import { expect, test } from "vitest";

import { GET } from "../../../app/api/libraries/[libraryType]/route";

test("returns honest placeholder library data for unsupported backend modules", async () => {
  const response = await GET(new Request("http://localhost/api/libraries/models"), {
    params: Promise.resolve({ libraryType: "models" }),
  });
  const payload = await response.json();

  expect(response.status).toBe(200);
  expect(payload).toMatchObject({
    mode: "placeholder",
    data: {
      items: expect.arrayContaining([
        expect.objectContaining({
          libraryType: "models",
          isMock: true,
        }),
      ]),
    },
    message: "资源库当前使用占位数据，真实后端接口尚未提供。",
  });
});

test("rejects unsupported placeholder library types with a normalized error", async () => {
  const response = await GET(new Request("http://localhost/api/libraries/unknown"), {
    params: Promise.resolve({ libraryType: "unknown" }),
  });
  const payload = await response.json();

  expect(response.status).toBe(404);
  expect(payload).toEqual({
    error: "NOT_FOUND",
    message: "不支持的资源库类型。",
  });
});

test("rejects inherited object keys instead of treating them as valid library types", async () => {
  const response = await GET(new Request("http://localhost/api/libraries/toString"), {
    params: Promise.resolve({ libraryType: "toString" }),
  });
  const payload = await response.json();

  expect(response.status).toBe(404);
  expect(payload).toEqual({
    error: "NOT_FOUND",
    message: "不支持的资源库类型。",
  });
});