MyQRCode/MyQrCode/Views/History/HistoryView.swift

import SwiftUI
import CoreData
import Combine

struct HistoryView: View {
    @EnvironmentObject var coreDataManager: CoreDataManager
    @EnvironmentObject var languageManager: LanguageManager
    @State private var searchText = ""
    @State private var selectedFilter: HistoryFilter = .all

    @State private var itemToDelete: HistoryItem?
    @State private var showingDeleteAlert = false
    @State private var showingClearConfirmSheet = false
    @State private var allHistoryItems: [HistoryItem] = []
    @State private var currentPage = 0
    @State private var isLoadingMore = false
    @State private var hasMoreData = true
    @State private var isLoading = false
    @State private var refreshTrigger = false
    @State private var isBatchDeleteMode = false
    @State private var selectedItemsForDelete: Set<UUID> = []
    @State private var itemToEdit: HistoryItem?
    @State private var showingEditView = false
    
    enum HistoryFilter: String, CaseIterable {
        case all = "all"
        case barcode = "barcode"
        case qrcode = "qrcode"
        case scanned = "scanned"
        case created = "created"
        case favorites = "favorites"
        
        var displayName: String {
            switch self {
            case .all:
return "all".localized
case .barcode:
return "barcode".localized
case .qrcode:
return "qrcode".localized
case .scanned:
return "scanned".localized
case .created:
return "created".localized
case .favorites:
return "favorites".localized
            }
        }
        
        var icon: String {
            switch self {
            case .all:
                return "list.bullet"
            case .barcode:
                return "barcode"
            case .qrcode:
                return "qrcode"
            case .scanned:
                return "camera.viewfinder"
            case .created:
                return "plus.circle"
            case .favorites:
                return "heart.fill"
            }
        }
    }
    
    var filteredItems: [HistoryItem] {
        // 使用 refreshTrigger 强制触å<EFBFBD>‘计算属性更新
        let _ = refreshTrigger
        
        let searchResults = allHistoryItems.filter { item in
            if !searchText.isEmpty {
                let content = item.content ?? ""
                let barcodeType = item.barcodeType ?? ""
                let qrCodeType = item.qrCodeType ?? ""
                
                return content.localizedCaseInsensitiveContains(searchText) ||
                       barcodeType.localizedCaseInsensitiveContains(searchText) ||
                       qrCodeType.localizedCaseInsensitiveContains(searchText)
            }
            return true
        }
        
        switch selectedFilter {
        case .all:
            return searchResults
        case .barcode:
            return searchResults.filter { $0.dataType == DataType.barcode.rawValue }
        case .qrcode:
            return searchResults.filter { $0.dataType == DataType.qrcode.rawValue }
        case .scanned:
            return searchResults.filter { $0.dataSource == DataSource.scanned.rawValue }
        case .created:
            return searchResults.filter { $0.dataSource == DataSource.created.rawValue }
        case .favorites:
            return searchResults.filter { $0.isFavorite }
        }
    }
    
    var body: some View {
        VStack(spacing: 0) {
            // æ<EFBFBD>œç´¢æ <EFBFBD>
            searchBar
            
            // 过滤器
            filterBar
            
            // 内容列表
            if filteredItems.isEmpty {
                emptyStateView
            } else {
                historyList
            }
        }
        .navigationTitle("history_records".localized)
            .id(languageManager.refreshTrigger)
        .navigationBarTitleDisplayMode(.large)
        .toolbar {
            ToolbarItem(placement: .navigationBarTrailing) {
                HStack(spacing: 16) {
                    if isBatchDeleteMode {
                        // 批é‡<EFBFBD>删除模å¼<EFBFBD>下的按钮
                        Button(action: {
                            // 全选/å<EFBFBD>–消全选
                            if selectedItemsForDelete.count == filteredItems.count {
                                selectedItemsForDelete.removeAll()
                            } else {
                                selectedItemsForDelete = Set(filteredItems.compactMap { $0.id })
                            }
                        }) {
                            Image(systemName: selectedItemsForDelete.count == filteredItems.count ? "checkmark.rectangle.fill" : "rectangle.on.rectangle")
                                .foregroundColor(.blue)
                        }
                        
                        Button(action: {
                            if !selectedItemsForDelete.isEmpty {
                                deleteSelectedItems()
                            }
                        }) {
                            Image(systemName: "trash.fill")
                                .foregroundColor(.red)
                        }
                        .disabled(selectedItemsForDelete.isEmpty)
                        
