import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import test from "node:test";
import {
  consultationDomainIds,
  consultationDomainRegistry,
} from "../src/lib/consultation-domain-registry.ts";
import {
  defaultGuidedJyotishTopics,
  generalGuidedJyotishTopics,
} from "../src/lib/guided-jyotish-topics.ts";

const pageSource = readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8");
const globalStyles = readFileSync(new URL("../src/app/globals.css", import.meta.url), "utf8");
const appSidebarSource = readFileSync(new URL("../src/components/app-sidebar.tsx", import.meta.url), "utf8");
const guidedTopicsSource = readFileSync(new URL("../src/lib/guided-jyotish-topics.ts", import.meta.url), "utf8");

function sourceBetween(source: string, startMarker: string, endMarker: string) {
  const start = source.indexOf(startMarker);
  const end = source.indexOf(endMarker, start);
  assert.notEqual(start, -1);
  assert.notEqual(end, -1);
  return source.slice(start, end);
}

test("keeps starter questions visible while the user edits a draft", () => {
  // Given: the empty-session starter block and its render guard.
  const guardStart = pageSource.indexOf("{profileComplete && presetMessageFinished");
  const onboardingBranch = pageSource.indexOf("(onboardingPending ?", guardStart);

  // When: the guard is inspected independently of the card copy and layout.
  assert.notEqual(guardStart, -1);
  assert.notEqual(onboardingBranch, -1);
  const starterVisibilityGuard = pageSource.slice(guardStart, onboardingBranch);

  // Then: draft text cannot hide the cards before a message is submitted.
  assert.doesNotMatch(starterVisibilityGuard, /\bdraft\b/);
});

test("completed account initialization switches directly to the home cards", () => {
  assert.doesNotMatch(pageSource, /setOnboardingJustCompleted\(true\)/);
  assert.doesNotMatch(pageSource, /!profileComplete \|\| onboardingJustCompleted/);
});

test("default starter questions derive every canonical domain with evidence and claim boundaries", () => {
  assert.match(pageSource, /defaultGuidedJyotishTopics/);
  assert.match(pageSource, /starterSuggestions\.map/);
  assert.match(pageSource, /starterThemes\.find\(\(candidate\) => candidate\.id === item\.theme\)/);
  assert.match(pageSource, /chooseSuggestedQuestion\(item\.text, item\.theme\)/);
  assert.equal(consultationDomainIds.length, 10);
  assert.deepEqual(consultationDomainRegistry.map((domain) => domain.id), [...consultationDomainIds]);
  assert.match(guidedTopicsSource, /consultationDomainRegistry\.map/);
  assert.deepEqual(defaultGuidedJyotishTopics.map((topic) => topic.id), [...consultationDomainIds]);
  assert.equal(defaultGuidedJyotishTopics.length, consultationDomainRegistry.length);

  for (const [index, topic] of defaultGuidedJyotishTopics.entries()) {
    const domain = consultationDomainRegistry[index];
    assert.equal(topic.id, domain.id);
    assert.equal(topic.label, domain.label);
    assert.equal(topic.prompt, domain.prompt);
    assert.equal(topic.strictWorkflowRoute, domain.strictWorkflowRoute);
    assert.deepEqual(topic.evidencePreview, [...domain.evidencePreview]);
    assert.equal(topic.confidenceCap, domain.confidenceCap);
    assert.equal(topic.claimBoundary, domain.claimBoundary);
  }

  const domainById = new Map(consultationDomainRegistry.map((domain) => [domain.id, domain]));
  assert.match(domainById.get("career")?.requiredLayers.join(" ") ?? "", /D10/);
  assert.match(domainById.get("marriage")?.requiredLayers.join(" ") ?? "", /D9/);
  assert.match(domainById.get("wealth")?.requiredLayers.join(" ") ?? "", /Ashtakavarga/);
  assert.match(domainById.get("timing")?.requiredLayers.join(" ") ?? "", /negative holdout gate/);
});

