// Testet die Shell-Skripte: Syntax + Single-Server-Invarianten.

import { test } from "node:test";
import assert from "node:assert/strict";
import { execFileSync } from "node:child_process";
import { readdirSync } from "node:fs";
import { join } from "node:path";
import { repoRoot, readRepoFile } from "./helpers.mjs";

const shellScripts = readdirSync(repoRoot).filter((f) => f.endsWith(".sh"));

for (const script of shellScripts) {
  test(`bash -n: ${script} hat gültige Syntax`, () => {
    // execFileSync wirft bei Exit != 0 (Syntaxfehler).
    execFileSync("bash", ["-n", join(repoRoot, script)]);
  });
}

test("Dual-GPU-Skripte sind entfernt", () => {
  for (const gone of ["start-coder.sh", "start-judge.sh", "start-servers.sh"]) {
    assert.ok(!shellScripts.includes(gone), `${gone} sollte in der Single-GPU-Welt entfernt sein`);
  }
});

test("start-coding-server.sh nutzt eine GPU und registriert Alias coding_model", () => {
  const s = readRepoFile("start-coding-server.sh");
  assert.match(s, /--alias\s+"\$\{MODEL_ALIAS\}"/);
  assert.match(s, /MODEL_ALIAS="coding_model"/);
  assert.match(s, /device=\$\{GPU_DEVICE\}/, "GPU muss konfigurierbar/einzeln sein");
});

test("stop-coding-server.sh stoppt den Single-Container", () => {
  assert.match(readRepoFile("stop-coding-server.sh"), /coding_model/);
});

test("status-coding-server.sh prüft den Single-Container", () => {
  assert.match(readRepoFile("status-coding-server.sh"), /coding_model/);
});

test("install-Skript deployt settings.json mit vorherigem Backup", () => {
  const s = readRepoFile("install_servers_and_pi_coder_extension.sh");
  assert.match(s, /settings\.json\.bak/, "muss settings.json vor dem Überschreiben sichern");
  assert.match(s, /cp "\$REPO\/settings\.json"/, "muss settings.json aus dem Repo deployen");
  assert.match(s, /cp "\$REPO\/models\.json"/);
  assert.match(s, /pi-coder-judge-extension\.ts/);
});