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

public partial class PlayerManager : Manager
{
    public Ball _hoveredBall = null;
    public PlaceholderBall _hoveredPlaceholderBall = null;
    public PlaceholderBall _heldPlaceholderBall = null;
    public Worker _hoveredWorker = null;
    public ManagerPanel _managerPanel = null;
    public Panel _ballReturn = null;

    public override void _Ready()
    {
        SetSprite("res://art/ness.png");

        _managerPanel = GetNode<ManagerPanel>("Panel");
        _managerPanel.SetPosition(new Vector2(100, 150));
        _managerPanel.SetSprite(_imagePath);
        _managerPanel.SetValue(_health);
        _managerPanel.SetMax(_healthMax);

        Ball newBall;
        newBall = _ballScene.Instantiate<Ball>();
        newBall.SetSprite("res://art/cue_ball.png");
        _balls.Add(0, newBall);

        for (int i = 1; i <= 7; i++)
        {
            newBall = _ballScene.Instantiate<Ball>();
            newBall.SetSprite("res://art/ball_" + i + ".png");
            _balls.Add(i, newBall);
        }
        
    }

    public override void _Process(double DELTA_)
    {
        // Panel ballReturn = GetNode<ManagerPanel>("Panel").GetNode<Panel>("BallReturn");
        // WORKER.ChangeBallPosition(new Vector2(ballReturn.GlobalPosition.X + ballReturn.Size.X / 2, ballReturn.GlobalPosition.Y + 50));

        if (_ready)
        {
            if ((_selectedBall == null || _selectedBall != _hoveredBall) && (_hoveredBall?._available ?? false))
            {
                if (Input.IsActionJustReleased("left_click"))
                {
                    _selectedBall = _hoveredBall;
                    _selectedBall._selected = true;
                    _cue.Don(_selectedBall.Position);
                }
            }
            else if (Input.IsActionJustReleased("right_click"))
            {
                _selectedBall._selected = false;
                _selectedBall = null;
                _cue.Doff();
            }
            else if (_hoveredBall == null)
            {
                if (Input.IsActionJustReleased("left_click") && _selectedBall != null && _cue._power == 0)
                {
                    _selectedBall._selected = false;
                    _selectedBall = null;
                    _cue.Doff();
                }
            }
        }
        else
        {
            if (_heldPlaceholderBall != null)
            {
                Vector2 mousePosition = GetViewport().GetMousePosition();
                _heldPlaceholderBall.Position = mousePosition;
                if (Input.IsActionJustReleased("left_click"))
                {
                    int index = _placeholderBalls.Single(p => p.Value == _heldPlaceholderBall).Key;
                    PlaceBall(_balls[index], mousePosition);
                    _heldPlaceholderBall = null;
                    if (_balls.Where(b => b.Value._placed).ToList().Count >= _placeLimit)
                    {
                        _ready = true;
                    }
                }
            }
            else
            {
                if (Input.IsActionJustReleased("left_click"))
                {
                    _heldPlaceholderBall = _hoveredPlaceholderBall;
                }
            }
        }

    }

    public override void ChangeHealth(int CHANGE)
    {
        base.ChangeHealth(CHANGE);
        GetNode<ManagerPanel>("Panel").SetValue(_health);
    }

    public override void Start()
    {
        for (int i = 0; i < _placeholderBalls.Count; i++)
        {
            _placeholderBalls[i].Position = new Vector2(_ballReturn.GlobalPosition.X + _ballReturn.Size.X / 2, _ballReturn.GlobalPosition.Y + 50 * (i + 1));
            _placeholderBalls[i].AddChild(_placeholderBalls[i]);
        }
    }

    public void HoverBall(Ball BALL, bool HOVERED)
    {
        if (HOVERED)
        {
            if (_hoveredBall == null)
            {
                _hoveredBall = BALL;
            }
        }
        else
        {
            if (_hoveredBall == BALL)
            {
                _hoveredBall = null;
            }
        }

    }
}