                        // 返回正常状æ€<EFBFBD>按钮
                        Button(action: {
                            exitBatchDeleteMode()
                        }) {
                            Image(systemName: "xmark.circle")
                                .foregroundColor(.gray)
                        }
                    } else {
                        // 正常模å¼<EFBFBD>下的按钮
                        // å<EFBFBD>ªæœ‰å½“有记录时æ‰<EFBFBD>显示删除按钮
                        if !allHistoryItems.isEmpty {
                            Button(action: {
                                enterBatchDeleteMode()
                            }) {
                                Image(systemName: "trash")
                                    .foregroundColor(.red)
                            }
                        }
                        
                        NavigationLink(destination: CodeTypeSelectionView()) {
                            Image(systemName: "plus")
                        }
                    }
                }
            }
        }

        .sheet(isPresented: $showingClearConfirmSheet) {
            ClearHistoryConfirmView(
                isPresented: $showingClearConfirmSheet,
                onConfirm: clearHistory
            )
        }
                        .alert("delete_confirmation".localized, isPresented: $showingDeleteAlert) {
Button("cancel".localized, role: .cancel) { }
Button("delete".localized, role: .destructive) {
                if let item = itemToDelete {
                    deleteHistoryItem(item)
                    itemToDelete = nil
                }
            }
        } message: {
            if let item = itemToDelete {
                Text(String(format: "confirm_delete_record".localized, item.content ?? ""))
                    .id(languageManager.refreshTrigger)
            }
        }
        .onAppear {
            loadHistoryItems()
        }
        .onReceive(coreDataManager.objectWillChange) { _ in
            // 当Core Dataæ•°æ<EFBFBD>®å<EFBFBD>‘生å<EFBFBD>˜åŒ–时，é‡<EFBFBD>新加载历å<EFBFBD>²è®°å½•
            loadHistoryItems()
        }
        .background(editNavigationLink)
    }
    
    // MARK: - 加载历å<EFBFBD>²è®°å½•
    private func loadHistoryItems() {
        isLoading = true
        currentPage = 0
        hasMoreData = true
        
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
            let items = coreDataManager.fetchHistoryItems(page: currentPage)
            allHistoryItems = items
            
            // 检查是å<EFBFBD>¦è¿˜æœ‰æ›´å¤šæ•°æ<EFBFBD>®
            let nextPageItems = coreDataManager.fetchHistoryItems(page: currentPage + 1)
            hasMoreData = !nextPageItems.isEmpty
            
            isLoading = false
        }
    }
    
    private func loadMoreHistoryItems() {
        guard !isLoadingMore && hasMoreData else { return }
        
        isLoadingMore = true
        currentPage += 1
        
        DispatchQueue.global(qos: .userInitiated).async {
            let newItems = coreDataManager.fetchHistoryItems(page: currentPage)
            
            DispatchQueue.main.async {
                if newItems.isEmpty {
                    self.hasMoreData = false
                } else {
                    self.allHistoryItems.append(contentsOf: newItems)
                    
                    // 检查是å<EFBFBD>¦è¿˜æœ‰æ›´å¤šæ•°æ<EFBFBD>®
                    let nextPageItems = coreDataManager.fetchHistoryItems(page: self.currentPage + 1)
                    self.hasMoreData = !nextPageItems.isEmpty
                }
                self.isLoadingMore = false
            }
        }
    }
    
    // MARK: - 过滤器æ“<EFBFBD>作
    private func filterAction(for filter: HistoryFilter) {
        // 直接切æ<EFBFBD>¢è¿‡æ»¤å™¨ï¼Œæ— ä»»ä½•å»¶è¿Ÿ
        selectedFilter = filter
    }
    
    // MARK: - 清空历å<EFBFBD>²è®°å½•
    private func clearHistory() {
        coreDataManager.clearAllHistory()
        allHistoryItems.removeAll()
        refreshTrigger.toggle()
    }
    
    // MARK: - 切æ<EFBFBD>¢æ”¶è—<EFBFBD>状æ€<EFBFBD>
    private func toggleFavorite(_ item: HistoryItem) {
        // å…ˆä¿<EFBFBD>存到 Core Data
        item.isFavorite.toggle()
        coreDataManager.save()
        
