const assert = require("assert");
const fs = require("fs");
const path = require("path");
const vm = require("vm");

const root = path.resolve(__dirname, "..");
const authSource = fs.readFileSync(path.join(root, "utils", "AuthPageUtil.js"), "utf8");
const configSource = fs.readFileSync(path.join(root, "config.js"), "utf8");
const login = fs.readFileSync(path.join(root, "html", "login.html"), "utf8");
const register = fs.readFileSync(path.join(root, "html", "reg.html"), "utf8");
const usercenter = fs.readFileSync(path.join(root, "html", "usercenter.html"), "utf8");
const promo = fs.readFileSync(path.join(root, "html", "tuiguang.html"), "utf8");
const distribution = fs.readFileSync(path.join(root, "html", "fenxiao.html"), "utf8");
const resetPassword = fs.readFileSync(path.join(root, "html", "repwd.html"), "utf8");

[login, register, resetPassword].forEach(function (page) {
  Array.from(page.matchAll(/<script(?:\s[^>]*)?>([\s\S]*?)<\/script>/gi), function (match) {
    return match[1];
  }).filter(Boolean).forEach(function (source) {
    new Function(source);
  });
});

const context = { URLSearchParams, window: { location: { search: "?inviteCode=invite-001" } } };
vm.runInNewContext(`${authSource}\nthis.AuthPageUtilForTest = AuthPageUtil;`, context);

assert.strictEqual(context.AuthPageUtilForTest.getReferralInviteCodeFromUrl(), "invite-001");
assert.strictEqual(context.AuthPageUtilForTest.getReferralInviteCodeFromUrl("?referralCode=legacy"), "");
assert(register.includes('type="hidden" id="inviteCode" name="inviteCode"'));
assert(register.includes('$("#inviteCode").val(AuthPageUtil.getReferralInviteCodeFromUrl());'));
assert(register.includes('const inviteCode = $("#inviteCode").val().trim();'));
assert(register.includes("registerData.inviteCode = inviteCode"), "registration must send a non-empty inviteCode");
assert(register.includes('$("#captchaGroup").hide();'), "registration verification must hide after SMS is sent");
assert(register.includes('$("#captchaGroup").show();'), "registration verification must return after the phone changes");
assert(/currentVerifyType === "slide"[\s\S]*?renderSlideCaptchaEntry\(\);[\s\S]*?#captchaGroup"\)\.hide\(\)/.test(register), "slide mode must not render an inline verification row");
assert(!login.includes("bindPendingReferralInviteCode"), "login must not bind referrals automatically");
assert(!register.includes("bindPendingReferralInviteCode"), "registration success must not issue a second bind request");
assert(usercenter.includes("ApiClient.API.referralBind, { inviteCode: inviteCode }"), "user center must provide manual binding");
assert(promo.includes("NavigationUtil.referralRegisterUrl"), "promotion page must normalize returned links to registration");
assert(login.includes('id="captchaGroup" style="display: none"'));
assert(login.includes('$("#captchaGroup").show();'));
assert(resetPassword.includes('id="captchaGroup" style="display: none"'));
assert(resetPassword.includes('$("#captchaGroup").hide();'));
assert(resetPassword.includes('$("#captchaGroup").show();'));
[register].forEach(function (page) {
  assert(page.includes('id="captchaGroup" style="visibility: hidden"'));
  assert(page.includes('$("#captchaGroup").css("visibility", "visible");'));
});

const configContext = {
  URL,
  MutationObserver: function () {},
  location: { hostname: "example.com", port: "", href: "https://example.com/html/index.html?inviteCode=invite-001" },
  document: { readyState: "loading", addEventListener() {} },
  window: { location: { href: "https://example.com/html/index.html?inviteCode=invite-001" }, open() { return null; } },
};
vm.runInNewContext(configSource, configContext);
assert.strictEqual(
  configContext.window.NavigationUtil.referralRegisterUrl("https://example.com/app?inviteCode=invite-001"),
  "https://example.com/html/reg.html?inviteCode=invite-001",
);
assert(!distribution.includes("applyDistribution"), "the obsolete empty bind entry must be removed");

context.ApiClient = {
  API: { authVerifyConfig: "/api/web/auth/verify-config" },
  get() { return Promise.reject(new Error("network unavailable")); },
};
context.AuthPageUtilForTest.loadVerifyType().then(function (type) {
  assert.strictEqual(type, "slide", "verify-config failure must not show image captcha");
  console.log("referral register contract checks passed");
}).catch(function (error) {
  console.error(error);
  process.exitCode = 1;
});