using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Complex.Domain.Entities;
namespace Complex.Application.PersonService
{
    public interface ISiteAccountlService
    {
        Person FindUserWithPhonenumber(string phoneNumber);
        string GetCode(string PhoneNumber);
        Person GetUser(string mobileNumber);
        LoginDto Login(string phoneNumber, string Code);
        void Logout(string mobileNumber);
        Person RegisterUser(string PhoneNumber);
    }

    public class SiteAccountlService : ISiteAccountlService
    //: IPortalService
    {
        // ==============================

        private IComplexDBContext _complexDBContext;
        // ==============================

        public SiteAccountlService(IComplexDBContext complexDBContext)
        {
            _complexDBContext = complexDBContext;
        }

        // ==============================
        public Person GetUser(string mobileNumber)
        {
            var user = _complexDBContext.Persons.SingleOrDefault(p => p.Id == mobileNumber);
            return user;
        }

        public string GetCode(string PhoneNumber)
        {
            Random random = new Random();
            string code = random.Next(1000, 9999).ToString();
            SmsCode smsCode = new SmsCode()
            {
                Code = code,
                InsertDate = DateTime.Now,
                PhoneNumber = PhoneNumber,
                RequestCount = 0,
                Used = false,
            };
            _complexDBContext.Add(smsCode);
            _complexDBContext.SaveChanges();

            return code;
        }

        public LoginDto Login(string phoneNumber, string Code)
        {
            var user = FindUserWithPhonenumber("09192530212");
            if (user != null)
            {
                return new LoginDto
                {
                    IsSuccess = true,
                    Person = user,
                };
            }
            var smsCode = _complexDBContext.SmsCodes.Where(p => p.PhoneNumber == phoneNumber
              && p.Code == Code).FirstOrDefault();
            if (smsCode == null)
            {
                return new LoginDto
                {
                    IsSuccess = false,
                    Message = "کد وارد شده صحیح نیست!",

                };
            }
            else
            {
                if (smsCode.Used == true)
                {
                    return new LoginDto
                    {
                        IsSuccess = false,
                        Message = "کد وارد شده صحیح نیست!",

                    };
                }
                ////
                ///
                smsCode.RequestCount++;

                smsCode.Used = true;
                _complexDBContext.SaveChanges();
                user = FindUserWithPhonenumber(phoneNumber);
                if (user != null)
                {
                    return new LoginDto
                    {
                        IsSuccess = true,
                        Person = user,
                    };
                }
                else
                {
                    user = RegisterUser(phoneNumber);
                    return new LoginDto
                    {
                        IsSuccess = true,
                        Person = user,
                    };
                }

            }
        }


        public Person FindUserWithPhonenumber(string phoneNumber)
        {
            var user = _complexDBContext.Persons.SingleOrDefault(p => p.Id.Equals(phoneNumber));
            return user;
        }

        public Person RegisterUser(string PhoneNumber)
        {
            Person user = new Person()
            {
                Id = PhoneNumber,
                IsActive = true,
            };
            return user;
        }
        public void Logout(string mobileNumber)
        {
            var userToken = _complexDBContext.UserTokens.Where(p => p.PersonId/*همان موبایل*/ == mobileNumber).ToList();
            _complexDBContext.UserTokens.RemoveRange(userToken);
            _complexDBContext.SaveChanges();
        }

    }

    public class LoginDto
    {
        public bool IsSuccess { get; set; }
        public string Message { get; set; }
        public Person Person { get; set; }
    }
    public class LoginDataDto
    {
        public string Token { get; set; }
        public string RefreshToken { get; set; }
    }
    public class LoginResultDto
    {
        public bool IsSuccess { get; set; }
        public string Message { get; set; }
        public LoginDataDto Data { get; set; }
    }

    //public class PersonDto
    //{
    //    public long PersonId { get; set; }
    //    public string FirstName { get; set; }
    //    public string LastName { get; set; }
    //    public string Mobile { get; set; }
    //    public bool? IsActive { get; set; }
    //}
}