test("profiles without a usable birth minute receive user-centered starter prompts", () => {
  assert.deepEqual(generalGuidedJyotishTopics.map((topic) => topic.id), [...consultationDomainIds]);
  assert.deepEqual(generalGuidedJyotishTopics.map((topic) => topic.prompt), [
    "请帮我梳理目前的事业方向和下一步重点。",
    "请帮我看看我在关系中容易重复什么模式。",
    "请帮我分析目前的财富重点、风险和更稳妥的选择。",
    "请从非医疗诊断的角度，帮我看看近期的身心压力和调整重点。",
    "请帮我看看我更适合怎样学习，以及如何安排下一步。",
    "请帮我分析现阶段是否适合迁居、置业或考虑海外发展。",
    "请帮我看看家庭关系中最需要处理的问题和责任边界。",
    "请帮我看看未来一年的主要趋势、机会和需要留意的阶段。",
    "请帮我看看目前适合推进什么，哪些事情需要再等等。",
    "请结合我的情况，帮我找出现在最值得优先处理的三个问题。",
  ]);
  for (const topic of generalGuidedJyotishTopics) {
    const personalTopic = defaultGuidedJyotishTopics.find((candidate) => candidate.id === topic.id);
    assert.ok(personalTopic);
    assert.equal(topic.label, personalTopic.label);
    assert.equal(topic.strictWorkflowRoute, personalTopic.strictWorkflowRoute);
    assert.deepEqual(topic.evidencePreview, personalTopic.evidencePreview);
    assert.equal(topic.confidenceCap, personalTopic.confidenceCap);
    assert.equal(topic.claimBoundary, personalTopic.claimBoundary);
    assert.notEqual(topic.prompt, personalTopic.prompt);
  }
  assert.ok(generalGuidedJyotishTopics.every((topic) => /我/.test(topic.prompt)));
  assert.ok(generalGuidedJyotishTopics.every((topic) => !/印度占星|一般如何|通常|哪些因素|证据层/.test(topic.prompt)));
  assert.match(pageSource, /const starterThemes = personalChartAvailable \? themes : generalGuidedJyotishTopics/);
  assert.match(pageSource, /出生时间不足以支持的部分，我会明确说明，不会补造具体分钟/);
  assert.match(pageSource, /请帮我看一下今天的运势，重点告诉我适合推进什么、需要注意什么/);
  assert.match(pageSource, /personalChartAvailable \? "daily_starlanguage" : null/);
});

test("keeps follow-up suggestions visible while the user edits a draft", () => {
  // Given: the follow-up suggestion block and its render guard.
  const suggestionGuard = sourceBetween(
    pageSource,
    "{activeSuggestions.length > 0",
    "(\n            <div className=\"composer-suggestions\"",
  );

  // When: the visibility inputs are inspected before the suggestion markup.
  // Then: only submission-related request state may hide the current set.
  assert.doesNotMatch(suggestionGuard, /\bdraft\b/);
});

test("keeps session history clickable while another session is answering", () => {
  // Given: the page-owned selection callback and the app sidebar session action.
  const selectSession = pageSource.match(/function selectSession\(sessionId: string\) \{([\s\S]*?)\n  \}/);

  // When: request-time navigation constraints are inspected.
  // Then: pending request state cannot disable read-only session switching.
  assert.ok(selectSession);
  assert.doesNotMatch(selectSession[1], /pendingSessionId|isLoading|cancellationPending|creatingSession/);
  assert.match(appSidebarSource, /onSelectSession\(session\.id\)/);
  assert.doesNotMatch(appSidebarSource, /pendingSession|isLoading|cancellationPending|requestPending/);
});

test("sizes the model popup to its content with responsive bounds", () => {
  // Given: the model selector popup styles.
  const popupStyles = sourceBetween(globalStyles, ".model-selector-popup {", "}\n.model-selector-popup[data-starting-style]");

  // When: its responsive width is inspected.
  // Then: short labels stay compact while long content remains viewport-safe.
  assert.match(popupStyles, /width:\s*max-content/);
  assert.match(popupStyles, /min-width:\s*180px/);
  assert.match(popupStyles, /max-width:\s*min\(420px,/);
});

test("centers the credit value with its icon", () => {
  // Given: the credit value styles next to the existing flex-centered icon.
  const creditValueStyles = sourceBetween(globalStyles, ".credit-button span {", "}\n.credit-button .credit-icon");

