import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import React from "react";
import { renderToStaticMarkup } from "react-dom/server";
import test from "node:test";

import { ChartPageView } from "../src/components/chart-page/chart-page-view.tsx";
import { SidebarProvider } from "../src/components/ui/sidebar.tsx";
import { assembleChartView } from "../src/lib/chart-view-load.ts";
import { CHART_VIEW_TABS, type ChartViewOk } from "../src/lib/chart-view-contract.ts";
import { CHART_VIEW_LAYERS } from "../src/lib/chart-view-engine.ts";
import { CHART_VIEW_COPY } from "../src/lib/chart-view-labels.ts";
import { cssDeclarations } from "./css-contract-test-support.ts";

Object.assign(globalThis, { React });

const golden = JSON.parse(
  readFileSync(new URL("./fixtures/chart-view-golden.json", import.meta.url), "utf8"),
) as {
  chart: Record<string, unknown>;
  varga_full: Record<string, unknown>;
  chara: Record<string, unknown>;
  western: Record<string, unknown>;
};
const globalStyles = readFileSync(new URL("../src/app/globals.css", import.meta.url), "utf8");
const sidebar = readFileSync(new URL("../src/components/app-sidebar.tsx", import.meta.url), "utf8");
const vedicTab = readFileSync(new URL("../src/components/chart-page/chart-vedic-tab.tsx", import.meta.url), "utf8");
const westernTab = readFileSync(new URL("../src/components/chart-page/chart-western-tab.tsx", import.meta.url), "utf8");
const qizhengTab = readFileSync(new URL("../src/components/chart-page/chart-qizheng-tab.tsx", import.meta.url), "utf8");

/** Every selector that has at least one rule, comments stripped first. */
function declaredSelectors(source: string): Set<string> {
  const withoutComments = source.replace(/\/\*[\s\S]*?\*\//g, " ");
  const found = new Set<string>();
  for (const [, selectorList] of withoutComments.matchAll(/([^{}]+)\{([^{}]*)\}/g)) {
    for (const target of selectorList.split(",")) found.add(target.trim().replace(/\s+/g, " "));
  }
  return found;
}
const vedicSvg = readFileSync(new URL("../src/components/personal-report/vedic-chart-svg.tsx", import.meta.url), "utf8");

const profile = {
  name: "示例",
  date: "1990-06-15",
  time: "12:00",
  placeLabel: "北京",
  latitude: 39.9042,
  longitude: 116.4074,
  timezoneOffset: 8,
  timezoneId: "Asia/Shanghai",
  ayanamsa: "raman",
  birthTimeStatus: "confirmed",
};

async function okView(western: Record<string, unknown> | null = null): Promise<ChartViewOk> {
  const result = await assembleChartView({
    userId: "user-1",
    profile,
    asOf: "2026-09-15",
    layers: CHART_VIEW_LAYERS,
    postEngine: async (path) => {
      if (path === "/api/chart") return { status: "ok", payload: golden.chart };
      if (path === "/api/varga_full") return { status: "ok", payload: golden.varga_full };
      if (path === "/api/dasha/chara") return { status: "ok", payload: golden.chara };
      if (path === "/api/western" && western) return { status: "ok", payload: western };
      return { status: "http_error", path, elapsedMs: 1, httpStatus: 500 };
    },
  });
  assert.equal(result.body.status, "ok");
  return result.body as ChartViewOk;
}

/* 原值：直接 `renderToStaticMarkup(<ChartPageView … />)`
   新值：外面裹一层 `SidebarProvider`
   原因：次级页的 `SidebarProvider` 从每页各一份上移到 `app/(secondary)/layout.tsx`
         （TASK-sidebar-unify D2）。页面组件自己不再自带 provider，而 46px 顶栏里的
         `SidebarTrigger` 仍要读它。断言主语一字未改，改的是测试挂载环境。 */
function withSidebarProvider(element: React.ReactElement) {
  return renderToStaticMarkup(React.createElement(SidebarProvider, null, element));
}

