using OpenTK;
using OpenTK.Input;
using StgSharp_Entity;
using StgSharp_Logic;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace StgSharp_Entity
{
    internal class Player:LinkedTarget
    {
		private uint gameTick;
		private uint beginTick;

		private readonly float _velocityHigh;
		private readonly float _vHighCorner;

		public float VelocityHigh
		{
			get { return _velocityHigh; }
		}

		private readonly float _velocityLow;
		private readonly float _vLowCorner;

		public float VelocityLow
		{
			get { return _velocityLow; }
		}

		private float _xLocation;

		public float XLocation
		{
			get { return _xLocation; }
			set { _xLocation = value; }
		}

		public float _yLocation;
		public float YLocation
		{
			get { return _yLocation; }
			set { _yLocation = value; }
		}

		private KeyboardState _keyboardState;

		public KeyboardState KeyboardState
		{
			get { return _keyboardState; }
			set { _keyboardState = value; }
		}


		public Player(float velocityHigh,float velocityLow,KeyboardState keyboardState)
		{
			this._velocityHigh = velocityHigh;
			this._vHighCorner = velocityHigh / 1.4142136f;
			this._velocityLow = velocityLow;
			this._vLowCorner = velocityLow / 1.4142136f;
			this._keyboardState = keyboardState;
		}

		private Launcher _launcherAtHigh;
		public Launcher LauncherAtHigh
		{
			get { return LauncherAtHigh; }
			set { LauncherAtHigh = value; }
		}

		private Launcher _launcherAtLow;

		public void Action()
		{
			if (_keyboardState.IsKeyDown(Key.ShiftLeft))
			{
				FastShoot();
				FastMove();
			}
		}

		/// <summary>
		/// 自机高速移动的简单方法
		/// </summary>
		public void SlowMove()
		{
            if (_keyboardState.IsKeyDown(Key.Up))
            {
                if (_keyboardState.IsKeyDown(Key.Left))
                {
                    this._yLocation += _vLowCorner;
                    this._xLocation -= _vLowCorner;
                }
                else if (_keyboardState.IsKeyDown(Key.Right))
                {
                    this._yLocation += _vLowCorner;
                    this._xLocation += _vLowCorner;
                }
                else
                {
                    this._yLocation += _velocityLow;
                }
            }
            else if (_keyboardState.IsKeyDown(Key.Down))
            {
                if (_keyboardState.IsKeyDown(Key.Left))
                {
                    this._yLocation -= _vLowCorner;
                    this._xLocation -= _vLowCorner;
                }
                else if (_keyboardState.IsKeyDown(Key.Right))
                {
                    this._yLocation -= _vLowCorner;
                    this._xLocation += _vLowCorner;
                }
                else
                {
                    this._yLocation -= _velocityLow;
                }

            }
            
        }

		/// <summary>
		/// 自机低速移动的简单方法
		/// </summary>
		public void FastMove()
		{
            if (_keyboardState.IsKeyDown(Key.Up))
            {
                if (_keyboardState.IsKeyDown(Key.Left))
                {
                    this._yLocation += _vHighCorner;
                    this._xLocation -= _vHighCorner;
                }
                else if (_keyboardState.IsKeyDown(Key.Right))
                {
                    this._yLocation += _vHighCorner;
                    this._xLocation += _vHighCorner;
                }
                else
                {
                    this._yLocation += _velocityHigh;
                }
            }
            else if (_keyboardState.IsKeyDown(Key.Down))
            {
                if (_keyboardState.IsKeyDown(Key.Left))
                {
                    this._yLocation -= _vHighCorner;
                    this._xLocation -= _vHighCorner;
                }
                else if (_keyboardState.IsKeyDown(Key.Right))
                {
                    this._yLocation -= _vHighCorner;
                    this._xLocation += _vHighCorner;
                }
                else
                {
                    this._yLocation -= _velocityHigh;
                }

            }

        }
        public void UseSkill()
		{
			if (_keyboardState.IsKeyDown(Key.X))
			{
				//new event added to use spell
			}
		}

		public void FastShoot()
		{
			if (_keyboardState.IsKeyDown(Key.Z))
			{

			}
		}
		public void SlowSoot()
		{
            if (_keyboardState.IsKeyDown(Key.Z))
            {

            }
        }
		
		public void Die()
		{
			
		}
	}
}