import {Injectable} from "@angular/core";
import {Http, Headers} from "@angular/http";
import {Config} from "../config";
import {RssFeed} from "./rssfeed";
import {RssFeedItem} from "./rssfeed-item";
import {Observable} from "rxjs/Rx";
import "rxjs/add/operator/map";
import moment = require('moment');

@Injectable()
export class ##SERVICE## {
    private rssFeedItems: Array<RssFeedItem>;

    constructor(private _http: Http) {}

    load() {
        this.rssFeedItems = new Array<RssFeedItem>();
        let headers = new Headers();

        return this._http.get(Config.##RSSFEEDURL##, {
            headers: headers
        })
        .map(res => res.json())
        .map(data => {
            data.items.forEach((item) => {
                let dateTime = moment(item.pubDate, "YYYY-MM-DD HH:mm:ss").format("DD-MM-YYYY");
                this.rssFeedItems.push(
                    new RssFeedItem(
                        item.title, 
                        dateTime,
                        item.link,
                        item.content,
                    ));
            });
            return new RssFeed(data.feed.title, this.rssFeedItems);
        })
        .catch(this.handleErrors);
    }

    getRssFeedItem(index: number) {
        return this.rssFeedItems[index];
    }

    handleErrors(error: Response) {
        console.log("ERROR at RSSFeedService: " + JSON.stringify(error.json()));
        return Observable.throw(error);
    }
}