import { randomUUID } from "node:crypto";
import { INestApplication } from "@nestjs/common";
import { afterAll, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
import { agent, bearer, closeTestApp, createTestApp, loginSuperAdmin, type AuthedTokens } from "./setup.js";
import type { CnpjLookupResult } from "@eden/integrations";

/**
 * POST /v1/client-registrations/:id/cnpj-lookup — the whole test suite
 * mocks `lookupCnpj` (network calls to cnpj.ws/BrasilAPI are NOT allowed
 * in this suite; a real call against the internet is done manually, once,
 * outside of vitest — see the task notes).
 */
const lookupCnpjMock = vi.fn<(cnpj: string) => Promise<CnpjLookupResult | null>>();

vi.mock("@eden/integrations", async () => {
  const actual = await vi.importActual<typeof import("@eden/integrations")>("@eden/integrations");
  return {
    ...actual,
    lookupCnpj: (cnpj: string) => lookupCnpjMock(cnpj),
  };
});

const FOUND_RESULT: CnpjLookupResult = {
  companyName: "qa-test- Empresa Lookup LTDA",
  tradeName: "qa-test- Lookup",
  openingDate: "2010-05-04",
  legalNature: "Sociedade Empresária Limitada",
  cnpjSituation: "ATIVA",
  mainActivity: "Desenvolvimento de programas de computador sob encomenda",
  address: {
    zip: "01310-100",
    street: "Av. Paulista",
    number: "1000",
    complement: "Sala 10",
    neighborhood: "Bela Vista",
    city: "São Paulo",
    state: "SP",
  },
  stateRegistration: "123.456.789.110",
  partners: [
    { name: "Fulano de Tal", document: "***123456**", qualification: "Sócio-Administrador" },
    { name: "Beltrano da Silva", document: "***654321**", qualification: "Sócio" },
  ],
};

describe("client-registrations — CNPJ lookup autofill", () => {
  let app: INestApplication;
  let admin: AuthedTokens;

  beforeAll(async () => {
    app = await createTestApp();
    admin = await loginSuperAdmin(app);
  });

  beforeEach(() => {
    lookupCnpjMock.mockReset();
  });

  afterAll(async () => {
    await closeTestApp(app);
  });

  async function createDirectRegistration(personType: "pf" | "pj") {
    const res = await agent(app)
      .post("/api/v1/client-registrations/direct")
      .set(...bearer(admin.accessToken))
      .send({ personType, isPortability: false })
      .expect(201);
    return res.body.id as string;
  }

  it("applies company data and creates partners when the CNPJ is found", async () => {
    lookupCnpjMock.mockResolvedValue(FOUND_RESULT);
    const id = await createDirectRegistration("pj");

    const res = await agent(app)
      .post(`/api/v1/client-registrations/${id}/cnpj-lookup`)
      .set(...bearer(admin.accessToken))
      .send({ cnpj: "11.222.333/0001-81" })
      .expect(201);

    expect(lookupCnpjMock).toHaveBeenCalledWith("11.222.333/0001-81");
    expect(res.body.registration.pj_cnpj).toBe("11222333000181");
    expect(res.body.registration.pj_company_name).toBe(FOUND_RESULT.companyName);
    expect(res.body.registration.pj_trade_name).toBe(FOUND_RESULT.tradeName);
    expect(res.body.registration.pj_state_registration).toBe(FOUND_RESULT.stateRegistration);
    expect(res.body.registration.pj_legal_nature).toBe(FOUND_RESULT.legalNature);
    expect(res.body.registration.pj_cnpj_situation).toBe(FOUND_RESULT.cnpjSituation);
    expect(res.body.registration.pj_main_activity).toBe(FOUND_RESULT.mainActivity);
    expect(res.body.registration.address_zip).toBe(FOUND_RESULT.address.zip);
    expect(res.body.registration.address_street).toBe(FOUND_RESULT.address.street);
    expect(res.body.registration.address_city).toBe(FOUND_RESULT.address.city);
    expect(res.body.registration.address_state).toBe(FOUND_RESULT.address.state);
    expect(res.body.partners).toHaveLength(2);
    expect(res.body.partners.map((p: { name: string }) => p.name).sort()).toEqual(
      ["Beltrano da Silva", "Fulano de Tal"].sort(),
    );
    expect(res.body.partners.every((p: { source: string }) => p.source === "cnpj_lookup")).toBe(true);
    expect(res.body.partners.every((p: { will_sign: boolean }) => p.will_sign === false)).toBe(true);

    const getRes = await agent(app)
      .get(`/api/v1/client-registrations/${id}`)
      .set(...bearer(admin.accessToken))
      .expect(200);
    expect(getRes.body.pj_cnpj).toBe("11222333000181");

    const partnersRes = await agent(app)
      .get(`/api/v1/client-registrations/${id}/partners`)
      .set(...bearer(admin.accessToken))
      .expect(200);
    expect(partnersRes.body).toHaveLength(2);
  });

  it("running the lookup twice does not duplicate partners (dedup by document)", async () => {
    lookupCnpjMock.mockResolvedValue(FOUND_RESULT);
    const id = await createDirectRegistration("pj");

    await agent(app)
      .post(`/api/v1/client-registrations/${id}/cnpj-lookup`)
      .set(...bearer(admin.accessToken))
      .send({ cnpj: "11222333000181" })
      .expect(201);

    const second = await agent(app)
      .post(`/api/v1/client-registrations/${id}/cnpj-lookup`)
      .set(...bearer(admin.accessToken))
      .send({ cnpj: "11222333000181" })
      .expect(201);

    expect(second.body.partners).toHaveLength(2);

    const partnersRes = await agent(app)
      .get(`/api/v1/client-registrations/${id}/partners`)
      .set(...bearer(admin.accessToken))
      .expect(200);
    expect(partnersRes.body).toHaveLength(2);
  });

  it("returns 404 and applies no changes when the CNPJ is not found in either source", async () => {
    lookupCnpjMock.mockResolvedValue(null);
    const id = await createDirectRegistration("pj");

    await agent(app)
      .post(`/api/v1/client-registrations/${id}/cnpj-lookup`)
      .set(...bearer(admin.accessToken))
      .send({ cnpj: "99999999000199" })
      .expect(404);

    const getRes = await agent(app)
      .get(`/api/v1/client-registrations/${id}`)
      .set(...bearer(admin.accessToken))
      .expect(200);
    expect(getRes.body.pj_cnpj).toBeNull();
    expect(getRes.body.pj_company_name).toBeNull();

    const partnersRes = await agent(app)
      .get(`/api/v1/client-registrations/${id}/partners`)
      .set(...bearer(admin.accessToken))
      .expect(200);
    expect(partnersRes.body).toHaveLength(0);
  });

  it("rejects CNPJ lookup for a PF registration with 400", async () => {
    const id = await createDirectRegistration("pf");

    const res = await agent(app)
      .post(`/api/v1/client-registrations/${id}/cnpj-lookup`)
      .set(...bearer(admin.accessToken))
      .send({ cnpj: "11222333000181" })
      .expect(400);
    expect(res.body.message).toMatch(/pessoa jurídica/i);
    expect(lookupCnpjMock).not.toHaveBeenCalled();
  });

  it("returns 404 for a client registration id that doesn't exist", async () => {
    await agent(app)
      .post(`/api/v1/client-registrations/${randomUUID()}/cnpj-lookup`)
      .set(...bearer(admin.accessToken))
      .send({ cnpj: "11222333000181" })
      .expect(404);
    expect(lookupCnpjMock).not.toHaveBeenCalled();
  });
});