test("the five tabs render and can each be selected", async () => {
  const view = await okView();
  for (const tab of CHART_VIEW_TABS) {
    const markup = withSidebarProvider(React.createElement(ChartPageView, { view, initialTab: tab.id }));
    // 原值: 直接计算 · 打开即有 · 不消耗点数
    // 新值: 主盘直接算 · 分盘按需 · 不消耗点数
    // 原因: BUG-717 「打开即有」是速度承诺，且印在失败页上
    assert.equal(markup.includes(CHART_VIEW_COPY.eyebrow), true);
    assert.doesNotMatch(markup, /打开即有/);
    assert.match(markup, />星盘</);
    assert.match(markup, />基础信息</);
    assert.match(markup, />大运</);
    assert.match(markup, />西洋盘</);
    assert.match(markup, />七政四余</);
    assert.doesNotMatch(markup, /正在加载|骨架|spinner/i);
    if (tab.id === "vedic") assert.match(markup, /D1/);
    if (tab.id === "basics") assert.match(markup, /词条式释义/);
    if (tab.id === "dasha") {
      assert.match(markup, /Vimshottari/);
      assert.match(markup, /Chara Dasha（kn_rao 变体）/);
      assert.match(markup, /只有两条同时指向同一段时间才算证据/);
    }
    if (tab.id === "western") assert.match(markup, /西洋盘这一栏要等回归黄道端点上线/);
    if (tab.id === "qizheng") {
      assert.match(markup, /七政四余这一栏要等宿度端点上线/);
      assert.match(markup, /角宿/);
      assert.match(markup, /计都派别/);
      assert.match(markup, /庙旺/);
    }
  }
});

test("unavailable western and qizheng tabs stay explanatory", async () => {
  const view = await okView();
  const western = withSidebarProvider(React.createElement(ChartPageView, { view, initialTab: "western" }));
  const qizheng = withSidebarProvider(React.createElement(ChartPageView, { view, initialTab: "qizheng" }));
  assert.doesNotMatch(western, /报错|出错了|500/);
  assert.doesNotMatch(qizheng, /报错|出错了|500/);
  assert.match(western, /不能换算/);
  assert.match(qizheng, /不能换算/);
});

test("a tropical packet draws the western wheel instead of the unavailable copy", async () => {
  const view = await okView(golden.western);
  const markup = withSidebarProvider(React.createElement(ChartPageView, { view, initialTab: "western" }));
  assert.match(markup, /回归黄道本命盘/);
  assert.doesNotMatch(markup, /西洋盘这一栏要等回归黄道端点上线/);
});

test("the North Indian svg is imported in place and its export signature is unchanged", () => {
  assert.match(vedicTab, /from "@\/components\/personal-report\/vedic-chart-svg"/);
  assert.match(vedicSvg, /export function VedicChartSvg/);
  assert.match(vedicSvg, /export const NorthIndianChartSvg = VedicChartSvg/);
  assert.doesNotMatch(vedicTab, /chart-page\/vedic-chart-svg/);
});

test("sidebar adds 星盘 and 星历 after 新建对话 without renaming 我的报告", () => {
  // 原值：三个页面项的中文标签直接写在 `<SidebarHeader>` 的 JSX 里，顺序用
  //       `header.indexOf(">星盘<")` 之类量。
  // 新值：标签收进模块常量 `NAV_PAGES`，头部只剩 `NAV_PAGES.map(...)`；顺序改在
  //       常量里量，并另外断言这一段仍排在「新建对话」之后。
  // 原因：TASK-sidebar-unify T1 把次级页那份侧栏收编进同一个组件，三项在两种模式下
  //       必须逐字一致，写两遍就会再次分叉。断言主语（新建对话 → 星盘 → 星历 →
  //       我的报告，且「我的报告」未改名）一字未改。
  const header = sidebar.slice(sidebar.indexOf("<SidebarHeader"), sidebar.indexOf("</SidebarHeader>"));
  const newChat = header.indexOf("新建对话");
  const navPages = header.indexOf("NAV_PAGES.map");
  assert.ok(newChat >= 0 && navPages > newChat);

