using System.Collections.Generic;
using System.Threading.Tasks;
using Gallery.Util.Model;
using Xamarin.Forms;

namespace Gallery.Util.Interface
{
    public interface IGallerySource
    {
        string Name { get; }
        string Route { get; }
        string FlyoutIconKey { get; }
        string HomePage { get; }
        bool IsScrollable { get; }

        void SetCookie();
        void InitDynamicResources(string family, ResourceDictionary light, ResourceDictionary dark);
        Task<IEnumerable<GalleryItem>> GetRecentItemsAsync(int page);
        Task<string> ResolveImageUrl(GalleryItem item);
    }

    public abstract class GallerySourceBase : IGallerySource
    {
        public abstract string Name { get; }
        public abstract string Route { get; }
        public abstract string FlyoutIconKey { get; }
        public abstract string HomePage { get; }
        public virtual bool IsScrollable => true;

        public abstract void SetCookie();
        public abstract void InitDynamicResources(string family, ResourceDictionary light, ResourceDictionary dark);
        public abstract Task<IEnumerable<GalleryItem>> GetRecentItemsAsync(int page);
        public virtual Task<string> ResolveImageUrl(GalleryItem item) => Task.FromResult(item.RawUrl);
    }
}