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 { PeopleArchiveView, type PeopleArchiveViewProps, type PersonRow } from "../src/components/people/people-page.tsx";
import { emptyProfile, type Profile } from "../src/lib/home-types.ts";
import {
  PEOPLE_AVATAR_TONES,
  peopleAvatarInitial,
  peopleAvatarTone,
  peopleAyanamsaLabel,
  peopleCityLabel,
  peopleRowMeta,
  peopleTimeRectified,
} from "../src/lib/people-archive-view.ts";
import { cssDeclarations } from "./css-contract-test-support.ts";

Object.assign(globalThis, { React });

const css = readFileSync(new URL("../src/app/globals.css", import.meta.url), "utf8");
const source = readFileSync(new URL("../src/components/people/people-page.tsx", import.meta.url), "utf8");

/* Fictional people only (AGENTS §8). */
const selfProfile: Profile = {
  ...emptyProfile,
  name: "示例甲",
  date: "1990-01-02",
  time: "04:53",
  reportedTime: "05:00",
  birthTimeStatus: "accepted",
  rectificationCaseId: "fictional-case-1",
  activeDate: "1990-01-02",
  birthPlaceLabel: "中国 · 浙江省 · 杭州市 · 西湖区",
  latitude: 30.25,
  longitude: 120.13,
  timezoneId: "Asia/Shanghai",
  timezoneOffset: 8,
  ayanamsa: "raman",
};
const otherProfile: Profile = {
  ...emptyProfile,
  name: "示例乙",
  date: "1992-03-12",
  time: "10:01",
  reportedTime: "10:01",
  birthTimeStatus: "reported",
  birthPlaceLabel: "Lisbon, Portugal",
  latitude: 38.72,
  longitude: -9.14,
  timezoneId: "Europe/Lisbon",
  timezoneOffset: 0,
  ayanamsa: "lahiri",
};
const people: PersonRow[] = [
  { id: "self", role: "self", profile: selfProfile, incomplete: false },
  { id: "11111111-1111-4111-8111-111111111111", role: "other", profile: otherProfile, incomplete: false },
];

function props(overrides: Partial<PeopleArchiveViewProps> = {}): PeopleArchiveViewProps {
  const noop = () => {};
  const asyncNoop = async () => {};
  return {
    people,
    subjectId: "self",
    selected: people[0],
    selectedId: "self",
    view: "list",
    editing: false,
    draft: emptyProfile,
    notice: "",
    pendingDelete: null,
    saving: false,
    atLimit: false,
    onSelect: noop,
    onBack: noop,
    onAdd: noop,
    onEdit: noop,
    onCancelEdit: noop,
    onDraftChange: noop,
    saveOther: asyncNoop,
    askDelete: asyncNoop,
    onCancelDelete: noop,
    confirmDelete: asyncNoop,
    openPerson: noop,
    ...overrides,
  };
}

const render = (overrides: Partial<PeopleArchiveViewProps> = {}) =>
  renderToStaticMarkup(React.createElement(PeopleArchiveView, props(overrides)));

test("D2 list rows: avatar, name, 本人 tag, one monospace meta line, chevron", () => {
  const markup = render();
  assert.equal([...markup.matchAll(/class="people-archive-row[ "]/g)].length, 2);
  assert.match(markup, /<span class="people-archive-avatar is-self" aria-hidden="true">我<\/span>/);
  assert.match(markup, /<b>示例甲<\/b><span class="people-archive-tag">本人<\/span>/);
  assert.match(markup, /<small class="people-archive-row-meta">1990-01-02 · 04:53 · 杭州<\/small>/);
  assert.match(markup, /<small class="people-archive-row-meta">1992-03-12 · 10:01 · Lisbon<\/small>/);
  assert.equal([...markup.matchAll(/class="people-archive-chevron" aria-hidden="true">›</g)].length, 2);
  assert.match(markup, /class="people-archive-add"[^>]*>＋ 添加一个人</);
  assert.match(markup, /class="people-archive-hint">还可以保存 3 个人</);
});

