using PDF_Office.Helper;
using PDF_Office.Model;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;

namespace PDF_Office.ViewModels.Dialog.ServiceDialog
{
    public class RegisterRegionViewModel : BindableBase, INavigationAware
    {
        private RegisterDialogViewModel RegisterDialogViewModel;
        public IDialogService dialogs;
       
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
          

        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            navigationContext.Parameters.TryGetValue<RegisterDialogViewModel>("RegisterDialogViewModel", out RegisterDialogViewModel);
        }

        


      

        private bool enableNextStep = false;
        public bool EnableNextStep
        {
            get { return enableNextStep; }
            set { SetProperty(ref enableNextStep, value); }
        }

        private string _registerEmaillook;
        public string RegisterEmaillook
        {
            get { return _registerEmaillook; }
            set { SetProperty(ref _registerEmaillook, value); }
        }



        private string _registerePasswordlook;
        public string RegisterePasswordlook
        {
            get { return _registerePasswordlook; }
            set { SetProperty(ref _registerePasswordlook, value); }
        }

        private string _uriPolivy = "https://www.pdfreaderpro.com/privacy-policy";
        public string UriPolivy
        {
            get { return _uriPolivy; }
            set
            {
                SetProperty(ref _uriPolivy, value);

            }
        }

        private string _uriLicense = "https://www.pdfreaderpro.com/terms_of_service";
        public string UriLicense
        {
            get { return _uriLicense; }
            set
            {
                SetProperty(ref _uriLicense, value);

            }
        }

        private bool _isRegisterPasswordDisplayed = false;
        public bool IsRegisterPasswordDisplayed
        {
            get { return _isRegisterPasswordDisplayed; }
            set { SetProperty(ref _isRegisterPasswordDisplayed, value); }
        }


        private string _registerText1 = "Already have an account?";
        public string Registertext1
        {
            get { return _registerText1; }
            set
            {
                SetProperty(ref _registerText1, value);

            }
        }



        private string _registerNextStep = "Next Step";
        public string RegisterNextStep
        {
            get { return _registerNextStep; }
            set
            {
                SetProperty(ref _registerNextStep, value);

            }
        }

        private string _registerPassword = "";
        public string RegisterPassword
        {
            get { return _registerPassword; }
            set
            {
                
                SetProperty(ref _registerPassword, value);
                if (string.IsNullOrEmpty(RegisterPassword))
                {
                    ChkVis = Visibility.Collapsed;
                }
                else
                {
                    ChkVis = Visibility.Visible;
                }
                CheckEnableNextStepEncrypt();
            }

        }

        private string _registerEmail = "";
        public string RegisterEmail
        {
            get { return _registerEmail; }
            set
            {
                SetProperty(ref _registerEmail, value);

                if(RegisterEmail=="")
                {
                    RegisterEmaillook = "";
                }
                else
                {
                    CheckMail(RegisterEmail);
                }
               
                CheckEnableNextStepEncrypt();
            }
        }

        private string _registerEmailMsg = "Enter email address";
        public string RegisterEmailMsg
        {
            get { return _registerEmailMsg; }
            set
            {
                SetProperty(ref _registerEmailMsg, value);
            }
        }

        private string _registerPasswordMsg = "Enter your password";
        public string RegisterPasswordMsg
        {
            get { return _registerPasswordMsg; }
            set
            {
                SetProperty(ref _registerPasswordMsg, value);
            }
        }
        
        private Visibility _registerPasswordVisibility = Visibility.Visible;
        public Visibility RegisterPasswordVisibility
        {
            get { return _registerPasswordVisibility; }
            set
            {
                if (value == Visibility.Visible)
                {
                    RegisterTextVisibility = Visibility.Collapsed;
                }
                else
                {
                    RegisterTextVisibility = Visibility.Visible;
                }
                SetProperty(ref _registerPasswordVisibility, value);
            }
        }
        private Visibility _ChkVis = Visibility.Collapsed;
        public Visibility ChkVis
        {
            get { return _ChkVis; }
            set { SetProperty(ref _ChkVis, value); }
        }
        
        private Visibility _registerTextVisibility = Visibility.Collapsed;
        public Visibility RegisterTextVisibility
        {
            get { return _registerTextVisibility; }
            set { SetProperty(ref _registerTextVisibility, value); }
        }