        // 更新本地缓存，é<EFBFBD>¿å…<EFBFBD>é‡<EFBFBD>新加载数æ<EFBFBD>®
        if let index = allHistoryItems.firstIndex(where: { $0.id == item.id }) {
            allHistoryItems[index].isFavorite = item.isFavorite
        }
        
        // 强制触å<EFBFBD>‘视图刷新
        refreshTrigger.toggle()
    }
    
    // MARK: - 删除历å<EFBFBD>²è®°å½•
    private func deleteHistoryItem(_ item: HistoryItem) {
        coreDataManager.deleteHistoryItem(item)
        // 从本地缓存中移除
        allHistoryItems.removeAll { $0.id == item.id }
        refreshTrigger.toggle()
    }
    
    // MARK: - 显示删除确认
    private func showDeleteConfirmation(for item: HistoryItem) {
        itemToDelete = item
        showingDeleteAlert = true
    }
    
    // MARK: - 显示编辑界é<EFBFBD>¢
    private func showEditView(for item: HistoryItem) {
        itemToEdit = item
        showingEditView = true
    }
    
    // MARK: - 获å<EFBFBD>–二维ç <EFBFBD>类型
    private func getQRCodeType(from item: HistoryItem) -> QRCodeType {
        if let qrCodeTypeString = item.qrCodeType,
           let qrCodeType = QRCodeType(rawValue: qrCodeTypeString) {
            return qrCodeType
        }
        return .text // 默认类型
    }
    
    // MARK: - 获å<EFBFBD>–æ ·å¼<EFBFBD>æ•°æ<EFBFBD>®
    private func getStyleData(from item: HistoryItem) -> QRCodeStyleData? {
        // 从历å<EFBFBD>²è®°å½•é¡¹ä¸­æ<EFBFBD><EFBFBD>å<EFBFBD>–æ ·å¼<EFBFBD>æ•°æ<EFBFBD>®
        guard let jsonString = item.qrCodeStyleData,
              let jsonData = jsonString.data(using: .utf8) else {
            return nil
        }
        
        do {
            let styleData = try JSONDecoder().decode(QRCodeStyleData.self, from: jsonData)
            return styleData
        } catch {
            print("â<EFBFBD>Œ æ ·å¼<C3A5>æ•°æ<C2B0>®JSON解ç <C3A7>失败：\(error)")
            return nil
        }
    }
    
    // MARK: - 编辑导航链接
    private var editNavigationLink: some View {
        NavigationLink(
            destination: Group {
                if let itemToEdit = itemToEdit {
                    QRCodeStyleView(
                        qrCodeContent: itemToEdit.content ?? "",
                        qrCodeType: getQRCodeType(from: itemToEdit),
                        existingStyleData: getStyleData(from: itemToEdit),
                        historyItemId: itemToEdit.id?.uuidString
                    )
                }
            },
            isActive: $showingEditView
        ) {
            EmptyView()
        }
    }
    
    // MARK: - 批é‡<EFBFBD>删除相关方法
    private func enterBatchDeleteMode() {
        isBatchDeleteMode = true
        // 默认全选当å‰<EFBFBD>过滤å<EFBFBD>Žçš„项目
        selectedItemsForDelete = Set(filteredItems.compactMap { $0.id })
    }
    
    private func exitBatchDeleteMode() {
        isBatchDeleteMode = false
        selectedItemsForDelete.removeAll()
    }
    
    private func deleteSelectedItems() {
        // 获å<EFBFBD>–选中的项目
        let itemsToDelete = allHistoryItems.filter { item in
            guard let id = item.id else { return false }
            return selectedItemsForDelete.contains(id)
        }
        
        // 批é‡<EFBFBD>删除
        for item in itemsToDelete {
            coreDataManager.deleteHistoryItem(item)
        }
        
        // 从本地缓存中移除
        allHistoryItems.removeAll { item in
            guard let id = item.id else { return false }
            return selectedItemsForDelete.contains(id)
        }
        
        // 清空选择状æ€<EFBFBD>并退出批é‡<EFBFBD>删除模å¼<EFBFBD>
        selectedItemsForDelete.removeAll()
        isBatchDeleteMode = false
        
        // 强制刷新数æ<EFBFBD>®
        DispatchQueue.main.async {
            allHistoryItems = coreDataManager.fetchHistoryItems()
            refreshTrigger.toggle()
        }
    }
    
    // MARK: - æ<EFBFBD>œç´¢æ <EFBFBD>
    private var searchBar: some View {
        HStack {
            Image(systemName: "magnifyingglass")
                .foregroundColor(.gray)
            
