using AdvancedCalculator.ViewModels;
using AdvancedCalculator.Views;

using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Data.Core.Plugins;
using Avalonia.Markup.Xaml;
using Avalonia.Markup.Xaml.Styling;
using Avalonia.Styling;
using System;

namespace AdvancedCalculator;

public partial class App : Application
{
    public override void Initialize()
    {
        AvaloniaXamlLoader.Load(this);
    }

    public override void OnFrameworkInitializationCompleted()
    {
        // Line below is needed to remove Avalonia data validation.
        // Without this line you will get duplicate validations from both Avalonia and CT
        BindingPlugins.DataValidators.RemoveAt(0);

        // Load platform-specific styles (typography, scrollbars overrides)
        try
        {
            var styles = Current?.Styles;
            if (styles is not null)
            {
                if (OperatingSystem.IsAndroid())
                {
                    styles.Add(new StyleInclude(new Uri("avares://AdvancedCalculator/"))
                    {
                        Source = new Uri("avares://AdvancedCalculator.Android/Styles/Android.axaml")
                    });
                }
                else if (OperatingSystem.IsBrowser())
                {
                    styles.Add(new StyleInclude(new Uri("avares://AdvancedCalculator/"))
                    {
                        Source = new Uri("avares://AdvancedCalculator.Browser/Styles/Browser.axaml")
                    });
                }
                else
                {
                    styles.Add(new StyleInclude(new Uri("avares://AdvancedCalculator/"))
                    {
                        Source = new Uri("avares://AdvancedCalculator.Desktop/Styles/Desktop.axaml")
                    });
                }
            }
        }
        catch
        {
            // If a platform-specific style dictionary is missing, continue without failing.
        }

        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
        {
            desktop.MainWindow = new MainWindow
            {
                DataContext = new MainViewModel()
            };
        }
        else if (ApplicationLifetime is ISingleViewApplicationLifetime singleViewPlatform)
        {
            singleViewPlatform.MainView = new MainView
            {
                DataContext = new MainViewModel()
            };
        }

        base.OnFrameworkInitializationCompleted();
    }
}