using System.Collections.Generic;
using Umbraco.Cms.Core.Models;

namespace Umbraco.Cms.Infrastructure.PublishedCache.Persistence
{
    /// <summary>
    /// Defines a data source for NuCache.
    /// </summary>
    public interface INuCacheContentService
    {
        // TODO: For these required sort orders, would sorting on Path 'just work'?
        ContentNodeKit GetContentSource(int id);

        /// <summary>
        /// Returns all content ordered by level + sortOrder
        /// </summary>
        /// <remarks>
        /// MUST be ordered by level + parentId + sortOrder!
        /// </remarks>
        IEnumerable<ContentNodeKit> GetAllContentSources();

        /// <summary>
        /// Returns branch for content ordered by level + sortOrder
        /// </summary>
        /// <remarks>
        /// MUST be ordered by level + parentId + sortOrder!
        /// </remarks>
        IEnumerable<ContentNodeKit> GetBranchContentSources(int id);

        /// <summary>
        /// Returns content by Ids ordered by level + sortOrder
        /// </summary>
        /// <remarks>
        /// MUST be ordered by level + parentId + sortOrder!
        /// </remarks>
        IEnumerable<ContentNodeKit> GetTypeContentSources(IEnumerable<int> ids);

        ContentNodeKit GetMediaSource(int id);

        /// <summary>
        /// Returns all media ordered by level + sortOrder
        /// </summary>
        /// <remarks>
        /// MUST be ordered by level + parentId + sortOrder!
        /// </remarks>
        IEnumerable<ContentNodeKit> GetAllMediaSources();

        /// <summary>
        /// Returns branch for media ordered by level + sortOrder
        /// </summary>
        /// <remarks>
        /// MUST be ordered by level + parentId + sortOrder!
        /// </remarks>
        IEnumerable<ContentNodeKit> GetBranchMediaSources(int id); // must order by level, sortOrder

        /// <summary>
        /// Returns media by Ids ordered by level + sortOrder
        /// </summary>
        /// <remarks>
        /// MUST be ordered by level + parentId + sortOrder!
        /// </remarks>
        IEnumerable<ContentNodeKit> GetTypeMediaSources(IEnumerable<int> ids);

        void DeleteContentItem(IContentBase item);

        /// <summary>
        /// Refreshes the nucache database row for the <see cref="IContent"/>
        /// </summary>
        void RefreshContent(IContent content);

        /// <summary>
        /// Refreshes the nucache database row for the <see cref="IContentBase"/> (used for media/members)
        /// </summary>
        void RefreshEntity(IContentBase content);

        /// <summary>
        /// Rebuilds the database caches for content, media and/or members based on the content type ids specified
        /// </summary>
        /// <param name="groupSize">The operation batch size to process the items</param>
        /// <param name="contentTypeIds">If not null will process content for the matching content types, if empty will process all content</param>
        /// <param name="mediaTypeIds">If not null will process content for the matching media types, if empty will process all media</param>
        /// <param name="memberTypeIds">If not null will process content for the matching members types, if empty will process all members</param>
        void Rebuild(
            int groupSize = 5000,
            IReadOnlyCollection<int> contentTypeIds = null,
            IReadOnlyCollection<int> mediaTypeIds = null,
            IReadOnlyCollection<int> memberTypeIds = null);

        bool VerifyContentDbCache();

        bool VerifyMediaDbCache();

        bool VerifyMemberDbCache();
    }
}