            TextField("search_history_records".localized, text: $searchText)
                .textFieldStyle(RoundedBorderTextFieldStyle())
        }
        .padding(.horizontal)
        .padding(.vertical, 8)
        .background(Color(.systemBackground))
    }
    
    // MARK: - 过滤器æ <EFBFBD>
    private var filterBar: some View {
        ScrollView(.horizontal, showsIndicators: false) {
            HStack(spacing: 12) {
                ForEach(HistoryFilter.allCases, id: \.self) { filter in
                    FilterChip(
                        filter: filter,
                        isSelected: selectedFilter == filter,
                        isLoading: false,
                        action: {
                            filterAction(for: filter)
                        }
                    )
                }
            }
            .padding(.horizontal)
        }
        .padding(.vertical, 8)
        .background(Color(.systemBackground))
    }
    
    // MARK: - 历å<EFBFBD>²è®°å½•åˆ—表
    private var historyList: some View {
        List {
            if isLoading {
                HStack {
                    Spacer()
                    VStack(spacing: 16) {
                        ProgressView()
                            .scaleEffect(1.2)
                        Text("loading".localized)
                            .font(.caption)
                            .foregroundColor(.secondary)
                            .id(languageManager.refreshTrigger)
                    }
                    .padding(.vertical, 40)
                    Spacer()
                }
            } else {
                ForEach(filteredItems) { item in
                    HistoryItemRow(
                        item: item,
                        onToggleFavorite: {
                            toggleFavorite(item)
                        },
                        onDelete: {
                            showDeleteConfirmation(for: item)
                        },
                        onEdit: {
                            showEditView(for: item)
                        },
                        isBatchDeleteMode: isBatchDeleteMode,
                        isSelected: selectedItemsForDelete.contains(item.id ?? UUID()),
                        onToggleSelection: {
                            if let id = item.id {
                                if selectedItemsForDelete.contains(id) {
                                    selectedItemsForDelete.remove(id)
                                } else {
                                    selectedItemsForDelete.insert(id)
                                }
                            }
                        }
                    )
                }
                
                // 加载更多按钮
                if hasMoreData && !isLoadingMore {
                    Button(action: loadMoreHistoryItems) {
                        HStack {
                            Image(systemName: "arrow.down.circle")
                            Text("load_more".localized)
                        }
                        .foregroundColor(.blue)
                        .padding()
                    }
                }
                
                // 加载更多指示器
                if isLoadingMore {
                    HStack {
                        Spacer()
                        ProgressView()
                            .scaleEffect(0.8)
                        Text("loading_more".localized)
                            .font(.caption)
                            .foregroundColor(.secondary)
                        Spacer()
                    }
                    .padding()
                }
            }
        }
        .listStyle(PlainListStyle())
    }
    
    // MARK: - 空状æ€<EFBFBD>视图
    private var emptyStateView: some View {
        VStack(spacing: 20) {
            Image(systemName: "clock.arrow.circlepath")
                .font(.system(size: 60))
                .foregroundColor(.gray)
            
            Text("no_history_records".localized)
                .font(.title2)
                .fontWeight(.medium)
                .foregroundColor(.gray)
                .id(languageManager.refreshTrigger)
            
            Text("scan_or_create_to_start".localized)
                .font(.body)
                .foregroundColor(.gray)
                .multilineTextAlignment(.center)
                .id(languageManager.refreshTrigger)
            
            NavigationLink(destination: CodeTypeSelectionView()) {
                HStack {
                    Image(systemName: "plus.circle.fill")
                                            Text("create_first_record".localized)
                                                .id(languageManager.refreshTrigger)
                }
                .font(.headline)
                .foregroundColor(.white)
                .padding()
                .background(Color.blue)
                .cornerRadius(10)
            }
        }
        .padding()
        .frame(maxWidth: .infinity, maxHeight: .infinity)
    }
}

#Preview {
    NavigationView {
        HistoryView()
            .environmentObject(LanguageManager.shared)
    }
}

// MARK: - 过滤器芯片
struct FilterChip: View {
    let filter: HistoryView.HistoryFilter
    let isSelected: Bool
    let isLoading: Bool
    let action: () -> Void
    
    var body: some View {
        Button(action: action) {
            HStack(spacing: 6) {
                Image(systemName: filter.icon)
                    .font(.system(size: 14))
                
