import assert from "node:assert/strict";
import test from "node:test";

import {
  entrySummaryFromResponse,
  isResumableRectificationStatus,
  isTerminalRectificationStatus,
  openRectificationRequestBody,
  openResponseFromPayload,
  rectificationEntryLabels,
  resolveRectificationEntryAction,
} from "../src/lib/rectification-entry.ts";
import {
  openRectificationCaseRequestSchema,
  shouldStartOpening,
} from "../src/lib/rectification-agentic/v9/open-request.ts";
import {
  mapRectificationRpcError,
  openRectificationCase,
  RectificationCaseServiceError,
} from "../src/lib/rectification-agentic/v9/case-service.ts";
import {
  CASE_ID,
  SESSION_ID,
  fakeAccounting,
  type FakeRpcHandler,
} from "./rectification-v9-test-support.ts";

const uuid = "aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee";

test("homepage entry requests a new case and shows 开始新的生时校正", () => {
  const body = openRectificationRequestBody("homepage", null);
  assert.equal(body.intent, "homepage");
  assert.ok(typeof body.requestId === "string" && body.requestId.length > 0);
  assert.equal("sessionId" in body, false);

  const summary = entrySummaryFromResponse({
    has_resumable_case: false,
    has_terminal_case_with_time: false,
    latest_resumable: null,
    latest_terminal: null,
  });
  assert.equal(resolveRectificationEntryAction(summary), "start");
  assert.equal(rectificationEntryLabels.start, "开始新的生时校正");
});

test("homepage entry with a resumable case still offers a separate new correction", () => {
  const summary = entrySummaryFromResponse({
    has_resumable_case: true,
    has_terminal_case_with_time: false,
    latest_resumable: {
      case_id: CASE_ID,
      status: "collecting_evidence",
      last_activity_at: "2026-08-12T10:00:00.000Z",
    },
    latest_terminal: null,
  });
  assert.equal(resolveRectificationEntryAction(summary), "start");
  assert.equal(rectificationEntryLabels.start, "开始新的生时校正");

  const opened = openResponseFromPayload({
    disposition: "created",
    caseId: CASE_ID,
    sessionId: SESSION_ID,
    status: "draft",
    shouldStartOpening: true,
    skillVersion: "10.0.0",
  });
  assert.equal(opened?.disposition, "created");
  assert.equal(opened?.shouldStartOpening, true);
  assert.equal(opened?.caseId, CASE_ID);
  assert.equal(opened?.sessionId, SESSION_ID);
});

test("homepage entry with only a terminal case shows 再次校正 and creates a new case", () => {
  const summary = entrySummaryFromResponse({
    has_resumable_case: false,
    has_terminal_case_with_time: true,
    latest_resumable: null,
    latest_terminal: {
      case_id: CASE_ID,
      status: "confirmed",
      has_usable_time: true,
    },
  });
  assert.equal(resolveRectificationEntryAction(summary), "restart");
  assert.equal(rectificationEntryLabels.restart, "再次校正");
});

test("legacy completed sessions never derive 继续上次 from the session list", () => {
  // The CTA must be driven by the server entry summary, not by scanning
  // sessionType in the client session list.
  const summary = entrySummaryFromResponse({
    has_resumable_case: false,
    has_terminal_case_with_time: false,
    latest_resumable: null,
    latest_terminal: null,
  });
  assert.equal(resolveRectificationEntryAction(summary), "start");
  assert.notEqual(rectificationEntryLabels.start, "继续上次校正");
});

test("sidebar click passes the exact sessionId and opens exactly that session", () => {
  const body = openRectificationRequestBody("session", SESSION_ID);
  assert.equal(body.intent, "session");
  assert.equal(body.sessionId, SESSION_ID);
});

test("sidebar click on a terminal session opens read-only history", () => {
  const opened = openResponseFromPayload({
    disposition: "readonly",
    caseId: CASE_ID,
    sessionId: SESSION_ID,
    status: "confirmed",
    shouldStartOpening: false,
    skillVersion: "9.0.0",
  });
  assert.equal(opened?.disposition, "readonly");
  assert.equal(isTerminalRectificationStatus(opened?.status ?? ""), true);
  assert.equal(isResumableRectificationStatus(opened?.status ?? ""), false);
  assert.equal(opened?.shouldStartOpening, false);
});

