using SushiBarContracts.BindingModels;
using SushiBarContracts.ViewModels;
using SushiBarDataModels.Enums;
using SushiBarDataModels.Models;
using System.ComponentModel.DataAnnotations;
using System.Runtime.Serialization;

namespace SushiBarDatabaseImplement.Models
{
    [DataContract]
    public class Order : IOrderModel
    {
        [Required]
        [DataMember]
        public int SushiId { get; set; }
        [Required]
        [DataMember]
        public int Count { get; set; }
        [Required]
        [DataMember]
        public int ClientId { get; set; }
        [Required]
        [DataMember]
        public double Sum { get; set; }
        [Required]
        [DataMember]
        public OrderStatus Status { get; set; }
        [Required]
        [DataMember]
        public DateTime DateCreate { get; set; }
        [DataMember]
        public DateTime? DateImplement { get; set; }
        [DataMember]
        public int Id { get; set; }
        public virtual Client? Client { get; set; }
        public Sushi? Sushi { get; set; }
        public int? ImplementerId { get; private set; }

        public virtual Implementer? Implementer { get; set; } = new();

        public static Order? Create(SushiBarDatabase context, OrderBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }
            return new Order()
            {
                Id = model.Id,
                SushiId = model.SushiId,
                Count = model.Count,
                Sum = model.Sum,
                Status = model.Status,
                DateCreate = model.DateCreate,
                DateImplement = model.DateImplement,
                ClientId = model.ClientId,
                ImplementerId = model.ImplementerId,
                Implementer = model.ImplementerId.HasValue ? context.Implementers.First(x => x.Id == model.ImplementerId) : null,
            };
        }

        public void Update(SushiBarDatabase context, OrderBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
            Status = model.Status;
            DateImplement = model.DateImplement;
            ImplementerId = model.ImplementerId;
            Implementer = model.ImplementerId.HasValue ? context.Implementers.First(x => x.Id == model.ImplementerId) : null;
        }

        public OrderViewModel GetViewModel
        {
            get {
                using var context = new SushiBarDatabase();
                return new OrderViewModel
                {
                    Id = Id,
                    ClientId = ClientId,
                    ClientFIO = context.Clients.FirstOrDefault(x => x.Id == ClientId)?.ClientFIO ?? string.Empty,
                    SushiId = SushiId,
                    SushiName = context.ListSushi.FirstOrDefault(x => x.Id == SushiId)?.SushiName ?? string.Empty,
                    ImplementerId = ImplementerId,
                    ImplementerFIO = Implementer?.ImplementerFIO ?? string.Empty,
                    Count = Count,
                    Sum = Sum,
                    Status = Status,
                    DateCreate = DateCreate,
                    DateImplement = DateImplement,
                };
            } 
        }
    }
}