                Text(filter.displayName)
                    .font(.system(size: 14, weight: .medium))
            }
            .padding(.horizontal, 12)
            .padding(.vertical, 8)
            .background(
                RoundedRectangle(cornerRadius: 20)
                    .fill(isSelected ? Color.blue : Color(.systemGray5))
            )
            .foregroundColor(isSelected ? .white : .primary)
            .scaleEffect(isSelected ? 1.05 : 1.0)
        }
        .buttonStyle(OptimizedFilterChipButtonStyle(isSelected: isSelected))
        .animation(.easeInOut(duration: 0.2), value: isSelected)
    }
}

// MARK: - 优化的过滤器芯片按钮样å¼<EFBFBD>
struct OptimizedFilterChipButtonStyle: ButtonStyle {
    let isSelected: Bool
    
    func makeBody(configuration: Configuration) -> some View {
        configuration.label
            .scaleEffect(configuration.isPressed ? 0.95 : 1.0)
            .opacity(configuration.isPressed ? 0.9 : 1.0)
            .animation(.easeInOut(duration: 0.1), value: configuration.isPressed)
    }
}

// MARK: - 过滤器芯片按钮样å¼<EFBFBD>（ä¿<EFBFBD>留以防å<EFBFBD>‘å<EFBFBD>Žå…¼å®¹ï¼‰
struct FilterChipButtonStyle: ButtonStyle {
    func makeBody(configuration: Configuration) -> some View {
        configuration.label
            .scaleEffect(configuration.isPressed ? 0.95 : 1.0)
            .opacity(configuration.isPressed ? 0.8 : 1.0)
            .animation(.easeInOut(duration: 0.1), value: configuration.isPressed)
    }
}

// MARK: - 历å<EFBFBD>²è®°å½•é¡¹è¡Œ
struct HistoryItemRow: View {
    let item: HistoryItem
    let onToggleFavorite: () -> Void
    let onDelete: () -> Void
    let onEdit: (() -> Void)?
    let isBatchDeleteMode: Bool
    let isSelected: Bool
    let onToggleSelection: () -> Void
    
    var body: some View {
        HStack(spacing: 12) {
            // 批é‡<EFBFBD>删除模å¼<EFBFBD>下的选择框
            if isBatchDeleteMode {
                Button(action: onToggleSelection) {
                    Image(systemName: isSelected ? "checkmark.square.fill" : "square")
                        .font(.system(size: 20))
                        .foregroundColor(isSelected ? .blue : .gray)
                }
                .buttonStyle(PlainButtonStyle())
            }
            
            // 类型图标
            VStack {
                if let dataTypeString = item.dataType,
                   let dataType = DataType(rawValue: dataTypeString) {
                    Image(systemName: dataType.icon)
                        .font(.system(size: 24))
                        .foregroundColor(.blue)
                }
                
                if let dataSourceString = item.dataSource,
                   let dataSource = DataSource(rawValue: dataSourceString) {
                    Image(systemName: dataSource.icon)
                        .font(.system(size: 12))
                        .foregroundColor(.gray)
                }
            }
            .frame(width: 40)
            
            // 内容信æ<EFBFBD>¯
            VStack(alignment: .leading, spacing: 4) {
                HStack {
                    Text(item.content ?? "")
                        .font(.headline)
                        .lineLimit(1)
                    
                    Spacer()
                    
                    Button(action: onToggleFavorite) {
                        Image(systemName: item.isFavorite ? "heart.fill" : "heart")
                            .foregroundColor(item.isFavorite ? .red : .gray)
                    }
                    .buttonStyle(PlainButtonStyle())
                }
                
                HStack {
                    // 类型标签
                    if let dataTypeString = item.dataType,
                       let dataType = DataType(rawValue: dataTypeString) {
                        HStack(spacing: 4) {
                            Image(systemName: dataType.icon)
                                .font(.system(size: 12))
                            Text(dataType.displayName)
                                .font(.caption)
                        }
                        .padding(.horizontal, 8)
                        .padding(.vertical, 2)
                        .background(Color.blue.opacity(0.1))
                        .foregroundColor(.blue)
                        .cornerRadius(8)
                    }
                    
