using Jugenddienst_Stunden.ViewModels;

namespace Jugenddienst_Stunden.Views;

/// <summary>
/// Code-Behind für die Stunden-Übersicht
/// </summary>
public partial class StundenPage : ContentPage {

    private int heightValue;

    /// <summary>
    /// CTOR
    /// </summary>
    public StundenPage() {
        InitializeComponent();
        if (BindingContext is StundenViewModel vm) {
            vm.AlertEvent += Vm_AlertEvent;
            vm.InfoEvent += Vm_InfoEvent;
        }
        if (!CheckLogin()) {
            NavigateToTargetPage();
        }
        //// Bildschirmhöhe abrufen
        //var screenHeight = DeviceDisplay.MainDisplayInfo.Height / DeviceDisplay.MainDisplayInfo.Density;

        //// Berechnen der gewünschten Höhe
        //var desiredHeight = screenHeight - 450; // Abzüglich der Stundenübersicht
        //stundeItems.HeightRequest = desiredHeight;

        #if ANDROID
                heightValue = 280;
        #elif IOS
                heightValue = 280;
        #elif WINDOWS
                heightValue = 320;
        #else
                heightValue = 300;
        #endif

        SizeChanged += OnPageSizeChanged;
    }

    private void Vm_AlertEvent(object? sender, string e) {
        DisplayAlert("Fehler:", e, "OK");
    }
    private void Vm_InfoEvent(object? sender, string e) {
        DisplayAlert("Information:", e, "OK");
    }

    /// <summary>
    /// Beim Laden der Seite den Titel setzen
    /// </summary>
    protected override void OnAppearing() {
        base.OnAppearing();
        Title = Preferences.Default.Get("name", "Nicht") + " " + Preferences.Default.Get("surname", "eingeloggt");
    }

    private bool CheckLogin() {
        return Preferences.Default.Get("apiKey", "") != "";
    }

    private async void NavigateToTargetPage() {
        await Navigation.PushAsync(new LoginPage());
    }

    private void OnPageSizeChanged(object sender, EventArgs e) {
        double windowHeight = this.Height;
        AdjustLayout(windowHeight);
    }

    private void AdjustLayout(double height) {
        // Passen Sie Ihre UI-Elemente basierend auf der Fensterhöhe an
        stundeItems.HeightRequest = height - heightValue; //Datepicker Height 50, Monatssummen Height 125, Titel + Navigation Height xyz
    }
}