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

import {
  deliveryNarrationAllowed,
} from "../src/lib/rectification-agentic/core/rectification-decision.ts";
import {
  USER_COLLECT_QUESTION,
  USER_COLLECT_QUESTION_RETRY,
} from "../src/lib/rectification-agentic/user-copy.ts";
import { persistNextInterviewIfIdle } from "../src/lib/rectification-agentic/v9/answer-choice.ts";
import { exhaustionSpokenCollectFollowup } from "../src/lib/rectification-agentic/v9/method-followup.ts";
import {
  COLLECT_FOCUS_RETRY_SUFFIXES,
  collectFocusRetryQuestionIds,
  persistServerOwnedFocus,
  stableFollowupQuestionId,
} from "../src/lib/rectification-agentic/v9/server-focus.ts";
import { evidenceLedgerFingerprint } from "../src/lib/rectification-agentic/v9/tool-service.ts";
import {
  CASE_ID,
  TURN_ID,
  USER_ID,
  candidateSnapshotFixture,
  computeFixture,
  dossierFixture,
  fakeAccounting,
  receiptHandlers,
} from "./rectification-v9-test-support.ts";
import type { MethodFollowup } from "../src/lib/rectification-agentic/v9/method-followup.ts";

const BASE_QUESTION = "collect:relationship:collect_method_evidence";

function collectFollowup(overrides: Partial<MethodFollowup> = {}): MethodFollowup {
  return {
    method_id: "dasha_events",
    intent: "collect_method_evidence",
    ask_theme: "dated_event",
    domain: "relationship",
    kind_hint: null,
    user_prompt_hint: "collect",
    must_not_label: false,
    choice_frame: null,
    source: "method_coverage",
    ...overrides,
  };
}

function focusRowFromArgs(args: Record<string, unknown>) {
  return {
    id: "abababab-abab-4bab-8bab-abababababab",
    case_id: CASE_ID,
    question_id: args.p_question_id,
    intent: args.p_intent,
    target_evidence_id: args.p_target_evidence_id,
    target_domain: args.p_target_domain,
    target_kind: args.p_target_kind,
    expected_answer_schema: args.p_expected_answer_schema,
    status: "active",
    asked_at: "2026-09-10T00:00:00.000Z",
    resolved_at: null,
    idempotent: false,
  };
}

function datedEvidence() {
  return [
    { id: "e-edu", status: "confirmed", domain: "education", datePrecision: "month", occurredFrom: "2016-09-01", occurredTo: null, eventKind: "education_start" },
    { id: "e-career", status: "confirmed", domain: "career", datePrecision: "month", occurredFrom: "2018-04-01", occurredTo: null, eventKind: "career_entry" },
    { id: "e-fam", status: "confirmed", domain: "family", datePrecision: "month", occurredFrom: "2023-03-01", occurredTo: null, eventKind: "family_event" },
    { id: "e-fin", status: "confirmed", domain: "finance", datePrecision: "month", occurredFrom: "2024-08-01", occurredTo: null, eventKind: "income_change" },
    { id: "e-reloc", status: "confirmed", domain: "relocation", datePrecision: "month", occurredFrom: "2022-06-01", occurredTo: null, eventKind: "relocation" },
    { id: "e-health", status: "confirmed", domain: "health_pressure", datePrecision: "month", occurredFrom: "2021-11-01", occurredTo: null, eventKind: "health_episode" },
    { id: "e-occ", status: "confirmed", domain: "occupation", datePrecision: "unknown", occurredFrom: null, occurredTo: null, eventKind: "occupation_note" },
  ] as const;
}

function rpcEvidence(item: ReturnType<typeof datedEvidence>[number]) {
  return {
    id: item.id,
    source_turn_id: TURN_ID,
    subject: "self",
    event_kind: item.eventKind,
    domain: item.domain,
    occurred_from: item.occurredFrom,
    occurred_to: item.occurredTo,
    date_precision: item.datePrecision,
    summary: item.domain,
    status: item.status,
    supersedes_evidence_id: null,
    created_at: "2026-09-10T00:00:00.000Z",
  };
}

