using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using GrandRating.Services.Net;
using GrandRating.Services;

namespace EbayTrading.CrawlerService {
    public class ItemContentGrabber : GrabberBase<IWebContainer>, IItemContentGrabber {
        public ItemContentGrabber(ComponentSetup<IWebContainer> setup)
            : base(setup) {
            RegisterComponent(parser = new ItemContentParser(this.CreateChildSetup<IContainer>("ItemContentParser", this)));
        }

        readonly ItemContentParser parser;

        public ItemContent Execute(long itemId, EbayDomain domain) {
            ThrowIfAbortedOrTerminating();

            OpenWebSession();
            WebSession.Get(string.Format("http://cgi.ebay.{0}/ws/eBayISAPI.dll?ViewItem&item={1}", domain.ToString().ToLower(), itemId));
            WebSession.CheckResponseStatus(200);

            ApplyResponseEncoding();

            return parser.Parse(WebSession.LastResponseBody, domain);
        }
    }

    public interface IItemContentGrabber : IGrabber {
        ItemContent Execute(long itemId, EbayDomain domain);
    }
}