using Godot;
using System.Linq;

public partial class StageGUI : Control
{
   [Signal]
   public delegate void OnCharacterSelectionMadeEventHandler(Player player);

   private GameManager _gameManager;

   public override void _Ready()
   {
      _gameManager = GetTree().Root.GetNode<GameManager>("Main/GameManager");
   }

   public void OnCharacterSelect(Player player)
   {
      if (_gameManager.IsGameOver)
         return;

      var wheel1 = GetNode<TextureRect>("CharacterSelect/Wheel");
      var wheel2 = GetNode<TextureRect>("CharacterSelect/Wheel2");

      if (player == _gameManager.Players.ElementAt(0))
      {
         wheel1.FocusMode = FocusModeEnum.All;
         wheel1.GrabFocus();
         wheel1.Visible = true;
      }
      else if (player == _gameManager.Players.ElementAt(1))
      {
         wheel2.FocusMode = FocusModeEnum.All;
         wheel2.GrabFocus();
         wheel2.Visible = true;
      }
      player.IsSelectingCharacter = true;
   }

   public override void _Process(double delta)
   {
      var playersCurrentlySelecting = _gameManager.Players.Where(x => x.IsSelectingCharacter);
      foreach (var player in playersCurrentlySelecting)
      {
         if (player == _gameManager.Players.ElementAt(0))
         {
            if (Input.IsActionJustPressed("p1_right"))
               _gameManager.SetToNextCharacter(_gameManager.Players.ElementAt(0));
            if (Input.IsActionJustPressed("p1_left"))
               _gameManager.SetToPreviousCharacter(_gameManager.Players.ElementAt(0));

            if (Input.IsActionJustPressed("p1_fire"))
            {
               GD.Print("Selected character");
               _gameManager.Players.ElementAt(0).IsSelectingCharacter = false;
               var wheel1 = GetNode<TextureRect>("CharacterSelect/Wheel");
               wheel1.Hide();
               EmitSignal(SignalName.OnCharacterSelectionMade, _gameManager.Players.ElementAt(0));
            }
         }

         if (player == _gameManager.Players.ElementAt(1))
         {
            if (Input.IsActionJustPressed("p2_right"))
               _gameManager.SetToNextCharacter(_gameManager.Players.ElementAt(1));
            if (Input.IsActionJustPressed("p2_left"))
               _gameManager.SetToPreviousCharacter(_gameManager.Players.ElementAt(1));

            if (Input.IsActionJustPressed("p2_fire"))
            {
               GD.Print("Selected character");
               _gameManager.Players.ElementAt(1).IsSelectingCharacter = false;
               var wheel2 = GetNode<TextureRect>("CharacterSelect/Wheel2");
               wheel2.Hide();
               EmitSignal(SignalName.OnCharacterSelectionMade, _gameManager.Players.ElementAt(1));
            }
         }
      }
   }

   private void OnFirstPlayerCharacterSelect()
   {
      var player = _gameManager.Players.ElementAt(0);
      OnCharacterSelect(player);
   }

   private void OnSecondPlayerCharacterSelect()
   {
      var player = _gameManager.Players.ElementAt(1);
      OnCharacterSelect(player);
   }
}