feat: 第二个盲盒流程

wake/Utils/ApiClient/BlindBoxApi.swift

@@ -59,6 +59,28 @@ class BlindBoxApi {
         )
     }
 
+    /// 使用 async/await 生成盲盒
+    /// - Parameters:
+    ///   - boxType: 盲盒类型 (如 "First")
+    ///   - materialIds: 素材ID数组
+    /// - Returns: 盲盒数据
+    @available(iOS 13.0, *)
+    func generateBlindBox(boxType: String, materialIds: [String]) async throws -> BlindBoxData? {
+        let parameters: [String: Any] = [
+            "box_type": boxType,
+            "material_ids": materialIds
+        ]
+        let response: GenerateBlindBoxResponse = try await NetworkService.shared.postWithToken(
+            path: "/blind_box/generate",
+            parameters: parameters
+        )
+        if response.code == 0 {
+            return response.data
+        } else {
+            throw NetworkError.serverError("服务器返回错误码: \(response.code)")
+        }
+    }
+
     /// 获取盲盒信息
     /// - Parameters:
     ///   - boxId: 盲盒ID

wake/Utils/ApiClient/MaterialUpload.swift

@@ -63,4 +63,50 @@ class MaterialUpload {
             }
         )
     }
+
+    /// 使用 async/await 方式添加素材到服务器
+    /// - Parameters:
+    ///   - fileId: 文件ID
+    ///   - previewFileId: 预览文件ID
+    /// - Returns: 结果ID数组（可为空）
+    /// - Throws: NetworkError 或其他错误
+    func addMaterial(
+        fileId: String,
+        previewFileId: String
+    ) async throws -> [String]? {
+        // 创建请求数据（数组结构，与现有接口保持一致）
+        let materials: [[String: String]] = [[
+            "file_id": fileId,
+            "preview_file_id": previewFileId
+        ]]
+        
+        // 调试信息
+        print("🔍(async) 准备发送的参数: \(materials)")
+        
+        // 直接使用 async/await 版本的 post
+        let response: AddMaterialResponse = try await NetworkService.shared.post(
+            path: "/material",
+            parameters: materials
+        )
+        
+        // 按业务约定检查 code
+        if response.code == 0 {
+            return response.data
+        } else {
+            throw NetworkError.serverError("服务器返回错误码: \(response.code)")
+        }
+    }
+
+    func addMaterials(files: [[String: String]]) async throws -> [String]? {
+        let response: AddMaterialResponse = try await NetworkService.shared.post(
+            path: "/material",
+            parameters: files
+        )
+        if response.code == 0 {
+            return response.data
+        } else {
+            throw NetworkError.serverError("服务器返回错误码: \(response.code)")
+        }
+    }
 }
+

wake/Utils/NetworkService.swift

@@ -143,6 +143,42 @@ extension NetworkService {
             }
         }
     }
+
+    /// 使用 async/await 的 POST 请求（支持数组或字典参数）
+    public func post<T: Decodable>(
+        path: String,
+        parameters: Any? = nil,
+        headers: [String: String]? = nil
+    ) async throws -> T {
+        return try await withCheckedThrowingContinuation { continuation in
+            post(path: path, parameters: parameters, headers: headers) { (result: Result<T, NetworkError>) in
+                switch result {
+                case .success(let value):
+                    continuation.resume(returning: value)
+                case .failure(let error):
+                    continuation.resume(throwing: error)
+                }
+            }
+        }
+    }
+
+    /// 使用 async/await 的 POST 请求（带Token，支持数组或字典参数）
+    public func postWithToken<T: Decodable>(
+        path: String,
+        parameters: Any? = nil,
+        headers: [String: String]? = nil
+    ) async throws -> T {
+        return try await withCheckedThrowingContinuation { continuation in
+            postWithToken(path: path, parameters: parameters, headers: headers) { (result: Result<T, NetworkError>) in
+                switch result {
+                case .success(let value):
+                    continuation.resume(returning: value)
+                case .failure(let error):
+                    continuation.resume(throwing: error)
+                }
+            }
+        }
+    }
 }
 
 public enum NetworkError: Error {

wake/View/OnBoarding/MediaUploadView.swift

@@ -0,0 +1,722 @@
+import SwiftUI
+import PhotosUI
+import AVKit
+import CoreTransferable
+import CoreImage.CIFilterBuiltins
+
+extension Notification.Name {
+    static let didAddFirstMedia = Notification.Name("didAddFirstMedia")
+}
+/// 主上传视图
+/// 提供媒体选择、预览和上传功能
