using System;

namespace Bitpapr.Washee.Domain
{
    public class TreatmentOrder : Entity<Guid>
    {
        public DateTime DeliveryDate { get; protected set; }
        public DateTime CreationDate { get; protected set; }
        public decimal TotalPrice { get; protected set; }
        public ICollection<TreatmentOrderLine> OrderLines { get; protected set; }
        public Customer Customer { get; private set; }
        public Employee Employee { get; private set; }

        public TreatmentOrder(Guid id) :
            base(id)
        {
            OrderLines = new List<TreatmentOrderLine>();
        }

        protected TreatmentOrder() :
            base(Guid.NewGuid())
        {
        }

        public void AddOrderLine(TreatmentOrderLine orderLine)
        {
            TotalPrice += orderLine.TreatmentPrice;
            OrderLines.Add(orderLine);
        }

        public void UpdateDeliveryDate(DateTime newDeliveryDate)
        {
            DeliveryDate = newDeliveryDate;
        }

        public static TreatmentOrder CreateOrder(Guid id, Customer customer, Employee employee,
            DateTime creationDate, DateTime deliveryDate)
        {
            if (deliveryDate < creationDate)
                throw new InvalidOperationException();

            TreatmentOrder order = new TreatmentOrder(id);
            order.Customer = customer;
            order.Employee = employee;
            order.CreationDate = creationDate;
            order.DeliveryDate = deliveryDate;

            return order;
        }
    }

    public class TreatmentOrderLine : Entity<long>
    {
        public PieceOfClothing PieceOfClothing { get; protected set; }
        public ClothingType ClothingType { get; protected set; }
        public TreatmentType TreatmentType { get; protected set; }
        public decimal TreatmentPrice { get; protected set; }

        public TreatmentOrderLine(long id, PieceOfClothing pieceOfClothing, ClothingType clothingType,
            TreatmentType treatmentType, decimal treatmentPrice)
            : base(id)
        {
            if (treatmentPrice < 0)
                throw new ArgumentOutOfRangeException(nameof(treatmentPrice));

            PieceOfClothing = pieceOfClothing;
            ClothingType = clothingType;
            TreatmentType = treatmentType;
            TreatmentPrice = treatmentPrice;
        }
    }
}