using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
using TravelCompanyContracts.BindingModels;
using TravelCompanyContracts.ViewModels;
using TravelCompanyDataModels.Models;

namespace TravelCompanyFileImplement.Models
{
    [DataContract]
    public class Condition : IConditionModel
    {
        [DataMember]
        public int Id { get; private set; }
        [DataMember]
        public string ConditionName { get; private set; } = string.Empty;
        [DataMember]
        public double Cost { get; set; }
        public static Condition? Create(ConditionBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new Condition()
            {
                Id = model.Id,
                ConditionName = model.ConditionName,
                Cost = model.Cost
            };
        }
        public static Condition? Create(XElement element)
        {
            if (element == null)
            {
                return null;
            }
            return new Condition()
            {
                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
                ConditionName = element.Element("ConditionName")!.Value,
                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
            };
        }
        public void Update(ConditionBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            ConditionName = model.ConditionName;
            Cost = model.Cost;
        }
        public ConditionViewModel GetViewModel => new()
        {
            Id = Id,
            ConditionName = ConditionName,
            Cost = Cost
        };
        public XElement GetXElement => new("Condition",
        new XAttribute("Id", Id),
        new XElement("ConditionName", ConditionName),
        new XElement("Cost", Cost.ToString()));
    }
}