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

import { EphemerisView } from "../src/components/ephemeris/ephemeris-page.tsx";
import { SidebarProvider } from "../src/components/ui/sidebar.tsx";
import { parseEphemerisOkResponse, type EphemerisOkResponse } from "../src/lib/ephemeris-contract.ts";
import {
  EPHEMERIS_COPY,
  ephemerisAskDraft,
  ephemerisAyanamsaNote,
  panchangaFactorsFromEngine,
  shiftEphemerisDate,
  transitsFromEngine,
} from "../src/lib/ephemeris-view.ts";

Object.assign(globalThis, { React });

const pageSource = readFileSync(new URL("../src/components/ephemeris/ephemeris-page.tsx", import.meta.url), "utf8");
// 原值：`../src/app/ephemeris/page.tsx`
// 新值：`../src/app/(app)/ephemeris/page.tsx`
// 原因：四个次级路由移进 `(secondary)` 路由组共享一份外壳（TASK-sidebar-unify D2）。
//       路由组括号不进 URL，`/ephemeris` 一字未改；这里改的只是源码位置。
const routePage = readFileSync(new URL("../src/app/(app)/ephemeris/page.tsx", import.meta.url), "utf8");
const css = readFileSync(new URL("../src/app/globals.css", import.meta.url), "utf8");
const panchangaGolden = JSON.parse(readFileSync(new URL("./fixtures/ephemeris-panchanga-range.golden.json", import.meta.url), "utf8"));
const natalGolden = JSON.parse(readFileSync(new URL("./fixtures/ephemeris-chart-natal.golden.json", import.meta.url), "utf8"));
const transit15 = JSON.parse(readFileSync(new URL("./fixtures/ephemeris-chart-transit-2026-09-15.golden.json", import.meta.url), "utf8"));
const transit14 = JSON.parse(readFileSync(new URL("./fixtures/ephemeris-chart-transit-2026-09-14.golden.json", import.meta.url), "utf8"));

function payloadFor(date: "2026-09-14" | "2026-09-15", events: EphemerisOkResponse["events"] = { status: "unavailable" }): EphemerisOkResponse {
  const transits = transitsFromEngine({
    transitChart: date === "2026-09-14" ? transit14 : transit15,
    natalChart: natalGolden,
  });
  const parsed = parseEphemerisOkResponse({
    status: "ok",
    date,
    today: "2026-09-15",
    timezoneId: "Asia/Shanghai",
    panchanga: {
      available: true,
      ayanamsaNote: "lahiri_not_account",
      factors: panchangaFactorsFromEngine(panchangaGolden, date),
    },
    transits: {
      available: true,
      natalRelativeAvailable: true,
      natalRelativeNote: "shown",
      ayanamsa: "raman",
      bodies: transits.bodies,
    },
    events,
  });
  assert.ok(parsed);
  return parsed;
}

/* 原值：直接 `renderToStaticMarkup(<EphemerisView … />)`
   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/(app)/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));
}
function render(payload: EphemerisOkResponse | null, date = payload?.date ?? "2026-09-15") {
  return withSidebarProvider(React.createElement(EphemerisView, {
    date,
    today: "2026-09-15",
    payload,
    onPrevious() {},
    onNext() {},
    onToday() {},
    onSelectDate() {},
    onAsk() {},
  }));
}

test("the ephemeris page is its own route and never grows page.tsx", () => {
  assert.match(routePage, /from "@\/components\/ephemeris\/ephemeris-page"/);
  assert.doesNotMatch(readFileSync(new URL("../src/app/(app)/page.tsx", import.meta.url), "utf8"), /ephemeris-page/);
  // 原值: assert.doesNotMatch(app-sidebar.tsx, /ephemeris/)
  // 新值: 本单文件归属只锁 page.tsx / 本 route，不再锁 sidebar
  // 原因: TASK-chart-page-20260915 任务 3 要求 sidebar 同时加「星盘」「星历」入口；文件归属「本单不改 sidebar」不是产品事实「sidebar 不得出现 ephemeris」（BUG-711）
  const thisTest = readFileSync(new URL(import.meta.url), "utf8");
  assert.doesNotMatch(thisTest, /from "@\/components\/app-sidebar"/);
});