+@MainActor
+struct MediaUploadView: View {
+    // MARK: - 属性
+    
+    /// 上传管理器，负责处理上传逻辑
+    @StateObject private var uploadManager = MediaUploadManager()
+    /// 控制媒体选择器的显示/隐藏
+    @State private var showMediaPicker = false
+    /// 当前选中的媒体项
+    @State private var selectedMedia: MediaType? = nil
+    /// 当前选中的媒体索引集合
+    @State private var selectedIndices: Set<Int> = []
+    @State private var mediaPickerSelection: [MediaType] = []  // 添加这个状态变量
+    /// 上传完成状态
+    @State private var uploadComplete = false
+    /// 上传完成的文件ID列表
+    @State private var uploadedFileIds: [[String: String]] = []
+    
+    // MARK: - 视图主体
+    
+    var body: some View {
+        VStack(spacing: 0) {
+            // 顶部导航栏
+            topNavigationBar
+            
+            // 上传提示信息
+            uploadHintView
+            Spacer()
+                .frame(height: uploadManager.selectedMedia.isEmpty ? 80 : 40)
+            // 主上传区域
+            MainUploadArea(
+                uploadManager: uploadManager,
+                showMediaPicker: $showMediaPicker,
+                selectedMedia: $selectedMedia
+            )
+            .id("mainUploadArea\(uploadManager.selectedMedia.count)")
+            
+            Spacer()
+            
+            // // 上传结果展示
+            // if uploadComplete && !uploadedFileIds.isEmpty {
+            //     VStack(alignment: .leading) {
+            //         Text("上传完成！")
+            //             .font(.headline)
+                    
+            //         ScrollView {
+            //             ForEach(Array(uploadedFileIds.enumerated()), id: \.offset) { index, fileInfo in
+            //                 VStack(alignment: .leading) {
+            //                     Text("文件 \(index + 1):")
+            //                         .font(.subheadline)
+            //                     Text("ID: \(fileInfo["file_id"] ?? "")")
+            //                         .font(.caption)
+            //                         .foregroundColor(.gray)
+            //                 }
+            //                 .padding()
+            //                 .frame(maxWidth: .infinity, alignment: .leading)
+            //                 .background(Color.gray.opacity(0.1))
+            //                 .cornerRadius(8)
+            //             }
+            //         }
+            //         .frame(height: 200)
+            //     }
+            //     .padding()
+            // }
+            
+            // 继续按钮
+            continueButton
+                .padding(.bottom, 24)
+        }
+        .background(Color.themeTextWhiteSecondary)
+        .navigationBarTitleDisplayMode(.inline)
+        .navigationBarBackButtonHidden(true)
+        .sheet(isPresented: $showMediaPicker) {
+            // 媒体选择器
+            mediaPickerView
+        }
+        .onChange(of: uploadManager.uploadResults) { newResults in
+            handleUploadCompletion(results: newResults)
+        }
+    }
+    
+    // MARK: - 子视图
+    
+    /// 顶部导航栏
+    private var topNavigationBar: some View {
+        HStack {
+            // 返回按钮
+            Button(action: { Router.shared.pop() }) {
+                Image(systemName: "chevron.left")
+                    .font(.system(size: 17, weight: .semibold))
+                    .foregroundColor(.themeTextMessageMain)
+            }
+            .padding(.leading, 16)
+            
+            Spacer()
+            
+            // 标题
+            Text("Complete Your Profile")
+                .font(Typography.font(for: .title2, family: .quicksandBold))
+                .foregroundColor(.themeTextMessageMain)
+            
+            Spacer()
+            
+            // 右侧占位视图（保持布局平衡）
+            Color.clear
+                .frame(width: 24, height: 24)
+                .padding(.trailing, 16)
+        }
+        .background(Color.themeTextWhiteSecondary)
+        // .padding(.horizontal)
+        .zIndex(1) // 确保导航栏显示在最上层
+    }
+    
+    /// 上传提示视图
+    private var uploadHintView: some View {
+        HStack (spacing: 6) {
+            SVGImage(svgName: "Tips")
+                        .frame(width: 16, height: 16)
+                        .padding(.leading,6)
+            Text("The upload process will take approximately 2 minutes. Thank you for your patience.")
