using Noesis;
using System;
using System.IO;
using UnityEngine;
using GUI = Noesis.GUI;
using NoesisEventArgs = Noesis.EventArgs;
using SystemEventArgs = System.EventArgs;
using Grid = Noesis.Grid;

namespace StellarConquest.Presentation.Unity.UI
{
    [AssetDependency]
    public partial class ButtonPanelControl : UserControl
    {
        public event EventHandler<SystemEventArgs> PlayButtonClicked;
        public event EventHandler<SystemEventArgs> CreditsButtonClicked;
        public event EventHandler<SystemEventArgs> DesignerButtonClicked;
        public event EventHandler<SystemEventArgs> SettingsButtonClicked;
        public event EventHandler<SystemEventArgs> LocalizationButtonClicked;

        public event EventHandler<SystemEventArgs> ResumeButtonClicked;
        public event EventHandler<SystemEventArgs> ConquestButtonClicked;
        public event EventHandler<SystemEventArgs> SurvivalButtonClicked;
        public event EventHandler<SystemEventArgs> CreativeButtonClicked;

        public event EventHandler<SystemEventArgs> LoadButtonClicked;
        public event EventHandler<SystemEventArgs> JoinButtonClicked;

        public event EventHandler<SystemEventArgs> BackButtonClicked;

        private FrameworkElement _Root;

        private BorderControlBorderless _BorderControl;

        private StackPanel _PlayStackPanel1;
        private Button _PlayButton;
        private Button _OptionsButton;
        private Button _CreditsButton;
        private Button _QuitButton;

        private StackPanel _PlayStackPanel2;
        private Button _ResumeButton;
        private Grid _ConquestButtonGrid;
        private Button _ConquestButton;
        private Button _SurvivalButton;
        private Button _CreativeButton;
        private Button _CustomButton;
        private Button _DesignerButton;
        private Button _LocalizationButton;
        private Button _LoadButton;
        private Button _JoinButton;
        private Button _BackButton;

        private NewsControl _NewsControl;

        public ButtonPanelControl()
        {
            if (!Application.isPlaying)
                return;

            Initialized += OnInitialized;
            InitializeComponent();
        }

        private void InitializeComponent()
        {
            GUI.LoadComponent(this, "Assets/User Interface/Screens/Title/Button Panel/ButtonPanelControl.xaml");
            _Root = Content as FrameworkElement;

            _BorderControl = _Root.FindName(nameof(_BorderControl)) as BorderControlBorderless;

            _PlayStackPanel1 = _Root.FindName(nameof(_PlayStackPanel1)) as StackPanel;
            _PlayButton = _Root.FindName("_PlayButton") as Button;
            _OptionsButton = _Root.FindName("_OptionsButton") as Button;
            _CreditsButton = _Root.FindName("_CreditsButton") as Button;
            _QuitButton = _Root.FindName("_QuitButton") as Button;

            _PlayStackPanel2 = _Root.FindName(nameof(_PlayStackPanel2)) as StackPanel;
            _ResumeButton = _Root.FindName(nameof(_ResumeButton)) as Button;

            _ConquestButtonGrid = _Root.FindName(nameof(_ConquestButtonGrid)) as Grid;
            _ConquestButton = _Root.FindName(nameof(_ConquestButton)) as Button;
            _SurvivalButton = _Root.FindName(nameof(_SurvivalButton)) as Button;
            _CreativeButton = _Root.FindName(nameof(_CreativeButton)) as Button;
            _CustomButton = _Root.FindName(nameof(_CustomButton)) as Button;
            _DesignerButton = _Root.FindName("_DesignerButton") as Button;
            _LocalizationButton = _Root.FindName("_LocalizationButton") as Button;
            _LoadButton = _Root.FindName("_LoadButton") as Button;
            _JoinButton = _Root.FindName("_JoinButton") as Button;

            _BackButton = _Root.FindName(nameof(_BackButton)) as Button;

            if (Application.isConsolePlatform || Application.isMobilePlatform)
                _QuitButton.Visibility = Visibility.Collapsed;

            _ConquestButton.IsEnabled = false;
            _LoadButton.Visibility = Visibility.Collapsed;
        }

        private void OnInitialized(object sender, NoesisEventArgs args)
        {
            _PlayButton.Click += (sender2, e2) =>
            {
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                PlayButtonClicked(sender, SystemEventArgs.Empty);

                if (RuntimeSettings.Instance.IsDeveloperMode)
                    _LocalizationButton.Visibility = Visibility.Visible;
                else
                    _LocalizationButton.Visibility = Visibility.Collapsed;
            };

            _OptionsButton.Click += (sender2, e2) =>
            {
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                SettingsButtonClicked(sender, SystemEventArgs.Empty);
            };

            _CreditsButton.Click += (sender2, e2) =>
            {
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                CreditsButtonClicked(sender, SystemEventArgs.Empty);
            };

            _ResumeButton.MouseEnter += (sender2, e2) =>
            {
                _NewsControl.Update($"Resume game '{PlayerPreferences.Instance.PreviousGameName}'.");
            };

            _ResumeButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                ResumeButtonClicked(sender, SystemEventArgs.Empty);
            };

            _ConquestButtonGrid.MouseEnter += (sender2, e2) =>
            {
                string text =
                    "Join a community of empire builders and [b]CONQUER[/b] an unending universe." + Environment.NewLine + Environment.NewLine +
                    "• Limitless Galaxies" + Environment.NewLine +
                    "• Limitless Players (Internet)" + Environment.NewLine +
                    "• Context-Aware Colonist Dialogue (LLM)";

                if (SessionState.Instance.ServerVersion == null)
                    text += Environment.NewLine + Environment.NewLine + "[i]CONQUEST is down for maintenance and will be back up shortly.[/i]";
                else if (SessionState.Instance.ClientVersion != SessionState.Instance.ServerVersion)
                    text += Environment.NewLine + Environment.NewLine + $"[i]UPDATE to version {SessionState.Instance.ServerVersion} to play CONQUEST.[/i]";

