import { afterAll, expect, test } from "bun:test";
import { mkdirSync, mkdtempSync, readFileSync, readdirSync, rmSync, writeFileSync } from "node:fs";
import { join } from "node:path";
import { runBuild } from "../src/build.ts";
const scratch = join(import.meta.dir, ".tmp-client-dependency");
mkdirSync(scratch, { recursive: true });
afterAll(() => rmSync(scratch, { recursive: true, force: true }));
test("changing a bundled dependency changes the immutable client URL", async () => {
  const root = mkdtempSync(join(scratch, "app-"));
  mkdirSync(join(root, "app/pages"), { recursive: true });
  writeFileSync(join(root, "package.json"), JSON.stringify({ name: "client-cache-fixture" }));
  writeFileSync(join(root, "wrnexus.config.ts"), "export default {};\n");
  writeFileSync(
    join(root, "app/pages/index.wrn"),
    'import {message} from "../message.ts"\npage Home { functions { client function show(){alert(message)} } view { <button type="button" on:click={show()}>Show message</button> } }',
  );
  const files: string[] = [];
  for (const message of ["first dependency", "updated dependency"]) {
    writeFileSync(join(root, "app/message.ts"), `export const message=${JSON.stringify(message)};`);
    await runBuild(root);
    const file = readdirSync(join(root, "dist/client")).find(
      (name) =>
        name.startsWith("index-") &&
        readFileSync(join(root, "dist/client", name), "utf8").includes(message),
    );
    expect(file).toBeDefined();
    files.push(file!);
    expect(readFileSync(join(root, "dist/server.js"), "utf8")).toContain(
      `/__wrnexus/client/${file}`,
    );
  }
  expect(files[0]).not.toBe(files[1]);
}, 120000);