using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Reflection;
using System.Runtime.InteropServices.WindowsRuntime;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Controls.Primitives;
using Microsoft.UI.Xaml.Data;
using Microsoft.UI.Xaml.Input;
using Microsoft.UI.Xaml.Media;
using Microsoft.UI.Xaml.Navigation;
using Windows.Foundation;
using Windows.Foundation.Collections;

// To learn more about WinUI, the WinUI project structure,
// and more about our project templates, see: http://aka.ms/winui-project-info.

namespace APIToolkit
{
    public sealed partial class MainWindow : Window
    {
        public MainWindow()
        {
            this.InitializeComponent();

            this.ExtendsContentIntoTitleBar = true; // Set the apps titlebar to be defined in MainWindow.xaml
            this.SetTitleBar(AppTitleBar);

            ContentArea.Navigate(typeof(URLShortener)); // Set default page

            GlobalMethods.WebRequest.BaseAddress = new Uri("https://enstrayed.com/api/"); // Set base address for web requests being made
            GlobalMethods.WebRequest.DefaultRequestHeaders.UserAgent.ParseAdd($"DotNet/{Environment.Version} APIToolkit/{GlobalMethods.Version}"); // Set user agent of client
        }

        private void NavigationView_ItemInvoked(NavigationView sender, NavigationViewItemInvokedEventArgs args)
        {
            if (args.IsSettingsInvoked)
            {
                ContentArea.Navigate(typeof(Settings));
            }
            else
            {
                // If the page set in MainWindow.xaml does not exist (is null), then show an error message
                if (Type.GetType($"APIToolkit.{args.InvokedItemContainer.Tag}") == null)
                {
                    UIFunctions.ShowError(MainWindow_MainGrid.XamlRoot, "Requested page is not implemented (Destination returned null)");
                } 
                else // Otherwise, navigate to page based on tag set in MainWindow.xaml
                {
                    ContentArea.Navigate(Type.GetType($"APIToolkit.{args.InvokedItemContainer.Tag}"));
                }
            }
        }
    }

    public static class GlobalMethods
    {
        public static HttpClient WebRequest = new();
        public static string Version = "1.0";
    }

}