AppDelegate.swift

//
//  AppDelegate.swift
//
//  Created by Juliya Smith on 5/9/17.

import UIKit
import UserNotifications
import PDKit
import PatchData
import WidgetKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    var notifications: NotificationScheduling?
    var sdk: PatchDataSDK?
    var alerts: AlertProducing?
    var tabs: TabReflective?
    var nav: NavigationHandling?
    var badge: PDBadgeReflective?
    var widget: PDWidgetProtocol?

    private var sessionInitialized = false

    func application(
        _ application: UIApplication,
        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
    ) -> Bool {
        initDependencies()
        #if DEBUG
        // The `Notifications Test` is a test where the first hormone expires in a minute from now.
        if PDCli.isNotificationsTest() {
            badge?.clear()
            if let sdk = sdk, let notifications = notifications {
                if let hormone = sdk.hormones[0] {
                    notifications.requestExpiredHormoneNotification(for: hormone)
                }
                for pill in sdk.pills.all where pill.name == "Notification Test" {
                    notifications.requestDuePillNotification(pill)
                }
            }
            PDCli.clearNotificationsFlag()
        }
        reflectBadges()
        #endif
        return true
    }

    func initDependencies() {
        let sdk = PatchData()
        self.sdk = sdk
        self.nav = Navigation()
        let badge = PDBadge(sdk: sdk)
        self.badge = badge
        self.notifications = Notifications(sdk: sdk, appBadge: badge)
        self.widget = PDWidget()
        reflectBadges()
        WidgetCenter.shared.reloadAllTimelines()
    }

    static var isPad: Bool {
        UIDevice.current.userInterfaceIdiom == .pad
    }

    static var current: AppDelegate? {
        UIApplication.shared.delegate as? AppDelegate
    }

    func applicationWillEnterForeground(_ application: UIApplication) {
        initDependencies()
        reflectBadges()
    }

    func applicationWillTerminate(_ application: UIApplication) {
        reflectBadges()
    }

    func applicationWillResignActive(_ application: UIApplication) {
        reflectBadges()
    }

    private func reflectBadges() {
        badge?.reflect()
        tabs?.reflect()
    }
}