function relationshipOpenDossier() {
  const ledger = datedEvidence();
  const evidence = ledger.map((item) => rpcEvidence(item));
  return dossierFixture({
    evidence,
    evidenceCount: evidence.length,
    latestResult: candidateSnapshotFixture({
      selectionAllowed: true,
      representativeTime: "04:51",
      evidenceLedgerFingerprint: evidenceLedgerFingerprint(ledger as never),
      decisionReceipt: {
        acceptance_allowed: true,
        selection_allowed: true,
        propose_allowed: true,
      },
    }),
    conversationSummary: {
      confirmed_evidence_summary: [],
      pending_revisions: [],
      active_focus: null,
      declined_skipped_topics: [],
      candidate_divergence_summary: null,
      missing_evidence_categories: [],
      last_result_policy: null,
      summary_version: 1,
      updated_at: "2026-09-10T00:00:00.000Z",
    },
  });
}

test("collect focus retries next then next2 then next3 before duplicate_focus", async () => {
  assert.deepEqual(COLLECT_FOCUS_RETRY_SUFFIXES, ["next", "next2", "next3"]);
  assert.deepEqual(
    collectFocusRetryQuestionIds(BASE_QUESTION),
    [`${BASE_QUESTION}:next`, `${BASE_QUESTION}:next2`, `${BASE_QUESTION}:next3`],
  );
  const blocked = new Set([BASE_QUESTION, `${BASE_QUESTION}:next`, `${BASE_QUESTION}:next2`]);
  let writes = 0;
  const accounting = fakeAccounting({
    set_agentic_rectification_conversation_focus: (_fn, args) => {
      writes += 1;
      const id = String(args.p_question_id);
      if (blocked.has(id)) throw new Error("agentic_rectification_focus_idempotency_conflict");
      return focusRowFromArgs(args);
    },
  });
  const persisted = await persistServerOwnedFocus({
    accounting: accounting.client,
    userId: USER_ID,
    caseId: CASE_ID,
    activeFocus: null,
    decisionReceipt: null,
    followup: collectFollowup(),
  });
  assert.equal(persisted.status, "created");
  assert.equal(writes, 4);
  assert.equal(persisted.questionId, `${BASE_QUESTION}:next3`);
  assert.equal(persisted.prompt, USER_COLLECT_QUESTION.relationship);
});

test("collect focus four collisions return duplicate_focus", async () => {
  let writes = 0;
  const accounting = fakeAccounting({
    set_agentic_rectification_conversation_focus: () => {
      writes += 1;
      throw new Error("agentic_rectification_focus_idempotency_conflict");
    },
  });
  const persisted = await persistServerOwnedFocus({
    accounting: accounting.client,
    userId: USER_ID,
    caseId: CASE_ID,
    activeFocus: null,
    decisionReceipt: null,
    followup: collectFollowup(),
  });
  assert.equal(persisted.status, "duplicate_focus");
  assert.equal(writes, 4);
  assert.equal(persisted.questionId, `${BASE_QUESTION}:next3`);
});

test("collect_retry only changes copy, not whether a suffix is tried", async () => {
  const accounting = fakeAccounting({
    set_agentic_rectification_conversation_focus: (_fn, args) => {
      if (args.p_question_id === BASE_QUESTION) {
        throw new Error("agentic_rectification_focus_idempotency_conflict");
      }
      return focusRowFromArgs(args);
    },
  });
  const persisted = await persistServerOwnedFocus({
    accounting: accounting.client,
    userId: USER_ID,
    caseId: CASE_ID,
    activeFocus: null,
    decisionReceipt: null,
    followup: collectFollowup({ collect_retry: true }),
  });
  assert.equal(persisted.status, "created");
  assert.equal(persisted.questionId, `${BASE_QUESTION}:next`);
  assert.equal(persisted.prompt, USER_COLLECT_QUESTION_RETRY.relationship);
});