test("D2 the current person carries is-current, whoever it is", () => {
  const selfCurrent = render();
  assert.match(selfCurrent, /class="people-archive-row is-current[^"]*" aria-current="true"[\s\S]*示例甲/);
  const otherCurrent = render({ subjectId: people[1].id });
  const rows = otherCurrent.split("<li>").slice(1);
  assert.doesNotMatch(rows[0], /is-current/);
  assert.match(rows[1], /class="people-archive-row is-current/);
});

test("D2 at the limit the add card is disabled and the limit sentence shows", () => {
  const markup = render({ atLimit: true });
  assert.match(markup, /class="people-archive-add" type="button" disabled=""/);
  assert.match(markup, /最多保存 5 个人的星盘/);
  assert.doesNotMatch(markup, /还可以保存/);
});

test("D1 the view flag drives list → detail; the back control is in the detail column", () => {
  assert.match(render(), /class="people-archive" data-view="list"/);
  const detail = render({ view: "detail" });
  assert.match(detail, /class="people-archive" data-view="detail"/);
  const detailColumn = detail.slice(detail.indexOf("people-archive-detail"));
  assert.match(detailColumn, /class="people-archive-back"[^>]*><span aria-hidden="true">‹<\/span> 返回</);
});

test("D3 detail: header, two time cards (rectified in the success family), date, readable ayanamsa, three actions", () => {
  const markup = render({ view: "detail" });
  assert.match(markup, /<h2>示例甲<\/h2><p>本人 · 中国 · 浙江省 · 杭州市 · 西湖区<\/p>/);
  assert.match(markup, /class="people-archive-time"><small>填报时间<\/small><b>05:00<\/b>/);
  assert.match(markup, /class="people-archive-time is-rectified"><small>排盘时间 · 已校正<\/small><b>04:53<\/b>/);
  assert.match(markup, /<dt>出生日期<\/dt><dd>1990-01-02<\/dd><dt>岁差<\/dt><dd>Raman（默认）<\/dd>/);
  assert.doesNotMatch(markup, /<dd>raman<\/dd>/);
  const actions = markup.slice(markup.indexOf("people-archive-actions"));
  for (const label of ["和 TA 对话", "看星盘", "生成报告"]) assert.match(actions, new RegExp(label));
});

test("D3 本人 has no delete anywhere; the grey foot says so", () => {
  const markup = render({ view: "detail" });
  assert.match(markup, /class="people-archive-foot"><p>本人不能删除<\/p>/);
  assert.doesNotMatch(markup, /删除这个人|确认删除/);
});

test("D3 another person's detail offers 编辑 and 和我合盘, and delete only in the edit view", () => {
  const other = people[1];
  const detail = render({ view: "detail", selected: other, selectedId: other.id });
  assert.match(detail, /class="people-archive-time"><small>排盘时间<\/small><b>10:01<\/b>/);
  assert.match(detail, /<dd>Lahiri<\/dd>/);
  assert.match(detail, /和我合盘/);
  assert.match(detail, />编辑</);
  assert.doesNotMatch(detail, /删除这个人/);

  const editing = render({ view: "detail", selected: other, selectedId: other.id, editing: true, draft: other.profile });
  assert.match(editing, /编辑人物/);
  const form = editing.indexOf("chart-library-form");
  const danger = editing.indexOf("people-archive-danger");
  assert.ok(form > 0 && danger > form, "delete sits under the edit form");
  assert.match(editing.slice(danger), /删除这个人/);

  const confirm = render({
    view: "detail", selected: other, selectedId: other.id, editing: true, draft: other.profile,
    pendingDelete: { id: other.id, sessions: 2, reports: 1 },
  });
  assert.match(confirm, /将同时删除 2 个对话和 1 份报告，无法恢复。/);

  const adding = render({ view: "detail", selected: people[0], selectedId: "", editing: true });
  assert.match(adding, /添加一个人/);
  assert.doesNotMatch(adding, /删除这个人/);
});

test("D3 the delete-count failure shows under the delete button, not as a form success", () => {
  const other = people[1];
  const markup = render({
    view: "detail", selected: other, selectedId: other.id, editing: true, draft: other.profile,
    notice: "暂时查不到这个人的对话数量，稍后再试",
  });
  const danger = markup.slice(markup.indexOf("people-archive-danger"));
  assert.match(danger, /class="form-error" role="alert">暂时查不到这个人的对话数量，稍后再试/);
  assert.doesNotMatch(markup.slice(0, markup.indexOf("people-archive-danger")), /暂时查不到/);
});

