import { afterEach, describe, expect, it, vi } from 'vitest';
import { createApiClient } from '../src/lib/api/client';

const tokenStore = {
    load: () => null as string | null,
    save: vi.fn(),
};

afterEach(() => {
    vi.unstubAllGlobals();
    tokenStore.save.mockReset();
});

describe('login 2FA client', () => {
    it('returns needsTotp without storing a session token', async () => {
        vi.stubGlobal(
            'fetch',
            vi.fn(
                async () =>
                    new Response(
                        JSON.stringify({
                            success: false,
                            needsTotp: true,
                        }),
                        {
                            status: 200,
                            headers: { 'content-type': 'application/json' },
                        },
                    ),
            ),
        );

        const client = createApiClient({ tokenStore });
        await expect(client.login('Correct-Horse-1!')).resolves.toEqual({
            ok: false,
            needsTotp: true,
        });
        expect(tokenStore.save).not.toHaveBeenCalled();
    });

    it('sends the TOTP on the second login request and stores the session', async () => {
        const fetchMock = vi.fn(
            async () =>
                new Response(
                    JSON.stringify({
                        success: true,
                        token: 'session-token',
                        mustChangePassword: false,
                    }),
                    {
                        status: 200,
                        headers: { 'content-type': 'application/json' },
                    },
                ),
        );
        vi.stubGlobal('fetch', fetchMock);

        const client = createApiClient({ tokenStore });
        await expect(client.login('Correct-Horse-1!', { totp: '287082' })).resolves.toEqual({
            ok: true,
            mustChangePassword: false,
        });
        expect(fetchMock).toHaveBeenCalledWith(
            '/api/login',
            expect.objectContaining({
                method: 'POST',
                body: JSON.stringify({ password: 'Correct-Horse-1!', totp: '287082' }),
            }),
        );
        expect(tokenStore.save).toHaveBeenCalledWith('session-token');
    });
});