using Model;
using FakePersistance;
using DataPersistence;
using Managers;
using System.Diagnostics;

namespace Views
{
    public partial class App : Application
    {
        /// <summary>
        /// Master manager - access to the Model.
        /// </summary>
        public MasterManager Master { get; private set; }

        public App()
        {
            Debug.WriteLine("Hello, World!\n\n");

            string path = FileSystem.Current.AppDataDirectory;           // - path to the save file
            string strategy = "xml";    // - strategy is 'xml' or 'json' (/!\ this is case sensitive)

            // Initialize the data serializer
            IDataSerializer dataSerializer = (strategy == "xml") ?
                  new DataContractXML(path)
                : new DataContractJSON(path);

            // Initialize the data manager
            IDataManager dataManager = (!File.Exists(Path.Combine(path, $"data.{strategy}"))) ?
                  new DataDefaultManager(new Stubs())
                : new DataDefaultManager(dataSerializer);

            // Initialize the other managers
            IRecipeManager recipeManager = new RecipeDefaultManager(dataManager);
            IPasswordManager passwordManager = new PasswordSHA256Manager();
            IUserManager userManager = new UserDefaultManager(dataManager, passwordManager);

            // Initialize the master manager
            Master = new MasterManager(dataManager, recipeManager, userManager);
            Master.Setup();

            // Change the data serializer if the one in place is 'Stubs'
            if (Master.Data.Serializer.GetType() == typeof(Stubs))
            {
                var data = Master.Data.Data;
                dataManager = new DataDefaultManager(dataSerializer, data);
                Master = new MasterManager(dataManager, recipeManager, userManager);
            }

            // Save data.
            Debug.Write("[ --SAVE-- ]:\t");
            Master.Data.SaveData();
            Debug.WriteLine("Done.");

            InitializeComponent();

            UserAppTheme = AppTheme.Light;
            MainPage = new Home();
            //MainPage = new MyPosts();
        }

        protected override void OnSleep()
        {
            // Save data.
            Debug.Write("[ --SAVE-- ]:\t");
            Master.Data.SaveData();

            Debug.WriteLine("Done.");
            Debug.WriteLine(FileSystem.Current.AppDataDirectory);

            base.OnSleep();
        }
    }
}