import { describe, test, expect, vi, beforeEach, afterEach } from 'vitest';
import { refund } from './refund';
import { Client } from '@vulog/aima-client';

describe('refund', () => {
    const postMock = vi.fn();
    const client = {
        post: postMock,
        clientOptions: {
            fleetId: 'FLEET_ID',
        },
    } as unknown as Client;

    beforeEach(() => {
        vi.clearAllMocks();
    });

    test('should return invalid args', async () => {
        const payload = {
            invoiceId: 'INVOICE_ID',
            amount: -10, // Invalid amount
        };

        // expect to throw error if invalid args are provided
        await expect(refund(client, payload)).rejects.toThrow('Invalid args');
    });

    test('should process refund successfully', async () => {
        const payload = {
            invoiceId: 'INVOICE_ID',
            amount: 50,
            note: 'Customer requested refund',
            paymentIntentPspReference: undefined,
        };

        postMock.mockResolvedValueOnce({
            data: undefined,
        });

        const result = await refund(client, payload);
        expect(result).toBeUndefined();
        expect(postMock).toHaveBeenCalledWith(
            `/boapi/proxy/billing/fleets/${client.clientOptions.fleetId}/invoices/${payload.invoiceId}/refund`,
            {
                amount: 50,
                note: 'Customer requested refund',
            }
        );
    });
});