import test from "node:test";
import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import { runInNewContext } from "node:vm";

const sdkSource = readFileSync(new URL("../public/static/common/web-sdk-v1.2.0.js", import.meta.url), "utf8");

interface SDKContext {
  navigator?: { userAgent: string; platform: string; maxTouchPoints: number };
  WebSDK?: { getCommonFields(fields?: string[]): Promise<Record<string, unknown>> };
}

function loadSDK(userAgent?: string, platform = "", maxTouchPoints = 0) {
  const context: SDKContext = {};
  if (userAgent !== undefined) context.navigator = { userAgent, platform, maxTouchPoints };
  runInNewContext(sdkSource, context, { filename: "web-sdk-v1.2.0.js" });
  assert.ok(context.WebSDK);
  return context.WebSDK;
}

const userAgents = [
  {
    name: "iPhone",
    ua: "Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 Version/18.0 Mobile/15E148 Safari/604.1",
    platform: "iPhone", touch: 5, system: "iOS", version: "18.0",
  },
  {
    name: "iPad mobile mode",
    ua: "Mozilla/5.0 (iPad; CPU OS 17_6_1 like Mac OS X) AppleWebKit/605.1.15 Version/17.6 Mobile/15E148 Safari/604.1",
    platform: "iPad", touch: 5, system: "iOS", version: "17.6.1",
  },
  {
    name: "Android",
    ua: "Mozilla/5.0 (Linux; Android 14; Pixel 8) AppleWebKit/537.36 Chrome/129.0.0.0 Mobile Safari/537.36",
    platform: "Linux armv8l", touch: 5, system: "Android", version: "14",
  },
  {
    name: "Windows NT",
    ua: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/129.0.0.0 Safari/537.36",
    platform: "Win32", touch: 0, system: "Windows", version: "10.0",
  },
  {
    name: "macOS",
    ua: "Mozilla/5.0 (Macintosh; Intel Mac OS X 14_6_1) AppleWebKit/605.1.15 Version/17.6 Safari/605.1.15",
    platform: "MacIntel", touch: 0, system: "macOS", version: "14.6.1",
  },
  {
    name: "iPad desktop mode without an exposed iOS version",
    ua: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 Version/18.0 Safari/605.1.15",
    platform: "MacIntel", touch: 5, system: "iOS", version: "",
  },
  {
    name: "Linux without an exposed kernel version",
    ua: "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 Chrome/129.0.0.0 Safari/537.36",
    platform: "Linux x86_64", touch: 0, system: "Linux", version: "",
  },
  {
    name: "unknown operating system",
    ua: "ExampleBrowser/1.0", platform: "", touch: 0, system: "Other", version: "",
  },
];

for (const device of userAgents) {
  test(`bundled SDK common fields report the operating system for ${device.name}`, async () => {
    const sdk = loadSDK(device.ua, device.platform, device.touch);
    const common = await sdk.getCommonFields();
    assert.equal(common.system_name, device.system);
    assert.equal(common.system_version, device.version);
    assert.equal(common.user_agent, device.ua);
    const selected = await sdk.getCommonFields(["system_name", "system_version"]);
    assert.deepEqual(JSON.parse(JSON.stringify(selected)), {
      system_name: device.system, system_version: device.version,
    });
  });
}

test("bundled SDK OS fields tolerate a missing navigator without inventing a version", async () => {
  const common = await loadSDK().getCommonFields();
  assert.equal(common.system_name, "Other");
  assert.equal(common.system_version, "");
});