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

import type { BrokerageEvent } from "../api/useBrokerageEvents";

import { brokerageEventGroupKey } from "./event-key";

const base: BrokerageEvent = {
	account: { id: "account-1", name: "Брокерский" },
	date: "2026-08-20",
	dateKind: "event",
	displayName: "ОФЗ 26238",
	figi: "FIGI",
	instrumentUid: "UID",
	isin: "RU000A0JX0J2",
	logoName: null,
	projectedAmount: { currency: "RUB", value: "100" },
	ticker: "OFZ",
	type: "coupon",
};

describe("brokerageEventGroupKey", () => {
	it("uses date, preferred identity, exact type and dateKind", () => {
		const key = brokerageEventGroupKey(base);

		expect(brokerageEventGroupKey({
			...base,
			account: { id: "account-2", name: "ИИС" },
			figi: "OTHER-FIGI",
		})).toBe(key);
		expect(brokerageEventGroupKey({ ...base, date: "2026-08-21" }))
			.not.toBe(key);
		expect(brokerageEventGroupKey({ ...base, dateKind: "registry" }))
			.not.toBe(key);
		expect(brokerageEventGroupKey({ ...base, type: "dividend" }))
			.not.toBe(key);
	});

	it("falls back through FIGI and ISIN and rejects missing identity", () => {
		expect(brokerageEventGroupKey({ ...base, instrumentUid: null }))
			.toBe(brokerageEventGroupKey({ ...base, instrumentUid: "" }));
		expect(brokerageEventGroupKey({
			...base,
			figi: null,
			instrumentUid: null,
		})).toBe(brokerageEventGroupKey({
			...base,
			figi: "",
			instrumentUid: null,
		}));
		expect(brokerageEventGroupKey({
			...base,
			figi: null,
			instrumentUid: null,
			isin: null,
		})).toBeNull();
	});
});