using System;
using moviestore.core.infrastructure.extensions;
using trainingprep.collections;

namespace moviestore.core.domain
{
    public class Movie
    {
        public virtual int id { get; set; }
        public virtual string title { get; set; }
        public virtual ProductionStudio production_studio { get; set; }
        public virtual Genre genre { get; set; }
        public virtual int rating { get; set; }
        public virtual DateTime date_published { get; set; }

        public static ISpecification<Movie> is_published_by(ProductionStudio studio)
        {
            return Where<Movie>.has(x => x.production_studio).equal_to(studio);
        }

        public static ISpecification<Movie> is_not_published_by(ProductionStudio studio)
        {
            return Where<Movie>.has(x => x.production_studio).not_equal_to(studio);
        }

        public static ISpecification<Movie> published_after(int year)
        {
            return Where<Movie>.has_a(x => x.date_published.Year).greater_than(year);
        }

        public static ISpecification<Movie> published_before(int year)
        {
            return Where<Movie>.has_a(x => x.date_published.Year).less_than(year);
        }

        public static ISpecification<Movie> is_of_genre(Genre genre)
        {
            return Where<Movie>.has(x => x.genre).equal_to(genre);
        }
    }
}