test("D4 avatar tone is stable per id and only uses element tones", () => {
  const id = people[1].id;
  assert.equal(peopleAvatarTone(id, "other"), peopleAvatarTone(id, "other"));
  assert.ok((PEOPLE_AVATAR_TONES as readonly string[]).includes(peopleAvatarTone(id, "other")));
  assert.equal(peopleAvatarTone("self", "self"), "self");
  const tones = new Set(["a", "b", "c", "d", "e", "f", "g", "h"].map((value) => peopleAvatarTone(value, "other")));
  assert.ok(tones.size > 1, "different ids spread over the tones");
  assert.equal(peopleAvatarInitial(otherProfile, "other"), "示");
  assert.equal(peopleAvatarInitial(selfProfile, "self"), "我");
  assert.equal(peopleAvatarInitial({ ...emptyProfile }, "other"), "未");
});

test("helpers: city, meta, rectified and ayanamsa label", () => {
  assert.equal(peopleCityLabel(selfProfile), "杭州");
  assert.equal(peopleCityLabel(otherProfile), "Lisbon");
  assert.equal(peopleCityLabel(emptyProfile), "");
  assert.equal(peopleRowMeta({ ...otherProfile, birthPlaceLabel: "" }), "1992-03-12 · 10:01");
  assert.equal(peopleTimeRectified(selfProfile), true);
  assert.equal(peopleTimeRectified({ ...selfProfile, birthTimeStatus: "confirmed" }), true);
  assert.equal(peopleTimeRectified(otherProfile), false);
  // A legacy row with a time reads back as `confirmed` but has no rectification case.
  assert.equal(peopleTimeRectified({ ...otherProfile, birthTimeStatus: "confirmed", rectificationCaseId: "" }), false);
  assert.equal(peopleAyanamsaLabel(selfProfile), "Raman（默认）");
  assert.equal(peopleAyanamsaLabel({ ...selfProfile, ayanamsa: "kp" }), "KP");
});

test("CSS: every people-archive class the component uses has a rule (BUG-1039)", () => {
  // Class names only: every `className=` string / template in the component (the
  // import path and the form's input id also contain "people-archive").
  const classStrings = [...source.matchAll(/className=\{?(?:`([^`]+)`|"([^"]+)"|[^}]*?\? "([^"]+)" : "([^"]+)")/g)]
    .flatMap((hit) => hit.slice(1).filter(Boolean));
  const used = new Set(classStrings.flatMap((value) => value.match(/people-archive[a-z-]*/g) ?? []));
  const missing = [...used].filter((name) => !new RegExp(`\\.${name}(?![a-z-])`).test(css));
  assert.deepEqual(missing, []);
  assert.ok(used.size >= 20);
});

test("CSS: touch targets, list/detail switch below 1024, two columns at 1024", () => {
  const minHeight = (selector: string) => Number(cssDeclarations(selector, css).match(/min-height:\s*(\d+)px/)?.[1] ?? 0);
  assert.ok(minHeight(".people-archive-row") >= 44);
  assert.ok(minHeight(".people-archive-add") >= 44);
  assert.ok(minHeight(".people-archive-back") >= 44);
  assert.ok(minHeight(".people-archive-actions button") >= 44);
  assert.ok(minHeight(".people-archive-secondary") >= 44);
  assert.match(css, /@media \(max-width: 1023px\) \{[\s\S]*?\.people-archive\[data-view="list"\] \.people-archive-detail,\s*\.people-archive\[data-view="detail"\] \.people-archive-list \{ display: none; \}/);
  assert.match(css, /@media \(min-width: 1024px\) \{\s*\.people-archive \{ grid-template-columns:/);
  assert.match(cssDeclarations(".people-archive-row.is-current", css), /var\(--color-action-strong\)[\s\S]*var\(--color-action-soft\)/);
  assert.match(cssDeclarations(".people-archive-time.is-rectified", css), /var\(--color-success\)/);
  for (const tone of PEOPLE_AVATAR_TONES) {
    assert.match(cssDeclarations(`.people-archive-avatar.is-${tone}`, css), new RegExp(`var\\(--color-element-${tone}\\)`));
  }
});