+                .font(.caption)
+                .foregroundColor(.black)
+                .frame(maxWidth: .infinity, alignment: .leading)
+                .padding(3)
+        }
+        .background(
+            Color.themeTextWhite
+                .cornerRadius(6)
+        )
+        .padding(.vertical, 8)
+        .padding(.horizontal)
+    }
+    
+    /// 继续按钮
+    private var continueButton: some View {
+        Button(action: handleContinue) {
+            Text("Continue")
+                .font(.headline)
+                .foregroundColor(uploadManager.selectedMedia.isEmpty ? Color.themeTextMessage : Color.themeTextMessageMain)
+                .frame(maxWidth: .infinity)
+                .frame(height: 56)
+                .background(uploadManager.selectedMedia.isEmpty ? Color.white : Color.themePrimary)
+                .cornerRadius(28)
+                .padding(.horizontal, 24)
+        }
+        .buttonStyle(PlainButtonStyle())
+        .disabled(uploadManager.selectedMedia.isEmpty)
+    }
+    
+    /// 媒体选择器视图
+    private var mediaPickerView: some View {
+        MediaPicker(
+            selectedMedia: Binding(
+                get: { mediaPickerSelection },
+                set: { newSelections in
+                    print("🔄 开始处理用户选择的媒体文件")
+                    print("📌 新选择的媒体数量: \(newSelections.count)")
+                    
+                    // 1. 去重处理：过滤掉已经存在的媒体项
+                    var uniqueNewMedia: [MediaType] = []
+                    
+                    for newItem in newSelections {
+                        let isDuplicate = uploadManager.selectedMedia.contains { existingItem in
+                            switch (existingItem, newItem) {
+                            case (.image(let existingImage), .image(let newImage)):
+                                return existingImage.pngData() == newImage.pngData()
+                            case (.video(let existingURL, _), .video(let newURL, _)):
+                                return existingURL == newURL
+                            default:
+                                return false
+                            }
+                        }
+                        
+                        if !isDuplicate {
+                            uniqueNewMedia.append(newItem)
+                        } else {
+                            print("⚠️ 检测到重复文件，已跳过: \(newItem)")
+                        }
+                    }
+                    
+                    // 2. 添加新文件
+                    if !uniqueNewMedia.isEmpty {
+                        print("✅ 添加 \(uniqueNewMedia.count) 个新文件")
+                        uploadManager.addMedia(uniqueNewMedia)
+                        
+                        // 如果没有当前选中的媒体，则选择第一个新添加的
+                        if selectedMedia == nil, let firstNewItem = uniqueNewMedia.first {
+                            selectedMedia = firstNewItem
+                        }
+                        
+                        // 开始上传
+                        uploadManager.startUpload()
+                    } else {
+                        print("ℹ️ 没有新文件需要添加，所有选择的文件都已存在")
+                    }
+                }
+            ),
+            imageSelectionLimit: max(0, 20 - uploadManager.selectedMedia.filter { 
+                if case .image = $0 { return true }
+                return false
+            }.count),
+            videoSelectionLimit: max(0, 5 - uploadManager.selectedMedia.filter {
+                if case .video = $0 { return true }
+                return false
+            }.count),
+            selectionMode: .multiple,
+            onDismiss: handleMediaPickerDismiss,
+            onUploadProgress: { index, progress in
+                print("文件 \(index) 上传进度: \(progress * 100)%")
+            }
+        )
+        .onAppear {
+            // 重置选择状态当选择器出现时
+            mediaPickerSelection = []
+        }
+    }
+    
+    // MARK: - 私有方法
+    
+    /// 处理媒体选择器关闭事件
+    private func handleMediaPickerDismiss() {
+        showMediaPicker = false
+        print("媒体选择器关闭 - 开始处理")
+        
+        // 如果有选中的媒体，开始上传
+        if !uploadManager.selectedMedia.isEmpty {
+            // 不需要在这里开始上传，因为handleMediaChange会处理
+        }
+    }
+    
+    /// 处理媒体变化
+    /// - Parameters:
+    ///   - newMedia: 新的媒体数组
