using RouteGuideContracts.BindingModels;
using RouteGuideContracts.ViewModels;
using RouteGuideDataModels.Enums;
using RouteGuideDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Threading.Tasks;

namespace RouteGuideDatabaseImplement.Models
{
    /// <summary>
    /// Сущность "Транспорт"
    /// </summary>
    public class Transport : ITransportModel<int>
    {
        /// <summary>
        /// Идентификатор
        /// </summary>
        public int Id { get; private set; }

        /// <summary>
        /// Номерной знак
        /// </summary>
        [Required]
        public string License { get; private set; } = string.Empty;

        /// <summary>
        /// Тип транспортного средства
        /// </summary>
        [Required]
        public TransportType Type { get; private set; } = TransportType.Автобус;

        /// <summary>
        /// Вместимость (количество пассажиров)
        /// </summary>
        [Required]
        public int Capacity { get; private set; }

        /// <summary>
        /// Идентификатор водителя
        /// </summary>
        [ForeignKey("DriverId")]
        public int DriverId { get; private set; }

        /// <summary>
        /// Сущность "Водитель"
        /// </summary>
        public virtual Driver Driver { get; private set; } = new();

        /// <summary>
        /// Создание модели
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public static Transport? Create(RouteGuideDatabase context, TransportBindingModel model)
        {
            if (model == null)
            {
                return null;
            }

            return new Transport()
            {
                Id = (int)model.Id,
                License = model.License,
                Type = model.Type,
                Capacity = model.Capacity,
                DriverId = (int)model.DriverId,
                Driver = context.Drivers
                    .FirstOrDefault(x => x.Id.Equals(model.DriverId))
            };
        }

        /// <summary>
        /// Изменение модели
        /// </summary>
        /// <param name="model"></param>
        public void Update(TransportBindingModel model)
        {
            if (model == null)
            {
                return;
            }

            License = model.License;
            Capacity = model.Capacity;
        }

        /// <summary>
        /// Получение модели
        /// </summary>
        public TransportViewModel GetViewModel => new()
        {
            Id = Id,
            License = License,
            Type = Type,
            Capacity= Capacity,
            DriverId = DriverId,
            DriverName = Driver.FullName
        };
    }
}