// app/api/files/route.test.js
import { describe, it, expect, beforeAll, afterAll } from "vitest";
import fs from "node:fs/promises";
import os from "node:os";
import path from "node:path";

import { GET as getFiles } from "./route.js";

let tmpRoot;

beforeAll(async () => {
	tmpRoot = await fs.mkdtemp(path.join(os.tmpdir(), "api-files-"));
	process.env.NAS_ROOT_PATH = tmpRoot;

	// tmpRoot/NL01/2024/10/23/test.pdf
	await fs.mkdir(path.join(tmpRoot, "NL01", "2024", "10", "23"), {
		recursive: true,
	});
	await fs.writeFile(
		path.join(tmpRoot, "NL01", "2024", "10", "23", "test.pdf"),
		"content"
	);
});

afterAll(async () => {
	await fs.rm(tmpRoot, { recursive: true, force: true });
});

describe("GET /api/files", () => {
	it("returns files for a valid query", async () => {
		const req = new Request(
			"http://localhost/api/files?branch=NL01&year=2024&month=10&day=23"
		);

		const res = await getFiles(req);
		expect(res.status).toBe(200);

		const body = await res.json();
		expect(body.branch).toBe("NL01");
		expect(body.year).toBe("2024");
		expect(body.month).toBe("10");
		expect(body.day).toBe("23");
		expect(body.files).toEqual([
			{
				name: "test.pdf",
				relativePath: "NL01/2024/10/23/test.pdf",
			},
		]);
	});

	it("returns 400 when query params are missing", async () => {
		const req = new Request("http://localhost/api/files"); // no params

		const res = await getFiles(req);
		expect(res.status).toBe(400);

		const body = await res.json();
		expect(body.error).toBe("branch, year, month, day sind erforderlich");
	});
});