  const pages = sidebar.slice(sidebar.indexOf("const NAV_PAGES"), sidebar.indexOf("] as const;"));
  const chart = pages.indexOf('"星盘"');
  const ephemeris = pages.indexOf('"星历"');
  const reports = pages.indexOf('"我的报告"');
  assert.ok(chart >= 0 && ephemeris > chart && reports > ephemeris);
  // 原值：`leaveChat("/chart")` / `leaveChat("/ephemeris")` —— 两个会走
  //       `window.location.assign(path)` 的按钮回调。
  // 新值：三个页面项统一由 `NAV_PAGES` 渲染成 `<SidebarMenuLink href=…>`，并追加
  //       反向断言：侧栏里不得再出现 `window.location.assign("/chart"…)` 这类整页跳转。
  // 原因：TASK-sidebar-unify D3/T4——首页进次级页曾是整页刷新，React 树、会话列表、
  //       账户全部清零。断言主语（三项都在、顺序正确、有 tooltip）没变，
  //       新增的 doesNotMatch 比原断言更强。
  assert.match(sidebar, /\{ href: "\/chart", label: "星盘"/);
  assert.match(sidebar, /\{ href: "\/ephemeris", label: "星历"/);
  assert.match(sidebar, /\{ href: "\/reports", label: "我的报告"/);
  assert.match(sidebar, /tooltip=\{label\}/);
  assert.doesNotMatch(sidebar, /window\.location\.assign/);
});

test("the parameters are one key/value table, not a per-breakpoint duplicate", () => {
  // 原值：断言 `@media (max-width: 767px)` 块里的三个开关
  //       `.chart-page-center-compact { display: block }` /
  //       `.chart-page-center-extra { display: none }` /
  //       `.chart-page-params-below { display: block }`。
  // 新值：断言参数只有一张 `.chart-page-params-table` 键值表，且那三个类名在
  //       整份 CSS 里都不再作为规则出现。
  // 原因：T5.1 要求参数从中宫卡与盘下卡收进一张统一键值表（决策记录 D8 一系）。
  //       原断言守的是「同一组参数按断点切换三种画法」，那正是本轮要去掉的东西，
  //       断言无法原样保留。新断言比原来更强：它不只要求当前画法正确，还禁止
  //       任何一种按断点复制参数的写法回来。
  //       注：原写法本身也是个陷阱——`indexOf` 未命中时返回 -1，`-2000` 之后
  //       会从文件开头重新搜 `@media`，静默锚到无关的断点块上。
  assert.match(cssDeclarations(".chart-page-param-row", globalStyles), /grid-template-columns/);
  for (const dead of [
    ".chart-page-center-card",
    ".chart-page-center-compact",
    ".chart-page-center-extra",
    ".chart-page-params-below",
    ".chart-page-boundary-desktop",
  ]) {
    assert.equal(
      declaredSelectors(globalStyles).has(dead),
      false,
      `${dead} still has a CSS rule`,
    );
  }
  assert.match(cssDeclarations(".chart-page-tab", globalStyles), /min-height:\s*44px/);
  assert.match(cssDeclarations(".chart-page-chip", globalStyles), /min-height:\s*44px/);
  assert.match(globalStyles, /\.chart-page-vedic-stage \.personal-report-chart-svg text \{ font-size: 16px; \}/);
});

test("the planet table scrolls inside its own box instead of widening the page", () => {
  assert.match(cssDeclarations(".chart-page-planet-table-wrap", globalStyles), /overflow-x:\s*auto/);
  // Without `min-width: 0` a grid item is sized by its content, so the table
  // pushes the page sideways and the overflow never engages.
  assert.match(cssDeclarations(".chart-page-planet-table-wrap", globalStyles), /min-width:\s*0/);
  assert.match(cssDeclarations(".chart-page-planet-table", globalStyles), /min-width:\s*\d/);
  // Every planet table is wrapped, not just the one on the 星盘 tab.
  for (const source of [vedicTab, westernTab, qizhengTab]) {
    const tables = [...source.matchAll(/<table className="chart-page-planet-table">/g)].length;
    const wraps = [...source.matchAll(/<div className="chart-page-planet-table-wrap">/g)].length;
    assert.equal(wraps, tables);
  }
});

