// tests/utils.test.js
// 测试 utils.js 中的纯函数：isDomainMatch（URL 路径匹配）和 escapeHtml（HTML 转义）
// 运行：node --test tests/utils.test.js

const { describe, it } = require("node:test");
const assert = require("node:assert/strict");
const { isDomainMatch, escapeHtml, toMatchPatterns, pickFrameWithForm } = require("../dist/utils.js");

describe("isDomainMatch - 纯 hostname 匹配", () => {
  it("精确域名匹配", () => {
    assert.equal(isDomainMatch("https://example.com/login", "example.com"), true);
    assert.equal(isDomainMatch("https://example.com/", "example.com"), true);
    assert.equal(isDomainMatch("https://other.com/", "example.com"), false);
  });

  it("子域名通配符 *.example.com", () => {
    assert.equal(isDomainMatch("https://oa.example.com/", "*.example.com"), true);
    assert.equal(isDomainMatch("https://a.b.example.com/", "*.example.com"), true);
    assert.equal(isDomainMatch("https://example.com/", "*.example.com"), true); // 根域也匹配
    assert.equal(isDomainMatch("https://notexample.com/", "*.example.com"), false);
  });

  it("任意位置通配符", () => {
    assert.equal(isDomainMatch("https://api.dev.example.com/", "api.*.example.com"), true);
    assert.equal(isDomainMatch("https://api.prod.example.com/", "api.*.example.com"), true);
    assert.equal(isDomainMatch("https://web.dev.example.com/", "api.*.example.com"), false);
  });

  it("端口和协议不影响匹配", () => {
    assert.equal(isDomainMatch("http://example.com:8080/path", "example.com"), true);
    assert.equal(isDomainMatch("https://example.com:443/", "example.com"), true);
  });

  it("非法 URL 返回 false", () => {
    assert.equal(isDomainMatch("not-a-url", "example.com"), false);
    assert.equal(isDomainMatch("", "example.com"), false);
    assert.equal(isDomainMatch("https://example.com/", ""), false);
  });
});

describe("isDomainMatch - hostname + path 匹配", () => {
  it("精确路径匹配", () => {
    assert.equal(isDomainMatch("https://oa.com/login", "oa.com/login"), true);
    assert.equal(isDomainMatch("https://oa.com/admin/login", "oa.com/login"), false);
    assert.equal(isDomainMatch("https://oa.com/", "oa.com/login"), false);
  });

  it("路径前缀通配 login/*", () => {
    assert.equal(isDomainMatch("https://oa.com/login", "oa.com/login/*"), true);
    assert.equal(isDomainMatch("https://oa.com/login/step2", "oa.com/login/*"), true);
    assert.equal(isDomainMatch("https://oa.com/login/sub/deep", "oa.com/login/*"), true);
    assert.equal(isDomainMatch("https://oa.com/logins", "oa.com/login/*"), false);
    assert.equal(isDomainMatch("https://oa.com/admin", "oa.com/login/*"), false);
  });

  it("路径全通配 *", () => {
    assert.equal(isDomainMatch("https://oa.com/anything", "oa.com/*"), true);
    assert.equal(isDomainMatch("https://oa.com/", "oa.com/*"), true);
  });

  it("仅 hostname + 空路径匹配该域名所有页面", () => {
    assert.equal(isDomainMatch("https://oa.com/any/path", "oa.com/"), true);
    assert.equal(isDomainMatch("https://oa.com/", "oa.com/"), true);
  });

  it("路径内任意位置通配", () => {
    assert.equal(isDomainMatch("https://site.com/a/123/b", "site.com/a/*/b"), true);
    assert.equal(isDomainMatch("https://site.com/a/xyz/b", "site.com/a/*/b"), true);
    assert.equal(isDomainMatch("https://site.com/a/123/c", "site.com/a/*/b"), false);
  });

  it("path 匹配与子域名通配组合", () => {
    assert.equal(isDomainMatch("https://api.dev.com/login", "*.dev.com/login"), true);
    assert.equal(isDomainMatch("https://web.dev.com/admin", "*.dev.com/login"), false);
    assert.equal(isDomainMatch("https://api.dev.com/login/step2", "*.dev.com/login/*"), true);
  });

  it("带 query 和 hash 的 URL 不影响 path 匹配", () => {
    assert.equal(isDomainMatch("https://oa.com/login?next=/home", "oa.com/login"), true);
    assert.equal(isDomainMatch("https://oa.com/login#section", "oa.com/login"), true);
  });
});

describe("toMatchPatterns - 配置域名转 match pattern", () => {
  it("纯域名同时生成 http / https 两条", () => {
    assert.deepEqual(toMatchPatterns("example.com"), ["http://example.com/*", "https://example.com/*"]);
  });

  it("带协议前缀的配置会被剥离", () => {
    assert.deepEqual(toMatchPatterns("https://example.com"), [
      "http://example.com/*",
      "https://example.com/*",
    ]);
  });

  it("子域名通配符 *.example.com 保持原样", () => {
    assert.deepEqual(toMatchPatterns("*.example.com"), ["http://*.example.com/*", "https://*.example.com/*"]);
  });

