using System;
using System.Data.Entity;
using System.Net;
using System.Security.Claims;
using System.Threading.Tasks;
using Microsoft.AspNet.Identity;
using Microsoft.AspNet.Identity.EntityFramework;
using Microsoft.AspNet.Identity.Owin;
using Microsoft.Owin;
using Microsoft.Owin.Security;
using WebExtensions.App_Helpers;

namespace WebExtensions.Models
{
    // You can add profile data for the user by adding more properties to your ApplicationUser class, please visit http://go.microsoft.com/fwlink/?LinkID=317594 to learn more.
    public class ApplicationUser : IdentityUser
    {
        public async Task<ClaimsIdentity> GenerateUserIdentityAsync(UserManager<ApplicationUser> manager)
        {


            // Note the authenticationType must match the one defined in CookieAuthenticationOptions.AuthenticationType
            var userIdentity = await manager.CreateIdentityAsync(this, DefaultAuthenticationTypes.ApplicationCookie);
            // Add custom user claims here

            return userIdentity;
        }
    }

    public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
    {

        private static DataLayer oDL = new DataLayer();
        private static string cConnString = oDL.App_BuildUserStoreConnectionString();
        public ApplicationDbContext()
            : base(cConnString)
        {
        }

        public ApplicationDbContext(string cConnString)
            : base(cConnString)
        {
        }
        public static ApplicationDbContext Create(string cConnString)
        {
            return new ApplicationDbContext(cConnString);
        }
        public static ApplicationDbContext Create()
        {
            return new ApplicationDbContext();
        }
    }

    public class EmailService : IIdentityMessageService
    {
        public Task SendAsync(IdentityMessage message)
        {
            // Plug in your email service here to send an email.
            return Task.FromResult(0);
        }
    }

    public class SmsService : IIdentityMessageService
    {
        public Task SendAsync(IdentityMessage message)
        {
            // Plug in your SMS service here to send a text message.
            return Task.FromResult(0);
        }
    }

    // Configure the application user manager used in this application. UserManager is defined in ASP.NET Identity and is used by the application.
    public class ApplicationUserManager : UserManager<ApplicationUser>
    {
        public ApplicationUserManager(IUserStore<ApplicationUser> store)
            : base(store)
        {
        }

        public static ApplicationUserManager Create(IdentityFactoryOptions<ApplicationUserManager> options, IOwinContext context)
        {
            var manager = new ApplicationUserManager(new UserStore<ApplicationUser>(context.Get<ApplicationDbContext>()));
            // Configure validation logic for usernames
            manager.UserValidator = new UserValidator<ApplicationUser>(manager)
            {
                AllowOnlyAlphanumericUserNames = false,
                RequireUniqueEmail = true
            };

            // Configure validation logic for passwords
            //manager.PasswordValidator = new PasswordValidator
            //{
            //    RequiredLength = 6,
            //    RequireNonLetterOrDigit = false,
            //    RequireDigit = false,
            //    RequireLowercase = false,
            //    RequireUppercase = false,
            //};

            //// Configure user lockout defaults
            //manager.UserLockoutEnabledByDefault = true;
            //manager.DefaultAccountLockoutTimeSpan = TimeSpan.FromMinutes(5);
            //manager.MaxFailedAccessAttemptsBeforeLockout = 5;

            //// Register two factor authentication providers. This application uses Phone and Emails as a step of receiving a code for verifying the user
            //// You can write your own provider and plug it in here.
            //manager.RegisterTwoFactorProvider("Phone Code", new PhoneNumberTokenProvider<ApplicationUser>
            //{
            //    MessageFormat = "Your security code is {0}"
            //});
            //manager.RegisterTwoFactorProvider("Email Code", new EmailTokenProvider<ApplicationUser>
            //{
            //    Subject = "Security Code",
            //    BodyFormat = "Your security code is {0}"
            //});
            //manager.EmailService = new EmailService();
            //manager.SmsService = new SmsService();

            //var dataProtectionProvider = options.DataProtectionProvider;
            //if (dataProtectionProvider != null)
            //{
            //    manager.UserTokenProvider =
            //        new DataProtectorTokenProvider<ApplicationUser>(dataProtectionProvider.Create("ASP.NET Identity"))
            //        {
            //            TokenLifespan = TimeSpan.FromHours(3)
            //        };
            //}
            return manager;
        }
    }

    // Configure the application sign-in manager which is used in this application.
    public class ApplicationSignInManager : SignInManager<ApplicationUser, string>
    {
        public ApplicationSignInManager(ApplicationUserManager userManager, IAuthenticationManager authenticationManager)
            : base(userManager, authenticationManager)
        {
        }

        public override Task<ClaimsIdentity> CreateUserIdentityAsync(ApplicationUser user)
        {
            return user.GenerateUserIdentityAsync((ApplicationUserManager)UserManager);
        }

        public static ApplicationSignInManager Create(IdentityFactoryOptions<ApplicationSignInManager> options, IOwinContext context)
        {
            return new ApplicationSignInManager(context.GetUserManager<ApplicationUserManager>(), context.Authentication);
        }
    }
}