test("date switching replaces panchanga and transits", () => {
  const fourteenth = payloadFor("2026-09-14");
  const fifteenth = payloadFor("2026-09-15");
  assert.notEqual(
    fourteenth.panchanga.factors.find((item) => item.key === "tithi")?.value,
    fifteenth.panchanga.factors.find((item) => item.key === "tithi")?.value,
  );
  const moon14 = fourteenth.transits.bodies.find((item) => item.planet === "Moon");
  const moon15 = fifteenth.transits.bodies.find((item) => item.planet === "Moon");
  assert.notEqual(moon14?.degreeInSign, moon15?.degreeInSign);

  const markup14 = render(fourteenth);
  const markup15 = render(fifteenth);
  assert.match(markup14, /Shukla Chaturthi/);
  assert.match(markup15, /Shukla Panchami/);
  assert.doesNotMatch(markup15, /Shukla Chaturthi/);
  assert.match(markup14, /2026年9月14日/);
  assert.match(markup15, /2026年9月15日/);
  assert.equal(shiftEphemerisDate("2026-09-15", -1), "2026-09-14");
});

test("unavailable events render a static note, not a blank page", () => {
  const markup = render(payloadFor("2026-09-15"));
  assert.match(markup, new RegExp(EPHEMERIS_COPY.eventsUnavailable));
  assert.match(markup, /Shukla Panchami/);
  assert.match(markup, /狮子座/);
  assert.doesNotMatch(markup, /spinner|正在加载|skeleton/i);
});

test("the Lahiri note sits under panchanga and not under transits", () => {
  const markup = render(payloadFor("2026-09-15"));
  const panchanga = markup.indexOf(EPHEMERIS_COPY.panchangaHeading);
  // 原值：`EPHEMERIS_COPY.panchangaLahiriNote`（固定句「这一段按 Lahiri 岁差算，和星盘页用的岁差不是同一套。」）
  // 新值：`ephemerisAyanamsaNote("raman")`（「五要素按 Lahiri 岁差算，和星盘页的 Raman 不同。」，fixture 的 transits.ayanamsa 是 raman）
  // 原因：TASK-people-ephemeris-ui-20260926 D10 改句式，并要求按资料实际岁差填名、不写死；位置断言（五要素之下、行运之上）一字未改。
  const lahiriNote = ephemerisAyanamsaNote("raman");
  const note = markup.indexOf(lahiriNote);
  const transits = markup.indexOf(EPHEMERIS_COPY.transitsHeading);
  assert.ok(panchanga >= 0 && note >= 0 && transits >= 0);
  assert.ok(panchanga < note && note < transits);
  const transitsBlock = markup.slice(transits);
  assert.doesNotMatch(transitsBlock, new RegExp(lahiriNote));
});

test("今天 is absent on today and present off it, never disabled", () => {
  // 原值：`assert.match(markup, new RegExp(EPHEMERIS_COPY.today))` —— 在
  //       「copy stays factual」里对唯一一次渲染（date === today）断言「今天」在场。
  // 新值：拆成两个状态各断一次，并加断 `disabled` 不出现。
  // 原因：T5.2 验收标准要求「在今日时不出现『今天』按钮，而不是出现一个禁用按钮」。
  //       原断言恰好只覆盖 date === today 这一种情况，照搬会要求今日也渲染该按钮，
  //       与验收标准直接冲突。新断言覆盖两个状态，比原来严格。
  const onToday = render(payloadFor("2026-09-15"));
  assert.doesNotMatch(onToday, new RegExp(EPHEMERIS_COPY.today));
  assert.doesNotMatch(onToday, /disabled=""/);

  const offToday = render(payloadFor("2026-09-14"));
  assert.match(offToday, new RegExp(EPHEMERIS_COPY.today));
  assert.doesNotMatch(offToday, /disabled=""/);
});

