feat: ajustes qrcode, estilos e cores.

.claude/settings.local.json

@@ -5,7 +5,9 @@
       "Bash(find:*)",
       "Bash(dotnet build:*)",
       "Bash(timeout:*)",
-      "Bash(rm:*)"
+      "Bash(rm:*)",
+      "Bash(dotnet run:*)",
+      "Bash(curl:*)"
     ],
     "deny": []
   }

Controllers/QRController.cs

@@ -63,6 +63,19 @@ namespace QRRapidoApp.Controllers
                     // Check user status
                     var user = await _userService.GetUserAsync(userId);
 
+                    // Validate premium features
+                    if (!string.IsNullOrEmpty(request.CornerStyle) && request.CornerStyle != "square" && user?.IsPremium != true)
+                    {
+                        _logger.LogWarning("Custom corner style attempted by non-premium user - UserId: {UserId}, CornerStyle: {CornerStyle}", 
+                            userId ?? "anonymous", request.CornerStyle);
+                        return BadRequest(new 
+                        { 
+                            error = "Estilos de borda personalizados são exclusivos do plano Premium. Faça upgrade para usar esta funcionalidade.",
+                            requiresPremium = true,
+                            success = false
+                        });
+                    }
+
                     // Rate limiting for free users
                     var rateLimitPassed = await CheckRateLimitAsync(userId, user);
                     if (!rateLimitPassed)
@@ -272,6 +285,167 @@ namespace QRRapidoApp.Controllers
             }
         }
 
