import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import test from "node:test";

import {
  templatePostAdoptExplain,
  validateAdoptNarration,
} from "../src/lib/rectification-agentic/v9/adopt-narration.ts";
import {
  buildMethodFollowupPlan,
  buildNextUserAction,
  spokenFollowupForUser,
} from "../src/lib/rectification-agentic/v9/method-followup.ts";
import {
  USER_COLLECT_QUESTION,
  withFirstDatedCollectInvite,
} from "../src/lib/rectification-agentic/user-copy.ts";
import {
  RECTIFICATION_QUESTION_RETRY_LIMIT,
  rectificationQuestionGapState,
  rectificationQuestionRetryActive,
  type RectificationQuestionGapInput,
} from "../src/lib/rectification-surface-state.ts";

const STYLE_OPTIONS = [
  { label: "明确发生且时间吻合", answer_class: "yes" as const },
  { label: "发生过但程度较弱", answer_class: "weak_yes" as const },
  { label: "明确没有发生", answer_class: "no" as const },
  { label: "这段记不清楚", answer_class: "unsure" as const },
];

function verifyProbe(input: {
  domain: "finance" | "relocation";
  year: number;
  semantic: string;
  split: string;
}) {
  return {
    year: input.year,
    year_label: `${input.year} 年前后`,
    domain: input.domain,
    event_family: input.domain === "finance"
      ? "收入明显变化、大笔支出或欠债"
      : "搬家或长期住到外地",
    source: "dasha_activation" as const,
    tracks: ["vimshottari", "narayana"] as const,
    tracks_agree: true,
    unique_minute_claim: false as const,
    user_meaning: `${input.year} 年前后是否有相关经历。`,
    role: "distinguish" as const,
    style_options: STYLE_OPTIONS,
    semantic_key: input.semantic,
    candidate_split_hash: input.split,
  };
}

const FINANCE_2013 = verifyProbe({
  domain: "finance",
  year: 2013,
  semantic: "finance.2013.verify",
  split: "finance-2013-split",
});
const RELOC_2017 = verifyProbe({
  domain: "relocation",
  year: 2017,
  semantic: "relocation.2017.verify",
  split: "reloc-2017-split",
});

const EDUCATION_EVIDENCE = [{
  status: "confirmed" as const,
  domain: "education",
  datePrecision: "year" as const,
  occurredFrom: "2008-01-01",
  occurredTo: null,
}];

const gapBase: RectificationQuestionGapInput = {
  liveQuestionVisible: false,
  questionMissing: true,
  questionLoadFailed: false,
  busy: false,
  readonly: false,
  regenerating: false,
  snapshotLoaded: true,
  resumableCase: true,
  retryAttempts: 0,
};

test("post-adopt reverse-verify skips a probe already present in askedKeys", () => {
  const remaining = buildMethodFollowupPlan({
    evidence: EDUCATION_EVIDENCE,
    accepted: true,
    eventProbes: [FINANCE_2013, RELOC_2017],
    askedProbeKeys: [FINANCE_2013.semantic_key],
  });
  assert.equal(remaining.next_followup?.domain, "relocation");
  assert.equal(remaining.next_followup?.semantic_key, RELOC_2017.semantic_key);

  const none = buildMethodFollowupPlan({
    evidence: EDUCATION_EVIDENCE,
    accepted: true,
    eventProbes: [FINANCE_2013, RELOC_2017],
    askedProbeKeys: [FINANCE_2013.semantic_key, RELOC_2017.semantic_key],
  });
  assert.equal(none.next_followup, null);
  const action = buildNextUserAction({
    scorableCount: 1,
    evidenceCount: 1,
    hasLatestResult: true,
    selectionAllowed: true,
    sessionOutcome: "adopt_representative",
    nextFollowup: none.next_followup,
    workingTime: "05:07",
    accepted: true,
  });
  assert.equal(action.id, "start_consultation");
});

test("post-adopt reverse-verify also dedupes by candidate_split_hash", () => {
  const plan = buildMethodFollowupPlan({
    evidence: EDUCATION_EVIDENCE,
    accepted: true,
    eventProbes: [FINANCE_2013, RELOC_2017],
    askedProbeKeys: [FINANCE_2013.candidate_split_hash],
  });
  assert.equal(plan.next_followup?.domain, "relocation");
  assert.notEqual(plan.next_followup?.semantic_key, FINANCE_2013.semantic_key);
});

