//
//  AppServicesAssembly.swift
//  suixinkan
//
//  Created by Codex on 2026/6/29.
//

import Foundation

@MainActor
/// `AppServices` 的装配输入，集中保存生产与测试环境可替换的底层依赖。
struct AppServicesAssembly {
    private let apiClient: APIClient
    private let tokenStore: SessionTokenStore
    private let snapshotStore: AccountSnapshotStore
    private let preferencesStore: AppPreferencesStore

    /// 初始化生产装配器。
    init() {
        apiClient = APIClient()
        tokenStore = SessionTokenStore()
        snapshotStore = AccountSnapshotStore()
        preferencesStore = AppPreferencesStore()
    }

    /// 初始化测试装配器，允许传入网络与存储替身。
    init(
        apiClient: APIClient,
        tokenStore: SessionTokenStore,
        snapshotStore: AccountSnapshotStore,
        preferencesStore: AppPreferencesStore
    ) {
        self.apiClient = apiClient
        self.tokenStore = tokenStore
        self.snapshotStore = snapshotStore
        self.preferencesStore = preferencesStore
    }

    /// 创建 `AppServices` 所需的完整依赖图。
    func makeDependencies() -> AppServicesDependencies {
        AppServicesDependencies(
            session: makeSessionBundle(),
            context: AppContextBundle(
                accountContext: AccountContext(),
                permissionContext: PermissionContext(),
                scenicSpotContext: ScenicSpotContext()
            ),
            network: NetworkBundle(apiClient: apiClient),
            ui: UIFeedbackBundle(
                toastCenter: ToastCenter(),
                globalLoading: GlobalLoadingCenter()
            ),
            runtime: AppRuntimeBundle(scenicQueueRuntime: ScenicQueueRuntime.shared),
            appNavigator: AppNavigator()
        )
    }

    /// 创建登录恢复与退出登录相关依赖。
    private func makeSessionBundle() -> SessionBundle {
        SessionBundle(
            appSession: AppSession(),
            authSessionCoordinator: AuthSessionCoordinator(
                tokenStore: tokenStore,
                snapshotStore: snapshotStore,
                preferencesStore: preferencesStore
            ),
            sessionBootstrapper: SessionBootstrapper(
                tokenStore: tokenStore,
                snapshotStore: snapshotStore
            )
        )
    }
}

@MainActor
/// 已装配好的应用级依赖集合，供 `AppServices` 直接持有。
struct AppServicesDependencies {
    let session: SessionBundle
    let context: AppContextBundle
    let network: NetworkBundle
    let ui: UIFeedbackBundle
    let runtime: AppRuntimeBundle
    let appNavigator: AppNavigator
}