+        [HttpPost("GenerateRapidWithLogo")]
+        public async Task<IActionResult> GenerateRapidWithLogo([FromForm] QRGenerationRequest request, IFormFile? logo)
+        {
+            var stopwatch = Stopwatch.StartNew();
+            var requestId = Guid.NewGuid().ToString("N")[..8];
+            var userId = User?.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+            var isAuthenticated = User?.Identity?.IsAuthenticated ?? false;
+            
+            using (_logger.BeginScope(new Dictionary<string, object>
+            {
+                ["RequestId"] = requestId,
+                ["UserId"] = userId ?? "anonymous",
+                ["IsAuthenticated"] = isAuthenticated,
+                ["QRType"] = request.Type ?? "unknown",
+                ["ContentLength"] = request.Content?.Length ?? 0,
+                ["QRGeneration"] = true,
+                ["HasLogo"] = logo != null
+            }))
+            {
+                _logger.LogInformation("QR generation with logo request started - Type: {QRType}, ContentLength: {ContentLength}, HasLogo: {HasLogo}",
+                    request.Type, request.Content?.Length ?? 0, logo != null);
+                
+                try
+                {
+                    // Quick validations
+                    if (string.IsNullOrWhiteSpace(request.Content))
+                    {
+                        _logger.LogWarning("QR generation failed - empty content provided");
+                        return BadRequest(new { error = "Conteúdo é obrigatório", success = false });
+                    }
+
+                    if (request.Content.Length > 4000)
+                    {
+                        _logger.LogWarning("QR generation failed - content too long: {ContentLength} characters", request.Content.Length);
+                        return BadRequest(new { error = "Conteúdo muito longo. Máximo 4000 caracteres.", success = false });
+                    }
+
+                    // Check user status
+                    var user = await _userService.GetUserAsync(userId);
+
+                    // Validate premium status for logo feature
+                    if (user?.IsPremium != true)
+                    {
+                        _logger.LogWarning("Logo upload attempted by non-premium user - UserId: {UserId}", userId ?? "anonymous");
+                        return BadRequest(new 
+                        { 
+                            error = "Logo personalizado é exclusivo do plano Premium. Faça upgrade para usar esta funcionalidade.",
+                            requiresPremium = true,
+                            success = false
+                        });
+                    }
+
+                    // Validate premium corner styles
+                    if (!string.IsNullOrEmpty(request.CornerStyle) && request.CornerStyle != "square")
+                    {
+                        _logger.LogInformation("Premium user using custom corner style - UserId: {UserId}, CornerStyle: {CornerStyle}", 
+                            userId, request.CornerStyle);
+                    }
+
+                    // Process logo upload if provided
+                    if (logo != null && logo.Length > 0)
+                    {
+                        // Validate file size (2MB max)
+                        if (logo.Length > 2 * 1024 * 1024)
+                        {
+                            _logger.LogWarning("Logo upload failed - file too large: {FileSize} bytes", logo.Length);
+                            return BadRequest(new { error = "Logo muito grande. Máximo 2MB.", success = false });
+                        }
+
+                        // Validate file format
+                        var allowedTypes = new[] { "image/png", "image/jpeg", "image/jpg" };
+                        if (!allowedTypes.Contains(logo.ContentType?.ToLower()))
+                        {
+                            _logger.LogWarning("Logo upload failed - invalid format: {ContentType}", logo.ContentType);
+                            return BadRequest(new { error = "Formato inválido. Use PNG ou JPG.", success = false });
+                        }
+
+                        try
+                        {
+                            // Convert file to byte array
+                            using var memoryStream = new MemoryStream();
+                            await logo.CopyToAsync(memoryStream);
+                            request.Logo = memoryStream.ToArray();
+                            request.HasLogo = true;
+
+                            _logger.LogInformation("Logo processed successfully - Size: {LogoSize} bytes, Format: {ContentType}", 
+                                logo.Length, logo.ContentType);
+                        }
+                        catch (Exception ex)
+                        {
+                            _logger.LogError(ex, "Error processing logo file");
+                            return BadRequest(new { error = "Erro ao processar logo.", success = false });
+                        }
+                    }
+
+                    // Rate limiting for free users (premium users get unlimited)
+                    var rateLimitPassed = await CheckRateLimitAsync(userId, user);
+                    if (!rateLimitPassed)
+                    {
+                        _logger.LogWarning("QR generation rate limited - User: {UserId}, IsPremium: {IsPremium}", 
+                            userId ?? "anonymous", user?.IsPremium ?? false);
+                        return StatusCode(429, new
+                        {
+                            error = "Limite de QR codes atingido",
+                            upgradeUrl = "/Premium/Upgrade",
+                            success = false
+                        });
+                    }
+
+                    // Configure optimizations based on user
+                    request.IsPremium = user?.IsPremium == true;
+                    request.OptimizeForSpeed = true;
+
+                    _logger.LogDebug("Generating QR code with logo - IsPremium: {IsPremium}, HasLogo: {HasLogo}", 
+                        request.IsPremium, request.HasLogo);
+
+                    // Generate QR code
+                    var generationStopwatch = Stopwatch.StartNew();
+                    var result = await _qrService.GenerateRapidAsync(request);
+                    generationStopwatch.Stop();
+
+                    if (!result.Success)
+                    {
+                        _logger.LogError("QR generation failed - Error: {ErrorMessage}, GenerationTime: {GenerationTimeMs}ms", 
+                            result.ErrorMessage, generationStopwatch.ElapsedMilliseconds);
+                        return StatusCode(500, new { error = result.ErrorMessage, success = false });
+                    }
+
+                    _logger.LogInformation("QR code with logo generated successfully - GenerationTime: {GenerationTimeMs}ms, FromCache: {FromCache}, HasLogo: {HasLogo}",
+                        generationStopwatch.ElapsedMilliseconds, result.FromCache, request.HasLogo);
+
+                    // Save to history if user is logged in (fire and forget)
+                    if (userId != null)
+                    {
+                        _ = Task.Run(async () =>
+                        {
+                            try
+                            {
+                                await _userService.SaveQRToHistoryAsync(userId, result);
+                                _logger.LogDebug("QR code saved to history successfully for user {UserId}", userId);
+                            }
+                            catch (Exception ex)
+                            {
+                                _logger.LogError(ex, "Error saving QR to history for user {UserId}", userId);
+                            }
+                        });
+                    }
+
+                    stopwatch.Stop();
+                    return Ok(result);
+                }
+                catch (Exception ex)
+                {
+                    stopwatch.Stop();
+                    _logger.LogError(ex, "QR generation with logo failed with exception - RequestTime: {RequestTimeMs}ms, UserId: {UserId}", 
+                        stopwatch.ElapsedMilliseconds, userId ?? "anonymous");
+                    return StatusCode(500, new { error = "Erro interno do servidor", success = false });
+                }
+            }
+        }
+
         [HttpGet("History")]
         public async Task<IActionResult> GetHistory(int limit = 20)
         {

