/**
 * @module api
 * @description Kommunikations-Layer für die /max-outlier-results API.
 * Bietet Funktionen für das Abrufen von Analyseergebnissen.
 */

/**
 * Führt einen GET-Request an /max-outlier-results aus und gibt das JSON-Ergebnis zurück.
 *
 * @async
 * @function fetchMaxOutlierResults
 * @param {string} [baseUrl='/max-outlier-results'] - Basis-URL der API.
 * @param {Object} [filters={}] - Optionale Filterparameter (run_id, parallelism, stratum).
 * @returns {Promise<Array<{run_id: string, parallelism: number, stratum: string, delta_t: number, p95: number, p99: number, retry_status: string}>>}
 */
export async function fetchMaxOutlierResults(baseUrl = '/max-outlier-results', filters = {}) {
  try {
    const params = new URLSearchParams();
    Object.entries(filters).forEach(([key, value]) => {
      if (value !== undefined && value !== null && value !== '') {
        params.append(key, value);
      }
    });

    const url = params.toString() ? `${baseUrl}?${params.toString()}` : baseUrl;

    const response = await fetch(url, {
      method: 'GET',
      headers: { 'Accept': 'application/json' }
    });

    if (!response.ok) {
      throw new Error(`API request failed with status ${response.status}`);
    }

    const data = await response.json();
    if (!Array.isArray(data)) {
      console.warn('Unexpected API response format, expected an array.');
      return [];
    }

    return data;
  } catch (error) {
    console.error('Error fetching Max-Outlier results:', error);
    return [];
  }
}