Authentication

import { SmartbillsClient } from '@smartbills/sdk';

const client = new SmartbillsClient({
  accessToken: 'YOUR_API_KEY',
  businessId: 123,
  locale: 'en-CA',
  baseUrl: 'https://api.smartbills.io', // default
  timeout: 30000,                       // ms, default
  maxRetries: 2,                        // default
  retryDelay: 1000,                     // ms, default
});

// Update the access token (e.g., after token refresh)
client.setAccessToken('NEW_TOKEN');

// Switch business context
client.setBusinessId(456);

// Change locale
client.setLocale('fr-CA');

console.log(client.accessToken);  // current token or undefined
console.log(client.businessId);   // current business ID or undefined
console.log(client.locale);       // current locale or undefined

// Use a different business context for one request
const expenses = await client.expenses.listBusiness(
  { limit: 10 },
  { businessId: 789, locale: 'fr-CA' }
);

type RequestOptions = {
  businessId?: number;  // Override the default business ID
  locale?: string;      // Override the default locale
  signal?: AbortSignal; // Cancel the request
};

const controller = new AbortController();

// Cancel after 5 seconds
setTimeout(() => controller.abort(), 5000);

try {
  const data = await client.expenses.listBusiness(
    { limit: 100 },
    { signal: controller.signal }
  );
} catch (error) {
  if (error.name === 'CanceledError') {
    console.log('Request was cancelled');
  }
}

import { CredentialProvider, AccessToken } from '@smartbills/sdk';

// Simple in-memory token
const credentials = new AccessToken('initial-token');
console.log(credentials.getAccessToken()); // 'initial-token'

// Update later
credentials.setToken('refreshed-token');

import type { CredentialProvider } from '@smartbills/sdk';

class MyAuthProvider implements CredentialProvider {
  private token?: string;

  getAccessToken(): string | undefined {
    return this.token;
  }

  async onTokenExpired(): Promise<string | undefined> {
    // Fetch a new token from your auth server
    const response = await fetch('/auth/refresh', { method: 'POST' });
    const { accessToken } = await response.json();
    this.token = accessToken;
    return this.token;
  }
}

const client = new SmartbillsClient({
  accessToken: 'YOUR_API_KEY',
});

// Fetch expenses for business 100
const biz100Expenses = await client.expenses.listBusiness(
  { limit: 10 },
  { businessId: 100 }
);

// Fetch expenses for business 200
const biz200Expenses = await client.expenses.listBusiness(
  { limit: 10 },
  { businessId: 200 }
);