Services/QRRapidoService.cs

@@ -3,6 +3,7 @@ using QRCoder;
 using QRRapidoApp.Models.ViewModels;
 using System.Diagnostics;
 using System.Drawing;
+using System.Drawing.Imaging;
 using System.Security.Cryptography;
 using System.Text;
 using System.Text.Json;
@@ -114,7 +115,21 @@ namespace QRRapidoApp.Services
                 var primaryColorBytes = ColorToBytes(ParseHtmlColor(request.PrimaryColor));
                 var backgroundColorBytes = ColorToBytes(ParseHtmlColor(request.BackgroundColor));
 
-                return qrCode.GetGraphic(pixelsPerModule, primaryColorBytes, backgroundColorBytes);
+                var qrBytes = qrCode.GetGraphic(pixelsPerModule, primaryColorBytes, backgroundColorBytes);
+
+                // Apply custom corner styles for premium users
+                if (request.IsPremium && !string.IsNullOrEmpty(request.CornerStyle) && request.CornerStyle != "square")
+                {
+                    qrBytes = ApplyCornerStyle(qrBytes, request.CornerStyle, request.Size);
+                }
+
+                // Apply logo overlay if provided
+                if (request.HasLogo && request.Logo != null)
+                {
+                    return ApplyLogoOverlay(qrBytes, request.Logo, request.Size);
+                }
+
+                return qrBytes;
             });
         }
 
