using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Claims;
using xCommons.Constants;
using xCommons.Extensions;
using xCommons.Helpers;
using xExceptions.Constants;
using xIdentityModels.Constants;
using xModels.Base;

namespace xIdentityModels.Models {
    public class XUserClaimsInfoDto : XBaseDto {
        //
        #region Properties ...
        public string AccessToken { get; }
        public string RefreshToken { get; }
        public long ExpiresAt { get; }
        public string UserId { get; }
        public string UserName { get; }
        public string FirstName { get; }
        public string LastName { get; }
        public string Picture { get; }
        public string Email { get; }
        public string PhoneNumber { get; }
        public XGender Gender { get; }
        public bool IsBanned { get; }
        public bool IsEnabled { get; }
        public bool EmailConfirmed { get; }
        public bool PhoneNumberConfirmed { get; }
        public long? ExpiredOn { get; }
        public long? AuthenticatedOn { get; }
        public DateTime? BrithDate { get; }
        public IEnumerable<string> Issuers { get; } = new HashSet<string> ();
        public IEnumerable<string> Audiences { get; } = new HashSet<string> ();
        public IEnumerable<string> ClientIds { get; } = new HashSet<string> ();
        public IEnumerable<string> Scopes { get; } = new HashSet<string> ();
        public IEnumerable<string> Roles { get; } = new HashSet<string> ();
        #endregion

        //
        public XUserClaimsInfoDto () { }

        public XUserClaimsInfoDto (
            string accessToken,
            string refreshToken,
            long expiresAt,
            IEnumerable<Claim> claims
        ) {
            //
            // refreshToken.IsNullOrEmpty ()
            if (claims.IsNull () ||
                accessToken.IsNullOrEmpty ()) {
                XException.InvalidArgs.Throw ();
            }

            //
            // Attach XLogin Properties ...
            AccessToken = accessToken;
            RefreshToken = refreshToken;
            ExpiresAt = expiresAt;

            //
            if (!claims.IsNull ()) {
                UserId = claims.FirstOrDefault (c => c.Type == XCustomClaims.UserId)?.Value ?? "";
                UserName = claims.FirstOrDefault (c => c.Type == XCustomClaims.UserName)?.Value ?? "";
                FirstName = claims.FirstOrDefault (c => c.Type == XCustomClaims.FirstName)?.Value ?? "";
                LastName = claims.FirstOrDefault (c => c.Type == XCustomClaims.LastName)?.Value ?? "";
                Picture = claims.FirstOrDefault (c => c.Type == XCustomClaims.Picture)?.Value ?? "";
                Email = claims.FirstOrDefault (c => c.Type == XCustomClaims.Email)?.Value ?? null;
                PhoneNumber = claims.FirstOrDefault (c => c.Type == XCustomClaims.PhoneNumber)?.Value ?? null;

                //
                // Handle Gender ...
                var genders = ObjectHelper.ToEnumerableKeys<XGender> ();
                var genderStr = claims.FirstOrDefault (c => c.Type == XCustomClaims.Gender).Value ?? null;
                if (genderStr.IsNullOrEmpty ()) {
                    Gender = XGender.Male;
                } else {
                    Gender = genderStr.GetValue<XGender> ();
                }

                //
                // Handle IsBanned ...
                var isBannedStr = claims.FirstOrDefault (c => c.Type == XCustomClaims.IsBanned).Value ?? null;
                if (isBannedStr.IsNullOrEmpty ()) {
                    IsBanned = false;
                } else {
                    //
                    var isBanned = false;
                    Boolean.TryParse (isBannedStr, out isBanned);

                    //
                    IsBanned = isBanned;
                }

                //
                // Handle IsEnabled ...
                var isEnabledStr = claims.FirstOrDefault (c => c.Type == XCustomClaims.IsEnabled).Value ?? null;
                if (isEnabledStr.IsNullOrEmpty ()) {
                    IsEnabled = false;
                } else {
                    //
                    var isEnabled = false;
                    Boolean.TryParse (isEnabledStr, out isEnabled);

                    //
                    IsEnabled = isEnabled;
                }

                //
                // Handle Email Confirmed ...
                var emailConfirmedStr = claims.FirstOrDefault (c => c.Type == XCustomClaims.EmailVerified).Value ?? null;
                if (emailConfirmedStr.IsNullOrEmpty ()) {
                    EmailConfirmed = false;
                } else {
                    //
                    var emailConfirmed = false;
                    Boolean.TryParse (emailConfirmedStr, out emailConfirmed);

                    //
                    EmailConfirmed = emailConfirmed;
                }

                //
                // Handle PhoneNumber Confirmed ...
                var phoneNumberConfirmedStr = claims.FirstOrDefault (c => c.Type == XCustomClaims.PhoneNumberVerified).Value ?? null;
                if (phoneNumberConfirmedStr.IsNullOrEmpty ()) {
                    PhoneNumberConfirmed = false;
                } else {
                    //
                    var phoneNumberConfirmed = false;
                    Boolean.TryParse (phoneNumberConfirmedStr, out phoneNumberConfirmed);

                    //
                    PhoneNumberConfirmed = phoneNumberConfirmed;
                }

                //
                // Handle ExpiredOn ...
                var expiredOnStr = claims.FirstOrDefault (c => c.Type == XCustomClaims.ExpiredOn).Value ?? null;
                if (expiredOnStr.IsNullOrEmpty ()) {
                    ExpiredOn = null;
                } else {
                    //
                    long expiredOn = 0;
                    long.TryParse (expiredOnStr, out expiredOn);

                    //
                    ExpiredOn = expiredOn;
                }

                //
                // Handle AuthenticatedOn ...
                var authenticatedOnStr = claims.FirstOrDefault (c => c.Type == XCustomClaims.AuthenticatedOn).Value ?? null;
                if (authenticatedOnStr.IsNullOrEmpty ()) {
                    AuthenticatedOn = null;
                } else {
                    //
                    long authenticatedOn = 0;
                    long.TryParse (authenticatedOnStr, out authenticatedOn);

                    //
                    AuthenticatedOn = authenticatedOn;
                }

                //
                // Handle BrithDate ...
                var brithDateStr = claims.FirstOrDefault (c => c.Type == XCustomClaims.BrithDate)?.Value ?? "";
                if (brithDateStr.IsNullOrEmpty ()) {
                    // BrithDate = null;
                } else {
                    //
                    DateTime bDate;
                    DateTime.TryParse (brithDateStr, out bDate);

                    //
                    BrithDate = bDate;
                }

                //
                Issuers = claims.Where (c => c.Type == XCustomClaims.Issuer) ?
                    .Select (c => c.Value) ?? new HashSet<string> ();
                Audiences = claims.Where (c => c.Type == XCustomClaims.Audience) ?
                    .Select (c => c.Value) ?? new HashSet<string> ();
                ClientIds = claims.Where (c => c.Type == XCustomClaims.ClientId) ?
                    .Select (c => c.Value) ?? new HashSet<string> ();
                Scopes = claims.Where (c => c.Type == XCustomClaims.Scope) ?
                    .Select (c => c.Value) ?? new HashSet<string> ();
                Roles = claims.Where (c => c.Type == XCustomClaims.Role) ?
                    .Select (c => c.Value) ?? new HashSet<string> ();
            }
        }
    }
}