PlusApp.swift

//
//  PlusApp.swift
//
// Copyright 2023  OpenAlloc LLC
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
//

import os
import SwiftUI

import TrackerLib
import TrackerUI
import TroutLib
import TroutUI

@main
struct Plus_App: App {
    @Environment(\.scenePhase) var scenePhase

    // MARK: - Locals

    private let coreDataStack = CoreDataStack(isCloud: true)

    @AppStorage(colorSchemeModeKey) var colorSchemeMode: ColorSchemeMode = .automatic

    private let logger = Logger(subsystem: Bundle.main.bundleIdentifier!,
                                category: "App")

    // MARK: - Scene

    var body: some Scene {
        WindowGroup {
            ContentView()
                .environment(\.managedObjectContext, coreDataStack.container.viewContext)
                .environmentObject(coreDataStack)
                .preferredColorScheme(colorSchemeMode.colorScheme)
        }
        .onChange(of: scenePhase) { _ in
            // save if transitioning to inactive or background
            guard scenePhase == .inactive || scenePhase == .background else { return }

            // and changes are pending
            do {
                try coreDataStack.container.viewContext.save()
            } catch {
                logger.error("\(#function): \(error.localizedDescription)")
            }
        }
    }
}