@@ -253,5 +268,225 @@ namespace QRRapidoApp.Services
         {
             return new byte[] { color.R, color.G, color.B };
         }
+
+        private byte[] ApplyLogoOverlay(byte[] qrBytes, byte[] logoBytes, int qrSize)
+        {
+            try
+            {
+                using var qrStream = new MemoryStream(qrBytes);
+                using var logoStream = new MemoryStream(logoBytes);
+                using var qrImage = new Bitmap(qrStream);
+                using var logoImage = new Bitmap(logoStream);
+                
+                // Create a new bitmap to draw on (to avoid modifying the original)
+                using var finalImage = new Bitmap(qrImage.Width, qrImage.Height);
+                using var graphics = Graphics.FromImage(finalImage);
+                
+                // Set high quality rendering
+                graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
+                graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
+                graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
+                
+                // Draw the QR code as base
+                graphics.DrawImage(qrImage, 0, 0, qrImage.Width, qrImage.Height);
+                
+                // Calculate logo size (20% of QR code size)
+                var logoSize = Math.Min(qrImage.Width, qrImage.Height) / 5;
+                
+                // Calculate center position
+                var logoX = (qrImage.Width - logoSize) / 2;
+                var logoY = (qrImage.Height - logoSize) / 2;
+                
+                // Create a white background circle for better contrast
+                var backgroundSize = logoSize + 10; // Slightly larger than logo
+                var backgroundX = (qrImage.Width - backgroundSize) / 2;
+                var backgroundY = (qrImage.Height - backgroundSize) / 2;
+                
+                using var whiteBrush = new SolidBrush(System.Drawing.Color.White);
+                graphics.FillEllipse(whiteBrush, backgroundX, backgroundY, backgroundSize, backgroundSize);
+                
+                // Draw the logo
+                graphics.DrawImage(logoImage, logoX, logoY, logoSize, logoSize);
+                
+                // Convert back to byte array
+                using var outputStream = new MemoryStream();
+                finalImage.Save(outputStream, ImageFormat.Png);
+                return outputStream.ToArray();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error applying logo overlay, returning original QR code");
+                // Return original QR code if logo overlay fails
+                return qrBytes;
+            }
+        }
+
+        private byte[] ApplyCornerStyle(byte[] qrBytes, string cornerStyle, int targetSize)
+        {
+            try
+            {
+                using var originalStream = new MemoryStream(qrBytes);
+                using var originalImage = new Bitmap(originalStream);
+                using var styledImage = new Bitmap(originalImage.Width, originalImage.Height);
+                using var graphics = Graphics.FromImage(styledImage);
+                
+                // Set high quality rendering
+                graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
+                graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
+                graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
+                
+                // Fill with background color first
+                graphics.Clear(System.Drawing.Color.White);
+                
+                // Analyze the QR code to identify modules
+                var moduleSize = DetectModuleSize(originalImage);
+                var modules = ExtractQRModules(originalImage, moduleSize);
+                
+                // Draw modules with custom style
+                foreach (var module in modules)
+                {
+                    if (module.IsBlack)
+                    {
+                        DrawStyledModule(graphics, module, cornerStyle, moduleSize);
+                    }
+                }
+                
+                // Convert back to byte array
+                using var outputStream = new MemoryStream();
+                styledImage.Save(outputStream, ImageFormat.Png);
+                return outputStream.ToArray();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error applying corner style {CornerStyle}, returning original QR code", cornerStyle);
+                // Return original QR code if styling fails
+                return qrBytes;
+            }
+        }
+
+        private int DetectModuleSize(Bitmap qrImage)
+        {
+            // Simple detection: scan from top-left to find first module boundaries
+            // QR codes typically have quiet zones, so we look for the first black pixel pattern
+            for (int size = 4; size <= 20; size++)
+            {
+                if (IsValidModuleSize(qrImage, size))
+                {
+                    return size;
+                }
+            }
+            return 8; // Fallback
+        }
+
+        private bool IsValidModuleSize(Bitmap image, int moduleSize)
+        {
+            // Simple validation: check if the suspected module size creates a reasonable grid
+            var expectedModules = image.Width / moduleSize;
+            return expectedModules >= 21 && expectedModules <= 177 && (expectedModules % 4 == 1);
+        }
+
+        private List<QRModule> ExtractQRModules(Bitmap image, int moduleSize)
+        {
+            var modules = new List<QRModule>();
+            var modulesPerRow = image.Width / moduleSize;
+            
+            for (int row = 0; row < modulesPerRow; row++)
+            {
+                for (int col = 0; col < modulesPerRow; col++)
+                {
+                    var x = col * moduleSize + moduleSize / 2;
+                    var y = row * moduleSize + moduleSize / 2;
+                    
+                    if (x < image.Width && y < image.Height)
+                    {
+                        var pixel = image.GetPixel(x, y);
+                        var isBlack = pixel.R < 128; // Simple threshold
+                        
+                        modules.Add(new QRModule
+                        {
+                            X = col * moduleSize,
+                            Y = row * moduleSize,
+                            Size = moduleSize,
+                            IsBlack = isBlack
+                        });
+                    }
+                }
+            }
+            
+            return modules;
+        }
+
+        private void DrawStyledModule(Graphics graphics, QRModule module, string style, int moduleSize)
+        {
+            using var brush = new SolidBrush(System.Drawing.Color.Black);
+            
+            switch (style.ToLower())
+            {
+                case "rounded":
+                    // Draw rounded rectangles
+                    var roundedRect = new Rectangle(module.X, module.Y, moduleSize, moduleSize);
+                    using (var path = CreateRoundedRectPath(roundedRect, moduleSize / 4))
+                    {
+                        graphics.FillPath(brush, path);
+                    }
+                    break;
+                    
+                case "circle":
+                case "dots":
+                    // Draw circles/dots
+                    var margin = moduleSize / 6;
+                    graphics.FillEllipse(brush, 
+                        module.X + margin, module.Y + margin, 
+                        moduleSize - 2 * margin, moduleSize - 2 * margin);
+                    break;
+                    
+                case "leaf":
+                    // Draw leaf-shaped modules (rounded on one side)
+                    DrawLeafModule(graphics, brush, module, moduleSize);
+                    break;
+                    
+                default:
+                    // Square (fallback)
+                    graphics.FillRectangle(brush, module.X, module.Y, moduleSize, moduleSize);
+                    break;
+            }
+        }
+
+        private System.Drawing.Drawing2D.GraphicsPath CreateRoundedRectPath(Rectangle rect, int radius)
+        {
+            var path = new System.Drawing.Drawing2D.GraphicsPath();
+            path.AddArc(rect.X, rect.Y, radius * 2, radius * 2, 180, 90);
+            path.AddArc(rect.Right - radius * 2, rect.Y, radius * 2, radius * 2, 270, 90);
+            path.AddArc(rect.Right - radius * 2, rect.Bottom - radius * 2, radius * 2, radius * 2, 0, 90);
+            path.AddArc(rect.X, rect.Bottom - radius * 2, radius * 2, radius * 2, 90, 90);
+            path.CloseFigure();
+            return path;
+        }
+
+        private void DrawLeafModule(Graphics graphics, SolidBrush brush, QRModule module, int moduleSize)
+        {
+            // Create a path that looks like a leaf (rounded on top-right, square elsewhere)
+            using var path = new System.Drawing.Drawing2D.GraphicsPath();
+            var rect = new Rectangle(module.X, module.Y, moduleSize, moduleSize);
+            var radius = moduleSize / 3;
+            
+            // Start from top-left, go clockwise
+            path.AddLine(rect.X, rect.Y, rect.Right - radius, rect.Y);
+            path.AddArc(rect.Right - radius * 2, rect.Y, radius * 2, radius * 2, 270, 90);
+            path.AddLine(rect.Right, rect.Y + radius, rect.Right, rect.Bottom);
+            path.AddLine(rect.Right, rect.Bottom, rect.X, rect.Bottom);
+            path.AddLine(rect.X, rect.Bottom, rect.X, rect.Y);
+            path.CloseFigure();
+            
+            graphics.FillPath(brush, path);
+        }
+
+        private class QRModule
+        {
+            public int X { get; set; }
+            public int Y { get; set; }
+            public int Size { get; set; }
+            public bool IsBlack { get; set; }
+        }
     }
 }

