using FruitBank.Common.Interfaces;
using LinqToDB.Mapping;
using Mango.Nop.Core.Dtos;
using Mango.Nop.Core.Extensions;
using Newtonsoft.Json;
using Nop.Core;
using Nop.Core.Domain.Catalog;
using Nop.Core.Domain.Common;
using Nop.Core.Domain.Orders;
using System.Globalization;
using System.Linq.Expressions;

namespace FruitBank.Common.Dtos;

public class ProductDto : MgProductDto, IProductDto
{
    [NotColumn, JsonIgnore, System.Text.Json.Serialization.JsonIgnore]
    private static Expression<Func<ProductDto, GenericAttribute, bool>> RelationWithGenericAttribute => (orderItemDto, genericAttribute) =>
        orderItemDto.Id == genericAttribute.EntityId && genericAttribute.KeyGroup == nameof(Product);


    [Association(ThisKey = nameof(Id), OtherKey = nameof(GenericAttribute.EntityId), ExpressionPredicate = nameof(RelationWithGenericAttribute), CanBeNull = false)]
    public List<GenericAttribute> GenericAttributes { get; set; }

    public ProductDto() :base()
    { }
    public ProductDto(int productId) : base(productId)
    { }
    public ProductDto(Product product) : base(product)
    { }

    [NotColumn, JsonIgnore, System.Text.Json.Serialization.JsonIgnore]
    public bool IsMeasurable
    {
        get => GenericAttributes.GetValueOrDefault<bool>(nameof(IMeasurable.IsMeasurable));
        set
        {
            throw new Exception($"ProductDto.IsMeasurable not set");

            //Direkt legyen exception! - J.
            var ga = GenericAttributes.SingleOrDefault(x => x.Key == nameof(IMeasurable.IsMeasurable))!;
            ga.Value = value.ToString();
        }
    }

    [NotColumn, JsonIgnore, System.Text.Json.Serialization.JsonIgnore]
    public double Tare
    {
        get => GenericAttributes.GetValueOrDefault<double>(nameof(ITare.Tare));
        //get => CommonHelper.To<double>(GenericAttributes.SingleOrDefault(x => x.Key == nameof(ITare.Tare))?.Value ?? "0");
        set => throw new Exception($"ProductDto.Tare not set");
    }

    [NotColumn, JsonIgnore, System.Text.Json.Serialization.JsonIgnore]
    public double NetWeight
    {
        get => GenericAttributes.GetValueOrDefault<double>(nameof(IMeasuringNetWeight.NetWeight));
        //get => CommonHelper.To<double>(GenericAttributes.SingleOrDefault(x => x.Key == nameof(IMeasuringNetWeight.NetWeight))?.Value ?? "0");
        set => throw new Exception($"ProductDto.NetWeight not set");
    }

    [NotColumn, JsonIgnore, System.Text.Json.Serialization.JsonIgnore]
    public int IncomingQuantity
    {
        get => GenericAttributes.GetValueOrDefault<int>(nameof(IIncomingQuantity.IncomingQuantity));
        //get => CommonHelper.To<int>(GenericAttributes.SingleOrDefault(x => x.Key == nameof(IIncomingQuantity.IncomingQuantity))?.Value ?? "0");
        set => throw new Exception($"ProductDto.IncomingQuantity not set");
    }

    public bool HasMeasuringValues() => Id > 0 && NetWeight != 0 && IsMeasurable;
}