                    // 具体类型标签
                    if let barcodeTypeString = item.barcodeType,
                       let barcodeType = BarcodeType(rawValue: barcodeTypeString) {
                        HStack(spacing: 4) {
                            Image(systemName: barcodeType.icon)
                                .font(.system(size: 12))
                            Text(barcodeType.displayName)
                                .font(.caption)
                        }
                        .padding(.horizontal, 8)
                        .padding(.vertical, 2)
                        .background(Color.green.opacity(0.1))
                        .foregroundColor(.green)
                        .cornerRadius(8)
                    }
                    
                    if let qrCodeTypeString = item.qrCodeType,
                       let qrCodeType = QRCodeType(rawValue: qrCodeTypeString) {
                        HStack(spacing: 4) {
                            Image(systemName: qrCodeType.icon)
                                .font(.system(size: 12))
                            Text(qrCodeType.displayName)
                                .font(.caption)
                        }
                        .padding(.horizontal, 8)
                        .padding(.vertical, 2)
                        .background(Color.orange.opacity(0.1))
                        .foregroundColor(.orange)
                        .cornerRadius(8)
                    }
                    
                    Spacer()
                    
                    // 时间
                    if let createdAt = item.createdAt {
                        Text(formatDate(createdAt))
                            .font(.caption)
                            .foregroundColor(.gray)
                    }
                }
            }
            
            Spacer()
        }
        .padding(.vertical, 8)
        .swipeActions(edge: .trailing, allowsFullSwipe: false) {
            // 分享按钮
            Button(action: {
                shareItem(item)
            }) {
                Image(systemName: "square.and.arrow.up")
            }
            .tint(.gray)
            
            // 为创建类型的二维ç <EFBFBD>æ<EFBFBD>¡ç›®æ·»åŠ ç¼–辑按钮
            if item.dataType == DataType.qrcode.rawValue && 
               item.dataSource == DataSource.created.rawValue,
               let onEdit = onEdit {
                Button(action: onEdit) {
                    Image(systemName: "pencil")
                }
                .tint(.blue)
            }
            
            Button(action: onDelete) {
                Image(systemName: "trash")
            }
            .tint(.red)
        }
        .background(
            // æ ¹æ<EFBFBD>®æ•°æ<EFBFBD>®ç±»åž‹å’Œæ•°æ<EFBFBD>®æº<EFBFBD>添加导航链接
            Group {
                if item.dataType == DataType.qrcode.rawValue {
                    if item.dataSource == DataSource.created.rawValue {
                        // 创建类型的二维ç <EFBFBD>æ<EFBFBD>¡ç›®ï¼Œå¯¼èˆªåˆ°ä¿<EFBFBD>存界é<EFBFBD>¢
                        NavigationLink(
                            destination: QRCodeSavedView(
                                qrCodeImage: generateQRCodeImage(from: item),
                                qrCodeContent: item.content ?? "",
                                qrCodeType: getQRCodeType(from: item),
                                styleData: getStyleData(from: item),
                                historyItem: item
                            ),
                            label: { EmptyView() }
                        )
                    } else {
                        // 扫æ<EFBFBD><EFBFBD>类型的二维ç <EFBFBD>æ<EFBFBD>¡ç›®ï¼Œå¯¼èˆªåˆ°è¯¦æƒ…ç•Œé<EFBFBD>¢
                        NavigationLink(
                            destination: QRCodeDetailView(historyItem: item),
                            label: { EmptyView() }
                        )
                    }
                } else if item.dataType == DataType.barcode.rawValue {
                    NavigationLink(
                        destination: BarcodeDetailView(historyItem: item),
                        label: { EmptyView() }
                    )
                }
            }
        )
    }
    
    private func formatDate(_ date: Date) -> String {
        let formatter = DateFormatter()
        formatter.dateStyle = .short
        formatter.timeStyle = .short
        return formatter.string(from: date)
    }
    
    // MARK: - QRCodeSavedView 辅助方法
    private func generateQRCodeImage(from item: HistoryItem) -> UIImage {
        // 从历å<EFBFBD>²è®°å½•é¡¹ç”Ÿæˆ<EFBFBD>二维ç <EFBFBD>图片
        let content = item.content ?? ""
        
        // 获å<EFBFBD>–æ ·å¼<EFBFBD>æ•°æ<EFBFBD>®
        let styleData = getStyleData(from: item)
        
        // 使用高质é‡<EFBFBD>二维ç <EFBFBD>生æˆ<EFBFBD>器
        return QRCodeGenerator.generateHighQualityQRCode(
            content: content,
            styleData: styleData
        )
    }
    
