/**
 * Unit tests for runner applyReload helper (extracted inline via dynamic import of module pieces).
 * We test TavilyKeyPool rebuild + masking semantics used by /admin/reload.
 */
import assert from "node:assert/strict";
import { TavilyKeyPool } from "../extensions/tavily-search.mjs";
import { mkdtempSync, readFileSync, rmSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { writeFileSync, mkdirSync } from "node:fs";

function applyReloadLike(body, { piDir, runtime }) {
  const minimax = body.minimax || {};
  const endpoint = (minimax.endpoint || runtime.endpoint || "https://api.minimaxi.com/v1").trim();
  const apiToken = String(minimax.apiKey || "").trim();
  const modelId = (minimax.modelId || body.piModel || runtime.model || "MiniMax-M3").trim();
  let rawApiType = (minimax.apiType || runtime.apiType || "openai-compatible").trim();
  let apiType = rawApiType;
  if (rawApiType === "openai-compatible" || rawApiType === "openai") {
    apiType = "openai-completions";
  }
  mkdirSync(join(piDir, "extensions"), { recursive: true });
  const models = {
    providers: {
      minimax: {
        name: "MiniMax",
        baseUrl: endpoint,
        api: apiType,
        apiKey: apiToken,
        models: [{ id: modelId, name: modelId }],
      },
    },
  };
  writeFileSync(join(piDir, "models.json"), JSON.stringify(models, null, 2) + "\n");
  let pool = runtime.pool;
  if (Array.isArray(body.tavilyKeys)) {
    pool = new TavilyKeyPool(body.tavilyKeys);
  }
  return {
    ok: true,
    endpoint,
    model_id: modelId,
    api: apiType,
    has_token: Boolean(apiToken),
    tavily: { active: pool.size() > 0, keys_count: pool.size() },
    pool,
  };
}

const dir = mkdtempSync(join(tmpdir(), "pi-reload-"));
try {
  const result = applyReloadLike(
    {
      minimax: {
        endpoint: "https://example.test/v1",
        apiKey: "sk-test-key",
        modelId: "MiniMax-M2.7-highspeed",
        apiType: "openai-compatible",
      },
      tavilyKeys: ["tvly-a", "tvly-b"],
    },
    {
      piDir: dir,
      runtime: {
        endpoint: "https://old",
        model: "old",
        apiType: "openai-compatible",
        pool: new TavilyKeyPool([]),
      },
    },
  );
  assert.equal(result.ok, true);
  assert.equal(result.model_id, "MiniMax-M2.7-highspeed");
  assert.equal(result.api, "openai-completions");
  assert.equal(result.tavily.keys_count, 2);
  const models = JSON.parse(readFileSync(join(dir, "models.json"), "utf8"));
  assert.equal(models.providers.minimax.apiKey, "sk-test-key");
  assert.equal(models.providers.minimax.baseUrl, "https://example.test/v1");
  console.log("reload.test.mjs PASS");
} finally {
  rmSync(dir, { recursive: true, force: true });
}