import { djbase, djclass, bind, prototype, AbstractConstructor } from "../declare";

import { DjxWidgetBase } from "../tsx/DjxWidgetBase";
import { createElement } from "../tsx";

interface MyWidgetAttrs {
    title: string;

    counter: number;
}

interface MyWidgetEvents {
    "count-inc": Event & {
        detail: number;
    };

    "count-dec": Event & {
        detail: number;
    };
}


@djclass
export class MyWidget extends djbase(DjxWidgetBase as AbstractConstructor<DjxWidgetBase<MyWidgetAttrs, MyWidgetEvents>>) {

    @bind({ node: "titleNode", type: "innerHTML" })
    title = "";

    @prototype()
    counter = 0;

    render() {
        const Frame = (props: any) => <div>{props.children}</div>;
        return <div className="myWidget" onsubmit={e => this._onSubmit(e)} tabIndex={3} style={{ alignContent: "center", border: "1px solid" }} >
            <h1 data-dojo-attach-point="titleNode"></h1>
            <Frame>
                <span class="up-button" onclick={e => this._onIncClick(e)}>[+]</span>
                <span class="down-button" onclick={() => this._onDecClick()}>[-]</span>
            </Frame>
        </div>;
    }

    _onSubmit(e: Event) {
    }

    _onIncClick(e: MouseEvent) {
        this.set("counter", this.counter+1);

        this.emit("count-inc", { bubbles: false });
    }

    _onDecClick() {
        this.emit("count-dec", { bubbles: false, detail: this.counter });
    }
}