gamestream-webtransport-proxy/frontend/src/routes/getStreamData.ts

import { getToken, handleUnauthorized } from './stores/authStore.svelte';

type StreamData = {
  Url: string,
  CertHash: Array<number>,
  Width: number,
  Height: number,
  StreamToken: string,
}

export async function getStreamData(appId: number, server_name: string): Promise<StreamData> {
  try {
    // Create the POST request payload
    const width = 1920;
    const height = 1080;

    const payload = {
      id: appId,
      server: server_name,
      server_mode: {
        fps: 60,
        width: width,
        height: height,
      },
      stream_config: {
        bitrate_kbps: 1024 * 10 * 5,
        mode: {
          fps: 60,
          width: width,
          height: height,
        }
      }
    };

    // Make POST request to start stream
    const response = await fetch('/api/stream/start', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Authorization': `Bearer ${getToken()}`,
      },
      body: JSON.stringify(payload)
    });

    if (response.status === 401) {
      handleUnauthorized();
      throw new Error('Unauthorized');
    }

    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}: ${await response.text()}`);
    }

    const streamDataResp = await response.json();
    console.log('Stream started:', streamDataResp);

    let streamData: StreamData = {
      Url: streamDataResp.url,
      CertHash: streamDataResp.cert_hash,
      Width: width,
      Height: height,
      StreamToken: streamDataResp.stream_token,
    };
    return streamData;

  } catch (error) {
    console.error('Error getting stream data: ', error);
    throw new Error('Failed to start stream: ' + error);
  }
}