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

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+using FrontOffice.BFF.Package.Protobuf.Protos.Package;
+using FrontOffice.Main.Utilities;
+using Grpc.Core;
+using Microsoft.AspNetCore.Components;
+using MudBlazor;
+
+namespace FrontOffice.Main.Pages;
+
+public partial class PackageDetail : IDisposable
+{
+    [Parameter] public long Id { get; set; }
+
+    [Inject] private PackageContract.PackageContractClient PackageClient { get; set; } = default!;
+
+    private PackageDetailDto? _package;
+    private List<Review> _reviews = new();
+    private List<RelatedPackage> _relatedPackages = new();
+    private bool _isLoading = true;
+    private bool _isPurchasing;
+    private CancellationTokenSource? _loadCts;
+   
+
+    private List<BreadcrumbItem> _breadcrumbItems = new()
+    {
+        new BreadcrumbItem("صفحه اصلی", RouteConstants.Main.MainPage),
+        new BreadcrumbItem("پکیج‌ها", "#features"),
+        new BreadcrumbItem("جزئیات پکیج", null, disabled: true)
+    };
+    protected override async Task OnInitializedAsync()
+    {
+        if (Id < 1)
+        {
+            _isLoading = false;
+            return;
+        }
+
+        await LoadPackageDetailsAsync();
+    }
+
+    protected override async Task OnParametersSetAsync()
+    {
+        if (Id > 0)
+        {
+            await LoadPackageDetailsAsync();
+        }
+    }
+
+    private async Task LoadPackageDetailsAsync()
+    {
+        _isLoading = true;
+        _loadCts?.Cancel();
+        _loadCts?.Dispose();
+        _loadCts = new CancellationTokenSource();
+
+        try
+        {
+            // Load package details
+            var packageRequest = new GetPackageRequest { Id = Id };
+            var packageResponse = await PackageClient.GetPackageAsync(request: new() { Id = Id}, cancellationToken: _loadCts.Token);
+
+            if (packageResponse != null)
+            {
+                _package = new PackageDetailDto
+                {
+                    Id = packageResponse.Id,
+                    Title = packageResponse.Title,
+                    Body = packageResponse.Description,
+                    Image = UrlUtility.DownloadUrl + packageResponse.ImagePath,
+                    Specifications = new List<Specification>
+                    {
+                        new() { Name = "ظرفیت", Value = "تا ۲۰۰ عضو", Icon = Icons.Material.Filled.Group },
+                        new() { Name = "شجره‌نامه", Value = "پیشرفته", Icon = Icons.Material.Filled.AccountTree },
+                        new() { Name = "گزارش‌گیری", Value = "جامع", Icon = Icons.Material.Filled.Analytics },
+                        new() { Name = "پشتیبانی", Value = "۲۴ ساعته", Icon = Icons.Material.Filled.Support }
+                    },
+                    Features = new List<string>
+                    {
+                        "مدیریت تیم نامحدود",
+                        "شجره‌نامه بصری",
+                        "محاسبه کارمزد خودکار",
+                        "گزارش‌های مالی",
+                        "پشتیبانی اولویت‌دار"
+                    },
+                    Pricing = new PricingInfo
+                    {
+                        OriginalPrice = packageResponse.Price,
+                        FinalPrice = packageResponse.Price,
+                        HasDiscount = false,
+                        DiscountPercent = 0
+                    }
+                };
+
+                // Load reviews (mock data for now)
+                await LoadReviewsAsync();
+
+                // Load related packages
+                await LoadRelatedPackagesAsync();
+            }
+        }
+        catch (RpcException rpcEx)
+        {
+            Snackbar.Add($"خطا در بارگذاری پکیج: {rpcEx.Status.Detail}", Severity.Error);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"خطا در بارگذاری پکیج: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            _isLoading = false;
+            await InvokeAsync(StateHasChanged);
+        }
+    }
+
+    private async Task LoadReviewsAsync()
+    {
+        // TODO: Load reviews from API
+        _reviews = new List<Review>
+        {
+            new() { UserName = "علی احمدی", Rating = 5, Comment = "عالی! کارمزد رو دقیق حساب می‌کنه و گزارش‌ها کامل هستن.", Date = "۱۴۰۲/۱۰/۰۵" },
+            new() { UserName = "مریم رضایی", Rating = 4, Comment = "رابط کاربری خوبی داره، فقط سرعت بارگذاری می‌تونه بهتر بشه.", Date = "۱۴۰۲/۰۹/۲۲" },
+            new() { UserName = "حسن کریمی", Rating = 5, Comment = "پشتیبانی فوق‌العاده سریع و حرفه‌ای داشتن. پیشنهاد می‌کنم.", Date = "۱۴۰۲/۰۹/۱۵" }
+        };
+    }
+
+    private async Task LoadRelatedPackagesAsync()
+    {
+        // TODO: Load related packages from API
+        _relatedPackages = new List<RelatedPackage>
+        {
+            new() { Id = "2", Title = "پکیج رشد", ShortDescription = "مناسب برای تیم‌های در حال توسعه", Image = "https://images.unsplash.com/photo-1552664730-d307ca884978?q=80&w=400", Pricing = new PricingInfo { FinalPrice = 750000 } },
+            new() { Id = "3", Title = "پکیج حرفه‌ای", ShortDescription = "برای کسب‌وکارهای بزرگ", Image = "https://images.unsplash.com/photo-1460925895917-afdab827c52f?q=80&w=400", Pricing = new PricingInfo { FinalPrice = 1200000 } }
+        };
+    }
+
+    private async Task PurchasePackage()
+    {
+        if (_package == null) return;
+
+        _isPurchasing = true;
+
+        try
+        {
+            // TODO: Implement purchase logic
+            await Task.Delay(2000); // Simulate API call
+
+            Snackbar.Add("پکیج با موفقیت خریداری شد!", Severity.Success);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"خطا در خرید پکیج: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            _isPurchasing = false;
+            await InvokeAsync(StateHasChanged);
+        }
+    }
+
+    private void NavigateToPackage(string packageId)
+    {
+        Navigation.NavigateTo($"{RouteConstants.Package.Detail}/{packageId}");
+    }
+
+    public void Dispose()
+    {
+        _loadCts?.Cancel();
+        _loadCts?.Dispose();
+        _loadCts = null;
+    }
+
+    public class PackageDetailDto
+    {
+        public long? Id { get; set; }
+        public string? Title { get; set; }
+        public string? Body { get; set; }
+        public string? Image { get; set; }
+        public List<Specification> Specifications { get; set; } = new();
+        public List<string> Features { get; set; } = new();
+        public PricingInfo Pricing { get; set; } = new();
+    }
+
+    public class Specification
+    {
+        public string? Name { get; set; }
+        public string? Value { get; set; }
+        public string? Icon { get; set; }
+    }
+
+    public class PricingInfo
+    {
+        public long OriginalPrice { get; set; }
+        public long FinalPrice { get; set; }
+        public bool HasDiscount { get; set; }
+        public int DiscountPercent { get; set; }
+    }
+
+    public class Review
+    {
+        public string? UserName { get; set; }
+        public int Rating { get; set; }
+        public string? Comment { get; set; }
+        public string? Date { get; set; }
+    }
+
+    public class RelatedPackage
+    {
+        public string? Id { get; set; }
+        public string? Title { get; set; }
+        public string? ShortDescription { get; set; }
+        public string? Image { get; set; }
+        public PricingInfo Pricing { get; set; } = new();
+    }
+}