using System;
using Android.App;
using Android.Content;
using Android.Content.PM;
using Android.Gms.Ads;
using Android.OS;
using Android.Views;
using Android.Widget;
using Microsoft.Xna.Framework;
using MLEM.Extensions;
using MLEM.Misc;
using TouchyTickets;
using static Android.Views.SystemUiFlags;
using static Android.Views.ViewGroup.LayoutParams;
using Uri = Android.Net.Uri;

namespace Android {
    [Activity(
        Label = "@string/app_name",
        MainLauncher = true,
        Icon = "@drawable/icon",
        AlwaysRetainTaskState = true,
        LaunchMode = LaunchMode.SingleInstance,
        ScreenOrientation = ScreenOrientation.UserPortrait,
        ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.Keyboard | ConfigChanges.KeyboardHidden | ConfigChanges.ScreenSize
    )]
    public class Activity1 : AndroidGameActivity {

        private GameImpl game;
        private LinearLayout mainView;

        protected override void OnCreate(Bundle bundle) {
            base.OnCreate(bundle);

            // ad layout
            var adLayout = new LinearLayout(this) {Orientation = Orientation.Vertical};
            adLayout.SetGravity(GravityFlags.Bottom);

            // set up the game
            TextInputWrapper.Current = new TextInputWrapper.Mobile();
            this.game = new GameImpl(new AndroidPlatform(this, adLayout));
            this.game.GraphicsDeviceManager.ResetWidthAndHeight(this.game.Window);
            this.game.GraphicsDeviceManager.IsFullScreen = true;
            this.game.OnLoadContent += game => {
                game.InputHandler.HandleMouse = false;
                game.UiSystem.LinkBehavior = l => this.StartActivity(new Intent(Intent.ActionView, Uri.Parse(l.Match.Groups[1].Value)));
            };

            var gameView = this.game.Services.GetService(typeof(View)) as View;
            gameView.LayoutChange += (o, args) => {
                // force the game size to update when the ad size changes
                this.game.GraphicsDeviceManager.PreferredBackBufferWidth = args.Right - args.Left;
                this.game.GraphicsDeviceManager.PreferredBackBufferHeight = args.Bottom - args.Top;
                this.game.GraphicsDeviceManager.ApplyChanges();
            };

            // total layout that is displayed
            this.mainView = new LinearLayout(this) {Orientation = Orientation.Vertical};
            this.mainView.LayoutParameters = new LinearLayout.LayoutParams(MatchParent, MatchParent);
            this.mainView.AddView(gameView);
            // height of 0 but high weight causes this element so scale based on the ad's height
            gameView.LayoutParameters = new LinearLayout.LayoutParams(MatchParent, 0, 1);
            this.mainView.AddView(adLayout);
            adLayout.LayoutParameters = new LinearLayout.LayoutParams(MatchParent, WrapContent);
            this.SetContentView(this.mainView);

            this.game.Run();
        }

        public override void OnWindowFocusChanged(bool hasFocus) {
            base.OnWindowFocusChanged(hasFocus);
            // hide the status bar
            this.Window.DecorView.SystemUiVisibility = (StatusBarVisibility) (ImmersiveSticky | LayoutStable | LayoutHideNavigation | LayoutFullscreen | HideNavigation | Fullscreen);
        }

    }
}