                _NewsControl.Update(text);
            };

            _ConquestButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                ConquestButtonClicked(sender, SystemEventArgs.Empty);
            };

            _SurvivalButton.MouseEnter += (sender2, e2) => _NewsControl.Update(
                "Build an empire alone or with a team of friends witin a single hostile galaxy." + Environment.NewLine + Environment.NewLine +
                "• Single Galaxy" + Environment.NewLine +
                "• 1 to 16 Players (Local or Internet)");

            _SurvivalButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                SurvivalButtonClicked(this, SystemEventArgs.Empty);
            };

            _CreativeButton.MouseEnter += (sender2, e2) => _NewsControl.Update(
                "Construct and manage an empire without the threat of conflict." + Environment.NewLine + Environment.NewLine +
                "• Single Galaxy" + Environment.NewLine +
                "• 1 to 16 Players (Local or Internet)");

            _CreativeButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                CreativeButtonClicked(this, SystemEventArgs.Empty);
            };

            _CustomButton.MouseEnter += (sender2, e2) => _NewsControl.Update(
                "Create a [b]NEW GAME[/b] in [b]SURVIVAL[/b] or [b]CREATIVE[/b] mode." + Environment.NewLine + Environment.NewLine +
                "• Single Galaxy" + Environment.NewLine +
                "• 1 to 32 Players (Local or Internet)");

            _CustomButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                SurvivalButtonClicked(sender, SystemEventArgs.Empty);
            };

            _DesignerButton.MouseEnter += (sender2, e2) => _NewsControl.Update(
                "[b]DESIGN[/b] starship, space station, and building blueprints.");

            _DesignerButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                DesignerButtonClicked(sender, SystemEventArgs.Empty);
            };

            _LocalizationButton.MouseEnter += (sender2, e2) => _NewsControl.Update(
               "[b]LOCALIZE[/b] game content to supported languages.");

            _LocalizationButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                LocalizationButtonClicked(sender, SystemEventArgs.Empty);
            };

            _LoadButton.MouseEnter += (sender2, e2) => _NewsControl.Update("[b]LOAD[/b] an existing game.");

            _LoadButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                LoadButtonClicked(sender, SystemEventArgs.Empty);
            };

            _JoinButton.MouseEnter += (sender2, e2) => _NewsControl.Update(
                "[b]JOIN[/b] an existing game (Local or Internet).");

            _JoinButton.Click += (sender2, e2) =>
            {
                IsHitTestVisible = false;
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                JoinButtonClicked(sender, SystemEventArgs.Empty);
            };

            _BackButton.MouseEnter += (sender2, e2) => _NewsControl.Update(string.Empty);

            _BackButton.Click += (sender2, e2) =>
            {
                SoundEffect.PlayUI(SoundEffects.UserInterface.ButtonClick(), 0.25f);
                BackButtonClicked(this, SystemEventArgs.Empty);

                _PlayStackPanel1.Visibility = Visibility.Visible;
                _PlayStackPanel2.Visibility = Visibility.Collapsed;

                _BorderControl.Resize();
            };

            _QuitButton.Click += (sender2, e2) =>
            {
                Application.Quit();
            };
        }

        public void SetPlayButtonEnabled(bool isEnabled)
        {
            _PlayButton.IsEnabled = isEnabled;
        }

        public void SetPlayButtonText(string text)
        {
            _PlayButton.Content = text;
        }

        public void SetDesignerButtonEnabled(bool isEnabled)
        {
            _DesignerButton.IsEnabled = isEnabled;
        }

        public void SetConquestButtonEnabled(bool isEnabled)
        {
            isEnabled = isEnabled && SessionState.Instance.ClientVersion == SessionState.Instance.ServerVersion;

            _ConquestButton.IsEnabled = isEnabled;
            if (isEnabled && InputManager.Instance != null && InputManager.Instance.HasGamepad)
                _ConquestButton.Focus();
        }

        public void Register(NewsControl newsControl)
        {
            _NewsControl = newsControl;
        }

        public void ShowTitleOptions()
        {
            IsHitTestVisible = true;
            _PlayStackPanel1.Visibility = Visibility.Visible;
            _PlayStackPanel2.Visibility = Visibility.Collapsed;
            _BorderControl.Resize();
        }

        public void ShowPlayOptions()
        {
            IsHitTestVisible = true;
            _PlayStackPanel1.Visibility = Visibility.Collapsed;
            _PlayStackPanel2.Visibility = Visibility.Visible;
            string previousGame = PlayerPreferences.Instance.PreviousGameName;

            if (string.IsNullOrEmpty(previousGame) || !ServerControl.SavedGameExists(previousGame))
                _ResumeButton.Visibility = Visibility.Collapsed;
            else
                _ResumeButton.Visibility = Visibility.Visible;

            DirectoryInfo savedGames = new DirectoryInfo(RuntimeSettings.Instance.SavedGamesPath);
            if (savedGames.Exists && savedGames.GetDirectories().Length > 0)
                _LoadButton.Visibility = Visibility.Visible;
            else
                _LoadButton.Visibility = Visibility.Collapsed;

            _NewsControl.Update("Select Game Type");
            _BorderControl.Resize();
        }
    }
}