test("empty reverse-verify list forbids a 会拿…核对 promise", () => {
  const facts = {
    precision_stage: "ready_to_adopt" as const,
    already_accepted: false,
    credible_range: ["05:00", "05:06"] as const,
    representative_minute: "05:00",
    runner_up_minute: "05:06",
    opening_window: ["04:45", "05:15"] as const,
    active_candidates: [],
    answered_rounds: 5,
    stop_facts: [],
    post_adopt_verification: [],
    minutes: ["05:00", "05:06"],
    years: [],
  };
  assert.match(templatePostAdoptExplain(facts), /没有还能核对的前事/);
  const denied = validateAdoptNarration("采用后会拿 2016 年教育题来核对。", facts);
  assert.equal(denied.ok, false);
  if (!denied.ok) assert.equal(denied.reason, "promise");
});

test("question gap: start_consultation is verified_idle; missing next_user_action keeps the old path", () => {
  assert.equal(rectificationQuestionGapState({
    ...gapBase,
    nextUserActionId: "start_consultation",
  }), "verified_idle");
  assert.equal(rectificationQuestionRetryActive("verified_idle"), false);
  assert.equal(rectificationQuestionGapState(gapBase), "preparing");
  assert.equal(rectificationQuestionGapState({
    ...gapBase,
    retryAttempts: RECTIFICATION_QUESTION_RETRY_LIMIT,
  }), "unavailable");
});

test("verified_idle UI is a closing line without reload, gap copy, or consult handoff", () => {
  const chat = readFileSync(
    new URL("../src/components/rectification-agentic-chat.tsx", import.meta.url),
    "utf8",
  );
  assert.match(chat, /questionGap === "verified_idle"/);
  assert.match(chat, /postAdoptVerifyDoneCopy/);
  assert.match(chat, /skip_this_probe/);
  assert.match(chat, /SKIP_PROBE_ACTION/);
  assert.doesNotMatch(chat, /rectification-consult-handoff/);
  const idle = chat.slice(chat.indexOf('questionGap === "verified_idle"'));
  assert.doesNotMatch(idle.slice(0, 400), /rectification-question-gap__copy/);
  assert.doesNotMatch(idle.slice(0, 400), /RECTIFICATION_QUESTION_RELOAD_LABEL/);
  // 原值: 状态条「已采用 {savedTime}」+「之后新建对话即按此时间排盘」
  // 新值: verified_idle 走 postAdoptVerifyDoneCopy；无核对题用新句
  // 原因: BUG-595 决策 3
  assert.doesNotMatch(chat, /之后新建对话即按此时间排盘/);
});

test("family collect spoken stem equals USER_COLLECT_QUESTION.family while probe_year stays dated", () => {
  const plan = buildMethodFollowupPlan({
    evidence: [
      { status: "confirmed", domain: "career", datePrecision: "year", occurredFrom: "2011-01-01", occurredTo: null },
      { status: "confirmed", domain: "relationship", datePrecision: "year", occurredFrom: "2014-01-01", occurredTo: null },
    ],
    evidenceCollectionProbes: [{
      year: 2021,
      year_label: "2021 年前后",
      domain: "family",
      event_family: "家人结婚、添丁或住院",
      source: "age_band",
      tracks: ["vimshottari", "narayana"],
      tracks_agree: false,
      unique_minute_claim: false,
      user_meaning: "时间范围锁定 2021 年前后；领域锁定 family。",
      role: "collect",
      phase: "evidence_collection",
      information_gain: 0,
      semantic_key: "family.2021",
    }],
  });
  assert.equal(plan.next_followup?.domain, "family");
  assert.equal(plan.next_followup?.probe_year, 2021);
  assert.equal(plan.next_followup?.choice_frame, null);
  const spoken = spokenFollowupForUser(plan.next_followup);
  // 旧：口语等于 USER_COLLECT_QUESTION.family
  // 新：第一道逐领域采集题干末尾加一次「想到别的也可以一起说」
  // 原因：BUG-604 只报一件也走既有采集，不插「还有吗」追问轮
  assert.equal(spoken, withFirstDatedCollectInvite(USER_COLLECT_QUESTION.family));
  assert.doesNotMatch(spoken ?? "", /^\d{4} 年前后，/);
});