import { describe, expect, it } from "vitest";
import { buildDnsRecord } from "../../src/network/dns";
import { buildUrl, inspectUrl } from "../../src/network/url";

describe("URL inspection", () => {
  it("preserves duplicate query values and resolves relative URLs", () => {
    const inspected = inspectUrl(
      "../items?a=1&a=2#part",
      "https://Example.com/a/b/",
    );
    expect(inspected.hostname).toBe("example.com");
    expect(inspected.query).toEqual([
      { key: "a", value: "1" },
      { key: "a", value: "2" },
    ]);
    expect(buildUrl(inspected)).toBe(
      "https://example.com/a/items?a=1&a=2#part",
    );
  });

  it("warns about credentials without disclosing the password", () => {
    const inspected = inspectUrl("https://alice:secret@example.test/");
    expect(inspected.hasPassword).toBe(true);
    expect(JSON.stringify(inspected)).not.toContain("secret");
  });
});

describe("DNS construction", () => {
  it("builds common zone-file records", () => {
    expect(
      buildDnsRecord({
        owner: "www",
        ttl: 3600,
        type: "A",
        value: "192.0.2.4",
      }),
    ).toBe("www 3600 IN A 192.0.2.4");
    expect(
      buildDnsRecord({
        owner: "@",
        ttl: 300,
        type: "MX",
        value: "mail.example.",
        priority: 10,
      }),
    ).toBe("@ 300 IN MX 10 mail.example.");
  });

  it("quotes TXT data and rejects oversized values", () => {
    expect(
      buildDnsRecord({ owner: "@", ttl: 60, type: "TXT", value: 'a"b' }),
    ).toContain('"a\\"b"');
    expect(() =>
      buildDnsRecord({
        owner: "@",
        ttl: 60,
        type: "TXT",
        value: "x".repeat(256),
      }),
    ).toThrow(/255/u);
  });

  it("canonicalises addresses and rejects malformed IPv6 text", () => {
    expect(
      buildDnsRecord({
        owner: "@",
        ttl: 60,
        type: "AAAA",
        value: "2001:0db8:0:0:0:0:0:1",
      }),
    ).toBe("@ 60 IN AAAA 2001:db8::1");
    expect(() =>
      buildDnsRecord({ owner: "@", ttl: 60, type: "AAAA", value: "::::" }),
    ).toThrow(/IPv6/u);
  });
});