using Jugenddienst_Stunden.ViewModels;
using Jugenddienst_Stunden.Models;
using CommunityToolkit.Maui.Core;
using CommunityToolkit.Maui.Alerts;

namespace Jugenddienst_Stunden.Views;

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

    private int heightValue = 300;

    /// <summary>
    /// CTOR
    /// </summary>
    public StundenPage() {
        InitializeComponent();

        if (BindingContext is StundenViewModel vm) {
            vm.AlertEvent += Vm_AlertEvent;
            vm.InfoEvent += Vm_InfoEvent;
        }
        if (!CheckLogin()) {
            NavigateToTargetPage();
        }
#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) {
        MainThread.BeginInvokeOnMainThread(async () => {
            await DisplayAlert("Fehler:", e, "OK");
        });
    }
    //private void Vm_InfoEvent(object? sender, string e) {
    //    DisplayAlert("Information:", e, "OK");
    //}
    //private void Vm_InfoEvent(object? sender, string e) {
    //    MainThread.BeginInvokeOnMainThread(async () => {
    //        await DisplayAlert("Information:", e, "OK");
    //    });
    //} 
    private void Vm_InfoEvent(object? sender, string e) {
        MainThread.BeginInvokeOnMainThread(async () => {
            CancellationTokenSource cts = new CancellationTokenSource();
            ToastDuration duration = ToastDuration.Short;
            double fontSize = 20;
            var toast = Toast.Make(e, duration, fontSize);
            await toast.Show(cts.Token);
        });
    }

    /// <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
    }
}