  // When: the value line box is inspected.
  // Then: it participates in flex centering without extra line-height drift.
  assert.match(creditValueStyles, /display:\s*inline-flex/);
  assert.match(creditValueStyles, /align-items:\s*center/);
  assert.match(creditValueStyles, /line-height:\s*1/);
});

test("routes account actions through a menu and focused dialogs", () => {
  // Given: the account surface state and entry-point handlers.
  // When: the page source is inspected for independent menu and dialog routes.
  // Then: profile and logout stay focused dialogs; redeem leaves for /membership.
  assert.match(pageSource, /const \[accountMenuOpen, setAccountMenuOpen\] = useState\(false\)/);
  assert.match(pageSource, /const \[activeAccountDialog, setActiveAccountDialog\] = useState<AccountDialog \| null>\(null\)/);
  assert.match(pageSource, /openAccountDialog\("profile"/);
  assert.match(pageSource, /openAccountDialog\("logout"/);
  assert.doesNotMatch(pageSource, /type AccountDialog = "profile" \| "redeem" \| "logout"/);
  assert.doesNotMatch(pageSource, /openAccountDialog\("redeem"/);
  assert.match(appSidebarSource, /<Menu\.Popup className="account-menu-popup"/);
  assert.doesNotMatch(appSidebarSource, /<Menu\.Popup className="account-menu"/);
  assert.match(appSidebarSource, /<Menu\.Root open=\{accountMenuOpen\} onOpenChange=\{onAccountMenuOpenChange\} modal=\{false\}>/);
});

test("membership entries navigate without auto-opening redeem", () => {
  // Given: the account menu, credit control and insufficient-balance paths.
  // Then: every redeem/purchase path lands on /membership with a source hint, without opening a dialog.
  assert.match(pageSource, /membershipHref\("account-menu"\)/);
  assert.match(pageSource, /membershipHref\("credits"\)/);
  assert.match(pageSource, /membershipHref\("insufficient-credits"\)/);
  assert.doesNotMatch(pageSource, /activeAccountDialog === "redeem"/);
  assert.doesNotMatch(pageSource, /paymentEnabled|paymentPackages|paymentOrder|payingPackageId/);
  assert.doesNotMatch(pageSource, /redeemCode|redeeming|redeemError|redeemMessage/);
});

test("removes the monolithic account sheet", () => {
  // Given: the former sheet implementation names.
  // When: the page and global styles are inspected.
  // Then: no right-side account sheet remains.
  assert.doesNotMatch(pageSource, /profile-overlay|profile-dialog|openAccount\(/);
  assert.doesNotMatch(globalStyles, /\.profile-overlay|\.profile-dialog/);
});

test("removes the user-facing admin button from the chat page", () => {
  // Given: the administrator-only route and the new account menu.
  // Then: code management is no longer surfaced to users on the chat page.
  assert.doesNotMatch(appSidebarSource, /adminUrl|account\.isAdmin|后台管理/);
  assert.doesNotMatch(pageSource, /account\.isAdmin && account\.adminUrl/);
  assert.doesNotMatch(pageSource, /className="admin-button"/);
  assert.doesNotMatch(pageSource, /ShieldCheck/);
});

test("keeps the empty starter home at the top instead of auto-scrolling", () => {
  const autoScrollEffect = sourceBetween(
    pageSource,
    "useEffect(() => {\n    if (starterHomeVisible) return;",
    "profileComplete, starterHomeVisible]);",
  );

  assert.match(autoScrollEffect, /if \(starterHomeVisible\) return/);
  assert.match(autoScrollEffect, /const container = conversation\.current/);
  assert.match(autoScrollEffect, /container\.scrollTo\(\{ top: container\.scrollHeight/);
  assert.match(pageSource, /ref=\{conversation\} className=\{`conversation/);
  assert.doesNotMatch(pageSource, /conversationEnd|scrollIntoView/);
});

test("does not submit the composer while an IME composition is active", () => {
  const keyHandler = sourceBetween(
    pageSource,
    "function handleComposerKeyDown",
    "\n\n  if (!hydrated",
  );

  assert.match(keyHandler, /if \(event\.nativeEvent\.isComposing\) return/);
  assert.match(keyHandler, /event\.currentTarget\.form\?\.requestSubmit\(\)/);
});

test("announces conversation errors to assistive technology", () => {
  assert.match(pageSource, /<p className="error-message" role="alert">\{activeError\}<\/p>/);
});