using System.Collections.Generic;
using System.Linq;
using System.Text.Json.Serialization;

namespace AntDesign.TableModels
{
    public class QueryModel
    {
        public int PageIndex { get; }

        public int PageSize { get; }

        public IList<ITableSortModel> SortModel { get; private set; }

        public IList<ITableFilterModel> FilterModel { get; private set; }

        public QueryModel()
        {
            this.SortModel = new List<ITableSortModel>();
            this.FilterModel = new List<ITableFilterModel>();
        }

        internal QueryModel(int pageIndex, int pageSize)
        {
            this.PageSize = pageSize;
            this.PageIndex = pageIndex;
            this.SortModel = new List<ITableSortModel>();
            this.FilterModel = new List<ITableFilterModel>();
        }
    }

    public class QueryModel<TItem> : QueryModel
    {
        [JsonIgnore]
        public IQueryable<TItem> QueryableLambda { get; private set; }

        internal QueryModel(int pageIndex, int pageSize) : base(pageIndex, pageSize)
        {
        }

        internal void AddSortModel(ITableSortModel model)
        {
            SortModel.Add(model);
        }

        internal void AddFilterModel(ITableFilterModel model)
        {
            FilterModel.Add(model);
        }

        internal void SetQueryableLambda(IQueryable<TItem> query)
        {
            this.QueryableLambda = query;
        }
    }
}