// NG2
import { Injectable, ReflectiveInjector } from '@angular/core';
// APP
import { NovoModalRef, NovoModalParams, NovoModalContainerElement } from './Modal';
import { ComponentUtils } from './../../utils/component-utils/ComponentUtils';

@Injectable()
export class NovoModalService {
    _parentViewContainer: any = null;

    constructor(private componentUtils: ComponentUtils) {
    }

    set parentViewContainer(view) {
        this._parentViewContainer = view;
    }

    open(component, scope = {}) {
        if (!this._parentViewContainer) {
            console.error('No parent view container specified for the ModalService. Set it inside your main application. \nthis.modalService.parentViewContainer = view (ViewContainerRef)');
            return null;
        }

        const modal = new NovoModalRef();
        modal.component = component;
        modal.open();

        let bindings = ReflectiveInjector.resolve([
            { provide: NovoModalRef, useValue: modal },
            { provide: NovoModalParams, useValue: scope }
        ]);
        modal.containerRef = this.componentUtils.appendNextToLocation(NovoModalContainerElement, this._parentViewContainer, bindings);
        return modal;
    }
}