/**
 * Created by stefania on 7/17/17.
 */
import { Component, OnInit, Input } from '@angular/core';
import { ActivatedRoute, Router, NavigationStart } from "@angular/router";
import { PageHelpContent } from '../models/help-content/page-help-content';
import { HelpContentService } from '../services/help-content/help-content.service';
@Component({
    selector: 'help-content',
    template: `
        <ng-template [ngIf]="contents && contents.length>0">
            <ng-template ngFor let-content [ngForOf]="contents">
                <div [innerHTML]="content.content" class="uk-margin-medium-bottom"></div>  
            </ng-template>
        </ng-template>
    `,
})
export class HelpContentComponent implements OnInit {
    @Input('position')
    position: string;
    contents: any[];
    errorMessage: string = null;
    constructor(private _helpContentService: HelpContentService, private route: ActivatedRoute, private router: Router) {
    }
    ngOnInit() {
        this.errorMessage = null;
        this.router.events.subscribe(event => {
            if (event instanceof NavigationStart) {
                this._helpContentService.getActivePageContent(event["url"]).subscribe(
                    pageContent => this.shiftThroughContent(pageContent),
                    error => this.handleError(<any>error))
            }
        })
    }
    shiftThroughContent(pageContent: PageHelpContent) {
        this.contents = pageContent.content[this.position];
    }
    isPresent() {
        return (this.contents && this.contents.length > 0);
    }
    handleError(error) {
        this.errorMessage = 'System error retrieving page content (Server responded: ' + error + ')';
    }
}
@Component({
    selector: 'aside-help-content',
    template: `
        <ng-template [ngIf]="contents && contents.length>0">
            <ng-template ngFor let-content [ngForOf]="contents">
                <div [innerHTML]="content.content" class="uk-card uk-card-body uk-card-default sidemenu uk-margin-bottom"></div>  
            </ng-template>
        </ng-template>
    `,
})
export class AsideHelpContentComponent extends HelpContentComponent {
}