import { servicePages } from "./site-content";
import {
  AI_REVIEW_SUBJECT,
  buildWhatsAppUrl,
  CASES_SUBJECT,
  HOME_SUBJECT,
  headerOpensWhatsApp,
  isServiceOrCasePath,
  OFFER_SUBJECTS,
  RESUME_SUBJECT,
  SERVICES_SUBJECT,
  similarProjectSubject,
  type WhatsAppContexts,
  whatsAppSubjectForPath,
} from "./whatsapp";

const contexts: WhatsAppContexts = {
  // o whatsappSubject do serviço, como app/layout.tsx o monta: uma frase em minúsculas, e não o nome do serviço
  services: { "criacao-de-sites": "um site que traz pedidos pelo WhatsApp" },
  cases: { "sev-modaintima": "SEV Moda Íntima" },
};

describe("whatsAppSubjectForPath", () => {
  it("cites the service on /servicos/<slug> with its whatsappSubject, a lowercase phrase, so the message reads as a sentence", () => {
    const subject = whatsAppSubjectForPath(
      "/servicos/criacao-de-sites",
      contexts,
    );
    expect(subject).toBe("um site que traz pedidos pelo WhatsApp");
    expect(`Quero conversar sobre ${subject}.`).not.toMatch(
      /sobre Sites profissionais/,
    );
  });

  it("has a whatsappSubject, in lowercase and with no final period, for every service page and offer of site-content", () => {
    expect(servicePages.length).toBeGreaterThan(0);
    for (const { slug, navLabel, whatsappSubject } of servicePages) {
      // não é o nome do serviço (que tem inicial maiúscula): é uma frase que entra depois de "sobre"
      expect(whatsappSubject).toMatch(/^[a-zà-ú].*[^.]$/);
      expect(whatsappSubject).not.toBe(navLabel);
      expect(
        whatsAppSubjectForPath(`/servicos/${slug}`, {
          services: { [slug]: whatsappSubject },
          cases: {},
        }),
      ).toBe(whatsappSubject);
    }
    for (const subject of Object.values(OFFER_SUBJECTS)) {
      expect(subject).toMatch(/^[a-zà-ú].*[^.]$/);
    }
  });

  it("cites the case on /cases/<slug>, with the phrase every page uses for a similar project", () => {
    expect(whatsAppSubjectForPath("/cases/sev-modaintima", contexts)).toBe(
      "um projeto parecido com o case SEV Moda Íntima",
    );
    expect(similarProjectSubject("Lavação 047")).toBe(
      "um projeto parecido com o case Lavação 047",
    );
  });

  it("speaks of the page itself on the home and the index pages, the same as the body buttons of /cases and /servicos", () => {
    expect(whatsAppSubjectForPath("/", contexts)).toBe(HOME_SUBJECT);
    expect(whatsAppSubjectForPath("/cases", contexts)).toBe(CASES_SUBJECT);
    expect(CASES_SUBJECT).toBe("um projeto parecido com os cases do portfólio");
    expect(whatsAppSubjectForPath("/servicos", contexts)).toBe(
      SERVICES_SUBJECT,
    );
    expect(SERVICES_SUBJECT).toBe("sites, sistemas e aplicativos");
    // nenhum assunto fixo começa em maiúscula: "Quero conversar sobre Sites, sistemas..." era o erro
    for (const subject of [
      AI_REVIEW_SUBJECT,
      HOME_SUBJECT,
      CASES_SUBJECT,
      SERVICES_SUBJECT,
      RESUME_SUBJECT,
    ]) {
      expect(subject).toMatch(/^[a-zà-ú]/);
    }
    expect(whatsAppSubjectForPath("/curriculo", contexts)).toBe(RESUME_SUBJECT);
    // sem contextos, a página-índice continua falando de si
    expect(whatsAppSubjectForPath("/cases/")).toBe(CASES_SUBJECT);
    expect(whatsAppSubjectForPath("/curriculo/")).toBe(RESUME_SUBJECT);
  });

  it("cites the AI review on /ia", () => {
    expect(whatsAppSubjectForPath("/ia", contexts)).toBe(AI_REVIEW_SUBJECT);
    expect(whatsAppSubjectForPath("/ia/", undefined)).toBe(AI_REVIEW_SUBJECT);
  });

  it("ignores a trailing slash", () => {
    expect(
      whatsAppSubjectForPath("/servicos/criacao-de-sites/", contexts),
    ).toBe("um site que traz pedidos pelo WhatsApp");
  });

  it.each([
    "/privacidade",
    "/notebook-smoke",
    "/servicos/inexistente",
    "/cases/inexistente",
    "/servicos/criacao-de-sites/extra",
    // nomes que existem em todo objeto não podem virar assunto
    "/servicos/constructor",
    "/cases/__proto__",
    "/cases/toString",
  ])("falls back to a generic message on %s", (pathname) => {
    expect(whatsAppSubjectForPath(pathname, contexts)).toBeUndefined();
  });

  it("treats an empty or blank name as missing, so the message never reads 'sobre .'", () => {
    const blank: WhatsAppContexts = {
      services: { vazio: "", espacos: "   " },
      cases: { vazio: "", espacos: "  " },
    };
    for (const pathname of [
      "/servicos/vazio",
      "/servicos/espacos",
      "/cases/vazio",
      "/cases/espacos",
    ]) {
      expect(whatsAppSubjectForPath(pathname, blank)).toBeUndefined();
    }
  });

  it("is generic without contexts, without a pathname or outside the router", () => {
    expect(
      whatsAppSubjectForPath("/servicos/criacao-de-sites"),
    ).toBeUndefined();
    expect(whatsAppSubjectForPath(null, contexts)).toBeUndefined();
    expect(whatsAppSubjectForPath(undefined, contexts)).toBeUndefined();
  });
});

describe("isServiceOrCasePath", () => {
  it.each([
    ["/servicos/criacao-de-sites", true],
    ["/servicos/qualquer-coisa/", true],
    ["/cases/sev-modaintima", true],
    ["/", false],
    ["/servicos", false],
    ["/cases", false],
    ["/ia", false],
    ["/servicos/a/b", false],
    [null, false],
    [undefined, false],
  ])("%s -> %s", (pathname, expected) => {
    expect(isServiceOrCasePath(pathname)).toBe(expected);
  });
});

describe("headerOpensWhatsApp", () => {
  it.each([
    ["/servicos/criacao-de-sites", true],
    ["/servicos/inexistente", true],
    ["/cases/sev-modaintima", true],
    ["/ia", true],
    ["/ia/", true],
    ["/cases", true],
    ["/servicos", true],
    ["/curriculo", true],
    ["/curriculo/", true],
    // a home já tem o formulário na própria página; as demais rotas não têm assunto
    ["/", false],
    ["/privacidade", false],
    ["/cases/a/b", false],
    ["/ia/extra", false],
    [null, false],
    [undefined, false],
  ])("%s -> %s", (pathname, expected) => {
    expect(headerOpensWhatsApp(pathname)).toBe(expected);
  });
});

describe("buildWhatsAppUrl", () => {
  it("encodes the message in the text parameter of a wa.me link", () => {
    const url = new URL(buildWhatsAppUrl("Olá & tudo? #1"));

    expect(url.origin).toBe("https://wa.me");
    expect(url.pathname).toMatch(/^\/\d{12,13}$/);
    expect(url.searchParams.get("text")).toBe("Olá & tudo? #1");
  });
});