using System.Globalization;
using CinemaLib.API;
using Jellyfin.Database.Implementations.Entities;
using Jellyfin.Data.Enums;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Model.Querying;

namespace Jellyfin.Plugin.Cinema;

/// <summary>
/// TV Series folder item from Cinema.
/// </summary>
public sealed class CinemaTvSeries : Series, ICinemaChildrenCount
{
  private CinemaSubfolderHelper _helper;

  public CinemaTvSeries()
  {
    this._helper = new CinemaSubfolderHelper(this, FilterSortBy.Episode);
  }

  public override List<string> GetUserDataKeys()
  {
    return new List<string>() { ExternalId };
  }

  #region ICinemaChildrenCountMembers

  public int ChildrenCount
  {
    get => _helper.ChildrenCount;
    set => _helper.ChildrenCount = value;
  }

  public int TotalChildrenCount
  {
    get => _helper.TotalChildrenCount;
    set => _helper.TotalChildrenCount = value;
  }

  #endregion

  public sealed override string GetClientTypeName() => BaseItemKind.Series.ToString();

  public override int GetChildCount(User user)
  {
    return _helper.ChildrenCount;
  }

  public override int GetRecursiveChildCount(User user)
  {
    return _helper.TotalChildrenCount;
  }

  /// <summary>
  /// Always false as it causes iteration of all our items that degrades performance
  /// in the CinemaTvShowsFolder.
  /// </summary>
  public override bool SupportsPlayedStatus => false;

  /// <summary>
  /// Let the hack in <see cref="CinemaLibraryManager"/> find us.
  /// </summary>
  public override string CreatePresentationUniqueKey() => Id.ToString("N", CultureInfo.InvariantCulture);

  public override List<BaseItem> GetChildren(User user, bool includeLinkedChildren, InternalItemsQuery query)
  {
    return (List<BaseItem>)GetItemsInternal(query).Items;
  }

  protected override QueryResult<BaseItem> GetItemsInternal(InternalItemsQuery query)
  {
    QueryResult<BaseItem> result = _helper.GetItemsInternal<CinemaSeason>(query, true);

    // Set series identifier on all seasons
    foreach (var i in result.Items)
      if (i is CinemaSeason season)
      {
        season.SeriesId = Id;
        season.SeriesName = Name;
      }

    return result;
  }
}