test("an incomplete profile page has no loading animation", () => {
  const markup = withSidebarProvider(React.createElement(ChartPageView, {
    view: { status: "birth_profile_incomplete", billed: false, message: "还没有可用来排盘的出生资料。" },
  }));
  assert.match(markup, /还没有可用来排盘的出生资料/);
  assert.doesNotMatch(markup, /正在加载|InlineSpinner|skeleton/i);
  assert.doesNotMatch(markup, /chart-page-eyebrow|打开即有/);
});

test("the chart page shell is visible before the natal chart arrives", () => {
  const markup = withSidebarProvider(React.createElement(ChartPageView, { view: null }));
  assert.match(markup, />星盘</);
  // 原值：`assert.match(markup, /新建对话/)` —— 在页面组件的产物里断言侧栏第一项
  // 新值：断言 46px 顶栏的侧栏触发器在场；侧栏本体改由本文件下一条
  //       「(secondary) layout 挂一份只读侧栏」断言，读的是 layout 源码
  // 原因：TASK-sidebar-unify D2 把 provider + 侧栏从每页各一份上移到
  //       `app/(secondary)/layout.tsx`，页面组件的产物里本就不该再有侧栏。
  //       断言主语（这一页不靠一次性「返回对话」链接回去）没变，覆盖没有减少。
  assert.match(markup, /data-sidebar="trigger"/);
  assert.doesNotMatch(markup, /返回对话/);
  assert.match(markup, /这一张盘还没拿到/);
  assert.doesNotMatch(markup, /正在加载|骨架|spinner|打开即有/i);
  assert.doesNotMatch(markup, /chart-page-eyebrow/);
});

test("failure copy has no eyebrow and does not promise a later retry", () => {
  const markup = withSidebarProvider(React.createElement(ChartPageView, {
    view: { status: "chart_unavailable", billed: false, message: CHART_VIEW_COPY.unavailable },
  }));
  assert.match(markup, new RegExp(CHART_VIEW_COPY.unavailable));
  assert.doesNotMatch(markup, /chart-page-eyebrow|打开即有|过一会儿再打开|不消耗点数/);
});

test("a pending western tab uses inline waiting copy instead of a spinner", async () => {
  const view = await okView();
  const markup = withSidebarProvider(React.createElement(ChartPageView, {
    view,
    initialTab: "western",
    pendingLayers: new Set<typeof CHART_VIEW_LAYERS[number]>(["western"]),
  }));
  assert.match(markup, /这一栏还没拿到/);
  assert.doesNotMatch(markup, /正在加载|InlineSpinner|skeleton/i);
});

test("the (secondary) layout mounts one read-only sidebar for all four routes", () => {
  const layout = readFileSync(new URL("../src/app/(secondary)/layout.tsx", import.meta.url), "utf8");

  // One provider, one sidebar, one inset — for /chart, /ephemeris, /reports and
  // /reports/[reportId] together. Each page used to mount its own.
  assert.match(layout, /<SidebarProvider>/);
  assert.match(layout, /<AppSidebar\b/);
  assert.match(layout, /<SidebarInset className="chat-panel secondary-panel">/);
  assert.equal(layout.match(/<SidebarProvider>/g)?.length, 1);

  // Read-only: no `controls`, so no rename / archive / delete / account menu.
  assert.doesNotMatch(layout, /controls=/);
  assert.match(layout, /useSidebarData\(\)/);

  // The data hook never writes, and the pages never mount a second shell.
  const hook = readFileSync(new URL("../src/hooks/use-sidebar-data.ts", import.meta.url), "utf8");
  assert.doesNotMatch(hook, /method:\s*"(?:POST|PATCH|PUT|DELETE)"/);
  assert.match(hook, /fetch\("\/api\/sessions\?limit=40"/);
  assert.match(hook, /fetch\("\/api\/account"/);
});