using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using Comet.Core;

namespace Comet.Play.Model
{
    public class User : AggregateRoot
    {
        public User()
        {
            ExternalUsers = new List<ExternalUser>();
            UserDevices = new List<UserDevice>();
            UserGuid = Guid.NewGuid();
            RegistrationDate = DateTime.Now;
            IsActive = true;
        }

        public User(int operatorId)
            : this()
        {
            OperatorId = operatorId;
        }

        [Key]
        public int UserId { get; private set; }

        public Guid UserGuid { get; private set; }
        public int OperatorId { get; private set; }
        public int? ProductId { get; private set; }
        public bool IsActive { get; private set; }

        //TODO Remove these
        public string SumoUserId { get; private set; }
        public string SumoUsername { get; private set; }
        public string SumoPassword { get; private set; }
        public string OperatorUserId { get; private set; }
        public string OperatorUsername { get; private set; }
        public string OperatorPassword { get; private set; }
        public string OperatorSalt { get; private set; }
        public DateTime? LatestLogin { get; private set; }
        public DateTime? RegistrationDate { get; private set; }

        public virtual Product Product { get; private set; }
        public virtual IList<ExternalUser> ExternalUsers { get; private set; }
        public virtual IList<UserDevice> UserDevices { get; private set; }

        public void SetIsActive(bool isActive)
        {
            IsActive = isActive;
        }

        public void SetProduct(Product product)
        {
            Product = product;
            ProductId = product.ProductId;
        }

        public void SetLatestLoginNow()
        {
            LatestLogin = DateTime.Now;
        }

        public ExternalUser AddNewExternalUser(int externalTypeId)
        {
            var externalUser = new ExternalUser(externalTypeId, OperatorId);
            ExternalUsers.Add(externalUser);
            return externalUser;
        }

        public ExternalUser AddExternalUser(ExternalUser externalUser)
        {
            ExternalUsers.Add(externalUser);
            return externalUser;
        }

        public UserDevice AddUserDevice(string deviceId, int deviceTypeId)
        {
            var device = new UserDevice(UserId, deviceId, deviceTypeId);
            UserDevices.Add(device);
            return device;
        }

        //TODO Remove
        public void UpdateSomeStuff()
        {
            var externalOperatorUser = ExternalUsers.FirstOrDefault(e => e.IsActive && e.ExternalUserTypeId == 2);
            var externalProviderUser = ExternalUsers.FirstOrDefault(e => e.IsActive && e.ExternalUserTypeId == 1);

            if (externalOperatorUser != null) {
                OperatorUserId = externalOperatorUser.ExternalId;
                OperatorUsername = externalOperatorUser.Username;
                OperatorPassword = externalOperatorUser.Password;
                OperatorSalt = externalOperatorUser.PasswordSalt;
            }

            if (externalProviderUser != null) {
                SumoUserId = externalProviderUser.ExternalId;
                SumoUsername = !string.IsNullOrEmpty(externalProviderUser.Username) ? externalProviderUser.Username : string.Format("{0}_{1}@cometuser.junse.se", Guid.NewGuid(), OperatorId);
                SumoPassword = externalProviderUser.Password;
            }
            if (string.IsNullOrEmpty(SumoUsername)) {
                SumoUsername = string.Format("{0}_{1}@cometuser.junse.se", Guid.NewGuid(), OperatorId);
            }
        }
    }

    public enum ExternalUserType
    {
        Provider = 1,
        Operator = 2
    }
}