//
//  RootView.swift
//  punchnet
//
//  Created by 安礼成 on 2026/1/19.
//

import SwiftUI

struct RootView: View {
    @Environment(UserContext.self) var userContext
    @Environment(AppContext.self) var appContext: AppContext
    
    @State private var updateManager = AppUpdateManager.shared
    
    var body: some View {
        ZStack {
            // 主要界面
            Group {
                switch appContext.appScene {
                case .login:
                    LoginView()
                case .logined:
                    NetworkView()
                case .register:
                    RegisterRootView()
                case .resetPassword:
                    ResetPasswordRootView()
                }
            }
            .transition(.asymmetric(
                insertion: .move(edge: .trailing).combined(with: .opacity),
                removal: .move(edge: .trailing).combined(with: .opacity)
            ))
            
            // 自动更新遮罩
            if updateManager.showUpdateOverlay, let info = updateManager.updateInfo {
                // 遮罩背景
                Color.black.opacity(0.4)
                    .ignoresSafeArea()
                    .onTapGesture {
                        if !info.forceUpdate {
                            updateManager.showUpdateOverlay = false
                        }
                    }
                
                // 弹窗卡片
                AppUpdateView(info: info) {
                    updateManager.showUpdateOverlay = false
                }
                .clipShape(RoundedRectangle(cornerRadius: 16))
                .shadow(color: .black.opacity(0.3), radius: 20)
                .transition(.asymmetric(
                    insertion: .scale(scale: 0.9).combined(with: .opacity),
                    removal: .opacity
                ))
            }
        }
        .animation(.spring(duration: 0.4), value: updateManager.showUpdateOverlay)
        .task {
            // 启动时静默检查
            let checkUpdateResult = await updateManager.checkUpdate(isManual: false)
            NSLog("[RootView] checkUpdateResult: \(checkUpdateResult)")
        }
    }
    
}

#Preview {
    RootView()
}