import { Point } from '@flatten-js/core';
import { Actor } from 'xstate';
import type { ScreenCanvasDrawController } from '../../src/drawControllers/screenCanvas.drawController';
import { InputController } from '../../src/inputController/input-controller';
import {
	setActiveToolActor,
	setEntities,
	setInputController,
	setScreenCanvasDrawController,
} from '../../src/state';
import { Tool } from '../../src/tools';
import { TOOL_STATE_MACHINES } from '../../src/commands/registry';
import { ScreenCanvasDrawController as ScreenCanvasDrawControllerMock } from '../mocks/drawControllers/screenCanvas.drawController';
import { CANVAS_HEIGHT, CANVAS_WIDTH } from './tests.consts';

export function initApplication(): InputController {
	const inputController = new InputController();
	setInputController(inputController);
	setEntities([], true); // Creates the first undo entry

	const canvasSize = new Point(CANVAS_WIDTH, CANVAS_HEIGHT);

	const lineToolActor = new Actor(TOOL_STATE_MACHINES[Tool.LINE]);
	lineToolActor.start();
	setActiveToolActor(lineToolActor);
	setScreenCanvasDrawController(
		new ScreenCanvasDrawControllerMock(null, canvasSize) as unknown as ScreenCanvasDrawController
	);
	return inputController;
}