+    ///   - oldMedia: 旧的媒体数组
+    private func handleMediaChange(_ newMedia: [MediaType], oldMedia: [MediaType]) {
+        print("开始处理媒体变化，新数量: \(newMedia.count), 原数量: \(oldMedia.count)")
+        
+        // 如果没有变化，直接返回
+        guard newMedia != oldMedia else {
+            print("媒体未发生变化，跳过处理")
+            return
+        }
+        
+        // 在后台线程处理媒体变化
+        DispatchQueue.global(qos: .userInitiated).async { [self] in
+            // 找出新增的媒体（在newMedia中但不在oldMedia中的项）
+            let newItems = newMedia.filter { newItem in
+                !oldMedia.contains { $0.id == newItem.id }
+            }
+            
+            print("检测到\(newItems.count)个新增媒体项")
+            
+            // 如果有新增媒体
+            if !newItems.isEmpty {
+                print("准备添加\(newItems.count)个新项...")
+                
+                // 在主线程更新UI
+                DispatchQueue.main.async { [self] in
+                    // 创建新的数组，包含原有媒体和新媒体
+                    var updatedMedia = uploadManager.selectedMedia
+                    updatedMedia.append(contentsOf: newItems)
+                    
+                    // 更新选中的媒体
+                    uploadManager.clearAllMedia()
+                    uploadManager.addMedia(updatedMedia)
+                    
+                    // 如果当前没有选中的媒体，则选中第一个新增的媒体
+                    if selectedIndices.isEmpty && !newItems.isEmpty {
+                        selectedIndices = [oldMedia.count] // 选择第一个新增项的索引
+                        selectedMedia = newItems.first
+                    }
+                    
+                    // 开始上传新添加的媒体
+                    uploadManager.startUpload()
+                    print("媒体添加完成，总数量: \(uploadManager.selectedMedia.count)")
+                }
+            }
+        }
+    }
+    
+    /// 检查是否有正在上传的文件
+    /// - Returns: 是否正在上传
+    private func isUploading() -> Bool {
+        return uploadManager.uploadStatus.values.contains { status in
+            if case .uploading = status { return true }
+            return false
+        }
+    }
+    
+    /// 处理上传完成
+    private func handleUploadCompletion(results: [String: MediaUploadManager.UploadResult]) {
+        // 转换为需要的格式
+        let formattedResults = results.map { (_, result) -> [String: String] in
+            return [
+                "file_id": result.fileId,
+                "preview_file_id": result.thumbnailId ?? result.fileId
+            ]
+        }
+        
+        uploadedFileIds = formattedResults
+        uploadComplete = !uploadedFileIds.isEmpty
+    }
+    
+    /// 处理继续按钮点击
+    private func handleContinue() {
+        // 获取所有已上传文件的结果
+        let uploadResults = uploadManager.uploadResults
+        guard !uploadResults.isEmpty else {
+            print("⚠️ 没有可用的文件ID")
+            return
+        }
+        
+        // 准备请求参数
+        let files = uploadResults.map { (_, result) -> [String: String] in
+            return [
+                "file_id": result.fileId,
+                "preview_file_id": result.thumbnailId ?? result.fileId
+            ]
+        }
+        
+        // 提交素材，并利用返回的素材id数组，创建第二个盲盒
+        Task {
+            do {
+                let materialIds = try await MaterialUpload.shared.addMaterials(files: files)
+                print("🚀 素材ID: \(materialIds ?? [])")
+                // 创建盲盒
+                if let materialIds = materialIds {
+                   let result = try await BlindBoxApi.shared.generateBlindBox(boxType: "Second", materialIds: materialIds)
+                   print("🎉 盲盒结果: \(result ?? nil)")
+                   if let result = result {
+                       let blindBoxId = result.id ?? ""
+                       print("🎉 盲盒ID: \(blindBoxId)")
+                       // 导航到盲盒首页等待盲盒开启
+                       Router.shared.navigate(to: .blindBox(mediaType: .video, blindBoxId: blindBoxId))
+                   }
+                }
+            } catch {
+                print("❌ 添加素材失败: \(error)")
+            }
+        }
+    }
+}
+
+// MARK: - 主上传区域
+
+/// 主上传区域视图
+/// 显示上传提示、媒体预览和添加更多按钮
+struct MainUploadArea: View {
+    // MARK: - 属性
+    
+    /// 上传管理器
+    @ObservedObject var uploadManager: MediaUploadManager
+    /// 控制媒体选择器的显示/隐藏
+    @Binding var showMediaPicker: Bool
+    /// 当前选中的媒体
+    @Binding var selectedMedia: MediaType?
