using System;
using Unity.Netcode;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.PlayerLoop;
using Random = UnityEngine.Random;

namespace Game {
	public class Player : NetworkBehaviour {

		private int score;
		
		protected bool GoingLeft, GoingRight;

		// Units per second
		private float baseSpeed = 10;

		// Unit distance from zero
		private float baseBorder = 7;
		
		private SpeedModification speedModification;
		private BorderModification borderModification;

		private float GetSpeed() {
			return baseSpeed;
		}

		private float GetBorder() {
			return baseBorder;
		}
		
		private float LeftSide() {
			return X() - transform.localScale.x / 2;
		}

		private float RightSide() {
			return X() + transform.localScale.x / 2;
		}

		protected float X() {
			return transform.position.x;
		}

		protected void TryMove(float h) {
			Vector2 trans = new Vector2((GoingLeft ? -1 : 0) + (GoingRight ? 1 : 0), 0);
			trans *= baseSpeed * h;
			transform.Translate(trans);
			Debug.Log(trans.magnitude);
			if (LeftSide() < -baseBorder)
				transform.Translate(Vector2.right * (-baseBorder - LeftSide()));
			if (RightSide() > baseBorder) 
				transform.Translate(Vector2.left * (RightSide() - baseBorder));
		}
	}

	public class AIPlayer : Player {
		public enum Difficulty {
			VeryEasy, Easy, Medium, Hard, VeryHard
		}

		private Difficulty difficulty = Difficulty.VeryEasy;

		private float GetTargetPosition() {
			
			
			return 0;
		}

		private void FixedUpdate() {
			float target = GetTargetPosition();
			const float h = 1;
			GoingLeft = target < X() - h;
			GoingRight = target > X() + h;
			TryMove(Time.fixedDeltaTime);
		}
	}

	public class RealPlayer : Player {
		private void FixedUpdate() {
			var keyboard = Keyboard.current;
			GoingLeft = keyboard.aKey.isPressed;
			GoingRight = keyboard.dKey.isPressed;

			TryMove(Time.fixedDeltaTime);
		}
	}
}