import { describe, expect, test } from "bun:test";
import { normalizePublicListPage } from "./public-pagination";

describe("normalizePublicListPage", () => {
  test("returns 1 for non-finite or invalid input", () => {
    expect(normalizePublicListPage(undefined)).toBe(1);
    expect(normalizePublicListPage(null)).toBe(1);
    expect(normalizePublicListPage("")).toBe(1);
    expect(normalizePublicListPage("abc")).toBe(1);
    expect(normalizePublicListPage(NaN)).toBe(1);
    expect(normalizePublicListPage(Infinity)).toBe(1);
    expect(normalizePublicListPage(-Infinity)).toBe(1);
    expect(normalizePublicListPage({})).toBe(1);
  });

  test("returns 1 for values less than 1", () => {
    expect(normalizePublicListPage(0)).toBe(1);
    expect(normalizePublicListPage(-1)).toBe(1);
    expect(normalizePublicListPage(-3.5)).toBe(1);
    expect(normalizePublicListPage("0")).toBe(1);
    expect(normalizePublicListPage("-1")).toBe(1);
  });

  test("returns positive integers unchanged (or parsed)", () => {
    expect(normalizePublicListPage(1)).toBe(1);
    expect(normalizePublicListPage(42)).toBe(42);
    expect(normalizePublicListPage("5")).toBe(5);
    expect(normalizePublicListPage("10")).toBe(10);
  });

  test("floors positive floats", () => {
    expect(normalizePublicListPage(2.7)).toBe(2);
    expect(normalizePublicListPage(3.99)).toBe(3);
    expect(normalizePublicListPage(1.0001)).toBe(1);
  });
});