import { describe, expect, it } from "vitest";
import { resolveApiBaseUrl, resolveApiPrefixUrl } from "@/lib/resolve-api-prefix-url";

const ORIGIN = "http://localhost:3000";

describe("resolveApiPrefixUrl", () => {
  it("joins relative /api with origin", () => {
    expect(resolveApiPrefixUrl("/api", ORIGIN)).toBe(`${ORIGIN}/api/`);
  });

  it("normalizes relative api without leading slash", () => {
    expect(resolveApiPrefixUrl("api", ORIGIN)).toBe(`${ORIGIN}/api/`);
  });

  it("preserves absolute URL with /api and adds trailing slash", () => {
    expect(resolveApiPrefixUrl("https://api.seahavenindustries.com/api", ORIGIN)).toBe(
      "https://api.seahavenindustries.com/api/",
    );
  });

  it("preserves absolute URL with /api/ trailing slash", () => {
    expect(resolveApiPrefixUrl("https://api.seahavenindustries.com/api/", ORIGIN)).toBe(
      "https://api.seahavenindustries.com/api/",
    );
  });

  it("uses absolute host without /api as-is (invalid for production)", () => {
    expect(resolveApiPrefixUrl("https://api.seahavenindustries.com", ORIGIN)).toBe(
      "https://api.seahavenindustries.com/",
    );
  });

  it("falls back to /api when empty", () => {
    expect(resolveApiPrefixUrl("", ORIGIN)).toBe(`${ORIGIN}/api/`);
    expect(resolveApiPrefixUrl("   ", ORIGIN)).toBe(`${ORIGIN}/api/`);
  });
});

describe("resolveApiBaseUrl", () => {
  it("strips trailing slash from prefix", () => {
    expect(resolveApiBaseUrl("/api", ORIGIN)).toBe(`${ORIGIN}/api`);
    expect(resolveApiBaseUrl("https://host/api/", ORIGIN)).toBe("https://host/api");
  });
});