using System.Text.Json.Serialization;

namespace Strata.SqlTools.SqlServer.ExpressionFactory.Query;

public class Value
{
    public string ColumnAlias { get; }
    public string Calculation { get; }
    public IEnumerable<int> CalculationDataColumnIds { get; }
    public IEnumerable<string> AliasedIds { get; }

    public IEnumerable<CalculationFilterGroup> FilterGroups { get; }

    public Value() : this(string.Empty, string.Empty, new int[0], new string[0], new CalculationFilterGroup[0])
    {
        // FilterGroups = new List<CalculationFilterGroup>();
    }

    [JsonConstructor]
    public Value(string columnAlias, string calculation, IEnumerable<int> calculationDataColumnIds, IEnumerable<string> aliasedIds, IEnumerable<CalculationFilterGroup> filterGroups)
    {
        ColumnAlias = columnAlias;
        Calculation = calculation;
        CalculationDataColumnIds = calculationDataColumnIds ?? Array.Empty<int>();
        AliasedIds = aliasedIds ?? aliasedIds ?? Array.Empty<string>();
        FilterGroups = filterGroups?.Where(x => x.IsValid()).ToList() ?? new List<CalculationFilterGroup>();
    }
}