//
//  HomeMenuRouting.swift
//  suixinkan
//

import UIKit

@MainActor
/// 首页菜单 UIKit 路由，将权限 URI 解析结果映射为 Tab 切换或 Navigation push。
enum HomeMenuRouting {

    /// 打开首页菜单项对应的目标。
    static func openMenu(_ item: HomeMenuItem, from viewController: UIViewController) {
        openRoute(HomeMenuRouter.resolve(uri: item.uri, title: item.title), from: viewController)
    }

    /// 打开首页 URI 解析结果。
    static func openRoute(_ route: HomeMenuResolvedRoute, from viewController: UIViewController) {
        let services = AppServices.shared
        switch route {
        case .tab(let tab):
            services.appRouter.select(tab)
        case .orders(let entry):
            services.appRouter.selectOrders(entry: entry)
        case .destination(let homeRoute):
            push(homeRoute, from: viewController)
        case .unsupported(let uri, let title, _):
            pushPlaceholder(title: title, uri: uri, from: viewController)
        case .placeholder(let uri, let title):
            HomeRouteDiagnostics.recordUnknown(uri: uri, title: title)
            pushPlaceholder(title: title, uri: uri, from: viewController)
        }
    }

    /// Push 首页二级路由页面。
    static func push(_ route: HomeRoute, from viewController: UIViewController) {
        let target = AppRouteViewControllerFactory.makeViewController(for: route, services: AppServices.shared)
        viewController.navigationController?.pushViewController(target, animated: true)
    }

    /// Push 订单模块路由页面。
    static func pushOrders(_ route: OrdersRoute, from viewController: UIViewController) {
        let target = AppRouteViewControllerFactory.makeViewController(for: .orders(route), services: AppServices.shared)
        viewController.navigationController?.pushViewController(target, animated: true)
    }

    /// Push 个人中心二级路由页面。
    static func pushProfile(_ route: ProfileRoute, from viewController: UIViewController) {
        let target = AppRouteViewControllerFactory.makeViewController(for: .profile(route), services: AppServices.shared)
        viewController.navigationController?.pushViewController(target, animated: true)
    }

    private static func pushPlaceholder(title: String, uri: String, from viewController: UIViewController) {
        viewController.navigationController?.pushViewController(
            FeaturePlaceholderViewController(title: title, uri: uri),
            animated: true
        )
    }
}