Views/Home/Index.cshtml

@@ -158,19 +158,70 @@
                                         @if (User.Identity.IsAuthenticated)
                                         {
                                             <div class="row">
-                                                <div class="col-md-6 mb-3">
+                                                @{
-                                                    <label class="form-label">@Localizer["LogoIcon"]</label>
+                                                    var userService = Context.RequestServices.GetService<QRRapidoApp.Services.IUserService>();
-                                                    <input type="file" id="logo-upload" class="form-control" accept="image/*">
+                                                    var currentUserId = User?.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
-                                                    <div class="form-text">@Localizer["PNGJPGUp2MB"]</div>
+                                                    var currentUser = currentUserId != null ? await userService.GetUserAsync(currentUserId) : null;
-                                                </div>
+                                                    var isPremium = currentUser?.IsPremium == true;
+                                                }
+                                                
+                                                @if (isPremium)
+                                                {
+                                                    <div class="col-md-6 mb-3">
+                                                        <label class="form-label">
+                                                            @Localizer["LogoIcon"] 
+                                                            <span class="badge bg-warning text-dark ms-1">Premium</span>
+                                                        </label>
+                                                        <input type="file" id="logo-upload" class="form-control" accept="image/png,image/jpeg,image/jpg">
+                                                        <div class="form-text">@Localizer["PNGJPGUp2MB"]</div>
+                                                        <div id="logo-preview" class="mt-2 d-none">
+                                                            <small class="text-success">
+                                                                <i class="fas fa-check-circle"></i> 
+                                                                <span id="logo-filename"></span>
+                                                            </small>
+                                                        </div>
+                                                    </div>
+                                                }
+                                                else
+                                                {
+                                                    <div class="col-md-6 mb-3">
+                                                        <div class="premium-upgrade-box p-3 border rounded bg-light">
+                                                            <h6 class="fw-bold mb-2">
+                                                                <i class="fas fa-crown text-warning"></i> 
+                                                                Logo Personalizado - Premium
+                                                            </h6>
+                                                            <p class="mb-2 small">Adicione sua marca aos QR Codes! Upgrade para Premium e personalize com seu logo.</p>
+                                                            <a href="/Pagamento/SelecaoPlano" class="btn btn-warning btn-sm">
+                                                                <i class="fas fa-arrow-up"></i> Fazer Upgrade
+                                                            </a>
+                                                        </div>
+                                                    </div>
+                                                }
+                                                
                                                 <div class="col-md-6 mb-3">
                                                     <label class="form-label">@Localizer["BorderStyle"]</label>
-                                                    <select id="corner-style" class="form-select">
+                                                    <select id="corner-style" class="form-select @(isPremium ? "" : "border-warning")">
-                                                        <option value="square">@Localizer["Square"]</option>
+                                                        <option value="square">@Localizer["Square"] (Grátis)</option>
-                                                        <option value="rounded">@Localizer["Rounded"]</option>
+                                                        @if (isPremium)
-                                                        <option value="circle">@Localizer["Circular"]</option>
+                                                        {
-                                                        <option value="leaf">@Localizer["Leaf"]</option>
+                                                            <option value="rounded">@Localizer["Rounded"] 👑</option>
+                                                            <option value="circle">Círculos 👑</option>
+                                                            <option value="leaf">Folha 👑</option>
+                                                        }
+                                                        else
+                                                        {
+                                                            <option value="rounded" disabled>@Localizer["Rounded"] - Premium 👑</option>
+                                                            <option value="circle" disabled>Círculos - Premium 👑</option>
+                                                            <option value="leaf" disabled>Folha - Premium 👑</option>
+                                                        }
                                                     </select>
+                                                    @if (!isPremium)
+                                                    {
+                                                        <div class="form-text text-warning">
+                                                            <i class="fas fa-crown"></i> 
+                                                            <a href="/Pagamento/SelecaoPlano" class="text-warning">Upgrade Premium</a> para estilos personalizados
+                                                        </div>
+                                                    }
                                                 </div>
                                             </div>
                                         }

