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

import {
  MAX_RESUMABLE_CASES_PER_USER,
  RECTIFICATION_CASE_STATUSES,
  RECTIFICATION_SKILL_NAME,
  RECTIFICATION_SKILL_VERSION,
  RESUMABLE_CASE_STATUSES,
  TERMINAL_CASE_STATUSES,
  canTransitToTerminal,
  evidenceWritesAllowed,
  isRectificationCaseStatus,
  isResumableStatus,
  isTerminalStatus,
} from "../src/lib/rectification-agentic/v9/case-status.ts";
import {
  BACKGROUND_ONLY_KINDS,
  DISTINCT_KIND_GROUPS,
  EVIDENCE_KINDS,
  canTransitEvidenceStatus,
  isBackgroundEvidenceKind,
  isDatePrecision,
  isEvidenceDomain,
  isEvidenceKind,
  isEvidenceStatus,
  normalizeQuote,
  quoteIsGroundedInMessage,
} from "../src/lib/rectification-agentic/v9/evidence-model.ts";
import {
  PUBLIC_ACTIVITY_EVENTS,
  PUBLIC_RECTIFICATION_PHASES,
  PUBLIC_RECTIFICATION_TOOLS,
  safeActivityEvent,
} from "../src/lib/rectification-agentic/v9/public-receipt.ts";
import {
  openRectificationCaseRequestSchema,
  shouldStartOpening,
} from "../src/lib/rectification-agentic/v9/open-request.ts";

const skillDirectory = fileURLToPath(
  new URL("../../skills/jyotish-birth-time-rectification", import.meta.url),
);
const skill = readFileSync(`${skillDirectory}/SKILL.md`, "utf8");
const references = [
  "evidence-model.md",
  "conversation-strategy.md",
  "candidate-comparison.md",
  "technique-routing.md",
  "truth-consent-boundaries.md",
];

test("v9 case status machine separates resumable from terminal statuses", () => {
  assert.deepEqual([...RESUMABLE_CASE_STATUSES], [
    "draft",
    "collecting_evidence",
    "candidate_ready",
    "candidate_accepted",
    "needs_rebaseline",
    "paused",
  ]);
  assert.deepEqual([...TERMINAL_CASE_STATUSES], [
    "confirmed",
    "closed",
    "abandoned",
    "superseded",
  ]);
  for (const status of RECTIFICATION_CASE_STATUSES) {
    assert.equal(isRectificationCaseStatus(status), true);
    assert.equal(isResumableStatus(status), RESUMABLE_CASE_STATUSES.includes(status));
    assert.equal(isTerminalStatus(status), TERMINAL_CASE_STATUSES.includes(status));
  }
  assert.equal(isRectificationCaseStatus("mystery"), false);
});

test("terminal transitions are one-way and evidence writes stop at terminal", () => {
  assert.equal(canTransitToTerminal("candidate_accepted", "confirmed"), true);
  assert.equal(canTransitToTerminal("collecting_evidence", "closed"), true);
  assert.equal(canTransitToTerminal("confirmed", "closed"), false);
  assert.equal(canTransitToTerminal("closed", "candidate_ready"), false);
  assert.equal(evidenceWritesAllowed("collecting_evidence"), true);
  assert.equal(evidenceWritesAllowed("candidate_accepted"), true);
  assert.equal(evidenceWritesAllowed("needs_rebaseline"), true);
  assert.equal(evidenceWritesAllowed("confirmed"), false);
  assert.equal(evidenceWritesAllowed("closed"), false);
  assert.equal(evidenceWritesAllowed("superseded"), false);
  assert.equal(MAX_RESUMABLE_CASES_PER_USER, 1);
});

test("the active rectification skill pins the v10 identity and lives in the right directory", () => {
  assert.equal(RECTIFICATION_SKILL_NAME, "jyotish-birth-time-rectification");
  assert.equal(RECTIFICATION_SKILL_VERSION, "10.0.0");
  assert.match(skill, /^---\nname: jyotish-birth-time-rectification/m);
  assert.match(skill, /^version: 10\.0\.0$/m);
  for (const reference of references) {
    const content = readFileSync(`${skillDirectory}/references/${reference}`, "utf8");
    assert.ok(content.length > 0, `${reference} must be non-empty`);
  }
  assert.ok(skill.split("\n").length <= 200, "SKILL.md must stay within 200 lines");
});

test("skill keeps the method in the skill, not a hard-coded questionnaire", () => {
  // The skill may only mention the old questionnaire as an explicit
  // prohibition, never as a requirement.
  assert.match(skill, /不再有固定 10[–-]15 个事件/);
  assert.match(skill, /固定 80%\/60% 匹配率/);
  assert.match(skill, /固定 A\/B\/C\/D 问卷/);
  assert.match(skill, /不得伪造出生分钟/);
  assert.match(skill, /日期精度真实保留/);
  assert.match(skill, /candidate[\s\S]*accepted[\s\S]*confirmed/);
});

