using Godot;
using System;

public partial class player : ship // Inherits from base ship class
{   
	public enum ShipColor{RED, GREEN, BLUE}

	[Signal]
	public delegate void  HealthUpdateEventHandler(int health);
	
	[Signal]
	public delegate void PlayerDeathEventHandler();

	[Export]
	public ShipColor color;
	
	[Export]
	public float FlightAssistValue { get; set; } = 2.5f;

	public void GetInput()
	{
		/*LookAt(GetGlobalMousePosition()); //used for mouse-based rotation and movement
		Velocity = Transform.X * Input.GetAxis("down", "up") * Speed;
		*/
		
		// Movement, could probably move into its own methods instead of GetInput()
		_rotationDirection = (int)Input.GetAxis("left", "right");
		Velocity += (Transform.X * Input.GetAxis("strafe_left", "strafe_right") * StrafeSpeed) + (Transform.Y * Input.GetAxis("up", "down") * MainSpeed);
		Velocity = Velocity.LimitLength(MaxSpeed);

		//move into selection statement for toggling between fa off and on
		if(Input.GetAxis("strafe_left", "strafe_right") == 0){
			Velocity = Velocity.MoveToward(Vector2.Zero, FlightAssistValue);
		}
		else if(Input.GetAxis("down", "up") == 0){
			Velocity = Velocity.MoveToward(Vector2.Zero, FlightAssistValue);
		}

		//FA toggle
		if (Input.IsActionJustPressed("toggle_fa"))
		{
			ToggleFlightAssist();
		}
	}

    public override void ShipDamage(int damage)
    {
        base.ShipDamage(damage);
		EmitSignal(SignalName.HealthUpdate, Health);
    }

	public void ToggleFlightAssist()
	{
		if (FlightAssistValue == 0f){FlightAssistValue = 2.5f;}
		else {FlightAssistValue = 0;}
	}

    public override void _Ready()
	{	
		SetupVisual();
		GD.Print(faction);

		switch(color)
		{
			case ShipColor.RED:
			this.spritePath = this.spritePath + "ShipRed.png";
			break;
			
			case ShipColor.GREEN:
			this.spritePath = this.spritePath + "ShipGreen.png";
			break;
			
			case ShipColor.BLUE:
			this.spritePath = this.spritePath + "ShipBlue.png";
			break;
		}
		GD.Print(spritePath);
		Sprite.Texture = GD.Load<Texture2D>(spritePath);


		LaserSpawn = GetNode<Node2D>("LaserSpawn");
		//Connect("body_entered" +=)
		SetShipStats();
		Health = MaxHealth;
		EmitSignal(SignalName.HealthUpdate, Health);
	}

	public override void _Process(double delta)
	{
		if(Input.IsActionJustPressed("shoot"))
		{
			ShootLaser();
		}

		if (Health <= 0)
		{
			EmitSignal(SignalName.PlayerDeath);
		}

	}
	public override void _PhysicsProcess(double delta)
	{ // every frame
		GetInput();
		Rotation += _rotationDirection * RotationSpeed * (float)delta;
		Velocity.LimitLength(MaxSpeed);
		
		MoveAndSlide();

		/*
		if (Position.Y < 0) {Position = new Vector2(Position.X, ScreenSize.Y);}
		if (Position.Y > ScreenSize.Y) {Position = new Vector2(Position.X, 0);}
		if (Position.X < 0) { Position = new Vector2(ScreenSize.X, Position.Y);}
		if (Position.X > ScreenSize.X) { Position = new Vector2(0, Position.Y);}
		*/
	}
}