import { Injectable } from '@angular/core';
import { Protocol } from '../utils/types';

function _window(): any {
    // return the global native browser window object
    return window;
}

@Injectable()
export class WindowRef {
    get nativeWindow(): any {
        return _window();
    }

    openExternalHttpTab(path: string): void {
        this.navigateToUrl('http', path, true);
    }

    navigateToUrl(protocol: Protocol, path: string, newTab: boolean) {
        let params = [`${protocol}://${path}`], window = this.nativeWindow;
        if (newTab) params.push('_blank');
        window.open.apply(window, params);
    }
}