using LawFirmContracts.BindingModels;
using LawFirmContracts.ViewModels;
using LawFirmDataModels.Enums;
using LawFirmDataModels.Models;
using System.Xml.Linq;
using System.Runtime.Serialization;

namespace LawFirmFileImplement.Models
{
	[DataContract]
	public class Order : IOrderModel
    {
		[DataMember]
		public int Id { get; private set; }
		[DataMember]
		public int DocumentId { get; private set; }
		[DataMember]
		public int ClientId { get; set; }
		[DataMember]
		public int? ImplementerId { get; set; }
		[DataMember]
		public int Count { get; private set; }
		[DataMember]
		public double Sum { get; private set; }
		[DataMember]
		public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
		[DataMember]
		public DateTime DateCreate { get; private set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
		[DataMember]
		public DateTime? DateImplement { get; private set; }
		public static Order? Create(OrderBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }
            return new Order()
            {
                Id = model.Id,
                DocumentId = model.DocumentId,
				ClientId = model.ClientId,
				Count = model.Count,
                Sum = model.Sum,
                Status = model.Status,
                DateCreate = model.DateCreate,
                DateImplement = model.DateImplement,
                ImplementerId = model.ImplementerId
            };
        }
        public static Order? Create(XElement element)
        {
            if (element == null)
            {
                return null;
            }
            var dateImplement = element.Element("DateImplement")!.Value;
            var order = new Order()
            {
                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
                DocumentId = Convert.ToInt32(element.Element("DocumentId")!.Value),
                Count = Convert.ToInt32(element.Element("Count")!.Value),
                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
                Status = (OrderStatus)Convert.ToInt32(element.Element("Status")!.Value),
                ClientId = Convert.ToInt32(element.Element("ClientId")!.Value),
                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
                DateImplement = string.IsNullOrEmpty(dateImplement) ? null : Convert.ToDateTime(dateImplement),
                ImplementerId = Convert.ToInt32(element.Element("ImplementerId")!.Value),
            };
            DateTime.TryParse(element.Element("DateImplement")!.Value, out DateTime dateImpl);
            order.DateImplement = dateImpl;

            if (!Enum.TryParse(element.Element("Status")!.Value, out OrderStatus status))
            {
                return null;
            }
            order.Status = status;
            return order;
        }
        public void Update(OrderBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
            DocumentId = model.DocumentId;
            Count = model.Count;
            Sum = model.Sum;
            Status = model.Status;
            DateCreate = model.DateCreate;
            ImplementerId = model.ImplementerId;
            DateImplement = model.DateImplement;
            Id = model.Id;
        }
        public OrderViewModel GetViewModel => new()
        {
            DocumentId = DocumentId,
			ClientId = ClientId,
			Count = Count,
            Sum = Sum,
            DateCreate = DateCreate,
            DateImplement = DateImplement,
            Id = Id,
            Status = Status,
            ImplementerId = ImplementerId
        };
        public XElement GetXElement => new("Order",
          new XAttribute("Id", Id),
          new XElement("DocumentId", DocumentId),
          new XElement("Count", Count.ToString()),
          new XElement("Sum", Sum.ToString()),
          new XElement("Status", Status.ToString()),
          new XElement("DateCreate", DateCreate.ToString()),
          new XElement("DateImplement", DateImplement.ToString()),
          new XElement("ImplementerId", ImplementerId));
    }
}