  it("路径规则按前缀截断到第一个 *", () => {
    assert.deepEqual(toMatchPatterns("oa.com/login/*"), ["http://oa.com/login/*", "https://oa.com/login/*"]);
    // 中间通配无法表达，截断成前缀（放宽注入范围，精度仍由 isDomainMatch 把关）
    assert.deepEqual(toMatchPatterns("site.com/a/*/b"), ["http://site.com/a/*", "https://site.com/a/*"]);
  });

  it("无通配的路径补上结尾 *", () => {
    assert.deepEqual(toMatchPatterns("oa.com/admin"), ["http://oa.com/admin*", "https://oa.com/admin*"]);
  });

  it("去掉端口（match pattern 不支持端口）", () => {
    assert.deepEqual(toMatchPatterns("example.com:8080/app"), [
      "http://example.com/app*",
      "https://example.com/app*",
    ]);
  });

  it("中文域名转成 punycode", () => {
    assert.deepEqual(toMatchPatterns("中文域名.中国"), [
      "http://xn--fiq06l2rdsvs.xn--fiqs8s/*",
      "https://xn--fiq06l2rdsvs.xn--fiqs8s/*",
    ]);
  });

  it("query / hash 会被忽略", () => {
    assert.deepEqual(toMatchPatterns("oa.com/login?next=/home#x"), [
      "http://oa.com/login*",
      "https://oa.com/login*",
    ]);
  });

  it("无法表达的规则返回空数组", () => {
    assert.deepEqual(toMatchPatterns(""), []);
    assert.deepEqual(toMatchPatterns(null), []);
    assert.deepEqual(toMatchPatterns("*"), []); // 裸通配
    assert.deepEqual(toMatchPatterns("a.*.b.com"), []); // 中间通配的 host
  });
});

describe("pickFrameWithForm - 从多帧结果里挑出有表单的帧", () => {
  it("只有一个帧有表单时返回该帧", () => {
    assert.equal(
      pickFrameWithForm([
        { frameId: 0, result: 0 },
        { frameId: 5, result: 1 },
      ]),
      5,
    );
  });

  it("顶层帧有表单时优先顶层帧", () => {
    assert.equal(
      pickFrameWithForm([
        { frameId: 0, result: 1 },
        { frameId: 3, result: 2 },
      ]),
      0,
    );
  });

  it("多个子帧都有表单时取 frameId 最小的", () => {
    assert.equal(
      pickFrameWithForm([
        { frameId: 7, result: 1 },
        { frameId: 3, result: 1 },
      ]),
      3,
    );
  });

  it("都没有表单时返回 null", () => {
    assert.equal(
      pickFrameWithForm([
        { frameId: 0, result: 0 },
        { frameId: 2, result: 0 },
      ]),
      null,
    );
    assert.equal(pickFrameWithForm([]), null);
    assert.equal(pickFrameWithForm(undefined), null);
  });

  it("缺少 frameId 时按顶层帧处理", () => {
    assert.equal(pickFrameWithForm([{ result: 1 }]), 0);
  });
});

describe("debugLog - 调试日志开关", () => {
  it("默认静默，打开开关后才输出", async () => {
    const logs = [];
    const originalLog = console.log;
    console.log = (...args) => logs.push(args.join(" "));

    const loadUtils = () => {
      delete require.cache[require.resolve("../dist/utils.js")];
      return require("../dist/utils.js");
    };

    try {
      delete global.chrome;
      let U = loadUtils();
      assert.equal(await U.initDebugLog(), false);
      U.debugLog("默认不该出现");
      assert.equal(logs.filter((l) => l.includes("默认不该出现")).length, 0);

      global.chrome = { storage: { local: { get: async () => ({ debugLog: true }) } } };
      U = loadUtils();
      assert.equal(await U.initDebugLog(), true);
      U.debugLog("开启后应出现");
      assert.equal(logs.filter((l) => l.includes("开启后应出现")).length, 1);
    } finally {
      console.log = originalLog;
      delete global.chrome;
      loadUtils();
    }
  });
});

describe("escapeHtml", () => {
  it("转义 5 个特殊字符", () => {
    assert.equal(escapeHtml("<"), "&lt;");
    assert.equal(escapeHtml(">"), "&gt;");
    assert.equal(escapeHtml('"'), "&quot;");
    assert.equal(escapeHtml("'"), "&#39;");
    assert.equal(escapeHtml("&"), "&amp;");
  });

  it("组合转义", () => {
    assert.equal(
      escapeHtml('<a href="x" onclick="alert(\'hi\')">text & more</a>'),
      "&lt;a href=&quot;x&quot; onclick=&quot;alert(&#39;hi&#39;)&quot;&gt;text &amp; more&lt;/a&gt;",
    );
  });

  it("null 和 undefined 返回空串", () => {
    assert.equal(escapeHtml(null), "");
    assert.equal(escapeHtml(undefined), "");
  });

  it("数字会被转成字符串", () => {
    assert.equal(escapeHtml(123), "123");
  });

  it("普通文本不变", () => {
    assert.equal(escapeHtml("hello world"), "hello world");
    assert.equal(escapeHtml("中文测试123"), "中文测试123");
  });
});