// Copyright (c) 2026 Gordon Bolton. MIT License.
/**
 * Helper functions for extracting user information from Ombi API responses.
 * The Ombi API returns requestedUser as an OmbiStore.Entities.OmbiUser object,
 * not a string, so we need to extract the username from the object.
 */

/**
 * Extracts the username from an Ombi request object.
 * Handles both the OmbiUser object format and legacy string format.
 * 
 * @param {Object} request - The Ombi request object
 * @returns {string} The extracted username, or empty string if not found
 */
function extractRequestedUser(request) {
  if (!request) return '';
  
  const requestedUser = request.requestedUser || request.RequestedUser;
  
  // Handle object format: OmbiStore.Entities.OmbiUser
  if (requestedUser && typeof requestedUser === 'object') {
    // Priority: alias > userAlias > userName > normalizedUserName > requestedByAlias
    return requestedUser.alias || requestedUser.Alias ||
           requestedUser.userAlias || requestedUser.UserAlias ||
           requestedUser.userName || requestedUser.UserName ||
           requestedUser.normalizedUserName || requestedUser.NormalizedUserName ||
           request.requestedByAlias || request.RequestedByAlias || '';
  }
  // Handle string format (fallback for compatibility)
  return requestedUser || request.requestedByAlias || request.RequestedByAlias || '';
}

function filterRequestsByUser(requests, username, showAll) {
  if (!Array.isArray(requests)) return [];
  if (showAll || !username) return requests;
  const usernameLower = username.toLowerCase();
  return requests.filter(req => {
    const requestedUser = extractRequestedUser(req);
    return requestedUser.toLowerCase() === usernameLower;
  });
}

module.exports = {
  extractRequestedUser,
  filterRequestsByUser
};