using BankDataModels.Models;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using BankContracts.BindingModels;
using BankContracts.ViewModels;

namespace BankDatabaseImplement.Models
{
    public class Deposit : IDepositModel
    {
        public int Id { get; set; }
        [Required]
        public int WorkerId { get; set; }
        public virtual Worker? Worker { get; set; }
        [Required]
        public double Sum { get; set; }
        [Required]
        public DateOnly OpeningDate { get; set; }
        [ForeignKey("DepositId")]
        public virtual List<DepositCurrency> Currencies { get; set; } = new();
        [ForeignKey("DepositId")]
        public virtual List<ClientDeposit> Clients { get; set; } = new();
        [ForeignKey("DepositId")]
        public virtual List<Refill> Refills { get; set; } = new();
        private Dictionary<int, ICurrencyModel>?
            _depositCurrencies
        { get; set; } = null;
        [NotMapped]
        public Dictionary<int, ICurrencyModel> DepositCurrencies
        {
            get
            {
                if (_depositCurrencies == null)
                {
                    _depositCurrencies = Currencies.ToDictionary(
                        x => x.CurrencyId,
                        x => (x.Currency as ICurrencyModel)
                    );
                }
                return _depositCurrencies;
            }
        }
        public static Deposit? Create(DepositBindingModel model)
        {
            if (model == null)
                return null;
            return new Deposit
            {
                Id = model.Id,
                WorkerId = model.WorkerId,
                Sum = model.Sum,
            };
        }
        public void Update(DepositBindingModel model)
        {
            if (model == null)
                return;
            Id = model.Id;
            WorkerId = model.WorkerId;
            Sum = model.Sum;
        }
        public DepositViewModel GetViewModel => new()
        {
            Id = Id,
            WorkerId = WorkerId,
            Sum = Sum,
        };
    }
}