/* @vitest-environment node */

import { describe, it, expect } from "vitest";
import {
	isValidBranchParam,
	isValidYearParam,
	isValidMonthParam,
	isValidDayParam,
} from "./params.js";

describe("lib/frontend/params", () => {
	describe("isValidBranchParam", () => {
		it("accepts strict NLxx codes", () => {
			expect(isValidBranchParam("NL01")).toBe(true);
			expect(isValidBranchParam("NL99")).toBe(true);
		});

		it("rejects invalid branch values", () => {
			expect(isValidBranchParam("FOO")).toBe(false);
			expect(isValidBranchParam("nl01")).toBe(false);
			expect(isValidBranchParam("NL1")).toBe(false);
			expect(isValidBranchParam("NL001")).toBe(false);
			expect(isValidBranchParam("")).toBe(false);
			expect(isValidBranchParam(null)).toBe(false);
			expect(isValidBranchParam(undefined)).toBe(false);
		});
	});

	describe("isValidYearParam", () => {
		it("accepts 4-digit years", () => {
			expect(isValidYearParam("2024")).toBe(true);
			expect(isValidYearParam("1999")).toBe(true);
		});

		it("rejects invalid years", () => {
			expect(isValidYearParam("24")).toBe(false);
			expect(isValidYearParam("abcd")).toBe(false);
			expect(isValidYearParam("20245")).toBe(false);
			expect(isValidYearParam("")).toBe(false);
			expect(isValidYearParam(null)).toBe(false);
		});
	});

	describe("isValidMonthParam", () => {
		it("accepts MM 01-12", () => {
			expect(isValidMonthParam("01")).toBe(true);
			expect(isValidMonthParam("12")).toBe(true);
			expect(isValidMonthParam("10")).toBe(true);
		});

		it("rejects invalid months", () => {
			expect(isValidMonthParam("00")).toBe(false);
			expect(isValidMonthParam("13")).toBe(false);
			expect(isValidMonthParam("1")).toBe(false);
			expect(isValidMonthParam("99")).toBe(false);
			expect(isValidMonthParam("ab")).toBe(false);
			expect(isValidMonthParam(null)).toBe(false);
		});
	});

	describe("isValidDayParam", () => {
		it("accepts DD 01-31", () => {
			expect(isValidDayParam("01")).toBe(true);
			expect(isValidDayParam("31")).toBe(true);
			expect(isValidDayParam("09")).toBe(true);
		});

		it("rejects invalid days", () => {
			expect(isValidDayParam("00")).toBe(false);
			expect(isValidDayParam("32")).toBe(false);
			expect(isValidDayParam("1")).toBe(false);
			expect(isValidDayParam("99")).toBe(false);
			expect(isValidDayParam("ab")).toBe(false);
			expect(isValidDayParam(undefined)).toBe(false);
		});
	});
});