/**
 * Profile API Client
 *
 * Functions for fetching and updating profiles from the profile backend.
 */

import type { ProfileData, ProfileType, ProfileUpdateData } from './types';

/**
 * Fetch all profiles for the current user.
 */
export async function fetchAllProfiles(
  baseUrl: string,
  authHeaders?: Record<string, string>
): Promise<ProfileData[]> {
  const response = await fetch(`${baseUrl}/api/profile/all`, {
    headers: authHeaders,
  });

  if (response.status === 404) {
    return [];
  }

  if (!response.ok) {
    throw new Error(`Failed to fetch profiles: ${response.statusText}`);
  }

  return response.json();
}

/**
 * Fetch a specific profile by type.
 */
export async function fetchProfileByType(
  baseUrl: string,
  type: ProfileType,
  authHeaders?: Record<string, string>
): Promise<ProfileData | null> {
  const response = await fetch(`${baseUrl}/api/profile/${type}`, {
    headers: authHeaders,
  });

  if (response.status === 404) {
    return null;
  }

  if (!response.ok) {
    throw new Error(`Failed to fetch profile: ${response.statusText}`);
  }

  return response.json();
}

/**
 * Create or update a profile.
 */
export async function saveProfile(
  baseUrl: string,
  type: ProfileType,
  data: ProfileUpdateData,
  authHeaders?: Record<string, string>
): Promise<ProfileData> {
  const response = await fetch(`${baseUrl}/api/profile/${type}`, {
    method: 'PUT',
    headers: {
      'Content-Type': 'application/json',
      ...authHeaders,
    },
    body: JSON.stringify(data),
  });

  if (!response.ok) {
    const error = await response.json().catch(() => ({ message: response.statusText }));
    throw new Error(error.message || 'Failed to save profile');
  }

  return response.json();
}

/**
 * Get auth headers for API requests.
 * Uses Bearer token if available.
 */
export function getAuthHeaders(accessToken?: string | null): Record<string, string> {
  const headers: Record<string, string> = {};
  if (accessToken) {
    headers['Authorization'] = `Bearer ${accessToken}`;
  }
  return headers;
}