using System.Web;
using MahApps.Twitter.Models;
using MahTweets.Extensions.Twitter.Mango.Models;
using MahTweets.Mango.Core.Extensions;
using MahTweets.Mango.Core.Extensions.MahTweets.Core.Extensions;
using MahTweets.Mango.Core.Models;
using MahTweets.Mango.Core.Repositories;
using MahTweets.Mango.Core.UpdateTypes;

namespace MahTweets.Extensions.Twitter.Mango.Extensions
{
    public static class TweetExtensions
    {
        public static TweetStatusUpdate ToStatus(this Tweet s, IContactRepository contactsRepository)
        {
            if (s.Id == null)
                return null;

            var contact = contactsRepository.GetContact(s.User.ScreenName);
            contact.UpdateContact(s.User);

            if (s.RetweetedStatus != null)
            {
                var retweet = s.RetweetedStatus.ToStatus(contactsRepository);
                retweet.Time = s.Created.ToLocalTime();
                retweet.RetweetBy = contact;
                retweet.IsRetweet = true;
                return retweet;
            }

            var status = new TweetStatusUpdate
                             {
                                 Id = s.Id.ToString(),
                                 Contact = contact,
                                 Text = HttpUtility.HtmlDecode(s.Text),
                                 Time = s.Created.ToLocalTime(),
                                 SourceUri = s.Source.GetSourceUrl(),
                                 Source = s.Source.GetSourceText(),
                                 Favourite = s.Favourited,
                             };

            if (s.Source != null)
                status.Source = s.Source.GetSourceText();

            if (s.Geo != null)
                status.Location = new GeoLocation(s.Geo.Coordinates[0], s.Geo.Coordinates[1]);

            if (s.InReplyToStatusId > 0)
            {
                status.InReplyToId = s.InReplyToStatusId.ToString();
                status.InReplyTo = new Contact {Name = s.InReplyToScreenName};
            }

            return status;
        }

        public static DirectMessageStatusUpdate ToStatus(this DirectMessage s, Contact contact)
        {
            var status = new DirectMessageStatusUpdate
            {
                Id = s.Id.ToString(),
                Contact = contact,
                Text = HttpUtility.HtmlDecode(s.Text),
                Time = s.Created.ToLocalTime(),
            };

            return status;
        }

        public static void ToTimeline(this TweetStatusUpdate t, AccountCredentials account)
        {
            if (t == null)
                return;

            t.Accounts.Add(account);

            if (t is DirectMessageStatusUpdate)
                t.Types.AddUpdate<DirectMessageUpdate>(account);
            else if (t.Text.ToUpper().Contains("@" + account.AccountName.ToUpper()))
                t.Types.AddUpdate<MentionUpdate>(account);
            else
                t.Types.AddUpdate<NormalUpdate>(account);
        }
    }
}