using Godot;

public partial class CapricornP1Controls : P1Controls
{
   private AnimatedSprite3D _sprite;

   public override void _Ready()
   {
      _sprite = GetNode<AnimatedSprite3D>("Pivot/Sprite");
      CanShoot = true;
      _gameManager = GetTree().Root.GetNode<GameManager>("Main/GameManager");
   }

   [Export]
   private PackedScene _fireProjectile;
   [Export]
   private PackedScene _altFireProjectile;

   [Export]
   private float _speed = 3.0f;

   public bool IsShooting = false;

   private GameManager _gameManager;

   public override void _PhysicsProcess(double delta)
   {
      Velocity = CalculateCharacterMovement(delta);
      MoveAndSlide();
   }

   public override void _UnhandledInput(InputEvent @event)
   {
      if (Input.IsActionJustPressed("exit"))
         GetTree().Quit();

      if (Input.IsActionJustPressed($"p1_fire") && CanShoot)
         Fire();
      if (Input.IsActionJustPressed($"p1_altfire") && CanShoot)
         AltFire();
   }

   private Vector3 CalculateCharacterMovement(double delta)
   {
      var velocity = Velocity;

      var inputDir = Input.GetVector($"p1_left", $"p1_right", $"p1_up", $"p1_down");
      var direction = (Transform.Basis * new Vector3(inputDir.X, 0, inputDir.Y)).Normalized();
      if (direction != Vector3.Zero)
      {
         velocity.X = direction.X * _speed;
         velocity.Z = direction.Z * _speed;
      }
      else
      {
         velocity.X = Mathf.MoveToward(Velocity.X, 0, _speed);
         velocity.Z = Mathf.MoveToward(Velocity.Z, 0, _speed);
      }

      if (IsShooting)
         AttackSprite(direction);
      else
         WalkSprite(direction);

      if (!IsShooting && direction.IsEqualApprox(Vector3.Zero))
      {
         _sprite.Play("WalkForward");
         _sprite.Stop();
      }

      return velocity;
   }

   private void WalkSprite(Vector3 direction)
   {
      var roundedDirection = direction.Round();

      if (roundedDirection == Vector3.Right)
      {
         _sprite.Play("WalkSide");
         _sprite.FlipH = false;
      }
      if (roundedDirection == Vector3.Left)
      {
         _sprite.Play("WalkSide");
         _sprite.FlipH = true;
      }
      if (roundedDirection == Vector3.Forward)
         _sprite.Play("WalkForward");
      if (roundedDirection == Vector3.Back)
         _sprite.Play("WalkBack");
   }

   private async void Fire()
   {
      IsShooting = true;
      CanShoot = false;
      await ToSignal(GetTree().CreateTimer(0.8f), "timeout");
      var projectile = _fireProjectile.Instantiate<Projectile>();
      projectile.Position = Position + new Vector3(0f, 1f, 0f);
      projectile.ParentCharacter = this;
      GetParent().AddChild(projectile);
      CanShoot = true;
      IsShooting = false;
   }

   private async void AltFire()
   {
      IsShooting = true;
      CanShoot = false;
      await ToSignal(GetTree().CreateTimer(0.8f), "timeout");
      var projectile = _altFireProjectile.Instantiate<Projectile>();
      projectile.Position = Position + new Vector3(0f, 1f, 0f);
      projectile.ParentCharacter = this;
      GetParent().AddChild(projectile);
      CanShoot = true;
      IsShooting = false;
   }

   private void AttackSprite(Vector3 direction)
   {
      var roundedDirection = direction.Round();

      if (roundedDirection == Vector3.Right)
      {
         _sprite.Play("AttackSide");
         _sprite.FlipH = false;
      }
      if (roundedDirection == Vector3.Left)
      {
         _sprite.Play("AttackSide");
         _sprite.FlipH = true;
      }
      if (roundedDirection == Vector3.Forward)
         _sprite.Play("AttackForward");
      if (roundedDirection == Vector3.Back)
         _sprite.Play("AttackBack");

      if (direction.IsEqualApprox(Vector3.Zero))
         _sprite.Play("AttackForward");
   }

   public new void OnHit(Node3D node)
   {
      if (this != null)
         _gameManager.CallDeferred(GameManager.MethodName.RemoveCharacter, this);
   }
}