using ComputerStoreContracts.BindingModels;
using ComputerStoreContracts.ViewModels;
using ComputerStoreDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Azure.Core;
using ComputerStoreContracts.SearchModels;
using Microsoft.EntityFrameworkCore;
using System.Xml.Linq;

namespace ComputerStoreDatabaseImplement.Models
{
    public class Request : IRequestModel
    {
        public int ID { get; private set; }

        public int? OrderID { get; private set; }
        public virtual Order? Order { get; set; }

        public int? PCID { get; private set; }

        [Required]
        public double Price { get; private set; }

        [ForeignKey("RequestID")]
        public virtual List<RequestComponent> PCs { get; set; } = new();

        [ForeignKey("RequestID")]
        public virtual List<PC> PersonalComputers { get; set; } = new();

        [NotMapped]
        public List<(IComponentModel, int)> RequestComponents { get; set; } = new();

        public static Request? Create(ComputerStoreDatabase context, RequestBindingModel model)
        {
            if (model == null)
            {
                return null;
            }

            return new Request()
            {
                ID = model.ID,
                OrderID = model.OrderID,
                Price = model.Price,
                RequestComponents = model.RequestComponents,
            };
        }

        public void Update(RequestBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            Price = model.Price;
            PCID = model.PCID;
            OrderID = model.OrderID;
            RequestComponents = model.RequestComponents;
        }

        public void UpdatePCID(ComputerStoreDatabase context)
        {
            PCID = context.RequestComponents.First(x => x.RequestID == ID).PCID;
        }

        public RequestViewModel GetViewModel
        {
            get
            {
                var context = new ComputerStoreDatabase();
                return new RequestViewModel()
                {
                    ID = ID,
                    OrderID = OrderID,
                    Price = Price,
                    PCID = PCID,
                    PCName = context.PCS.FirstOrDefault(rec => rec.ID == PCID)?.Name
                };
            }
        }
    }
}