import { Observable, Subject, lastValueFrom } from "rxjs";
import { IpcService } from "./ipc.service";

export class LinkOpenerService {
    private static instance: LinkOpenerService;

    private readonly ipcService: IpcService;

    private readonly _iframeLink$: Subject<string> = new Subject();

    public static getInstance(): LinkOpenerService {
        if (!LinkOpenerService.instance) {
            LinkOpenerService.instance = new LinkOpenerService();
        }
        return LinkOpenerService.instance;
    }

    private constructor() {
        this.ipcService = IpcService.getInstance();
    }

    public open(url: string, internal?: boolean): void {
        if (internal) {
            return this._iframeLink$.next(url);
        }
        lastValueFrom(this.ipcService.sendV2("new-window", url));
    }

    public closeIframe() {
        this._iframeLink$.next(null);
    }

    public get iframeLink$(): Observable<string> {
        return this._iframeLink$.asObservable();
    }
}