test("double-click sends an idempotency key and never business state", () => {
  const first = openRectificationRequestBody("homepage", null);
  const second = openRectificationRequestBody("homepage", null);
  // Both requests carry a requestId; the server serializes on the user and
  // dedupes via the open ledger. No caseId/birth data/range is ever sent.
  assert.ok(first.requestId);
  assert.ok(second.requestId);
  for (const body of [first, second]) {
    assert.equal("caseId" in body, false);
    assert.equal("birth_date" in body, false);
    assert.equal("candidate_range" in body, false);
    assert.equal("userId" in body, false);
  }
});

test("two tabs produce distinct request ids; the open schema stays minimal", () => {
  const tabA = openRectificationRequestBody("homepage", null);
  const tabB = openRectificationRequestBody("homepage", null);
  assert.notEqual(tabA.requestId, tabB.requestId);
  for (const parsed of [tabA, tabB]) {
    const result = openRectificationCaseRequestSchema.safeParse(parsed);
    assert.equal(result.success, true);
  }
});

test("non-owner sessionId maps to a 404 business error, never a leak", () => {
  const view = mapRectificationRpcError(
    new Error("agentic_rectification_session_not_found"),
  );
  assert.equal(view.status, 404);
  assert.equal(view.code, "case_session_not_found");
});

test("profile incomplete prevents case creation with an explicit business error", async () => {
  const accounting = fakeAccounting({});
  // loadV9RectificationProfile throws profile_incomplete before the open RPC
  // runs when the profile row is missing required fields.
  const profileClient = {
    ...accounting.client,
    from: () => ({
      select: () => ({
        eq: () => ({
          single: async () => ({ data: { birth_date: null, latitude: null }, error: null }),
        }),
      }),
    }),
  } as never;
  await assert.rejects(
    openRectificationCase(profileClient, "user-1", {
      intent: "homepage",
      requestId: uuid,
    }),
    (error: unknown) => error instanceof RectificationCaseServiceError && error.code === "profile_incomplete",
  );
});

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("readonly", 3), false);
});

test("empty client message cache never repeats opening when the case has turns", () => {
  // The client messages array may be empty after refresh, but exact-session
  // recovery stays resumed: shouldStartOpening is false, so the opening turn
  // is not re-emitted.
  const opened = openResponseFromPayload({
    disposition: "resumed",
    caseId: CASE_ID,
    sessionId: SESSION_ID,
    status: "collecting_evidence",
    shouldStartOpening: false,
    skillVersion: "9.0.0",
  });
  assert.equal(opened?.disposition, "resumed");
  assert.equal(opened?.shouldStartOpening, false);
});

test("open RPC passes the pinned skill and server-derived baseline only", async () => {
  const rpc: FakeRpcHandler = (fn) => {
    if (fn === "open_agentic_rectification_case_v2") {
      return {
        disposition: "created",
        case_id: CASE_ID,
        session_id: SESSION_ID,
        status: "draft",
        should_start_opening: true,
        skill_version: "10.0.10",
      };
    }
    return null;
  };
  const profile = {
    birth_date: "1997-08-08",
    birth_place_label: "河北省邯郸市",
    reported_birth_time: "05:00",
    active_birth_time: null,
    birth_time_source: "family_exact",
    birth_time_period: null,
    uncertainty_before_minutes: 10,
    uncertainty_after_minutes: 10,
    latitude: 36.420487,
    longitude: 114.209936,
    timezone_id: "Asia/Shanghai",
    timezone_offset: 8,
  };
  const accounting = fakeAccounting({
    open_agentic_rectification_case_v2: rpc,
  });
  const profileClient = {
    ...accounting.client,
    from: () => ({
      select: () => ({
        eq: () => ({
          single: async () => ({ data: profile, error: null }),
        }),
      }),
    }),
  } as never;
  const response = await openRectificationCase(profileClient, "user-1", {
    intent: "homepage",
    requestId: uuid,
  });
  assert.equal(response.disposition, "created");
  assert.equal(response.shouldStartOpening, true);
  assert.equal(response.skillVersion, "10.0.10");
  const openCall = accounting.calls.find((call) => call.fn === "open_agentic_rectification_case_v2");
  assert.ok(openCall);
  assert.equal(openCall.args.p_skill_name, "jyotish-birth-time-rectification");
  assert.equal(openCall.args.p_skill_version, "10.0.10");
  assert.equal(openCall.args.p_user_id, "user-1");
  // The server derives the baseline; the request never carries it from the browser.
  assert.equal("birth_date" in openCall.args, false);
});