import { INestApplication } from "@nestjs/common";
import { afterAll, beforeAll, describe, expect, it, vi } from "vitest";
import { agent, bearer, closeTestApp, createTestApp, loginSuperAdmin, qaName, type AuthedTokens } from "./setup.js";

/**
 * `renderPdf` is mocked (real call path through quotes.service.ts still
 * runs) — what's under test is the ANATEL/RGC annex's computed content
 * (anatel-offer-template.ts), not Chromium itself (covered by the
 * documents-pdf.spec.ts suite + the manual smoke test in progress.md).
 * Business-critical regulatory content: this asserts the actual HTML
 * handed to the renderer contains the right computed fields, not just
 * that the endpoint returns 200.
 */
const renderPdfMock = vi.fn(async (_input: { html: string }) => Buffer.from("%PDF-1.4 fake anatel pdf"));
vi.mock("@eden/integrations", () => ({
  renderPdf: (input: { html: string }) => renderPdfMock(input),
}));

describe("quotes — anexo de conformidade ANATEL/RGC", () => {
  let app: INestApplication;
  let admin: AuthedTokens;
  let resellerId: string;
  let stfcProductId: string;
  let pabxProductId: string;
  let productTypeId: string;
  let unitId: string;

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

    const reseller = await agent(app)
      .post("/api/v1/resellers")
      .set(...bearer(admin.accessToken))
      .send({ name: "qa-test- Revenda ANATEL" })
      .expect(201);
    resellerId = reseller.body.id;

    const productType = await agent(app)
      .post("/api/v1/products/types")
      .set(...bearer(admin.accessToken))
      .send({ name: qaName("Tipo ANATEL") })
      .expect(201);
    productTypeId = productType.body.id;

    const unit = await agent(app)
      .post("/api/v1/products/units")
      .set(...bearer(admin.accessToken))
      .send({ name: qaName("Unidade ANATEL") })
      .expect(201);
    unitId = unit.body.id;

    const stfcProduct = await agent(app)
      .post("/api/v1/products")
      .set(...bearer(admin.accessToken))
      .send({
        name: "qa-test- Linha STFC",
        productTypeId,
        unitId,
        price0: 200,
        price12: 150,
        serviceType: "STFC",
        metered: true,
        minutesAllowance: 100,
        hasLdi: true,
        tariffRates: {
          LC: { normal: 0.1, reduced: 0.1 },
          LDN: { normal: 0.2, reduced: 0.2 },
          VC1: { normal: 0.15, reduced: 0.15 },
          VC2: { normal: 0.25, reduced: 0.25 },
          VC3: { normal: 0.3, reduced: 0.3 },
          LDI: { normal: 1.5, reduced: 1.5 },
        },
      })
      .expect(201);
    stfcProductId = stfcProduct.body.id;
    expect(stfcProduct.body.service_type).toBe("STFC");
    expect(stfcProduct.body.tariff_rates.LC).toEqual({ normal: 0.1, reduced: 0.1 });

    const pabxProduct = await agent(app)
      .post("/api/v1/products")
      .set(...bearer(admin.accessToken))
      .send({ name: "qa-test- Ramal PABX", productTypeId, unitId, price0: 50, serviceType: "Serviço PABX" })
      .expect(201);
    pabxProductId = pabxProduct.body.id;
  });

  afterAll(async () => {
    await agent(app)
      .patch(`/api/v1/products/${stfcProductId}`)
      .set(...bearer(admin.accessToken))
      .send({ active: false })
      .expect(200);
    await agent(app)
      .patch(`/api/v1/products/${pabxProductId}`)
      .set(...bearer(admin.accessToken))
      .send({ active: false })
      .expect(200);
    await agent(app)
      .patch(`/api/v1/resellers/${resellerId}`)
      .set(...bearer(admin.accessToken))
      .send({ active: false })
      .expect(200);
    await closeTestApp(app);
  });

  it("snapshots service_type/metered/tariffRates onto the quote item at creation", async () => {
    const quote = await agent(app)
      .post("/api/v1/quotes")
      .set(...bearer(admin.accessToken))
      .send({
        resellerId,
        clientName: "qa-test Cliente ANATEL",
        clientPhone: "11999998888",
        contractPeriod: 12,
        items: [{ productId: stfcProductId, quantity: 2 }],
        salesRepName: "qa-test Vendedor",
      })
      .expect(201);

    const item = quote.body.items[0];
    expect(item.serviceType).toBe("STFC");
    expect(item.metered).toBe(true);
    expect(item.hasLdi).toBe(true);
    expect(item.tariffRates.LC).toEqual({ normal: 0.1, reduced: 0.1 });
    expect(item.minutesAllowance).toBe(100);
  });

  it("renders the RGC annex with the right computed fields for an STFC quote", async () => {
    renderPdfMock.mockClear();

    const quote = await agent(app)
      .post("/api/v1/quotes")
      .set(...bearer(admin.accessToken))
      .send({
        resellerId,
        clientName: "qa-test Cliente ANATEL 2",
        clientPhone: "11999998888",
        contractPeriod: 12,
        items: [{ productId: stfcProductId, quantity: 1 }],
        salesRepName: "qa-test Vendedor",
      })
      .expect(201);

    const download = await agent(app)
      .get(`/api/v1/quotes/${quote.body.id}/anatel-pdf`)
      .set(...bearer(admin.accessToken))
      .expect(200);

    expect(download.headers["content-type"]).toBe("application/pdf");
    expect(renderPdfMock).toHaveBeenCalledTimes(1);
    const html = renderPdfMock.mock.calls[0]![0].html;

    // Legal-basis section only renders because the quote has an STFC item.
    expect(html).toContain("Conformidade RGC — Resolução Anatel nº 765/2023");
    expect(html).toContain("Prazo de Comercialização");
    expect(html).toContain(quote.body.quote_number);
    expect(html).toContain("qa-test Cliente ANATEL 2");
    expect(html).toContain("qa-test Vendedor");
    // Tariff section, since the item is metered.
    expect(html).toContain("TABELA DE TARIFAÇÃO");
    expect(html).toContain("LDI");
    expect(html).toContain("A tecnologia utilizada para entrega das chamadas do serviço STFC ofertado é VoIP.");
    // Fixed regulatory fields.
    expect(html).toContain("Pós-paga");
    expect(html).toContain("Nacional");
    expect(html).toContain("Intervalo mínimo de 12 meses");
  });

  it("rejects (400) a quote with no STFC item", async () => {
    const quote = await agent(app)
      .post("/api/v1/quotes")
      .set(...bearer(admin.accessToken))
      .send({
        resellerId,
        clientName: "qa-test Cliente Sem STFC",
        clientPhone: "11999998888",
        contractPeriod: 0,
        items: [{ productId: pabxProductId, quantity: 1 }],
      })
      .expect(201);

    const res = await agent(app)
      .get(`/api/v1/quotes/${quote.body.id}/anatel-pdf`)
      .set(...bearer(admin.accessToken))
      .expect(400);
    expect(res.body.message).toContain("STFC");
  });
});