import client from '@/api/client';
import type { ApiListResponse, ApiResponse } from '@/types/api';
import type { AuthUser, LoginCredentials, LoginResponse, RefreshResponse } from '../types';

/**
 * Endpoint constants live here (not scattered in components).
 * Contract per backend `aplp.backend.spring` (candidate, confirm at Phase 0).
 */
const ENDPOINTS = {
  login: '/auth/login',
  logout: '/auth/logout',
  refresh: '/auth/refresh',
  me: '/auth/me',
} as const;

export const authApi = {
  async login(credentials: LoginCredentials): Promise<LoginResponse> {
    const { data } = await client.post<ApiResponse<LoginResponse>>(ENDPOINTS.login, credentials);
    return data.data;
  },

  async logout(): Promise<void> {
    await client.post(ENDPOINTS.logout);
  },

  async refresh(): Promise<RefreshResponse> {
    const { data } = await client.post<ApiResponse<RefreshResponse>>(ENDPOINTS.refresh);
    return data.data;
  },

  async getMe(): Promise<AuthUser> {
    const { data } = await client.get<ApiResponse<AuthUser>>(ENDPOINTS.me);
    return data.data;
  },

  async listUsers(): Promise<ApiListResponse<AuthUser>> {
    const { data } = await client.get<ApiListResponse<AuthUser>>('/users');
    return data;
  },
};