using PrecastConcretePlantContracts.BindingModels;
using PrecastConcretePlantContracts.ViewModels;
using PrecastConcretePlantDataModels.Models;
using System.Xml.Linq;

namespace PrecastConcretePlantFileImplement.Models
{
    public class Reinforced : IReinforcedModel
    {
        public int Id { get; private set; }
        public string ReinforcedName { get; private set; } = string.Empty;
        public double Price { get; private set; }
        public Dictionary<int, int> Components { get; private set; } = new();

        private Dictionary<int, (IComponentModel, int)>? _reinforcedComponents = null;
        public Dictionary<int, (IComponentModel, int)> ReinforcedComponents
        {
            get
            {
                if (_reinforcedComponents == null)
                {
                    var source = DataFileSingleton.GetInstance();
                    _reinforcedComponents = Components.ToDictionary(x => x.Key, y =>
                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
                    y.Value));
                }
                return _reinforcedComponents;
            }
        }
        public static Reinforced? Create(ReinforcedBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new Reinforced()
            {
                Id = model.Id,
                ReinforcedName = model.ReinforcedName,
                Price = model.Price,
                Components = model.ReinforcedComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
            };
        }
        public static Reinforced? Create(XElement element)
        {
            if (element == null)
            {
                return null;
            }
            return new Reinforced()
            {
                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
                ReinforcedName = element.Element("ReinforcedName")!.Value,
                Price = Convert.ToDouble(element.Element("Price")!.Value),
                Components =
                element.Element("ReinforcedComponents")!.Elements("ReinforcedComponent")
                .ToDictionary(x =>
                Convert.ToInt32(x.Element("Key")?.Value), x =>
                Convert.ToInt32(x.Element("Value")?.Value))
            };
        }
        public void Update(ReinforcedBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            ReinforcedName = model.ReinforcedName;
            Price = model.Price;
            Components = model.ReinforcedComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
            _reinforcedComponents = null;
        }
        public ReinforcedViewModel GetViewModel => new()
        {
            Id = Id,
            ReinforcedName = ReinforcedName,
            Price = Price,
            ReinforcedComponents = ReinforcedComponents
        };
        public XElement GetXElement => new("Reinforced",
            new XAttribute("Id", Id),
            new XElement("ReinforcedName", ReinforcedName),
            new XElement("Price", Price.ToString()),
            new XElement("ReinforcedComponents", Components.Select(x =>
                new XElement("ReinforcedComponent",
                new XElement("Key", x.Key),
                new XElement("Value", x.Value)))
                .ToArray()));
        }
}