import { describe, expect, it } from "vitest";
import {
	chartRangesThrough,
	PROMETHEUS_WINDOW_VALUES,
	rangeSecondsFromWindow,
} from "../chartRanges";

describe("chart ranges", () => {
	it("maps every persisted Prometheus window to its display duration", () => {
		expect(PROMETHEUS_WINDOW_VALUES).toEqual([
			"5m",
			"15m",
			"30m",
			"1h",
			"3h",
			"6h",
			"12h",
			"24h",
			"2d",
			"7d",
			"14d",
			"30d",
		]);
		expect(PROMETHEUS_WINDOW_VALUES.map(rangeSecondsFromWindow)).toEqual([
			300, 900, 1800, 3600, 10800, 21600, 43200, 86400, 172800, 604800, 1209600,
			2592000,
		]);
	});

	it("offers all values after every finite range through the available history", () => {
		expect(chartRangesThrough(86_400).at(-1)).toEqual({
			value: "all",
			label: "All values",
		});
	});
});