import { afterEach, describe, expect, it, vi } from "vitest";

import { bankDateInputValue, bankMonth, bankToday } from "./form-validation";
import {
	bankCardSchema,
	bankDateSchema,
	positiveMoneySchema,
} from "./form.schema";
import { bankMoneyValue } from "./money";

afterEach(() => vi.useRealTimers());
describe("bank form input", () => {
	it("keeps input bounds exact without rounding and canonicalizes leading zeros", () => {
		expect(positiveMoneySchema.safeParse("92233720368547758.07").success).toBe(
			true,
		);

		for (const invalid of [
			"92233720368547758.08",
			"1.001",
			"0",
			"-1",
			"abc",
			"1e3",
		]) {
			expect(positiveMoneySchema.safeParse(invalid).success).toBe(false);
		}

		expect(bankMoneyValue(" -00010,20 ")).toBe("-10.20");

		const values = {
			bankName: "",
			lastFour: "",
			name: "A",
			openingBalance: "-92233720368547758.08",
			openingDate: "2026-01-01",
		};

		expect(bankCardSchema.safeParse(values).success).toBe(true);
		expect(
			bankCardSchema.safeParse({
				...values,
				openingBalance: "-92233720368547758.09",
			}).success,
		).toBe(false);
		expect(
			bankCardSchema.safeParse({ ...values, lastFour: "123" }).success,
		).toBe(false);
	});
	it("uses Moscow date and refuses nonexistent or future calendar days", () => {
		vi.useFakeTimers();
		vi.setSystemTime(new Date("2026-08-31T21:30:00Z"));
		expect(bankToday()).toBe("2026-09-01");
		expect(bankMonth(null)).toBe("2026-09");
		expect(bankMonth("2026-13")).toBe("2026-09");
		expect(bankDateSchema.safeParse("2026-09-01").success).toBe(true);
		expect(bankDateSchema.safeParse("2026-09-02").success).toBe(false);
		expect(bankDateSchema.safeParse("2026-02-30").success).toBe(false);
		expect(bankDateSchema.safeParse("0000-01-01").success).toBe(false);
		expect(bankDateSchema.safeParse("0001-01-01").success).toBe(true);
		expect(bankDateSchema.safeParse("0099-12-31").success).toBe(true);
	});
});

it("converts local date input without accepting impossible or unfinished dates", () => {
	expect(bankDateInputValue("07.08.2026")).toBe("2026-08-07");
	expect(
		bankDateSchema.safeParse(bankDateInputValue("29.02.2024")).success,
	).toBe(true);

	for (const value of ["31.02.2026", "07.08.", ""]) {
		expect(bankDateSchema.safeParse(bankDateInputValue(value)).success).toBe(
			false,
		);
	}
});