using System.Collections.Generic;
using System.Linq;
using Kyoo.Models.Attributes;

namespace Kyoo.Models
{
	public class Show : IResource, IOnMerge
	{
		public int ID { get; set; }
		public string Slug { get; set; }
		public string Title { get; set; }
		[EditableRelation] public string[] Aliases { get; set; }
		[SerializeIgnore] public string Path { get; set; }
		public string Overview { get; set; }
		public Status? Status { get; set; }
		public string TrailerUrl { get; set; }

		public int? StartYear { get; set; }
		public int? EndYear { get; set; }

		public string Poster { get; set; }
		public string Logo { get; set; }
		public string Backdrop { get; set; }

		public bool IsMovie { get; set; }

		[EditableRelation] [LoadableRelation] public virtual ICollection<MetadataID> ExternalIDs { get; set; }
		
		
		public int? StudioID { get; set; }
		[LoadableRelation] [EditableRelation] public virtual Studio Studio { get; set; }
		[LoadableRelation] [EditableRelation] public virtual ICollection<Genre> Genres { get; set; }
		[LoadableRelation] [EditableRelation] public virtual ICollection<PeopleRole> People { get; set; }
		[LoadableRelation] public virtual ICollection<Season> Seasons { get; set; }
		[LoadableRelation] public virtual ICollection<Episode> Episodes { get; set; }
		[LoadableRelation] public virtual ICollection<Library> Libraries { get; set; }
		[LoadableRelation] public virtual ICollection<Collection> Collections { get; set; }
		
#if ENABLE_INTERNAL_LINKS
		[SerializeIgnore] public virtual ICollection<Link<Library, Show>> LibraryLinks { get; set; }
		[SerializeIgnore] public virtual ICollection<Link<Collection, Show>> CollectionLinks { get; set; }
		[SerializeIgnore] public virtual ICollection<Link<Show, Genre>> GenreLinks { get; set; }
#endif


		public Show() { }

		public Show(string slug, 
			string title,
			IEnumerable<string> aliases,
			string path, string overview,
			string trailerUrl,
			IEnumerable<Genre> genres,
			Status? status,
			int? startYear,
			int? endYear,
			IEnumerable<MetadataID> externalIDs)
		{
			Slug = slug;
			Title = title;
			Aliases = aliases?.ToArray();
			Path = path;
			Overview = overview;
			TrailerUrl = trailerUrl;
			Genres = genres?.ToArray();
			Status = status;
			StartYear = startYear;
			EndYear = endYear;
			ExternalIDs = externalIDs?.ToArray();
		}

		public Show(string slug,
			string title, 
			IEnumerable<string> aliases, 
			string path,
			string overview, 
			string trailerUrl,
			Status? status, 
			int? startYear,
			int? endYear,
			string poster,
			string logo, 
			string backdrop,
			IEnumerable<MetadataID> externalIDs)
		{
			Slug = slug;
			Title = title;
			Aliases = aliases?.ToArray();
			Path = path;
			Overview = overview;
			TrailerUrl = trailerUrl;
			Status = status;
			StartYear = startYear;
			EndYear = endYear;
			Poster = poster;
			Logo = logo;
			Backdrop = backdrop;
			ExternalIDs = externalIDs?.ToArray();
		}

		public string GetID(string provider)
		{
			return ExternalIDs?.FirstOrDefault(x => x.Provider.Name == provider)?.DataID;
		}

		public virtual void OnMerge(object merged)
		{
			if (ExternalIDs != null)
				foreach (MetadataID id in ExternalIDs)
					id.Show = this;
			if (People != null)
				foreach (PeopleRole link in People)
					link.Show = this;
			if (Seasons != null)
				foreach (Season season in Seasons)
					season.Show = this;
			if (Episodes != null)
				foreach (Episode episode in Episodes)
					episode.Show = this;
		}
	}

	public enum Status { Finished, Airing, Planned, Unknown }
}