import { describe, expect, it } from "vitest";
import { createAssistantBoundaryPolicy } from "../src/services/assistantBoundaryPolicy";

function createPolicy() {
  return createAssistantBoundaryPolicy({
    activeMcpChannel: "default",
    normalizeOrganizationScopeValue: (value: unknown) => {
      if (value === null || value === undefined) {
        return null;
      }
      const text = String(value ?? "").trim();
      return text.length > 0 ? text : null;
    },
    toNonEmptyString: (value: unknown) => {
      if (value === null || value === undefined) {
        return null;
      }
      const text = String(value ?? "").trim();
      return text.length > 0 ? text : null;
    },
    hasOrganizationFactLookupSignal: (message: string) => /возраст|дата регистрации/i.test(message)
  });
}

describe("assistantBoundaryPolicy", () => {
  it("builds deterministic data-scope reply for single organization", () => {
    const policy = createPolicy();

    const reply = policy.buildAssistantDataScopeContractReply({
      status: "resolved",
      channel: "finance",
      organizations: ["ООО Альтернатива Плюс"]
    });

    expect(reply).toContain("MCP-канале `finance`");
    expect(reply).toContain("ООО Альтернатива Плюс");
    expect(reply.toLowerCase()).toContain("read-only");
  });

  it("strips unexpected CJK fragments from live chat reply", () => {
    const policy = createPolicy();

    const guarded = policy.applyLivingChatScriptGuard(
      "Прошу прощения, но я не могу продолжать этот разговор. 随时关注。",
      "че как"
    );

    expect(guarded.applied).toBe(true);
    expect(guarded.reason).toBe("unexpected_cjk_fragment_stripped");
    expect(guarded.text).toContain("Прошу прощения");
    expect(/[\u3400-\u9FFF\uF900-\uFAFF]/u.test(guarded.text)).toBe(false);
  });

  it("blocks ungrounded organization fact answer with deterministic boundary reply", () => {
    const policy = createPolicy();

    const guarded = policy.applyLivingChatGroundingGuard({
      userMessage: "какой возраст у альтернативы?",
      chatText: "Для ООО Альтернатива Плюс дата регистрации 01.07.2015, возраст 8 лет.",
      organization: "ООО Альтернатива Плюс"
    });

    expect(guarded.applied).toBe(true);
    expect(guarded.reason).toBe("organization_fact_without_live_source_blocked");
    expect(guarded.text.toLowerCase()).toContain("не буду называть");
    expect(guarded.text).not.toContain("01.07.2015");
  });
});