    // MARK: - 分享功能
    private func shareItem(_ item: HistoryItem) {
        let content = item.content ?? ""
        let activityVC = UIActivityViewController(
            activityItems: [content],
            applicationActivities: nil
        )
        
        // 在iPad上需è¦<EFBFBD>设置popoverPresentationController
        if let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene,
           let window = windowScene.windows.first {
            if let popover = activityVC.popoverPresentationController {
                popover.sourceView = window
                popover.sourceRect = CGRect(x: window.bounds.midX, y: window.bounds.midY, width: 0, height: 0)
                popover.permittedArrowDirections = []
            }
        }
        
        // 记录Facebook事件 - 分享功能
        let contentType = item.dataType == DataType.qrcode.rawValue ? "qr_code" : "barcode"
        FacebookEventManager.shared.logShare(contentType: contentType)
        
        // 获å<EFBFBD>–当å‰<EFBFBD>视图控制器并显示分享界é<EFBFBD>¢
        if let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene,
           let window = windowScene.windows.first,
           let rootViewController = window.rootViewController {
            rootViewController.present(activityVC, animated: true)
        }
    }
    
    private func getQRCodeType(from item: HistoryItem) -> QRCodeType {
        if let qrCodeTypeString = item.qrCodeType,
           let qrCodeType = QRCodeType(rawValue: qrCodeTypeString) {
            return qrCodeType
        }
        return .text // 默认类型
    }
    
    private func getStyleData(from item: HistoryItem) -> QRCodeStyleData? {
        // 从历å<EFBFBD>²è®°å½•é¡¹ä¸­æ<EFBFBD><EFBFBD>å<EFBFBD>–æ ·å¼<EFBFBD>æ•°æ<EFBFBD>®
        guard let jsonString = item.qrCodeStyleData,
              let jsonData = jsonString.data(using: .utf8) else {
            return nil
        }
        
        do {
            let styleData = try JSONDecoder().decode(QRCodeStyleData.self, from: jsonData)
            return styleData
        } catch {
            print("â<EFBFBD>Œ æ ·å¼<C3A5>æ•°æ<C2B0>®JSON解ç <C3A7>失败：\(error)")
            return nil
        }
    }
}

// MARK: - 清空历å<EFBFBD>²è®°å½•ç¡®è®¤è§†å›¾
struct ClearHistoryConfirmView: View {
    @EnvironmentObject var languageManager: LanguageManager
    @Binding var isPresented: Bool
    let onConfirm: () -> Void
    
    var body: some View {
        NavigationView {
            VStack(spacing: 20) {
                // 警告图标
                Image(systemName: "exclamationmark.triangle.fill")
                    .font(.system(size: 50))
                    .foregroundColor(.red)
                
                // 标题
                Text("clear_history".localized)
                    .font(.title2)
                    .fontWeight(.bold)
                    .id(languageManager.refreshTrigger)
                
                // 简å<EFBFBD>•è¯´æ˜Ž
                Text("clear_history_warning".localized)
                    .font(.body)
                    .foregroundColor(.secondary)
                    .multilineTextAlignment(.center)
                    .id(languageManager.refreshTrigger)
                
                Spacer()
                
                // 按钮区域
                VStack(spacing: 12) {
                    // 确认删除按钮
                    Button(action: {
                        onConfirm()
                        isPresented = false
                    }) {
                        HStack {
                            Image(systemName: "trash.fill")
                            Text("confirm_delete".localized)
                                .id(languageManager.refreshTrigger)
                        }
                        .frame(maxWidth: .infinity)
                        .padding()
                        .background(Color.red)
                        .foregroundColor(.white)
                        .cornerRadius(10)
                    }
                    
                    // å<EFBFBD>–消按钮
                    Button(action: {
                        isPresented = false
                    }) {
                        Text("cancel".localized)
                            .frame(maxWidth: .infinity)
                            .padding()
                            .background(Color(.systemGray5))
                            .foregroundColor(.primary)
                            .cornerRadius(10)
                    }
                }
            }
            .padding(20)
            .navigationTitle("confirm_delete".localized)
                .id(languageManager.refreshTrigger)
            .navigationBarTitleDisplayMode(.inline)
            .navigationBarBackButtonHidden(true)
            .toolbar {
                ToolbarItem(placement: .navigationBarLeading) {
                    Button("close".localized) {
                        isPresented = false
                    }
                    .id(languageManager.refreshTrigger)
                }
            }
        }
    }
}