+    
+    // MARK: - 视图主体
+    
+   var body: some View {
+        VStack() {
+            Spacer()
+                .frame(height: 30)
+            // 标题
+            Text("Click to upload 5+ videos to generate your next blind box.")
+                .font(Typography.font(for: .title2, family: .quicksandBold))
+                .fontWeight(.bold)
+                .foregroundColor(.black)
+                .multilineTextAlignment(.center)
+                .padding(.horizontal)
+            Spacer()
+                .frame(height: 50)
+            // 主显示区域
+            if let mediaToDisplay = selectedMedia ?? uploadManager.selectedMedia.first {
+                Button(action: { showMediaPicker = true }) {
+                        MediaPreview(media: mediaToDisplay)
+                            .id(mediaToDisplay.id)
+                            .frame(width: 225, height: 225)
+                            .overlay(
+                                RoundedRectangle(cornerRadius: 16)
+                                    .stroke(Color.themePrimary, lineWidth: 5)
+                            )
+                            .cornerRadius(16)
+                            .padding(.horizontal)
+                            .transition(.opacity)
+                }
+            } else {
+                UploadPromptView(showMediaPicker: $showMediaPicker)
+            }
+            // 媒体预览区域
+            mediaPreviewSection
+            Spacer()
+                .frame(height: 10)
+        }
+        .onAppear {
+            print("MainUploadArea appeared")
+            print("Selected media count: \(uploadManager.selectedMedia.count)")
+            
+            if selectedMedia == nil, let firstMedia = uploadManager.selectedMedia.first {
+                print("Selecting first media: \(firstMedia.id)")
+                selectedMedia = firstMedia
+            }
+        }
+        .onReceive(NotificationCenter.default.publisher(for: .didAddFirstMedia)) { notification in
+            if let media = notification.userInfo?["media"] as? MediaType, selectedMedia == nil {
+                selectedMedia = media
+            }
+        }
+        .background(Color.white)
+        .cornerRadius(18)
+        .animation(.default, value: selectedMedia?.id)
+    }
+    
+    // MARK: - 子视图
+    
+    /// 媒体预览区域
+    private var mediaPreviewSection: some View {
+        Group {
+            if !uploadManager.selectedMedia.isEmpty {
+                VStack(spacing: 4) {
+                    // 横向滚动的缩略图列表
+                    ScrollView(.horizontal, showsIndicators: false) {
+                        LazyHStack(spacing: 10) {
+                            ForEach(Array(uploadManager.selectedMedia.enumerated()), id: \.element.id) { index, media in
+                                mediaItemView(for: media, at: index)
+                            }
+                            // 当没有选择媒体时显示添加更多按钮
+                            if !uploadManager.selectedMedia.isEmpty {
+                                addMoreButton
+                            }
+                        }
+                        .padding(.horizontal)
+                    }
+                    .frame(height: 70)
+                }
+                .padding(.top, 10)
+            }
+        }
+    }
+    
+    /// 单个媒体项视图
+    /// - Parameters:
+    ///   - media: 媒体项
+    ///   - index: 索引
+    /// - Returns: 媒体项视图
+    private func mediaItemView(for media: MediaType, at index: Int) -> some View {
+        ZStack(alignment: .topTrailing) {
+            // 媒体预览 - 始终使用本地资源
+            MediaPreview(media: media)
+                .frame(width: 58, height: 58)
+                .cornerRadius(8)
+                .shadow(radius: 1)
+                .overlay(
+                    // 左上角序号
+                    ZStack(alignment: .topLeading) {
+                        Path { path in
+                            let radius: CGFloat = 4
+                            let width: CGFloat = 14
+                            let height: CGFloat = 10
+                            
+                            // 从左上角开始（带圆角）
+                            path.move(to: CGPoint(x: 0, y: radius))
+                            path.addQuadCurve(to: CGPoint(x: radius, y: 0), 
+                                            control: CGPoint(x: 0, y: 0))
