using Godot;
using System;
using System.Collections.Generic;
using System.Linq;

/// TODO alter code to player vs computer to account for differing logic
public partial class Manager : Node2D
{
	public bool _dead, _ready, _moving;
	public int _ballsMoving = 0, _health = 10, _healthMax, _speed = 5;
	public string _imagePath;
	public CollisionShape2D _startArea;
	public ManagerPanel _managerPanel = null;
	public Sprite2D _image;
	public Desk _desk = null;
	public Cell _cell;
	public List<Cell> _moves = new();
	public Manager _opponent;
	public List<Worker> _workers = new();
	public Node _workerNode;
	public Worker _hoveredWorker, _selectedWorker, _heldWorker;
	// public List<Tchotchke> _tchotckes = new();

	public override void _Ready()
	{
		_workerNode = GetNode("Workers");
		_healthMax = _health;

		SetSprite("res://art/ness.png");

		// _managerPanel = GetNode<ManagerPanel>("Panel");
		_desk = GetNode<Desk>("Desk");
		_desk.Setup(15, 20);
		_cell = _desk.GetCellFromAddress(1, 1);
		
		// _movements.Insert(0, _deskPosition);
		_image = GetNode<Sprite2D>("Image");
		_image.GlobalPosition = _cell.GlobalPosition;

		// _managerPanel.SetManager(this);
		for (int i = 0; i < Globals.Instance._random.Next(3, 6); i++)
		{
			AddWorker(null);
		}
	}

	public override void _Process(double DELTA_)
	{
		ChainMovement();
		ChainSelection();
	}

	public void AddWorker(Worker NEWWORKER)
	{
		Worker newWorker = NEWWORKER ?? Globals.Instance._workerScene.Instantiate<Worker>();
		newWorker._cell = _desk.GetCellFromAddress(1, 1);
		newWorker.Position = newWorker._cell.GlobalPosition;
		newWorker._manager = this;
		_workers.Add(newWorker);
		_workerNode.AddChild(newWorker);
		
		// newWorker.SetHovered += SetHoveredWorker;
	}

	public void ChainMovement()
	{
		Vector2 direction = Vector2.Zero;
		if (Input.IsActionJustPressed("move_up"))
		{
			direction = Vector2.Up;
		}
		else if (Input.IsActionJustPressed("move_down"))
		{
			direction = Vector2.Down;
		}
		else if (Input.IsActionJustPressed("move_left"))
		{
			direction = Vector2.Left;
		}
		else if (Input.IsActionJustPressed("move_right"))
		{
			direction = Vector2.Right;
		}

		if (direction != Vector2.Zero)
		{
			GD.Print(_cell._row + (int)direction.Y, _cell._column + (int)direction.X);
			Cell newCell = _desk.GetCellFromAddress(_cell._row + (int)direction.Y, _cell._column + (int)direction.X);
			if (newCell != null)
			{
				GD.Print(_cell._row, _cell._column);
				if (_moves.Count > 0)
				{
					for (int i = 0; i < _workers.Count && i < _moves.Count; i++)
					{
						_workers[i]._cell = _moves[i];
						_workers[i].GlobalPosition = _workers[i]._cell.GlobalPosition;
					}
				}
				_cell = newCell;
				_moves.Insert(0, newCell);
				_image.GlobalPosition = _cell.GlobalPosition;
			}
		}
	}

	public void ChainSelection()
	{
		// if (_heldWorker != null)
		// {
		// 	_heldWorker.GlobalPosition = GetGlobalMousePosition();
		// 	if (_hoveredWorker != null && _heldWorker != _hoveredWorker)
		// 	{
		// 		SwapPositions(_heldWorker, _hoveredWorker);
		// 		_hoveredWorker._hovered = false;
		// 		_hoveredWorker = null;
		// 	}
		// 	if (Input.IsActionJustReleased("left_click"))
		// 	{
		// 		_heldWorker.GlobalPosition = _desk.GetPositionFromAddress((int)_heldWorker._deskPosition.Y, (int)_heldWorker._deskPosition.X);
		// 		_heldWorker._held = false;
		// 		_heldWorker = null;
		// 		_hoveredWorker._hovered = false;
		// 		_hoveredWorker = null;
		// 	}
		// }
		// else
		// {
		// 	if (_selectedWorker != null)
		// 	{
		// 		if (Input.IsActionPressed("left_click") && (GetGlobalMousePosition() - _selectedWorker._chainPosition).Length() > 5)
		// 		{

		// 			_heldWorker = _selectedWorker;
		// 			_heldWorker._held = true;
		// 			_heldWorker._selected = false;
		// 			_selectedWorker = null;
		// 		}
		// 	}
		// 	if (_hoveredWorker != null)
		// 	{
		// 		if (Input.IsActionJustPressed("left_click"))
		// 		{
		// 			_selectedWorker = _hoveredWorker;
		// 			_selectedWorker._selected = true;
		// 			_selectedWorker._hovered = false;
		// 			_hoveredWorker = null;
		// 		}
		// 	}
		// }
	}

	public void ChangeHealth(int CHANGE)
	{
		_health += CHANGE;
		_health = Math.Min(_health, _healthMax);

		if (_health < 0)
		{
			_dead = true;
			_health = 0;
		}

		GetNode<ManagerPanel>("Panel").SetValue(_health);
	}

	public void SetSprite(string PATH)
	{
		_imagePath = PATH;
	}

	// public void Start()
	// {
	// 	_workers[0].GlobalPosition = _desk.GetPositionFromAddress(1, 1);
	// }

	private void SetHoveredWorker(Worker HOVEREDWORKER)
	{
		if (HOVEREDWORKER._hovered)
		{
			_hoveredWorker = HOVEREDWORKER;
		}
		else
		{
			_hoveredWorker = null;
		}
	}
	
}