import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { afterAll, describe, expect, it } from "vitest";
import { createApp } from "../src/http/app.ts";
import { EventBus } from "../src/http/sse.ts";
import { json, memoryLogger } from "./helpers.ts";

const root = mkdtempSync(join(tmpdir(), "umt-web-"));
mkdirSync(join(root, "assets"));
writeFileSync(join(root, "index.html"), "<!doctype html><title>SPA</title>");
writeFileSync(join(root, "assets", "app.js"), "console.log(1)");
afterAll(() => rmSync(root, { recursive: true, force: true }));

function app() {
  return createApp({
    config: { NODE_ENV: "production" },
    logger: memoryLogger().logger,
    bus: new EventBus(5),
    role: "all",
    version: "0.0.0-test",
    webRoot: root,
  });
}

describe("单容器静态托管(WEB_ROOT)", () => {
  it("存在的文件直接返回", async () => {
    const res = await app().request("/assets/app.js");
    expect(res.status).toBe(200);
    expect(await res.text()).toBe("console.log(1)");
  });

  it("首页与前端路由回退 index.html", async () => {
    for (const path of ["/", "/settings", "/library/123"]) {
      const res = await app().request(path);
      expect(res.status, path).toBe(200);
      expect(res.headers.get("content-type")).toContain("text/html");
      expect(await res.text()).toContain("<title>SPA</title>");
    }
  });

  it("/api 下的未知路径不回退,仍是 JSON", async () => {
    const health = await app().request("/api/v1/health");
    expect((await json(health)).ok).toBe(true);
    const res = await app().request("/api/nope");
    expect(res.status).toBe(404);
    expect((await json(res)).error.code).toBe("not_found");
  });
});