/**
 * Chart-page `/?rectify=1` uses the homepage open, which resumes a case
 * already in progress. Intent "new" would surface a conflict instead.
 * Fictional profile only. BUG-1446.
 */
import assert from "node:assert/strict";
import test from "node:test";
import React, { useRef, useState } from "react";

import {
  EMPTY_RECTIFICATION_SHELL,
  useRectificationSurface,
} from "../src/hooks/use-rectification-surface.ts";
import type { Account, Profile } from "../src/lib/home-types.ts";
import type { PublicLanguageModelCatalog } from "../src/lib/public-models.ts";
import { createClientLifecycleHarness } from "./react-client-lifecycle-test-support.ts";
import { loadRectificationSurface } from "../src/lib/rectification-surface-loader.ts";

Object.assign(globalThis, { React });

const SESSION_ID = "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaa1";

const profile = {
  name: "示例",
  date: "1990-06-15",
  time: "12:00",
  reportedTime: "12:00",
  birthTimeSource: "hospital_record",
  birthTimePeriod: "",
  declaredWindowStart: "",
  declaredWindowEnd: "",
  birthTimeClue: "",
  uncertaintyBeforeMinutes: 2,
  uncertaintyAfterMinutes: 2,
  birthTimeStatus: "reported",
  countryCode: "",
  provinceCode: "",
  cityCode: "",
  districtCode: "",
  birthPlaceLabel: "北京",
  birthPlaceType: "city",
  birthPlaceProvider: "test",
  birthPlaceProviderId: "beijing",
  timezoneId: "Asia/Shanghai",
  timezoneSource: "manual",
  latitude: 39.9,
  longitude: 116.4,
  timezoneOffset: 8,
  rectificationCaseId: "",
  ayanamsa: "raman",
} satisfies Profile;

const catalog: PublicLanguageModelCatalog = {
  models: [{ id: "m", label: "M", description: "", creditCost: 1, isDefault: true }],
  defaultModelId: "m",
};

function jsonResponse(body: unknown, status = 200) {
  return {
    ok: status >= 200 && status < 300,
    status,
    json: async () => body,
  } as Response;
}

function installLocation(search: string) {
  const location = {
    pathname: "/",
    search,
    href: `https://jyotisha.chat/${search}`,
  };
  const history = {
    replaceState(_data: null, _title: string, next: string) {
      const url = new URL(next, "https://jyotisha.chat");
      location.pathname = url.pathname;
      location.search = url.search;
      location.href = url.toString();
    },
    pushState(_data: null, _title: string, next: string) {
      history.replaceState(_data, _title, next);
    },
  };
  const view = globalThis.window as { location?: typeof location; history?: typeof history };
  view.location = location;
  view.history = history;
  Object.assign(globalThis, { location, history });
}

function Probe() {
  const [rectification, setRectification] = useState(EMPTY_RECTIFICATION_SHELL);
  const activeSessionIdRef = useRef("");
  const sessionSelectionSource = useRef<"user" | "history">("user");
  const uiPreview = useRef(false);
  const rectificationSessionOpenerRef = useRef<(exactSessionId: string) => Promise<void>>(async () => undefined);
  useRectificationSurface({
    account: { id: "user-1" } as unknown as Account,
    activeSessionIdRef,
    chartLibrary: [],
    creatingSession: false,
    modelCatalog: catalog,
    persistSession: async () => undefined,
    profile,
    rectification,
    setRectification,
    sessionSelectionSource,
    sessions: [],
    setActiveSessionId: () => undefined,
    setDraft: () => undefined,
    setDraftEntrypoint: () => undefined,
    setDraftTheme: () => undefined,
    setOnboardingStep: () => undefined,
    setProfileNotice: () => undefined,
    setSessions: () => undefined,
    uiPreview,
    updateSession: () => undefined,
    openAccountDialog: () => undefined,
    refreshAccount: async () => undefined,
    rectificationSessionOpenerRef,
  });
  return React.createElement("p", {
    "data-testid": "rectify-result",
    "data-error": rectification.error,
    "data-session": rectification.sessionId ?? "",
  });
}

async function openFromChart(disposition: "resumed" | "created") {
  const posts: Array<{ intent?: string }> = [];
  const previousFetch = globalThis.fetch;
  const harness = createClientLifecycleHarness();
  // 原值：打开流程不等校正界面代码，两次 idle（约 20 ms）就设好会话
  // 新值：先把校正界面代码载入，再走同样的打开流程
  // 原因：issue #124 校正界面改为按需下载，打开时要等它到齐才设会话（一次揭幕）；
  //       tsx 现场转译 74 个文件远超 20 ms，本组测的是打开意图与会话，不是下载时长
  await loadRectificationSurface();
  installLocation("?rectify=1");
  globalThis.fetch = (async (input: RequestInfo | URL, init?: RequestInit) => {
    const url = String(input);
    if (url === "/api/rectification/cases/open") {
      posts.push(JSON.parse(String(init?.body ?? "{}")) as { intent?: string });
      return jsonResponse({
        disposition,
        caseId: "case-1",
        sessionId: SESSION_ID,
        status: "draft",
        shouldStartOpening: disposition === "created",
        skillVersion: "10.0.33",
      });
    }
    if (url.includes("/source")) return jsonResponse({ source: null });
    if (url.startsWith("/api/sessions/")) return jsonResponse({ session: null });
    return jsonResponse({});
  }) as typeof fetch;
  try {
    await harness.render(React.createElement(Probe));
    await harness.idle();
    await harness.idle();
    const node = harness.elements().find((element) => element.getAttribute("data-testid") === "rectify-result");
    return {
      posts,
      box: {
        errors: node?.getAttribute("data-error") ? [node.getAttribute("data-error") ?? ""] : [],
        sessionId: node?.getAttribute("data-session") || null,
      },
      errors: harness.errors,
    };
  } finally {
    globalThis.fetch = previousFetch;
    await harness.close();
  }
}

test("?rectify=1 resumes an open case with the homepage intent and does not show a conflict", async () => {
  const { posts, box, errors } = await openFromChart("resumed");
  assert.equal(errors.length, 0);
  assert.equal(posts.length, 1);
  assert.equal(posts[0]?.intent, "homepage");
  assert.equal(box.sessionId, SESSION_ID);
  assert.deepEqual(box.errors, []);
  assert.equal(box.errors.join(""), "");
});

test("?rectify=1 starts a case with the homepage intent when none is open", async () => {
  const { posts, box, errors } = await openFromChart("created");
  assert.equal(errors.length, 0);
  assert.equal(posts.length, 1);
  assert.equal(posts[0]?.intent, "homepage");
  assert.equal(box.sessionId, SESSION_ID);
  assert.deepEqual(box.errors, []);
});