wwwroot/js/qr-speed-generator.js

@@ -59,6 +59,18 @@ class QRRapidoGenerator {
             radio.addEventListener('change', this.applyQuickStyle.bind(this));
         });
 
+        // Logo upload feedback
+        const logoUpload = document.getElementById('logo-upload');
+        if (logoUpload) {
+            logoUpload.addEventListener('change', this.handleLogoSelection.bind(this));
+        }
+
+        // Corner style validation for non-premium users
+        const cornerStyle = document.getElementById('corner-style');
+        if (cornerStyle) {
+            cornerStyle.addEventListener('change', this.handleCornerStyleChange.bind(this));
+        }
+        
         // QR type change with hints
         const qrType = document.getElementById('qr-type');
         if (qrType) {
@@ -295,28 +307,47 @@ class QRRapidoGenerator {
         this.startTime = performance.now();
         this.showGenerationStarted();
         
-        const formData = this.collectFormData();
+        const requestData = this.collectFormData();
         
         try {
-            const response = await fetch('/api/QR/GenerateRapid', {
+            // Build fetch options based on request type
+            const fetchOptions = {
                 method: 'POST',
-                headers: {
+                body: requestData.isMultipart ? requestData.data : JSON.stringify(requestData.data)
-                    'Content-Type': 'application/json',
+            };
-                },
+            
-                body: JSON.stringify(formData)
+            // Add Content-Type header only for JSON requests (FormData sets its own)
-            });
+            if (!requestData.isMultipart) {
+                fetchOptions.headers = {
+                    'Content-Type': 'application/json'
+                };
+            }
+            
+            const response = await fetch(requestData.endpoint, fetchOptions);
             
             if (!response.ok) {
+                const errorData = await response.json().catch(() => ({}));
+                
                 if (response.status === 429) {
                     this.showUpgradeModal('Limite de QR codes atingido! Upgrade para QR Rapido Premium e gere códigos ilimitados.');
                     return;
                 }
-                throw new Error('Erro na geração');
+                
+                if (response.status === 400 && errorData.requiresPremium) {
+                    this.showUpgradeModal(errorData.error || 'Logo personalizado é exclusivo do plano Premium.');
+                    return;
+                }
+                
+                throw new Error(errorData.error || 'Erro na geração');
             }
             
             const result = await response.json();
             
             if (!result.success) {
+                if (result.requiresPremium) {
+                    this.showUpgradeModal(result.error || 'Logo personalizado é exclusivo do plano Premium.');
+                    return;
+                }
                 throw new Error(result.error || 'Erro desconhecido');
             }
             
@@ -324,7 +355,7 @@ class QRRapidoGenerator {
             
             this.displayQRResult(result, generationTime);
             this.updateSpeedStats(generationTime);
-            this.trackGenerationEvent(formData.type, generationTime);
+            this.trackGenerationEvent(requestData.data.type || requestData.data.get('type'), generationTime);
             
         } catch (error) {
             console.error('Erro ao gerar QR:', error);
@@ -360,19 +391,84 @@ class QRRapidoGenerator {
         const quickStyle = document.querySelector('input[name="quick-style"]:checked')?.value || 'classic';
         const styleSettings = this.getStyleSettings(quickStyle);
         
