using System;
using System.Linq;
using System.Xml.Linq;
using System.Collections.Generic;
using Aggregator.Classes;

namespace Aggregator.Parser {
    public static class Parser {
        public static IEnumerable<Article> Parse(string xml, Config config) {
            return XDocument.Parse(xml).Descendants("item")
                .Select(articles => articles.Descendants().ToArray())
                .Select(article => new Article()
                {
                    Source = config.Source,
                    Title = article[config.Title].Value,
                    Description = article[config.Description].Value,
                    ArticleLink = article[config.ArticleLink].Value,
                    ImageLink = article[config.ImageLink].Attribute("url").Value,
                    PublishDate = DateTime.Parse(article[config.PublishDate].Value)
                }).Distinct().ToArray();
        }
        public static IEnumerable<IEnumerable<Article>> ParseMultiple(string xmls) {

        }
    }
}