add network logging

@@ -35,7 +35,7 @@ extension UIDevice {
         let machineMirror = Mirror(reflecting: systemInfo.machine)
         let identifier = machineMirror.children.reduce("") { identifier, element in
             guard let value = element.value as? Int8, value != 0 else { return identifier }
-            return identifier + String(UnicodeScalar(UInt8(value))!)
+            return identifier + String(UnicodeScalar(UInt8(value)))
         }
         return identifier
     }
@@ -182,16 +182,27 @@ public final class NetworkService: NetworkServiceProtocol {
     private func performRequest(_ endpoint: Endpoint) async throws -> Data {
         // Check network connectivity
         guard isConnected else {
+            print("🔴 [NetworkService] No internet connection")
             throw NetworkError.networkError(NSError(domain: "NetworkService", code: -1009, userInfo: [NSLocalizedDescriptionKey: "No internet connection"]))
         }
         
         let request = try buildRequest(for: endpoint)
         
+        // 📤 LOG REQUEST DETAILS
+        logRequest(request, endpoint: endpoint)
+        
         do {
             let (data, response) = try await session.data(for: request)
+            
+            // 📥 LOG RESPONSE DETAILS
+            logResponse(response, data: data, endpoint: endpoint)
+            
             try validateResponse(response)
             return data
         } catch {
+            // 🔴 LOG ERROR DETAILS
+            logError(error, endpoint: endpoint)
+            
             // Handle token refresh if needed
             if let httpResponse = error as? HTTPURLResponse, httpResponse.statusCode == 401 {
                 if endpoint.requiresAuthentication {
@@ -358,6 +369,125 @@ public final class NetworkService: NetworkServiceProtocol {
             throw NetworkError.serverError(httpResponse.statusCode)
         }
     }
+    
+    // MARK: - Logging Methods
+    
+    /// Log detailed request information
+    private func logRequest(_ request: URLRequest, endpoint: Endpoint) {
+        print("\n📤 [NetworkService] REQUEST")
+        print("🔗 URL: \(request.url?.absoluteString ?? "Unknown")")
+        print("🔧 Method: \(request.httpMethod ?? "Unknown")")
+        print("⏱️ Timeout: \(request.timeoutInterval)s")
+        
+        // Log headers
+        print("📋 Headers:")
+        if let headers = request.allHTTPHeaderFields {
+            for (key, value) in headers.sorted(by: { $0.key < $1.key }) {
+                // Mask sensitive headers for security
+                let maskedValue = maskSensitiveHeader(key: key, value: value)
+                print("   \(key): \(maskedValue)")
+            }
+        } else {
+            print("   (No headers)")
+        }
+        
+        // Log body
+        if let body = request.httpBody {
+            print("📦 Body Size: \(body.count) bytes")
+            if let bodyString = String(data: body, encoding: .utf8) {
+                print("📦 Body Content: \(bodyString)")
+            } else {
+                print("📦 Body Content: (Binary data)")
+            }
+        } else {
+            print("📦 Body: (No body)")
+        }
+        
+        print("🎯 Endpoint Info:")
+        print("   Path: \(endpoint.path)")
+        print("   Requires Auth: \(endpoint.requiresAuthentication)")
+        print("   Parameters: \(endpoint.parameters?.count ?? 0) items")
+        print("===============================")
+    }
+    
+    /// Log detailed response information
+    private func logResponse(_ response: URLResponse, data: Data, endpoint: Endpoint) {
+        print("\n📥 [NetworkService] RESPONSE")
+        print("🔗 URL: \(response.url?.absoluteString ?? "Unknown")")
+        
+        if let httpResponse = response as? HTTPURLResponse {
+            let statusEmoji = httpResponse.statusCode >= 200 && httpResponse.statusCode < 300 ? "✅" : "❌"
+            print("\(statusEmoji) Status: \(httpResponse.statusCode)")
+            
+            // Log response headers
+            print("📋 Response Headers:")
+            for (key, value) in httpResponse.allHeaderFields.sorted(by: { "\($0.key)" < "\($1.key)" }) {
+                print("   \(key): \(value)")
+            }
+        }
+        
+        print("📦 Response Size: \(data.count) bytes")
+        
+        // Log response body
+        if let responseString = String(data: data, encoding: .utf8) {
+            print("📦 Response Body:")
+            // Pretty print JSON if possible
+            if let jsonData = responseString.data(using: .utf8),
+               let jsonObject = try? JSONSerialization.jsonObject(with: jsonData, options: []),
+               let prettyData = try? JSONSerialization.data(withJSONObject: jsonObject, options: .prettyPrinted),
+               let prettyString = String(data: prettyData, encoding: .utf8) {
+                print(prettyString)
+            } else {
+                print(responseString)
+            }
+        } else {
+            print("📦 Response Body: (Binary data)")
+        }
+        print("===============================")
+    }
+    
+    /// Log error information
+    private func logError(_ error: Error, endpoint: Endpoint) {
+        print("\n🔴 [NetworkService] ERROR")
+        print("🔗 Endpoint: \(endpoint.path)")
+        print("❌ Error: \(error.localizedDescription)")
+        
+        if let urlError = error as? URLError {
+            print("🌐 URL Error Code: \(urlError.code.rawValue)")
+            print("🌐 URL Error Description: \(urlError.localizedDescription)")
+        }
+        
+        if let httpResponse = (error as NSError).userInfo["response"] as? HTTPURLResponse {
+            print("📊 HTTP Status: \(httpResponse.statusCode)")
+        }
+        
+        print("🔍 Error Details: \(error)")
+        print("===============================")
+    }
+    
+    /// Mask sensitive header values for security
+    private func maskSensitiveHeader(key: String, value: String) -> String {
+        let sensitiveHeaders = [
+            "authorization",
+            "loyalty-signature",
+            "access-token",
+            "refresh-token",
+            "api-key",
+            "x-api-key"
+        ]
+        
+        if sensitiveHeaders.contains(key.lowercased()) {
+            if value.count > 8 {
+                let prefix = String(value.prefix(4))
+                let suffix = String(value.suffix(4))
+                return "\(prefix)***\(suffix)"
+            } else {
+                return "***"
+            }
+        }
+        
+        return value
+    }
 }
 
 // MARK: - Network Service Extensions