-        return {
+        // Check if logo is selected for premium users
-            type: document.getElementById('qr-type').value,
+        const logoUpload = document.getElementById('logo-upload');
-            content: document.getElementById('qr-content').value,
+        const hasLogo = logoUpload && logoUpload.files && logoUpload.files[0];
-            quickStyle: quickStyle,
+        
-            primaryColor: document.getElementById('primary-color').value,
+        if (hasLogo) {
-            backgroundColor: document.getElementById('bg-color').value,
+            // Use FormData for premium users with logo
-            size: parseInt(document.getElementById('qr-size').value),
+            const formData = new FormData();
-            margin: parseInt(document.getElementById('qr-margin').value),
+            
-            cornerStyle: document.getElementById('corner-style')?.value || 'square',
+            // Get user-selected colors with proper priority
-            optimizeForSpeed: true,
+            const userPrimaryColor = document.getElementById('primary-color').value;
-            language: this.currentLang,
+            const userBackgroundColor = document.getElementById('bg-color').value;
-            ...styleSettings
+            
-        };
+            // Priority: User selection > Style defaults > Fallback
+            // Always use user selection if it exists, regardless of what color it is
+            const finalPrimaryColor = userPrimaryColor || (styleSettings.primaryColor || '#000000');
+            const finalBackgroundColor = userBackgroundColor || (styleSettings.backgroundColor || '#FFFFFF');
+            
+            // Debug logging for color selection
+            console.log('🎨 Color Selection Debug (FormData):');
+            console.log('  Style:', quickStyle);
+            console.log('  Style Default Primary:', styleSettings.primaryColor);
+            console.log('  User Selected Primary:', userPrimaryColor);
+            console.log('  Final Primary Color:', finalPrimaryColor);
+            console.log('  Final Background Color:', finalBackgroundColor);
+            
+            // Add basic form fields
+            formData.append('type', document.getElementById('qr-type').value);
+            formData.append('content', document.getElementById('qr-content').value);
+            formData.append('quickStyle', quickStyle);
+            formData.append('primaryColor', finalPrimaryColor);
+            formData.append('backgroundColor', finalBackgroundColor);
+            formData.append('size', parseInt(document.getElementById('qr-size').value));
+            formData.append('margin', parseInt(document.getElementById('qr-margin').value));
+            formData.append('cornerStyle', document.getElementById('corner-style')?.value || 'square');
+            formData.append('optimizeForSpeed', 'true');
+            formData.append('language', this.currentLang);
+            
+            // Add logo file
+            formData.append('logo', logoUpload.files[0]);
+            console.log('Logo file added to form data:', logoUpload.files[0].name, logoUpload.files[0].size + ' bytes');
+            
+            return { data: formData, isMultipart: true, endpoint: '/api/QR/GenerateRapidWithLogo' };
+        } else {
+            // Use JSON for basic QR generation (original working method)
+            // Get user-selected colors
+            const userPrimaryColor = document.getElementById('primary-color').value;
+            const userBackgroundColor = document.getElementById('bg-color').value;
+            
+            // Priority: User selection > Style defaults > Fallback
+            // Always use user selection if it exists, regardless of what color it is
+            const finalPrimaryColor = userPrimaryColor || (styleSettings.primaryColor || '#000000');
+            const finalBackgroundColor = userBackgroundColor || (styleSettings.backgroundColor || '#FFFFFF');
+            
+            // Debug logging for color selection
+            console.log('🎨 Color Selection Debug (JSON):');
+            console.log('  Style:', quickStyle);
+            console.log('  Style Default Primary:', styleSettings.primaryColor);
+            console.log('  User Selected Primary:', userPrimaryColor);
+            console.log('  Final Primary Color:', finalPrimaryColor);
+            console.log('  Final Background Color:', finalBackgroundColor);
+            
+            return {
+                data: {
+                    type: document.getElementById('qr-type').value,
+                    content: document.getElementById('qr-content').value,
+                    quickStyle: quickStyle,
+                    primaryColor: finalPrimaryColor,
+                    backgroundColor: finalBackgroundColor,
+                    size: parseInt(document.getElementById('qr-size').value),
+                    margin: parseInt(document.getElementById('qr-margin').value),
+                    cornerStyle: document.getElementById('corner-style')?.value || 'square',
+                    optimizeForSpeed: true,
+                    language: this.currentLang
+                },
+                isMultipart: false,
+                endpoint: '/api/QR/GenerateRapid'
+            };
+        }
     }
 
     getStyleSettings(style) {
@@ -562,6 +658,61 @@ class QRRapidoGenerator {
         }
     }
 
