import { describe, it, expect, vi, beforeEach } from 'vitest';

vi.mock('$lib/server/api', () => ({
	apiClient: vi.fn(() => ({
		GET: vi.fn()
	}))
}));

vi.mock('$env/dynamic/private', () => ({ env: { BACKEND_URL: 'http://localhost:8080' } }));

describe('members page.server load', () => {
	let load: any;

	beforeEach(async () => {
		vi.resetModules();
		const mod = await import('./+page.server');
		load = mod.load;
	});

	it('returns members and currentUserId', async () => {
		const mockGet = vi.fn().mockImplementation((path: string) => {
			if (path === '/v1/households/mine/members') {
				return {
					data: [
						{ userId: 'u1', displayName: 'Sarah', role: 'planner', joinedAt: '2024-01-01T00:00:00Z' },
						{ userId: 'u2', displayName: 'Tom', role: 'member', joinedAt: '2024-02-01T00:00:00Z' }
					]
				};
			}
			if (path === '/v1/households/mine/invites') {
				return {
					data: {
						data: {
							inviteCode: 'ABC123',
							shareUrl: 'https://x.com/join/ABC123',
							expiresAt: '2024-12-01T00:00:00Z'
						}
					}
				};
			}
			return { data: null };
		});

		const { apiClient } = await import('$lib/server/api');
		(apiClient as ReturnType<typeof vi.fn>).mockReturnValue({ GET: mockGet });

		const result = await load({
			fetch: vi.fn(),
			locals: { benutzer: { id: 'u1', name: 'Sarah', email: 'sarah@example.com' }, haushalt: {} }
		} as any);

		expect(result.members).toHaveLength(2);
		expect(result.currentUserId).toBe('u1');
		expect(result.activeInvite).toBeDefined();
	});

	it('returns null activeInvite when no active invite exists', async () => {
		const mockGet = vi.fn().mockImplementation((path: string) => {
			if (path === '/v1/households/mine/members') return { data: [] };
			if (path === '/v1/households/mine/invites') return { data: null };
			return { data: null };
		});

		const { apiClient } = await import('$lib/server/api');
		(apiClient as ReturnType<typeof vi.fn>).mockReturnValue({ GET: mockGet });

		const result = await load({
			fetch: vi.fn(),
			locals: { benutzer: { id: 'u1', name: 'Sarah', email: 'sarah@example.com' }, haushalt: {} }
		} as any);

		expect(result.activeInvite).toBeNull();
	});
});