using Godot;
using System;

public partial class player : Camera3D
{
	private const string _path = "/root/player/";

	[Export]
	private Label _con;
	[Export]
	private Label _mousePosLabel;
	[Export]
	private Label _cursorPosLabel;
	[Export]
	private RayCast3D _cursor;
	[Export]
	private Node3D _cursorPoint;
	private bool _mUp, _mDown, _mLeft, _mRight, _wIn, _wOut;

	[Export]
	private PackedScene _test_building;

	[Export]
	private TextureProgressBar _nuke, _pr, _kash;

	[Export]
	private Label _chatter;

	[Export]
	private AudioStreamPlayer _sndChtr, _sndBtn;

	[Export]
	private Timer _tmrChtr;

	private float Nuke { get => (float)_nuke.Value; set => _nuke.Value = value; }
	private float PR { get => (float)_pr.Value; set => _pr.Value = value; }
	private float Kash { get => (float)_kash.Value; set => _kash.Value = value; }

	private string Chatter
	{
		get => _chatter.Get("text").ToString(); set
		{
			if (!(bool)_tmrChtr.Get("is_stopped") && value != "")
				_sndChtr.Play();
			_chatter.Set("text", value);
			_tmrChtr.Start();
		}
	}

	public Node3D CurrentBuilding { get; set; }

	public override void _Ready()
	{
		//for debugging TODO: Remove
		game_manager.CurrentState = game_manager.State.Building;
		if (_test_building != null)
		{
			CurrentBuilding = _test_building.Instantiate<Node3D>();
			GD.Print(CurrentBuilding);

			GetTree().Root.CallDeferred("add_child", CurrentBuilding);
		}
		_tmrChtr.Start();
		_tmrChtr.Timeout += () => Chatter = "";
	}

	public override void _Process(double delta)
	{
		Vector3 rot = this.Rotation;
		bool zin = true, zout = true;

		if (Input.IsActionPressed("CamNorth"))
			_mUp = true;
		if (Input.IsActionPressed("CamSouth"))
			_mDown = true;
		if (Input.IsActionPressed("CamEast"))
			_mRight = true;
		if (Input.IsActionPressed("CamWest"))
			_mLeft = true;

		this.Rotation -= rot;
		if (this.Position.Y < 5)
			zin = false;
		else if (this.Position.Y > 45)
			zout = false;
		if (_mLeft && this.Position.X > -30)
			this.Translate(new Vector3((float)-delta * 10, 0, 0));
		if (_mRight && this.Position.X < 30)
			this.Translate(new Vector3((float)delta * 10, 0, 0));
		if (_mUp && this.Position.Z > -25)
			this.Translate(new Vector3(0, 0, (float)-delta * 10));
		if (_mDown && this.Position.Z < 25)
			this.Translate(new Vector3(0, 0, (float)delta * 10));
		this.Rotation += rot;

		if (_wIn && zin)
			this.Translate(new Vector3(0, 0, (float)-delta * 10));
		if (_wOut && zout)
			this.Translate(new Vector3(0, 0, (float)delta * 10));

		_con.Set("text", this.Position);


		if (_cursor != null && _cursorPoint != null)
		{
			//Get the collision with map and change its X and Z value to always be in the center of a tile
			Vector3I collisionVector = (Vector3I)_cursor.GetCollisionPoint();
			_cursorPosLabel.Text = "Virtual Cursor Postion" + collisionVector.ToString();
			_cursorPoint.GlobalPosition = new Vector3(collisionVector.X - collisionVector.X % 2, 1.1f, collisionVector.Z - collisionVector.Z % 2);

			if (game_manager.CurrentState == game_manager.State.Building)
				HandleBuilding();
		}
	}

	public override void _Input(InputEvent @event)
	{
		_mLeft = _mRight = _mUp = _mDown = _wIn = _wOut = false;

		if (@event is InputEventMouseMotion mouse)
		{
			Vector2 vec = mouse.Position;
			if (vec.X < 5)
				_mLeft = true;
			else if (vec.X > 1915)
				_mRight = true;
			if (vec.Y < 20)
				_mUp = true;
			else if (vec.Y > 1060)
				_mDown = true;


			_mousePosLabel.Text = "Mouse position: " + vec.ToString();

			_cursor.Position = new Vector3(
				(vec.X - GetViewport().GetVisibleRect().Size.X / 2) * this.Position.Y / 1000,
				-((vec.Y - GetViewport().GetVisibleRect().Size.Y / 2) * this.Position.Y / 1000)
				, 0
				);
		}
		else if (@event is InputEventMouseButton mousebtn)
		{
			if (mousebtn.ButtonIndex == MouseButton.WheelUp)
				_wIn = true;
			else if (mousebtn.ButtonIndex == MouseButton.WheelDown)
				_wOut = true;
		}

	}

	public void HandleBuilding()
	{
		if (CurrentBuilding != null)
		{
			CurrentBuilding.GlobalPosition = _cursorPoint.GlobalPosition;

			if (Input.IsActionJustPressed("build"))
			{
				Node3D tempBuilding = (Node3D)CurrentBuilding.Duplicate();
				GetTree().Root.CallDeferred("add_child", tempBuilding);
			}
		}
	}
}