using ConfectioneryContracts.BindingModels;
using ConfectioneryContracts.ViewModels;
using ConfectioneryDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;

namespace ConfectioneryFileImplement.Models
{
    internal class Component : IComponentModel
    {
        public int Id { get; private set; }
        public string ComponentName { get; private set; } = string.Empty;
        public double Cost { get; set; }

        public static Component? Create(ComponentBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }
            return new Component()
            {
                Id = model.Id,
                ComponentName = model.ComponentName,
                Cost = model.Cost,
            };
        }

        public static Component? Create(XElement model)
        {
            if (model == null)
            {
                return null;
            }
            return new Component()
            {
                Id = Convert.ToInt32(model.Attribute("Id")!.Value),
                ComponentName = model.Element("ComponentName")!.Value,
                Cost = Convert.ToDouble(model.Element("Cost")!.Value),
            };
        }

        public void Update(ComponentBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
            ComponentName = model.ComponentName;
            Cost = model.Cost;
        }

        public ComponentViewModel GetViewModel => new()
        {
            Id = Id,
            ComponentName = ComponentName,
            Cost = Cost,
        };

        public XElement GetXElement => new("Component", 
            new XAttribute("Id", Id),
            new XElement("ComponentName", ComponentName),
            new XElement("Cost", Cost.ToString()));
    }
}