import { describe, it, expect } from 'vitest';
import { Hono } from 'hono';

import { searchRouter } from '../src/routes/search.ts';
import type { CardsDb } from '../src/db/connection.ts';

function buildApp() {
	const stub = {
		select: () => ({
			from: () => ({
				innerJoin: () => ({
					where: () => ({ orderBy: () => ({ limit: () => [] }) }),
				}),
			}),
		}),
	};
	const app = new Hono();
	app.route('/api/v1/search', searchRouter({ db: stub as unknown as CardsDb }));
	return { app };
}

describe('searchRouter — Auth-Gate', () => {
	it('GET ohne X-User-Id ist 401', async () => {
		const { app } = buildApp();
		const res = await app.request('/api/v1/search?q=foo');
		expect(res.status).toBe(401);
	});
});

describe('searchRouter — Query-Validation', () => {
	it('GET ohne q ist 422', async () => {
		const { app } = buildApp();
		const res = await app.request('/api/v1/search', {
			headers: { 'X-User-Id': 'u-1' },
		});
		expect(res.status).toBe(422);
	});

	it('GET mit q über 500 Zeichen ist 422', async () => {
		const { app } = buildApp();
		const long = 'x'.repeat(501);
		const res = await app.request(`/api/v1/search?q=${encodeURIComponent(long)}`, {
			headers: { 'X-User-Id': 'u-1' },
		});
		expect(res.status).toBe(422);
	});

	it('GET mit gültigem q liefert SearchResultEnvelope', async () => {
		const { app } = buildApp();
		const res = await app.request('/api/v1/search?q=Konfuzius', {
			headers: { 'X-User-Id': 'u-1' },
		});
		expect(res.status).toBe(200);
		const body = (await res.json()) as {
			envelope_version: string;
			query: string;
			app: string;
			results: unknown[];
			partial: boolean;
		};
		expect(body.envelope_version).toBe('0.1');
		expect(body.query).toBe('Konfuzius');
		expect(body.app).toBe('cards');
		expect(Array.isArray(body.results)).toBe(true);
		expect(body.partial).toBe(false);
	});
});