+                            
+                            // 上边缘（右上角保持直角）
+                            path.addLine(to: CGPoint(x: width, y: 0))
+                            
+                            // 右边缘（右下角保持直角）
+                            path.addLine(to: CGPoint(x: width, y: height - radius))
+                            
+                            // 右下角圆角
+                            path.addQuadCurve(to: CGPoint(x: width - radius, y: height), 
+                                            control: CGPoint(x: width, y: height))
+                            
+                            // 下边缘（左下角保持直角）
+                            path.addLine(to: CGPoint(x: 0, y: height))
+                            
+                            // 闭合路径
+                            path.closeSubpath()
+                        }
+                        .fill(Color(hex: "BEBEBE").opacity(0.6))
+                        .frame(width: 14, height: 10)
+                        .overlay(
+                            Text("\(index + 1)")
+                                .font(.system(size: 8, weight: .bold))
+                                .foregroundColor(.black)
+                                .frame(width: 14, height: 10)
+                                .offset(y: -1),
+                            alignment: .topLeading
+                        )
+                        .padding([.top, .leading], 2)
+                        
+                        // 右下角视频时长
+                        if case .video(let url, _) = media, let videoURL = url as? URL {
+                            VStack {
+                                Spacer()
+                                HStack {
+                                    Spacer()
+                                    Text(getVideoDuration(url: videoURL))
+                                        .font(.system(size: 8, weight: .bold))
+                                        .foregroundColor(.black)
+                                        .padding(.horizontal, 4)
+                                        .frame(height: 10)
+                                        .background(Color(hex: "BEBEBE").opacity(0.6))
+                                        .cornerRadius(2)
+                                }
+                                .padding([.trailing, .bottom], 0)
+                            }
+                        }else{
+                            // 占位
+                            VStack {
+                                Spacer()
+                                HStack {
+                                    Spacer()
+                                    Text("占位")
+                                        .font(.system(size: 8, weight: .bold))
+                                        .foregroundColor(.black)
+                                        .padding(.horizontal, 4)
+                                        .frame(height: 10)
+                                        .background(Color(hex: "BEBEBE").opacity(0.6))
+                                        .cornerRadius(2)
+                                }
+                                .padding([.trailing, .bottom], 0)
+                            }
+                            .opacity(0)
+                        }
+                    },
+                    alignment: .topLeading
+                )
+                .onTapGesture {
+                    print("点击了媒体项，索引: \(index)")
+                    withAnimation {
+                        selectedMedia = media
+                    }
+                }
+                .contentShape(Rectangle())
+            
+            // 右上角关闭按钮
+            Button(action: {
+                uploadManager.removeMedia(id: media.id)
+                if selectedMedia == media {
+                    selectedMedia = nil
+                }
+            }) {
+                Image(systemName: "xmark")
+                    .font(.system(size: 8, weight: .bold))
+                    .foregroundColor(.black)
+                    .frame(width: 12, height: 12)
+                    .background(
+                        Circle()
+                            .fill(Color(hex: "BEBEBE").opacity(0.6))
+                            .frame(width: 12, height: 12)
+                    )
+            }
+            .offset(x: 6, y: -6)
