From 0df5d6a595f62e0eb3191ebe5ea6b731e91d7785 Mon Sep 17 00:00:00 2001
From: masoodafar-web <masoud.afarin.moghaddam@outlook.com>
Date: Mon, 16 Feb 2026 22:22:07 +0330
Subject: [PATCH] =?UTF-8?q?feat:=20show=20VAT=20breakdown=20on=20discount?=
 =?UTF-8?q?=20checkout=20=E2=80=94=20discount,=20net,=209%=20VAT,=20final?=
 =?UTF-8?q?=20amount?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Pages/DiscountStore/Checkout.razor        | 32 +++++++++++++++----
 .../Pages/DiscountStore/Checkout.razor.cs     | 11 +++++++
 2 files changed, 36 insertions(+), 7 deletions(-)

diff --git a/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor b/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor
index 57ce153..7de3d94 100644
--- a/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor
+++ b/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor
@@ -103,15 +103,33 @@
 
                     <MudStack Spacing="1">
                         <MudStack Row="true" Justify="Justify.SpaceBetween">
-                            <MudText Typo="Typo.subtitle1" Class="fw-bold">جمع کل:</MudText>
-                            <MudText Typo="Typo.subtitle1" Color="Color.Primary" Class="fw-bold">
-                                @FormatPrice(DiscountCart.TotalPrice) تومان
-                            </MudText>
+                            <MudText Typo="Typo.body2">جمع کل:</MudText>
+                            <MudText Typo="Typo.body2">@FormatPrice(DiscountCart.TotalPrice) تومان</MudText>
                         </MudStack>
 
-                        <MudAlert Severity="Severity.Success" Variant="Variant.Text" Dense="true" Class="mt-1">
-                            تخفیف هر محصول به‌صورت کامل از کیف تخفیفی اعمال می‌شود.
-                        </MudAlert>
+                        <MudStack Row="true" Justify="Justify.SpaceBetween">
+                            <MudText Typo="Typo.body2" Color="Color.Success">تخفیف از کیف تخفیفی:</MudText>
+                            <MudText Typo="Typo.body2" Color="Color.Success">@FormatPrice(DiscountCart.TotalDiscount)- تومان</MudText>
+                        </MudStack>
+
+                        <MudStack Row="true" Justify="Justify.SpaceBetween">
+                            <MudText Typo="Typo.body2">مبلغ پس از تخفیف:</MudText>
+                            <MudText Typo="Typo.body2">@FormatPrice(NetGatewayAmount) تومان</MudText>
+                        </MudStack>
+
+                        <MudStack Row="true" Justify="Justify.SpaceBetween">
+                            <MudText Typo="Typo.body2" Class="mud-text-secondary">مالیات بر ارزش افزوده (۹٪):</MudText>
+                            <MudText Typo="Typo.body2" Class="mud-text-secondary">@FormatPrice(VatAmount)+ تومان</MudText>
+                        </MudStack>
+
+                        <MudDivider Class="my-1" />
+
+                        <MudStack Row="true" Justify="Justify.SpaceBetween">
+                            <MudText Typo="Typo.subtitle1" Class="fw-bold">مبلغ قابل پرداخت:</MudText>
+                            <MudText Typo="Typo.subtitle1" Color="Color.Primary" Class="fw-bold">
+                                @FormatPrice(FinalGatewayAmount) تومان
+                            </MudText>
+                        </MudStack>
                     </MudStack>
 
                     <MudButton Disabled="@(!CanPlaceOrder || _placing)" Class="mt-3 w-100-mobile"
diff --git a/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor.cs b/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor.cs
index 1a6fcbb..44c7153 100644
--- a/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor.cs
+++ b/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor.cs
@@ -18,6 +18,17 @@ public partial class Checkout
     private string? _notes;
     private bool _placing;
 
+    private const decimal VAT_RATE = 0.09m;
+
+    /// <summary>مبلغ درگاه قبل از مالیات (جمع کل - تخفیف)</summary>
+    private long NetGatewayAmount => DiscountCart.TotalPrice - DiscountCart.TotalDiscount;
+
+    /// <summary>مالیات بر ارزش افزوده ۹٪</summary>
+    private long VatAmount => (long)(NetGatewayAmount * VAT_RATE);
+
+    /// <summary>مبلغ نهایی قابل پرداخت (شامل VAT)</summary>
+    private long FinalGatewayAmount => NetGatewayAmount + VatAmount;
+
     private bool CanPlaceOrder => DiscountCart.Items.Count > 0 && _selectedAddress is not null;
 
     protected override async Task OnInitializedAsync()