+    handleLogoSelection(e) {
+        const file = e.target.files[0];
+        const logoPreview = document.getElementById('logo-preview');
+        const logoFilename = document.getElementById('logo-filename');
+        
+        if (file) {
+            // Validate file size (2MB max)
+            if (file.size > 2 * 1024 * 1024) {
+                this.showError('Logo muito grande. Máximo 2MB.');
+                e.target.value = ''; // Clear the input
+                logoPreview?.classList.add('d-none');
+                return;
+            }
+            
+            // Validate file type
+            const allowedTypes = ['image/png', 'image/jpeg', 'image/jpg'];
+            if (!allowedTypes.includes(file.type)) {
+                this.showError('Formato inválido. Use PNG ou JPG.');
+                e.target.value = ''; // Clear the input
+                logoPreview?.classList.add('d-none');
+                return;
+            }
+            
+            // Show success feedback
+            if (logoFilename) {
+                const fileSizeKB = Math.round(file.size / 1024);
+                logoFilename.textContent = `${file.name} (${fileSizeKB}KB)`;
+            }
+            logoPreview?.classList.remove('d-none');
+            
+            console.log('Logo selected:', file.name, file.size + ' bytes', file.type);
+        } else {
+            // Hide preview when no file selected
+            logoPreview?.classList.add('d-none');
+        }
+    }
+
+    handleCornerStyleChange(e) {
+        const selectedStyle = e.target.value;
+        const premiumStyles = ['rounded', 'circle', 'leaf'];
+        
+        if (premiumStyles.includes(selectedStyle)) {
+            // Check if user is premium (we can detect this by checking if the option is disabled)
+            const option = e.target.options[e.target.selectedIndex];
+            if (option.disabled) {
+                // Reset to square
+                e.target.value = 'square';
+                this.showUpgradeModal('Estilos de borda personalizados são exclusivos do plano Premium. Faça upgrade para usar esta funcionalidade.');
+                return;
+            }
+        }
+        
+        console.log('Corner style selected:', selectedStyle);
+    }
+
     applyQuickStyle(e) {
         const style = e.target.value;
         const settings = this.getStyleSettings(style);
@@ -617,6 +768,48 @@ class QRRapidoGenerator {
         window.qrRapidoStats.times.push(parseFloat(time));
     }
 
+    updateSpeedStats(generationTime) {
+        // Update the live statistics display
+        const timeFloat = parseFloat(generationTime);
+        
+        // Update average time display in the stats cards
+        const avgElement = document.querySelector('.card-body h5:contains("1.2s")');
+        if (avgElement) {
+            const avgTime = window.qrRapidoStats ? window.qrRapidoStats.getAverageTime() : generationTime;
+            avgElement.innerHTML = `<i class="fas fa-stopwatch"></i> ${avgTime}s`;
+        }
+        
+        // Update the generation timer in the header
+        const timerElement = document.querySelector('.generation-timer span');
+        if (timerElement) {
+            timerElement.textContent = `${generationTime}s`;
+        }
+        
+        // Update performance statistics
+        if (!window.qrRapidoPerformance) {
+            window.qrRapidoPerformance = {
+                totalGenerations: 0,
+                totalTime: 0,
+                bestTime: Infinity,
+                worstTime: 0
+            };
+        }
+        
+        const perf = window.qrRapidoPerformance;
+        perf.totalGenerations++;
+        perf.totalTime += timeFloat;
+        perf.bestTime = Math.min(perf.bestTime, timeFloat);
+        perf.worstTime = Math.max(perf.worstTime, timeFloat);
+        
+        // Log performance statistics for debugging
+        console.log('📊 Performance Update:', {
+            currentTime: `${generationTime}s`,
+            averageTime: `${(perf.totalTime / perf.totalGenerations).toFixed(1)}s`,
+            bestTime: `${perf.bestTime.toFixed(1)}s`,
+            totalGenerations: perf.totalGenerations
+        });
+    }
+
     isPremiumUser() {
         return document.querySelector('.text-success')?.textContent.includes('Premium Ativo') || false;
     }