        private bool _isPermissionsPasswordDisplayed = false;
        public bool IsPermissionsPasswordDisplayed
        {
            get { return _isPermissionsPasswordDisplayed; }
            set { SetProperty(ref _isPermissionsPasswordDisplayed, value); }
        }
        
        public DelegateCommand<object> DisplayPasswordCommand { get; set; }
        public DelegateCommand LinkPolicyCommand { get; set; }
        public DelegateCommand CloseDialogCommand { get; set; }
        public DelegateCommand RegisterNextCommand { get; set; }
        public DelegateCommand GoLoginCommand { get; set; }
        public DelegateCommand RegisterPasswordChangedCommand { get; set; }
        
        public DelegateCommand LinkLicenseCommand { get; set; }
        RegisterRegionViewModel(IRegionManager regionManager, IDialogService dialogService)
        {
            dialogs = dialogService;
            DisplayPasswordCommand = new DelegateCommand<object>(DisplayPassword);
            LinkPolicyCommand = new DelegateCommand(LinkPolicy);
            LinkLicenseCommand = new DelegateCommand(LinkLicense);
            GoLoginCommand = new DelegateCommand(GoLogin);
            RegisterNextCommand = new DelegateCommand(RegisterNext);
            CloseDialogCommand = new DelegateCommand(CloseDialog);
            RegisterPasswordChangedCommand = new DelegateCommand(RegisterPasswordChanged);
            
        }


        private void RegisterPasswordChanged()
        {

           if(RegisterPassword.Length<6)
            {
                RegisterePasswordlook = "At least 6 characters";
            }
           else if(RegisterPassword.Length>24)
            {
                RegisterePasswordlook = "Up to 24 characters";
            }
           else
            {
                RegisterePasswordlook = "";
            }

        }



        private void CheckMail(string mail)
        {
            string str = "^([a-z0-9_\\.-]+)@([\\da-z\\.-]+)\\.([a-z\\.]{2,6})$";
            Regex mReg = new Regex(str);

            if (mReg.IsMatch(mail))
            {
                RegisterEmaillook = "";
            }
            else
            {
                RegisterEmaillook = "请输入正确的邮箱格式";
            }
        }

        private void CloseDialog()
        {

            RegisterDialogViewModel.Close();
         
        }


        private void RegisterNext()
        {
            
            
            if(ServiceHelper.Ok_email(RegisterEmail, "2")== "success")
            {
                RegisterDialogViewModel.RegisterEmail = RegisterEmail;
                RegisterDialogViewModel.RegisterPassword = RegisterPassword;
                ServiceHelper.Get_code("user_register", RegisterEmail);
                RegisterDialogViewModel.RegionMan( "CodeRegion");
                App.mainWindowViewModel.UserVis = Visibility.Visible;
                App.mainWindowViewModel.RegisterVis = Visibility.Collapsed;
                App.mainWindowViewModel.LoginVis = Visibility.Collapsed;
            }
            else 
            {
                RegisterEmaillook = ServiceHelper.Ok_email(RegisterEmail, "2");
            }
        }

        public void SetOpenPassword(object e)
        {
            var chk = e as CheckBox;
            if (chk != null)
            {
                IsRegisterPasswordDisplayed = false;
                RegisterPasswordVisibility = Visibility.Visible;
            }
            CheckEnableNextStepEncrypt();
        }

        private void GoLogin()
        {


            RegisterDialogViewModel.Close();

            App.mainWindowViewModel.OpenLogin();
    


        }



        private void LinkPolicy()
        {
           
            Process.Start(new ProcessStartInfo(UriPolivy));
        }

        private void LinkLicense()
        {

            Process.Start(new ProcessStartInfo(UriLicense));
        }




        private void CheckEnableNextStepEncrypt()
        {
            EnableNextStep = true;
           
            if (RegisterPassword.Length<6|| RegisterPassword.Length >24 || string.IsNullOrEmpty(RegisterEmail)|| RegisterEmaillook!="")
            {
                EnableNextStep = false;
            }
        }

        public void DisplayPassword(object e)
        {
            var chk = e as CheckBox;
            if (chk != null)
            {
                        
                    if (chk.IsChecked == true)
                    {
                    RegisterPasswordVisibility = Visibility.Collapsed;
                    }
                    else
                    {
                    RegisterPasswordVisibility = Visibility.Visible;
                    }
                
            }
        }
    }
}