import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { buildApp } from "../src/app";
import { loadConfig } from "../src/config";
import { testConfig } from "./helpers";

describe("server skeleton", () => {
  const app = buildApp(testConfig());
  let baseUrl = "";

  beforeAll(async () => {
    baseUrl = await app.listen({ host: "127.0.0.1", port: 0 });
  });
  afterAll(() => app.close());

  it("answers the health endpoint over HTTP", async () => {
    const response = await fetch(`${baseUrl}/api/health`);
    expect(response.status).toBe(200);
    expect(await response.json()).toEqual({ status: "ok" });
  });
});

describe("config loading", () => {
  it("rejects a missing database URL and a short auth secret, listing both", () => {
    expect(() =>
      loadConfig({ BETTER_AUTH_SECRET: "short", BETTER_AUTH_URL: "http://localhost:3000" }),
    ).toThrow(/DATABASE_URL[\s\S]*BETTER_AUTH_SECRET|BETTER_AUTH_SECRET[\s\S]*DATABASE_URL/);
  });

  it("applies defaults", () => {
    const config = loadConfig({
      DATABASE_URL: "postgres://u:p@localhost:5432/db",
      BETTER_AUTH_SECRET: "x".repeat(32),
      BETTER_AUTH_URL: "http://localhost:3000",
    });
    expect(config).toMatchObject({ env: "development", port: 3000, logLevel: "info" });
  });
});