e-party-iOS/yana/Views/LanguageSettingsView.swift

import SwiftUI
import ComposableArchitecture

struct LanguageSettingsView: View {
    @ObservedObject private var localizationManager = LocalizationManager.shared
    @Binding var isPresented: Bool
    
    init(isPresented: Binding<Bool> = .constant(true)) {
        self._isPresented = isPresented
    }
    
    var body: some View {
        NavigationStack {
            List {
                Section {
                    ForEach(LocalizationManager.SupportedLanguage.allCases, id: \.rawValue) { language in
                        LanguageRow(
                            language: language,
                            isSelected: localizationManager.currentLanguage == language
                        ) {
                            localizationManager.switchLanguage(to: language)
                        }
                    }
                } header: {
                    Text("选择语言 / Select Language")
                        .font(.caption)
                        .foregroundColor(.secondary)
                }
                
                Section {
                    HStack {
                        Text("当前语言 / Current Language")
                            .font(.body)
                        
                        Spacer()
                        
                        Text(localizationManager.currentLanguage.localizedDisplayName)
                            .font(.body)
                            .foregroundColor(.blue)
                    }
                } header: {
                    Text("语言信息 / Language Info")
                        .font(.caption)
                        .foregroundColor(.secondary)
                }
            }
            .navigationTitle("语言设置 / Language")
            .navigationBarTitleDisplayMode(.inline)
            .navigationBarBackButtonHidden(true)
        }
    }
}

struct LanguageRow: View {
    let language: LocalizationManager.SupportedLanguage
    let isSelected: Bool
    let onTap: () -> Void
    
    var body: some View {
        Button(action: onTap) {
            HStack {
                VStack(alignment: .leading, spacing: 4) {
                    Text(language.localizedDisplayName)
                        .font(.body)
                        .foregroundColor(.primary)
                    
                    Text(language.displayName)
                        .font(.caption)
                        .foregroundColor(.secondary)
                }
                
                Spacer()
                
                if isSelected {
                    Image(systemName: "checkmark.circle.fill")
                        .foregroundColor(.blue)
                        .font(.system(size: 20))
                }
            }
            .contentShape(Rectangle())
        }
        .buttonStyle(PlainButtonStyle())
    }
}

// MARK: - Preview
#Preview {
    LanguageSettingsView(isPresented: .constant(true))
}