test("evidence model exposes the full kind/domain/precision/status sets", () => {
  for (const kind of EVIDENCE_KINDS) assert.equal(isEvidenceKind(kind), true);
  assert.equal(isEvidenceKind("career"), false);
  assert.equal(isEvidenceDomain("career"), true);
  assert.equal(isEvidenceDomain("nope"), false);
  for (const precision of ["year", "month", "day", "range", "unknown"]) {
    assert.equal(isDatePrecision(precision), true);
  }
  assert.equal(isDatePrecision("exact_minute"), false);
  for (const status of ["draft", "pending_confirmation", "confirmed", "superseded", "rejected"]) {
    assert.equal(isEvidenceStatus(status), true);
  }
  assert.equal(isEvidenceStatus("collected"), false);
});

test("semantically distinct kinds are never folded together", () => {
  const flat = DISTINCT_KIND_GROUPS.flat();
  assert.ok(flat.includes("career_entry") && flat.includes("career_pressure") && flat.includes("career_exit"));
  assert.ok(flat.includes("relationship_start") && flat.includes("relationship_commitment") && flat.includes("relationship_separation"));
  assert.equal(new Set(flat).size, flat.length);
});

test("only the server confirmation path may produce confirmed evidence", () => {
  assert.equal(canTransitEvidenceStatus("draft", "pending_confirmation"), true);
  assert.equal(canTransitEvidenceStatus("pending_confirmation", "confirmed"), true);
  assert.equal(canTransitEvidenceStatus("confirmed", "superseded"), true);
  assert.equal(canTransitEvidenceStatus("superseded", "confirmed"), false);
  assert.equal(canTransitEvidenceStatus("rejected", "confirmed"), false);
  assert.equal(canTransitEvidenceStatus("draft", "confirmed"), true);
});

test("quote grounding normalizes whitespace and punctuation", () => {
  assert.equal(
    normalizeQuote("2016 年 9 月，我离开家去北京开始工作。"),
    "2016年9月，我离开家去北京开始工作。".replace(/[\s\u3000，。！？、；：“”‘’（）《》·—…]/g, ""),
  );
  assert.equal(quoteIsGroundedInMessage("2016年9月离开家去北京工作", "离开家去北京"), true);
  assert.equal(quoteIsGroundedInMessage("我去了上海", "去了北京"), false);
  assert.equal(quoteIsGroundedInMessage("", "任意"), false);
});

test("family/other are background-only kinds that never advance scoring", () => {
  assert.equal(isBackgroundEvidenceKind("family_event"), true);
  assert.equal(isBackgroundEvidenceKind("other"), true);
  assert.equal(isBackgroundEvidenceKind("career_entry"), false);
  assert.equal(BACKGROUND_ONLY_KINDS.size, 2);
});

test("public receipt allowlists are exact and deny unknown values", () => {
  for (const phase of PUBLIC_RECTIFICATION_PHASES) {
    assert.equal(safeActivityEvent(phase), phase);
  }
  assert.equal(safeActivityEvent("provider.reasoning"), null);
  assert.equal(safeActivityEvent("tool.payload"), null);
  assert.equal(PUBLIC_ACTIVITY_EVENTS.length, PUBLIC_RECTIFICATION_PHASES.length);
  assert.ok(PUBLIC_RECTIFICATION_TOOLS.includes("rectification-read-case"));
  assert.ok(!(PUBLIC_RECTIFICATION_TOOLS as readonly string[]).includes("rectification-scan"));
});

test("open request schemas reject userId, birth data and range from the browser", () => {
  const homepage = openRectificationCaseRequestSchema.safeParse({
    intent: "homepage",
    requestId: "aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee",
  });
  assert.equal(homepage.success, true);
  const withUserId = openRectificationCaseRequestSchema.safeParse({
    intent: "homepage",
    requestId: "aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee",
    userId: "ffffffff-0000-4aaa-9bbb-cccccccccccc",
  });
  assert.equal(withUserId.success, false);
  const withBirthData = openRectificationCaseRequestSchema.safeParse({
    intent: "homepage",
    requestId: "aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee",
    birth_date: "1997-08-08",
  });
  assert.equal(withBirthData.success, false);
  const withRange = openRectificationCaseRequestSchema.safeParse({
    intent: "homepage",
    requestId: "aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee",
    candidate_range: { start_time: "04:00", end_time: "06:00" },
  });
  assert.equal(withRange.success, false);
  const supersedeTrue = openRectificationCaseRequestSchema.safeParse({
    intent: "new",
    requestId: "aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee",
    supersedeActive: true,
  });
  assert.equal(supersedeTrue.success, false);
});

test("shouldStartOpening is server-owned: only freshly created never-started cases", () => {
  assert.equal(shouldStartOpening("created", 0), true);
  assert.equal(shouldStartOpening("created", 1), false);
  assert.equal(shouldStartOpening("resumed", 0), false);
  assert.equal(shouldStartOpening("resumed", 5), false);
  assert.equal(shouldStartOpening("readonly", 0), false);
});