import { 
  InputDevice,
  MouseState,
  KeyboardState,
  TouchscreenState,
  GamepadState
} from "../../src/input/inputdevice.js";

import { 
  MessageType,
  NewDeviceMsg,
  NewEventsMsg,
  RemoveDeviceMsg,
  InputRemoting,
} from "../../src/input/inputremoting.js";

import {
  Sender,
  Observer
} from "../../src/core/sender.js";

import {DOMRect} from "../helpers/domrect.js";

describe(`InputRemoting`, () => {
  let sender = null;
  let inputRemoting = null;
  let observer = null;
  beforeEach(async () => {
    document.getBoundingClientRect = function(){ return new DOMRect(0,0,0,0); };
    sender = new Sender(document);
    inputRemoting = new InputRemoting(sender);
    let dc = null;
    observer = new Observer(dc);
  });
  test('startSending', () => {
    expect.assertions(0);
    inputRemoting.startSending();
  });
  test('stopSending', () => {
    expect.assertions(0);
    inputRemoting.startSending();
    inputRemoting.stopSending();
  });
  test('subscribe', () => {
    expect.assertions(0);
    inputRemoting.subscribe(observer);
  });
});

test('create NewDeviceMsg', () => {
  const device = new InputDevice("Keyboard", "Keyboard", 0, null, null);
  const msg = NewDeviceMsg.create(device);
  expect(msg.participant_id).toBe(0);
  expect(msg.type).toBe(MessageType.NewDevice);
  expect(msg.data).toBeInstanceOf(ArrayBuffer);
  expect(msg.data.byteLength).toBeGreaterThan(0);
});

describe('create NewEventMsg', () => {
  test('using MouseState', () => {
    const event = new MouseEvent('click', { buttons:0, clientX:0, clientY:0} );
    const state = new MouseState(event);
    const msg = NewEventsMsg.create(state);
    expect(msg.participant_id).toBe(0);
    expect(msg.type).toBe(MessageType.NewEvents);
    expect(msg.data).toBeInstanceOf(ArrayBuffer);
    expect(msg.data.byteLength).toBeGreaterThan(0);
  });
  test('using KeyboardState', () => {
    const event = new KeyboardEvent("keydown", { code: 'KeyA' });
    const state = new KeyboardState(event);
    const msg = NewEventsMsg.create(state);
    expect(msg.participant_id).toBe(0);
    expect(msg.type).toBe(MessageType.NewEvents);
    expect(msg.data).toBeInstanceOf(ArrayBuffer);
    expect(msg.data.byteLength).toBeGreaterThan(0);
  });
  test('using TouchscreenState', () => {
    const event = new TouchEvent("touchstart", { 
      changedTouches: [{ // InputInit
        identifier: 0,
        target: null,
        clientX: 0,
        clientY: 0,
        screenX: 0,
        screenY: 0,
        pageX: 0,
        pageY: 0,
        radiusX: 0,
        radiusY: 0,
        rotationAngle: 0,
        force: 0,
        altitudeAngle: 0,
        azimuthAngle:0,
        touchType: "direct"
      }]
    });
    const state = new TouchscreenState(event, null, Date.now());
    expect(state.touchData).not.toBeNull();
    expect(state.touchData).toHaveLength(1);
    const msg = NewEventsMsg.create(state.touchData[0]);
    expect(msg.participant_id).toBe(0);
    expect(msg.type).toBe(MessageType.NewEvents);
    expect(msg.data).toBeInstanceOf(ArrayBuffer);
    expect(msg.data.byteLength).toBeGreaterThan(0);
  });
  test('using GamepadState', () => {
    const event = {
      type: 'gamepadupdated',
      gamepad : {
        id: 1,
        buttons: Array(16).fill({ pressed: false, value: 1 }),
        axes:[1, 1, 1, 1]
    }};
    const state = new GamepadState(event);
    const msg = NewEventsMsg.create(state);
    expect(msg.participant_id).toBe(0);
    expect(msg.type).toBe(MessageType.NewEvents);
    expect(msg.data).toBeInstanceOf(ArrayBuffer);
    expect(msg.data.byteLength).toBeGreaterThan(0);
  });
});

test('create RemoveDeviceMsg', () => {
  const device = new InputDevice("Keyboard", "Keyboard", 0, null, null);
  const msg = RemoveDeviceMsg.create(device);
  expect(msg.participant_id).toBe(0);
  expect(msg.type).toBe(MessageType.RemoveDevice);
  expect(msg.data).toBeInstanceOf(ArrayBuffer);
  expect(msg.data.byteLength).toBeGreaterThan(0);
});