// @vitest-environment jsdom
import { act, renderHook } from "@testing-library/react";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { useLongPress } from "../use-long-press.js";

function touchEvent(overrides?: Partial<React.TouchEvent>): React.TouchEvent {
	return {
		preventDefault: vi.fn(),
		...overrides,
	} as unknown as React.TouchEvent;
}

describe("useLongPress", () => {
	beforeEach(() => {
		vi.useFakeTimers();
	});

	afterEach(() => {
		vi.useRealTimers();
	});

	it("returns onTouchStart, onTouchEnd, onTouchMove handlers", () => {
		const { result } = renderHook(() => useLongPress(vi.fn()));
		expect(result.current.onTouchStart).toBeInstanceOf(Function);
		expect(result.current.onTouchEnd).toBeInstanceOf(Function);
		expect(result.current.onTouchMove).toBeInstanceOf(Function);
	});

	it("fires onLongPress after 500ms hold", () => {
		const onLongPress = vi.fn();
		const { result } = renderHook(() => useLongPress(onLongPress));

		const e = touchEvent();
		act(() => result.current.onTouchStart(e));
		expect(onLongPress).not.toHaveBeenCalled();

		act(() => {
			vi.advanceTimersByTime(500);
		});
		expect(onLongPress).toHaveBeenCalledOnce();
	});

	it("does not fire if released before 500ms", () => {
		const onLongPress = vi.fn();
		const { result } = renderHook(() => useLongPress(onLongPress));

		act(() => result.current.onTouchStart(touchEvent()));
		act(() => {
			vi.advanceTimersByTime(300);
		});
		act(() => result.current.onTouchEnd(touchEvent()));
		act(() => {
			vi.advanceTimersByTime(500);
		});

		expect(onLongPress).not.toHaveBeenCalled();
	});

	it("cancels on touch move", () => {
		const onLongPress = vi.fn();
		const { result } = renderHook(() => useLongPress(onLongPress));

		act(() => result.current.onTouchStart(touchEvent()));
		act(() => {
			vi.advanceTimersByTime(200);
		});
		act(() => result.current.onTouchMove());
		act(() => {
			vi.advanceTimersByTime(500);
		});

		expect(onLongPress).not.toHaveBeenCalled();
	});

	it("onTouchEnd calls preventDefault after long press fires", () => {
		const onLongPress = vi.fn();
		const { result } = renderHook(() => useLongPress(onLongPress));

		act(() => result.current.onTouchStart(touchEvent()));
		act(() => {
			vi.advanceTimersByTime(500);
		});

		const preventDefaultSpy = vi.fn();
		const endEvent = touchEvent({ preventDefault: preventDefaultSpy });
		act(() => result.current.onTouchEnd(endEvent));
		expect(preventDefaultSpy).toHaveBeenCalled();
	});

	it("onTouchEnd does not preventDefault when long press did not fire", () => {
		const onLongPress = vi.fn();
		const { result } = renderHook(() => useLongPress(onLongPress));

		act(() => result.current.onTouchStart(touchEvent()));
		act(() => {
			vi.advanceTimersByTime(100);
		});

		const preventDefaultSpy = vi.fn();
		const endEvent = touchEvent({ preventDefault: preventDefaultSpy });
		act(() => result.current.onTouchEnd(endEvent));
		expect(preventDefaultSpy).not.toHaveBeenCalled();
	});
});