suixinkan_ios_uikit/suixinkan_ios/App/Navigation/AppTab.swift

//
//  AppTab.swift
//  suixinkan
//
//  Created by Codex on 2026/6/18.
//

import UIKit

/// 主 Tab 实体，描述底部导航中的每一个一级入口。
enum AppTab: String, CaseIterable, Identifiable, Hashable {
    case home
    case orders
    case statistics
    case profile

    var id: Self { self }

    var title: String {
        switch self {
        case .home:
            "首页"
        case .orders:
            "订单"
        case .statistics:
            "数据"
        case .profile:
            "我的"
        }
    }

    var systemImage: String {
        switch self {
        case .home:
            "house"
        case .orders:
            "doc.text"
        case .statistics:
            "chart.bar"
        case .profile:
            "person"
        }
    }

    /// 构建 Tab 根页面 ViewController。
    func makeRootViewController(services: AppServices) -> UIViewController {
        switch self {
        case .home:
            return HomeViewController()
        case .orders:
            return OrdersViewController()
        case .statistics:
            return StatisticsViewController()
        case .profile:
            return ProfileViewController()
        }
    }
}