import fs from "node:fs";
import path from "node:path";

function assert(condition: unknown, message: string) {
  if (!condition) throw new Error(message);
}

export function runTests() {
  const source = fs.readFileSync(
    path.join(projectRoot(), "components", "landing", "InstitutionalLandingPage.tsx"),
    "utf8",
  );
  const appPageSource = fs.readFileSync(path.join(projectRoot(), "app", "page.tsx"), "utf8");

  assert(source.includes("3 天免费试用"), "landing page must advertise the 3-day trial");
  assert(source.includes("试用期权益和 Pro 一致，除了不显示付费 Telegram 群链接"), "landing page must state trial access matches Pro except the paid group link");
  assert(!source.includes("高频刷新与 API 仍为 Pro 权益"), "landing page must not incorrectly exclude high-frequency refresh or API from trial access");
  assert(source.includes("bg-[#fbfbfa]"), "landing page must use a light Notion-style background");
  assert(source.includes("WeatherWorkflowIllustration"), "landing page must include a friendly illustration surface");
  assert(source.includes("/static/web.png"), "landing page must show the product preview image");
  assert(source.includes("29.9") && source.includes("30 天"), "landing page must show monthly Pro pricing");
  assert(source.includes("79.9") && source.includes("90 天"), "landing page must show quarterly Pro pricing");
  assert(source.includes("26.9") && source.includes("+3 天 Pro"), "landing page must describe referral discount and reward");
  assert(!source.includes("AI 气象证据链解读"), "legacy AI evidence-chain wording must be removed");
  assert(!source.includes("AI weather evidence"), "legacy AI evidence wording must be removed");
  assert(!source.includes("$10"), "legacy $10/month pricing must be removed from landing page");
  assert(appPageSource.includes('price: "29.90"'), "JSON-LD must expose monthly Pro pricing");
  assert(appPageSource.includes('price: "79.90"'), "JSON-LD must expose quarterly Pro pricing");
  assert(!appPageSource.includes('price: "10.00"'), "legacy JSON-LD pricing must be removed");
}

function projectRoot() {
  return process.cwd();
}