using PersonnelDepartmentContracts.BindingModels;
using PersonnelDepartmentContracts.ViewModels;
using PersonnelDepartmentDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PersonnelDepartmentDatabaseImplement.Models
{
	public class Deal : IDealModel
	{
		[Required]
		public DateTime DateFrom { get; set; }
		public DateTime DateTo { get; set; }
		[Required]
		public int PositionId { get; set; }
		[Required]
		public int EmployeeId { get; set; }
		[Required]
		public int DepartmentId { get; set; }
		[Required]
		public int TypeId { get; set; }
		public int Id { get; set; }
		public virtual Position Position { get; set; }
		public virtual Employee Employee { get; set; }
		public virtual Department Department { get; set; }
		public virtual Type Type { get; set; }

		public static Deal? Create(DealBindingModel model)
		{
			if(model == null)
			{
				return null;
			}
			return new Deal
			{
				Id = model.Id,
				DateFrom = DateTime.SpecifyKind(model.DateFrom, DateTimeKind.Utc),
				DateTo = DateTime.SpecifyKind(model.DateTo, DateTimeKind.Utc),
				PositionId = model.PositionId,
				EmployeeId = model.EmployeeId,
				DepartmentId = model.DepartmentId,
				TypeId = model.TypeId
			};
		}

		public void Update(DealBindingModel model)
		{
			if (model == null)
			{
				return;
			}
			DateFrom = DateTime.SpecifyKind(model.DateFrom, DateTimeKind.Utc);
			DateTo = DateTime.SpecifyKind(model.DateTo, DateTimeKind.Utc);
		}

		public DealViewModel GetViewModel => new()
		{
			Id = Id,
			DateFrom = DateFrom,
			DateTo = DateTo,
			PositionId = PositionId,
			EmployeeId = EmployeeId,
			DepartmentId = DepartmentId,
			TypeId = TypeId,
			PositionName = Position.Name,
			DepartmentName = Department.Name,
			EmployeeName = Employee.LastName + Employee.FirstName + Employee.Patronymic,
			TypeName = Type.Name
		};
	}
}