import { observer } from "mobx-react";
import * as React from "react";
import { AclPrivate, Doc, DocListCast } from "../../../../fields/Doc";
import { GetEffectiveAcl } from "../../../../fields/util";
import { emptyFunction, returnFalse, setupMoveUpEvents } from "../../../../Utils";
import { DragManager } from "../../../util/DragManager";
import "./FontIconBadge.scss";

interface FontIconBadgeProps {
    collection: Doc | undefined;
}

@observer
export class FontIconBadge extends React.Component<FontIconBadgeProps> {
    _notifsRef = React.createRef<HTMLDivElement>();

    onPointerDown = (e: React.PointerEvent) => {
        setupMoveUpEvents(this, e,
            (e: PointerEvent) => {
                const dragData = new DragManager.DocumentDragData([this.props.collection!]);
                DragManager.StartDocumentDrag([this._notifsRef.current!], dragData, e.x, e.y);
                return true;
            },
            returnFalse, emptyFunction, false);
    }

    render() {
        if (!(this.props.collection instanceof Doc)) return (null);
        const length = DocListCast(this.props.collection.data).filter(d => GetEffectiveAcl(d) !== AclPrivate).length; //  Object.keys(d).length).length; // filter out any documents that we can't read
        return <div className="fontIconBadge-container" ref={this._notifsRef}>
            <div className="fontIconBadge" style={length > 0 ? { "display": "initial" } : { "display": "none" }}
                onPointerDown={this.onPointerDown} >
                {length}
            </div>
        </div>;
    }
}