Add device detection and PDF generation features; refactor AuthDialog and update print utilities

src/FrontOffice.Main/Pages/RegisterWizard.razor.cs

@@ -4,6 +4,7 @@ using FrontOffice.Main.Shared;
 using FrontOffice.Main.Utilities;
 using Google.Protobuf.WellKnownTypes;
 using Microsoft.AspNetCore.Components;
+using Microsoft.JSInterop;
 using MudBlazor;
 
 namespace FrontOffice.Main.Pages;
@@ -19,7 +20,12 @@ public partial class RegisterWizard
     private bool _isSubmitting;
     private bool _completed;
     private AuthDialog _authDialog;
+    private MudStepper _mudStepper;
     private UpdateUserRequest _updateUserRequest = new();
+    private bool _isAuthenticated;
+
+    [Inject] private AuthService AuthService { get; set; } = default!;
+    [Inject] private IJSRuntime Js { get; set; } = default!;
 
     private string _nextButtonText => _activeStep switch
     {
@@ -28,21 +34,56 @@ public partial class RegisterWizard
         _ => _isSubmitting ? "در حال ارسال..." : "ثبت نهایی"
     };
 
-    protected override void OnInitialized()
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
     {
-        base.OnInitialized();
+        _isAuthenticated = await AuthService.IsAuthenticatedAsync();
+        if (_isAuthenticated && _activeStep == 0)
+        {
+            await _mudStepper.NextStepAsync();
+            _activeStep = 1;
+            await InvokeAsync(StateHasChanged);
+        }
+        else if (_isAuthenticated && _activeStep == 1)
+        {
+            try
+            {
+                var existUser = await UserContract.GetUserAsync(new Empty());
+                if (existUser != null && !string.IsNullOrEmpty(existUser.FirstName) && string.IsNullOrWhiteSpace(_model.FirstName))
+                {
+                    _model.FirstName = existUser.FirstName;
+                }
+
+                if (existUser != null && !string.IsNullOrEmpty(existUser.LastName) && string.IsNullOrWhiteSpace(_model.LastName))
+                {
+                    _model.LastName = existUser.LastName;
+                }
+
+                if (existUser != null && !string.IsNullOrEmpty(existUser.NationalCode) && string.IsNullOrWhiteSpace(_model.NationalCode))
+                {
+                    _model.NationalCode = existUser.NationalCode;
+                }
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+            }
+            await InvokeAsync(StateHasChanged);
+        }
+       
+        await base.OnAfterRenderAsync(firstRender);
     }
 
-    private async Task GoBack(MudStepper mudStepper)
+    private async Task GoBack()
     {
-        if (_activeStep == 0 || _isSubmitting)
+        if (_activeStep == 0 || _isSubmitting || (_isAuthenticated && _activeStep == 1))
             return;
 
         _activeStep--;
-        await mudStepper.PreviousStepAsync();
+        await _mudStepper.PreviousStepAsync();
     }
 
-    private async Task GoNextAsync(MudStepper mudStepper)
+    private async Task GoNextAsync()
     {
         if (_isSubmitting)
             return;
@@ -61,7 +102,6 @@ public partial class RegisterWizard
                     if (!verifyOtp)
                         return;
 
-
                     _activeStep = 1;
                 }
 
@@ -76,6 +116,7 @@ public partial class RegisterWizard
                     return;
 
                 _activeStep = 2;
+                await _mudStepper.NextStepAsync();
                 break;
             case 2:
                 if (!await ValidateStepAsync(_stepThreeForm))
@@ -83,8 +124,6 @@ public partial class RegisterWizard
                 await SubmitAsync();
                 break;
         }
-
-        await mudStepper.NextStepAsync();
     }
 
     private async Task<bool> ValidateStepAsync(MudForm? form)
@@ -111,16 +150,29 @@ public partial class RegisterWizard
         }
     }
 
-    private void DownloadContract()
+    private async void DownloadContract()
     {
-        Navigation.NavigateTo("docs/sample-contract.txt", true);
+        // Example dynamic HTML (could be constructed based on user data)
+        var html = $"<h1 style='text-align:center'>قرارداد اولیه کاربر</h1><p>نام: {_model.FirstName ?? "-"} {_model.LastName ?? "-"}</p><p>کد ملی: {_model.NationalCode ?? "-"}</p><p>این یک نسخه نمونه است.</p>";
+
+        // Option A: trigger browser print dialog for PDF (client-side)
+        try
+        {
+            await Js.InvokeVoidAsync("printUtils.printHtml", html, new { title = "قرارداد نمونه" });
+        }
+        catch
+        {
+            // Fallback to server-side generation endpoint if JS fails
+            var encoded = Uri.EscapeDataString(html);
+            Navigation.NavigateTo($"contract/generate?html={encoded}&fileName=sample-contract", true);
+        }
     }
 
     private void OnPhoneVerified()
     {
         // Move to next step after phone verification success
         // _activeStep = 1;
-        // StateHasChanged();
+        //StateHasChanged();
     }
 
     private async Task<bool> SavePersonalInfo()
@@ -145,7 +197,7 @@ public partial class RegisterWizard
             Console.WriteLine(_updateUserRequest.FirstName);
             Console.WriteLine(_updateUserRequest.LastName);
             Console.WriteLine(_updateUserRequest.NationalCode);
-            
+
             await UserContract.UpdateUserAsync(request: _updateUserRequest);
             Snackbar.Add("اطلاعات شخصی با موفقیت ذخیره شد.", Severity.Success);
             return true;