FrontOffice/src/FrontOffice.Main/Pages/DiscountStore/Checkout.razor

@using CMSMicroservice.Protobuf.Protos.UserAddress
@attribute [Route(RouteConstants.DiscountStore.Checkout)]

<PageTitle>تسویه حساب فروشگاه اعتباری</PageTitle>

<MudContainer MaxWidth="MaxWidth.Large" Class="py-6">
    <PageHeader Title="تسویه حساب اعتباری" BackHref="@RouteConstants.DiscountStore.Cart" />
    <MudGrid Spacing="3">
        <!-- Left Column: Address + Payment Settings -->
        <MudItem xs="12" md="8">
            <!-- Address Selection -->
            <MudPaper Elevation="2" Class="pa-4 rounded-lg mb-3">
                <MudText Typo="Typo.h6" Class="mb-2">انتخاب آدرس</MudText>

                @if (_loadingAddresses)
                {
                    <MudStack AlignItems="AlignItems.Center" Class="py-4">
                        <MudProgressCircular Indeterminate="true" Color="Color.Primary" />
                        <MudText Class="mt-2 mud-text-secondary">در حال بارگذاری آدرس‌ها...</MudText>
                    </MudStack>
                }
                else if (_addresses.Count == 0)
                {
                    <MudAlert Severity="Severity.Warning">
                        هیچ آدرسی ثبت نشده است. لطفاً از بخش پروفایل آدرس خود را اضافه کنید.
                    </MudAlert>
                    <MudButton Class="mt-2" Variant="Variant.Outlined" Href="/profile/addresses">افزودن آدرس</MudButton>
                }
                else
                {
                    <MudStack Spacing="1">
                        @foreach (var address in _addresses)
                        {
                            <MudPaper Outlined="@(_selectedAddress?.Id != address.Id)"
                                      Elevation="@(_selectedAddress?.Id == address.Id ? 2 : 0)"
                                      Class="pa-3 rounded-xl cursor-pointer"
                                      Style="@(_selectedAddress?.Id == address.Id ? "border: 2px solid var(--mud-palette-primary);" : "")"
                                      @onclick="() => _selectedAddress = address">
                                <MudStack Row="true" Justify="Justify.SpaceBetween" AlignItems="AlignItems.Center">
                                    <MudStack>
                                        <MudText Typo="Typo.subtitle2">@address.Title</MudText>
                                        <MudText Typo="Typo.body2" Class="mud-text-secondary">@address.Address</MudText>
                                    </MudStack>
                                    @if (address.IsDefault)
                                    {
                                        <MudChip T="string" Color="Color.Success" Variant="Variant.Outlined">پیش‌فرض</MudChip>
                                    }
                                </MudStack>
                            </MudPaper>
                        }
                    </MudStack>
                }
            </MudPaper>

            <!-- Notes -->
            <MudPaper Elevation="2" Class="pa-4 rounded-lg">
                <MudText Typo="Typo.h6" Class="mb-2">توضیحات سفارش</MudText>
                <MudTextField T="string" @bind-Value="_notes" Lines="3"
                              Placeholder="توضیحات اختیاری..."
                              Variant="Variant.Outlined" />
            </MudPaper>
        </MudItem>

        <!-- Right Column: Order Summary -->
        <MudItem xs="12" md="4">
            <MudPaper Elevation="2" Class="pa-4 rounded-lg" Style="position:sticky; top:80px;">
                <MudText Typo="Typo.h6" Class="mb-2">خلاصه سفارش</MudText>

                @if (DiscountCart.Items.Count == 0)
                {
                    <MudAlert Severity="Severity.Info">سبد خرید شما خالی است.</MudAlert>
                }
                else
                {
                    <MudList T="string" Dense="true">
                        @foreach (var item in DiscountCart.Items)
                        {
                            <MudListItem T="string">
                                <MudListItemText>
                                    <MudStack Spacing="1">
                                        <MudStack Row="true" Justify="Justify.SpaceBetween" AlignItems="AlignItems.Center">
                                            <AppImage Path="@GetImageUrl(item.ImageUrl)" Alt="@item.Title"
                                                      ImgWidth="40" ImgHeight="40" Class="rounded-lg" ObjectFit="ObjectFit.Cover" />
                                            <MudText Typo="Typo.subtitle2" Style="flex:1; margin:0 8px;">@item.Title</MudText>
                                            <MudText Typo="Typo.subtitle2">@FormatPrice(item.FinalPrice)</MudText>
                                        </MudStack>
                                        <MudStack Row="true" Justify="Justify.SpaceBetween" AlignItems="AlignItems.Center">
                                            <MudText Typo="Typo.caption" Class="mud-text-secondary">
                                                @item.Quantity × @FormatPrice(item.UnitPrice)
                                            </MudText>
                                            @if (item.MaxDiscountPercent > 0)
                                            {
                                                <MudText Typo="Typo.caption" Color="Color.Error">@item.MaxDiscountPercent% اعتبار</MudText>
                                            }
                                        </MudStack>
                                    </MudStack>
                                </MudListItemText>
                            </MudListItem>
                        }
                    </MudList>

                    <MudDivider Class="my-2" />

                    <MudStack Spacing="1">
                        <MudStack Row="true" Justify="Justify.SpaceBetween">
                            <MudText Typo="Typo.body2">جمع کل:</MudText>
                            <MudText Typo="Typo.body2">@FormatPrice(DiscountCart.TotalPrice) تومان</MudText>
                        </MudStack>

                        <MudStack Row="true" Justify="Justify.SpaceBetween">
                            <MudText Typo="Typo.body2" Color="Color.Success">اعتبار از کیف اعتباری:</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 اعتبار:</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 (@VAT.VatPercentage٪):</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"
                               Variant="Variant.Filled" Color="Color.Primary"
                               OnClick="PlaceOrder" FullWidth="true"
                               StartIcon="@Icons.Material.Filled.CheckCircle">
                        @(_placing ? "در حال ثبت سفارش..." : "ثبت و پرداخت سفارش")
                    </MudButton>
                }
            </MudPaper>
        </MudItem>
    </MudGrid>
</MudContainer>