// ==UserScript==
// @name         注入到 content 环境测试
// @namespace    https://docs.scriptcat.org/
// @version      0.1.0
// @description  脚本注入到content环境，应该可以绕过CSP检测，但无法访问页面的window
// @match        https://content-security-policy.com/
// @inject-into  content
// @grant        GM_addElement
// @grant        GM_addStyle
// @grant        GM_log
// @grant        GM_info
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_deleteValue
// @grant        GM_listValues
// @run-at       document-start
// ==/UserScript==

(function () {
  "use strict";

  console.log("%c=== Content环境 GM API 测试开始 ===", "color: blue; font-size: 16px; font-weight: bold;");

  let testResults = {
    passed: 0,
    failed: 0,
    total: 0,
  };

  // 测试辅助函数
  function test(name, fn) {
    testResults.total++;
    try {
      fn();
      testResults.passed++;
      console.log(`%c✓ ${name}`, "color: green;");
      return true;
    } catch (error) {
      testResults.failed++;
      console.error(`%c✗ ${name}`, "color: red;", error);
      return false;
    }
  }

  // assert(expected, actual, message) - 比较两个值是否相等
  function assert(expected, actual, message) {
    if (expected !== actual) {
      const valueInfo = `期望 ${JSON.stringify(expected)}, 实际 ${JSON.stringify(actual)}`;
      const error = message ? `${message} - ${valueInfo}` : `断言失败: ${valueInfo}`;
      throw new Error(error);
    }
  }

  // assertTrue(condition, message) - 断言条件为真
  function assertTrue(condition, message) {
    if (!condition) {
      throw new Error(message || "断言失败: 期望条件为真");
    }
  }

  // ============ CSP绕过测试 ============
  console.log("\n%c--- CSP绕过测试 ---", "color: orange; font-weight: bold;");

  test("CSP绕过 - 内联脚本", () => {
    const script = document.createElement("script");
    script.textContent = 'console.log("Content环境绕过CSP测试");';
    document.head.appendChild(script);
    assertTrue(script.parentNode === document.head, "脚本应该成功插入到head中");
  });

  // ============ GM_addElement/GM_addStyle 测试 ============
  console.log("\n%c--- DOM操作 API 测试 ---", "color: orange; font-weight: bold;");

  test("GM_addElement", () => {
    const element = GM_addElement("div", {
      textContent: "GM_addElement测试元素",
      style: "display:none;",
      id: "gm-test-element",
    });
    assertTrue(element !== null && element !== undefined, "GM_addElement应该返回元素");
    assert("gm-test-element", element.id, "元素ID应该正确");
    assert("DIV", element.tagName, "元素标签应该是DIV");
    console.log("返回元素:", element);
  });

  test("GM_addStyle", () => {
    const styleElement = GM_addStyle(`
            .gm-style-test {
                color: #10b981 !important;
            }
        `);
    assertTrue(styleElement !== null && styleElement !== undefined, "GM_addStyle应该返回样式元素");
    assertTrue(styleElement.tagName === "STYLE" || styleElement.sheet, "应该返回STYLE元素或样式对象");
    console.log("返回样式元素:", styleElement);
  });

  // ============ GM_log 测试 ============
  console.log("\n%c--- GM_log 测试 ---", "color: orange; font-weight: bold;");

  test("GM_log", () => {
    GM_log("测试日志输出", { type: "test", value: 123 });
    // GM_log本身不返回值,只要不抛出异常就算成功
    assertTrue(true, "GM_log应该能正常输出");
  });

  // ============ GM_info 测试 ============
  console.log("\n%c--- GM_info 测试 ---", "color: orange; font-weight: bold;");

  test("GM_info", () => {
    assertTrue(typeof GM_info === "object", "GM_info应该是对象");
    assertTrue(!!GM_info.script, "GM_info.script应该存在");
    assertTrue(!!GM_info.script.name, "GM_info.script.name应该存在");
    console.log("脚本信息:", GM_info.script.name);
  });

  // ============ GM 存储 API 测试 ============
  console.log("\n%c--- GM 存储 API 测试 ---", "color: orange; font-weight: bold;");

  test("GM_setValue - 字符串", () => {
    GM_setValue("test_key", "content环境测试值");
    const value = GM_getValue("test_key");
    assert("content环境测试值", value, "应该正确保存和读取字符串");
  });

  test("GM_setValue - 数字", () => {
    GM_setValue("test_number", 12345);
    const value = GM_getValue("test_number");
    assert(12345, value, "应该正确保存和读取数字");
  });

  test("GM_setValue - 对象", () => {
    const obj = { name: "ScriptCat", type: "content" };
    GM_setValue("test_object", obj);
    const value = GM_getValue("test_object", {});
    assert("ScriptCat", value.name, "对象的name属性应该正确");
    assert("content", value.type, "对象的type属性应该正确");
  });

  test("GM_getValue - 默认值", () => {
    const value = GM_getValue("non_existent_key", "默认值");
    assert("默认值", value, "不存在的键应该返回默认值");
  });

  test("GM_listValues", () => {
    const keys = GM_listValues();
    assertTrue(Array.isArray(keys), "GM_listValues应该返回数组");
    assertTrue(keys.length >= 3, "应该至少有3个存储键");
    console.log("存储的键:", keys);
  });

  test("GM_deleteValue", () => {
    GM_setValue("test_delete", "to_be_deleted");
    assert("to_be_deleted", GM_getValue("test_delete"), "值应该存在");
    GM_deleteValue("test_delete");
    assert(null, GM_getValue("test_delete", null), "值应该被删除");
  });

  // ============ 输出测试结果 ============
  console.log("\n%c=== 测试完成 ===", "color: blue; font-size: 16px; font-weight: bold;");
  console.log(
    `%c总计: ${testResults.total} | 通过: ${testResults.passed} | 失败: ${testResults.failed}`,
    testResults.failed === 0 ? "color: green; font-weight: bold;" : "color: red; font-weight: bold;"
  );

  if (testResults.failed === 0) {
    console.log("%c🎉 所有测试通过!", "color: green; font-size: 14px; font-weight: bold;");
  } else {
    console.log("%c⚠️ 部分测试失败，请检查上面的错误信息", "color: red; font-size: 14px; font-weight: bold;");
  }
})();