import { testFlag } from '../../../core/flags';
import { SyntheticEvent, Modifier } from './SyntheticEvent';

export { Modifier };

export const enum Button {
    None   = 0x0,
    Left   = 0x1,
    Right  = 0x2,
    Middle = 0x4
}

export class SyntheticMouseEvent extends SyntheticEvent {
    x: number;
    y: number;
    button: Button;
    buttons: Button;

    constructor(x = 0, y = 0, button = Button.None, buttons = Button.None, modifiers?: Modifier) {
        super(modifiers);
        this.x = x;
        this.y = y;
        this.button = button;
        this.buttons = buttons;
    }

    testButton(flag: number) {
        return testFlag(this.buttons, flag);
    }

    static create(x?: number, y?: number, button?: Button, buttons?: Button, modifiers?: Modifier) {
        return new SyntheticMouseEvent(x, y, button, buttons, modifiers);
    }

    static readonly className: string = 'SyntheticMouseEvent';
}