import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";

import { afterAll, beforeAll, describe, expect, it } from "vitest";

import { KeywordStore } from "../src/keywords.js";

describe("KeywordStore", () => {
  const tempDir = mkdtempSync(join(tmpdir(), "keywords-test-"));
  const keywordsFile = join(tempDir, "keywords.yaml");

  beforeAll(() => {
    writeFileSync(
      keywordsFile,
      [
        "keywords:",
        "  - name: promo",
        "    patterns:",
        '      - "推广"',
        "    regex: false",
        "  - name: regex",
        "    patterns:",
        '      - "(?i)验证码"',
        "    regex: true",
      ].join("\n"),
      "utf-8",
    );
  });

  afterAll(() => {
    rmSync(tempDir, { recursive: true, force: true });
  });

  it("匹配子串与正则，并在文件更新后热加载", async () => {
    const store = new KeywordStore(keywordsFile);
    const firstHits = store.match("这是一个推广内容");
    expect(firstHits.some((hit) => hit.keyword === "promo")).toBe(true);

    const regexHits = store.match("验证码123");
    expect(regexHits.some((hit) => hit.keyword === "regex")).toBe(true);

    await new Promise((resolve) => setTimeout(resolve, 20));
    writeFileSync(
      keywordsFile,
      [
        "keywords:",
        "  - name: new",
        "    patterns:",
        '      - "新品"',
      ].join("\n"),
      "utf-8",
    );

    const updated = store.match("这是一条新品");
    expect(updated.some((hit) => hit.keyword === "new")).toBe(true);
  });
});