using System.Text.Json;
using GB5Shared.DTO.Ice;
using IceImportDAL.DTO.IceImportPipeline;

namespace IceImportBLL.AddonFieldAccumulator;

public class AddonFieldAccumulator : IAddonFieldAccumulator
{
    public const string AddonFieldKey = "FeAddon";

    public void Apply(MappedEntityRowDTO row, IReadOnlyList<(IceMapDetailsDTO Detail, object? Value)> resolvedFields)
    {
        var addonFields = resolvedFields
            .Where(f => !string.IsNullOrWhiteSpace(f.Detail.IceMapDetailsAddonFields))
            .ToList();

        if (addonFields.Count == 0) return;

        var bag = new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase);
        foreach (var (detail, value) in addonFields)
            bag[detail.IceMapDetailsAddonFields!.Trim()] = value;

        row.Fields[AddonFieldKey] = JsonSerializer.Serialize(bag);
    }
}