test("probe question ids do not receive collect suffixes", () => {
  const followup: MethodFollowup = {
    method_id: "dasha_events",
    intent: "distinguish_candidates",
    ask_theme: "dated_event",
    domain: "education",
    kind_hint: null,
    user_prompt_hint: "ask",
    must_not_label: false,
    choice_frame: null,
    source: "event_probe",
    semantic_key: "education:2016",
    candidate_split_hash: "education:2016",
  };
  const questionId = stableFollowupQuestionId(followup);
  assert.match(questionId, /^probe:/);
  assert.equal(questionId.includes(":next"), false);
});

test("deliveryNarrationAllowed requires public can_adopt or a selectable range offer", () => {
  assert.equal(deliveryNarrationAllowed({
    canAdopt: true,
    sessionOutcome: "collect_evidence",
    nextAction: "ask_fact_collection",
    selectionAllowed: true,
  }), false);
  assert.equal(deliveryNarrationAllowed({
    canAdopt: true,
    sessionOutcome: "adopt_representative",
    nextAction: "ready_to_adopt",
    selectionAllowed: true,
  }), true);
  assert.equal(deliveryNarrationAllowed({
    canAdopt: false,
    sessionOutcome: "provisional_range",
    nextAction: "offer_provisional_range",
    selectionAllowed: true,
  }), true);
  assert.equal(deliveryNarrationAllowed({
    canAdopt: false,
    sessionOutcome: "collect_evidence",
    nextAction: "offer_provisional_range",
    selectionAllowed: false,
  }), false);
});

test("duplicate_focus on the last collect ask does not emit delivery copy", async () => {
  const raw = relationshipOpenDossier();
  const remaining = exhaustionSpokenCollectFollowup({
    evidence: datedEvidence(),
    declinedTopics: [],
  });
  // 原值: leftover 感情采集
  // 新值: 训练门开后 leftover dated collect 为 null
  // 原因: BUG-648
  assert.equal(remaining, null);

  const accounting = fakeAccounting({
    ...receiptHandlers,
    get_agentic_rectification_case_dossier: () => raw,
    get_agentic_rectification_case_compute: () => computeFixture(),
    append_agentic_rectification_turn: () => ({ turn_id: TURN_ID, idempotent: false }),
    set_agentic_rectification_conversation_focus: (_fn, args) => ({
      focus: {
        id: "11111111-1111-4111-8111-111111111111",
        case_id: CASE_ID,
        question_id: args.p_question_id,
        intent: args.p_intent,
        target_domain: args.p_target_domain,
        target_kind: args.p_target_kind,
        expected_answer_schema: args.p_expected_answer_schema,
        status: "active",
        asked_at: "2026-09-10T00:00:00.000Z",
        resolved_at: null,
      },
      idempotent: false,
    }),
  });
  const idle = await persistNextInterviewIfIdle({
    accounting: accounting.client,
    userId: USER_ID,
    caseId: CASE_ID,
  });
  assert.doesNotMatch(idle.hostNarration ?? "", /领域不限|做不了|材料不够/);
  const setFocus = accounting.calls.find((call) => call.fn === "set_agentic_rectification_conversation_focus");
  assert.notEqual(setFocus?.args.p_target_domain, "relationship");
  assert.notEqual(setFocus?.args.p_target_domain, "finance");
});

test("delivery copy is gated at the three persist sites", () => {
  const answer = readFileSync(new URL("../src/lib/rectification-agentic/v9/answer-choice.ts", import.meta.url), "utf8");
  const route = readFileSync(new URL("../src/app/api/rectification/agent/route.ts", import.meta.url), "utf8");
  const decision = readFileSync(
    new URL("../src/lib/rectification-agentic/core/rectification-decision.ts", import.meta.url),
    "utf8",
  );
  assert.match(decision, /export function deliveryNarrationAllowed/);
  assert.match(answer, /deliveryNarrationAllowed\(decision, nextAction\.type\)/);
  assert.match(answer, /deliveryNarrationAllowed\(decision, decision\.nextAction\)/);
  assert.doesNotMatch(answer, /this ask is already closed; fall through to adopt/);
  assert.match(route, /deliveryNarrationAllowed\(decision, decision\.nextAction\)/);
});