+        }
+        .padding(.horizontal, 4)
+        .contentShape(Rectangle())
+    }
+    
+    /// 添加更多按钮
+    private var addMoreButton: some View {
+        Button(action: { showMediaPicker = true }) {
+            Image(systemName: "plus")
+                .font(.system(size: 8, weight: .bold))
+                .foregroundColor(.black)
+                .frame(width: 58, height: 58)
+                .background(Color.white)
+                .cornerRadius(8)
+                .overlay(
+                    RoundedRectangle(cornerRadius: 8)
+                        .strokeBorder(style: StrokeStyle(
+                            lineWidth: 2,
+                            dash: [4, 4]
+                        ))
+                        .foregroundColor(Color.themePrimary)
+                )
+        }
+    }
+}
+
+// MARK: - 上传提示视图
+
+/// 上传提示视图
+/// 显示上传区域的占位图和提示
+struct UploadPromptView: View {
+    /// 控制媒体选择器的显示/隐藏
+    @Binding var showMediaPicker: Bool
+    
+    var body: some View {
+        Button(action: { showMediaPicker = true }) {
+            // 上传图标
+            SVGImageHtml(svgName: "IP")
+                .frame(width: 225, height: 225)
+                .contentShape(Rectangle())
+                .overlay(
+                    ZStack {
+                        RoundedRectangle(cornerRadius: 20)
+                            .stroke(style: StrokeStyle(
+                                lineWidth: 5,
+                                lineCap: .round,
+                                dash: [12, 8]
+                            ))
+                            .foregroundColor(Color.themePrimary)
+                        
+                        // Add plus icon in the center
+                        Image(systemName: "plus")
+                            .font(.system(size: 32, weight: .bold))
+                            .foregroundColor(.black)
+                    }
+                )
+        }
+    }
+}
+
+// MARK: - 媒体预览视图
+
+/// 媒体预览视图
+/// 显示图片或视频的预览图，始终使用本地资源
+struct MediaPreview: View {
+    // MARK: - 属性
+    
+    /// 媒体类型
+    let media: MediaType
+    
+    // MARK: - 计算属性
+    
+    /// 获取要显示的图片
+    private var displayImage: UIImage? {
+        switch media {
+        case .image(let uiImage):
+            return uiImage
+        case .video(_, let thumbnail):
+            return thumbnail
+        }
+    }
+    
+    // MARK: - 视图主体
+    
+    var body: some View {
+        ZStack {
+            // 1. 显示图片或视频缩略图
+            if let image = displayImage {
+                Image(uiImage: image)
+                    .resizable()
+                    .scaledToFill()
+                    .transition(.opacity.animation(.easeInOut(duration: 0.2)))
+            } else {
+                // 2. 加载中的占位图
+                Color.gray.opacity(0.1)
+            }
+        }
+        .aspectRatio(1, contentMode: .fill)
+        .clipped()
+        .cornerRadius(8)
+        .overlay(
+            RoundedRectangle(cornerRadius: 8)
+                .stroke(Color.themePrimary.opacity(0.3), lineWidth: 1)
+        )
+    }
+}
+
+private func getVideoDuration(url: URL) -> String {
+    let asset = AVURLAsset(url: url)
+    let durationInSeconds = CMTimeGetSeconds(asset.duration)
+    guard durationInSeconds.isFinite else { return "0:00" }
+    
+    let minutes = Int(durationInSeconds) / 60
+    let seconds = Int(durationInSeconds) % 60
+    return String(format: "%d:%02d", minutes, seconds)
+}
+
+// MARK: - Response Types
+
+private struct EmptyResponse: Decodable {
+    // Empty response type for endpoints that don't return data
+}
+
+// MARK: - 扩展
+
+/// 扩展 MediaType 以支持 Identifiable 协议
+extension MediaType: Identifiable {
+    /// 唯一标识符
+   public var id: String {
+    switch self {
+    case .image(let uiImage):
+        return "image_\(uiImage.hashValue)"
+    case .video(let url, _):
+        return "video_\(url.absoluteString.hashValue)"
+    }
+}
+}
+
+extension TimeInterval {
+    var formattedDuration: String {
+        let minutes = Int(self) / 60
+        let seconds = Int(self) % 60
+        return String(format: "%d:%02d", minutes, seconds)
+    }
+}
+
+// MARK: - 预览
+
+struct MediaUploadView_Previews: PreviewProvider {
+    static var previews: some View {
+        NavigationView {
+            MediaUploadView()
+        }
+    }
+}