paddingRight = `${ctx.safeAreaInsets.right}px`;
        document.body.style.paddingBottom = `${ctx.safeAreaInsets.bottom}px`;
        document.body.style.paddingLeft = `${ctx.safeAreaInsets.left}px`;
      }
    }

    app.onhostcontextchanged = handleHostContextChanged;

    await app.connect();
    const ctx = app.getHostContext();
    if (ctx) {
      handleHostContextChanged(ctx);
    }
  </script>
</body>
</html>