test("mobile CSS turns five panchanga cards into one stacked card", () => {
  const markup = render(payloadFor("2026-09-15"));
  assert.match(markup, /class="ephemeris-panchanga"/);
  assert.equal([...markup.matchAll(/ephemeris-panchanga-item/g)].length, 5);
  assert.match(css, /@media \(max-width: 767px\) \{[\s\S]*\.ephemeris-panchanga \{[\s\S]*grid-template-columns:\s*1fr/);
  assert.match(css, /@media \(max-width: 767px\) \{[\s\S]*\.ephemeris-panchanga-item \{[\s\S]*grid-template-columns:\s*5\.5rem minmax\(0, 1fr\)/);
  assert.match(css, /\.ephemeris-date-button \{[\s\S]*min-height:\s*44px/);
});

test("copy stays factual: no fortune-telling, no spinner, ask prefills the date", () => {
  const markup = render(payloadFor("2026-09-15"));
  // 原值: 页尾必须含「这一页是天象本身，不是对你的判断。」
  // 新值: 页面不得出现该句
  // 原因: 产品 2026-09-17 判定为过度提示，与星盘页眉标同一类
  assert.doesNotMatch(markup, /天象本身|不是对你的判断/);
  assert.doesNotMatch(markup, /ephemeris-outro/);
  assert.match(markup, new RegExp(EPHEMERIS_COPY.ask));
  assert.match(markup, new RegExp(EPHEMERIS_COPY.previousDay));
  assert.match(markup, new RegExp(EPHEMERIS_COPY.nextDay));
  // 原值：`assert.doesNotMatch(markup, /运势|适合|不宜|建议|吉祥日/)`，对整页 markup。
  // 新值：先去掉底部提示卡那一句问句（EPHEMERIS_COPY.askPrompt），再对其余 markup 断同一组词；另断问句只出现一次。
  // 原因：D8 产品定稿的底部提示卡原文是「想问这一天适不适合做某件事？」——这是邀请用户提问的问句，不是页面给出的
  //       宜忌结论；五要素、总评、行运、九十天事件里仍不得出现这组词，约束范围没有放宽。
  const withoutAskPrompt = markup.replace(EPHEMERIS_COPY.askPrompt, "");
  assert.equal(markup.split(EPHEMERIS_COPY.askPrompt).length - 1, 1);
  assert.doesNotMatch(withoutAskPrompt, /运势|适合|不宜|建议|吉祥日/);
  assert.doesNotMatch(pageSource, /InlineSpinner|正在加载|skeleton/i);
  assert.equal(ephemerisAskDraft("2026-09-15"), "请按 2026年9月15日 这一天的天象来看。");
  assert.match(pageSource, /setComposerDraft\(ephemerisAskDraft/);
});

test("an uncached date keeps the date bar and replaces the three sections with static sentences", () => {
  const markup = withSidebarProvider(React.createElement(EphemerisView, {
    date: "2026-09-16",
    today: "2026-09-15",
    payload: null,
    dataState: "pending",
    onPrevious() {},
    onNext() {},
    onToday() {},
    onSelectDate() {},
    onAsk() {},
  }));
  assert.match(markup, /2026年9月16日/);
  assert.match(markup, new RegExp(EPHEMERIS_COPY.previousDay));
  assert.match(markup, new RegExp(EPHEMERIS_COPY.panchangaUnavailable));
  assert.match(markup, new RegExp(EPHEMERIS_COPY.transitsUnavailable));
  assert.match(markup, new RegExp(EPHEMERIS_COPY.eventsPending));
  assert.doesNotMatch(markup, /还没接上|正在加载|skeleton|spinner/i);
});

test("a failed date shows the retry sentence in each section", () => {
  const markup = withSidebarProvider(React.createElement(EphemerisView, {
    date: "2026-09-16",
    today: "2026-09-15",
    payload: null,
    dataState: "failed",
    onPrevious() {},
    onNext() {},
    onToday() {},
    onSelectDate() {},
    onAsk() {},
  }));
  assert.equal((markup.match(new RegExp(EPHEMERIS_COPY.dateFailed, "g")) ?? []).length, 3);
  assert.match(markup, /2026年9月16日/);
  assert.doesNotMatch(markup, /正在加载|skeleton|spinner/i);
});