using System.Collections.Generic;
using AyaNova.DataList;
using AyaNova.Biz;
using Newtonsoft.Json;


namespace AyaNova.Models
{
    internal sealed class DataListTableProcessingOptions : DataListProcessingBase
    {
        internal List<string> Columns { get; set; }
        internal const int MaxPageSize = 1000;
        internal const int DefaultOffset = 0;
        internal const int DefaultLimit = 25;
        internal int? Offset { get; set; }
        internal int? Limit { get; set; }

        internal DataListTableProcessingOptions(
            DataListTableRequest request,
            IDataListProcessing dataList,
            DataListSavedColumnView savedView,
            DataListSavedFilter savedFilter,
            long userId,
            AuthorizationRoles userRoles)
        {
            //set some values from request
            Limit = request.Limit;
            Offset = request.Offset;
            base.ClientCriteria = request.ClientCriteria;
            base.DataListKey = request.DataListKey;

            //SET COLUMNS
            Columns = JsonConvert.DeserializeObject<List<string>>(savedView.Columns);

            //SET SORTBY
            base.SortBy = JsonConvert.DeserializeObject<Dictionary<string, string>>(savedView.Sort);

            //SET FILTER
            if (request.FilterId != 0)
                base.Filter = JsonConvert.DeserializeObject<List<DataListFilterOption>>(savedFilter.Filter);

            //SERVER FILTER PROCESSING HERE CODE SEE DATALISTFETCHER


/*
     List<DataListFilterOption> StaticServerFilterOptions = new List<DataListFilterOption>();
            if (DataList is IDataListInternalCriteria)
                StaticServerFilterOptions = ((IDataListInternalCriteria)DataList).DataListInternalCriteria(userId, userRoles, dataListTableOptions);


            // //Get the public field key names in a list from the listview
            // List<string> PublicListViewFieldList = listOptions.Columns;

            //Get the combination of all unique fields from both StaticServerFilterOptions and listOptions   
            //NOTE: this assumes no list options filter colums that don't exist in listoptions.columns       
            var AllUniqueFieldKeysRequiredForQuery = dataListTableOptions.Columns.Union(StaticServerFilterOptions.Select(z => z.Column).ToList()).ToList();

            //Add the internal filters into the listoptions existing filters
            //NOTE: There is currently no overlap between internal filtered columns and filters coming from the client
            foreach (DataListFilterOption dfo in StaticServerFilterOptions)
                dataListTableOptions.Filter.Add(dfo);
*/


        }
    }
}