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

namespace BankDatabaseImplement.Models
{
    public class Client : IClientModel
    {
        public string Snils { get; set; } = string.Empty;
        [Required]
        public string ClientSurname { get; set; } = string.Empty;
        [Required]
        public string ClientName { get; set; } = string.Empty;
        [Required]
        public string ClientPatronymic { get; set; } = string.Empty;
        [Required]
        public string Phone { get; set; } = string.Empty;
        public string Email { get; set; } = string.Empty;
        [Required]
        public string PasswordHash { get; set; } = string.Empty;
        [Required]
        public int WorkerId { get; set; }
        public virtual Worker? Worker { get; set; }
        [ForeignKey("ClientId")]
        public virtual List<ClientProgram> Programs { get; set; } = new();
        private Dictionary<int, IProgramModel>?
            _clientPrograms { get; set; } = null;
        [ForeignKey("ClientId")]
        public virtual List<ClientDeposit> Deposits { get; set; } = new();
        private Dictionary<int, IDepositModel>?
            _clientDeposits { get; set; } = null;
        [NotMapped]
        public Dictionary<int, IProgramModel> ClientPrograms
        {
            get
            {
                if (_clientPrograms == null)
                {
                    _clientPrograms = Programs.ToDictionary(
                        x => x.ProgramId,
                        x => (x.Program as IProgramModel)
                    );
                }
                return _clientPrograms;
            }
        }
        [NotMapped]
        public Dictionary<int, IDepositModel> ClientDeposits
        {
            get
            {
                if (_clientDeposits == null)
                {
                    _clientDeposits = Deposits.ToDictionary(
                        x => x.DepositId,
                        x => (x.Deposit as IDepositModel)
                    );
                }
                return _clientDeposits;
            }
        }
        public static Client? Create(ClientBindingModel model)
        {
            if (model == null)
                return null;
            return new Client
            {
                Snils = model.Snils,
                ClientSurname = model.ClientSurname,
                ClientName = model.ClientName,
                ClientPatronymic = model.ClientPatronymic,
                Phone = model.Phone,
                Email = model.Email ?? string.Empty,
                PasswordHash = model.PasswordHash,
                WorkerId = model.WorkerId,
            };
        }
        public void Update(ClientBindingModel model)
        {
            if (model == null)
                return;
            Snils = model.Snils;
            ClientSurname = model.ClientSurname;
            ClientName = model.ClientName;
            ClientPatronymic = model.ClientPatronymic;
            Phone = model.Phone;
            Email = model.Email ?? string.Empty;
            PasswordHash = model.PasswordHash;
            WorkerId = model.WorkerId;
        }
        public ClientViewModel GetViewModel => new()
        {
            Snils = Snils,
            ClientSurname = ClientSurname,
            ClientName = ClientName,
            ClientPatronymic = ClientPatronymic,
            Phone = Phone,
            Email = Email ?? string.Empty,
            PasswordHash = PasswordHash,
            WorkerId = WorkerId,
        };
    }
}