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

import { resolveWindowsCaptureDisplay } from "./windowsCaptureSelection";

describe("resolveWindowsCaptureDisplay", () => {
	const primaryDisplay = {
		id: 101,
		bounds: {
			x: 0,
			y: 0,
			width: 1920,
			height: 1080,
		},
	};

	const secondaryDisplay = {
		id: 202,
		bounds: {
			x: 1920,
			y: -40,
			width: 2560,
			height: 1440,
		},
	};

	it("uses the requested secondary display bounds for WGC fallback metadata", () => {
		const resolved = resolveWindowsCaptureDisplay(
			{ display_id: String(secondaryDisplay.id) },
			[primaryDisplay, secondaryDisplay],
			primaryDisplay,
		);

		expect(resolved).toEqual({
			displayId: secondaryDisplay.id,
			bounds: secondaryDisplay.bounds,
		});
	});

	it("falls back to the primary display when the source has no display id", () => {
		const resolved = resolveWindowsCaptureDisplay(
			undefined,
			[primaryDisplay, secondaryDisplay],
			primaryDisplay,
		);

		expect(resolved).toEqual({
			displayId: primaryDisplay.id,
			bounds: primaryDisplay.bounds,
		});
	});

	it("keeps the requested display id even if Electron cannot rematch it, while using primary bounds", () => {
		const resolved = resolveWindowsCaptureDisplay(
			{ display_id: "303" },
			[primaryDisplay, secondaryDisplay],
			primaryDisplay,
		);

		expect(resolved).toEqual({
			displayId: 303,
			bounds: primaryDisplay.bounds,
		});
	});
});