using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Serwer.Core.Domain
{
    public class User
    {
        public Guid Id { get; protected set; }
        public string Email { get; protected set; }
        public string Name { get; protected set; }
        public string Surname { get; protected set; }
        public string Login { get; protected set; }
        public string Password { get; protected set; }
        public DateTime CreatedAt { get; protected set; }
        public DateTime UpdatedAt { get; protected set; }

        protected User() { }
        public User(string email, string name, string surname, string login, string password)
        {
            Id = Guid.NewGuid();
            SetEmail(email);
            SetName(name);
            SetSurname(surname);
            SetLogin(login);
            SetPassword(password);
        }

        public void SetEmail(string email)
        {
            if (string.IsNullOrWhiteSpace(email))
            {
                throw new Exception("Email cannot be empty");
            }
            if (Email == email)
            {
                return;
            }

            Email = email;
            UpdatedAt = DateTime.UtcNow;
        }

        public void SetName(string name)
        {
            if (string.IsNullOrWhiteSpace(name))
            {
                throw new Exception("Name cannot be empty");
            }
            if (Name == name)
            {
                return;
            }

            Name = name;
            UpdatedAt = DateTime.UtcNow;
        }

        public void SetSurname(string surname)
        {
            if (string.IsNullOrWhiteSpace(surname))
            {
                throw new Exception("Surname cannot be empty");
            }
            if (Surname == surname)
            {
                return;
            }

            Surname = surname;
            UpdatedAt = DateTime.UtcNow;
        }

        public void SetLogin(string login)
        {
            if (string.IsNullOrWhiteSpace(login))
            {
                throw new Exception("Login cannot be empty");
            }
            if (Login == login)
            {
                return;
            }

            Login = login;
            UpdatedAt = DateTime.UtcNow;
        }

        public void SetPassword(string password)
        {
            if (string.IsNullOrWhiteSpace(password))
            {
                throw new Exception("Password cannot be empty");
            }
            if (Password == password)
            {
                return;
            }

            Password = password;
            UpdatedAt = DateTime.UtcNow;
        }
    }
}