using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class InfantryController : MonoBehaviour
{
	[SerializeField]
	private float _moveSpeed = 6.0f;
	[SerializeField]
	private float _jumpVelocity = 4f;
	[SerializeField]
	private float _isGroundedDelay = 0.215f;

	private float _yVelocity = 0f;
	private float _isGroundedCountDown = 0f;
	private bool _wasGrounded;

	private CharacterController _playerController;


	private void Start () {
		_playerController = GetComponent<CharacterController>();
		_wasGrounded = _playerController.isGrounded;
		_playerController.detectCollisions = true;
	}

	private void Update () {
		isGrounded();
		move();

	}

	private void move () {
		Vector3 input = new Vector3(Input.GetAxisRaw("Horizontal"), 0, Input.GetAxisRaw("Vertical"));
		Vector3 velocity = transform.TransformDirection(input).normalized * _moveSpeed;

		if (_isGroundedCountDown >= 0 && Input.GetKey(KeyCode.Space)) {
			_yVelocity = _jumpVelocity * Input.GetAxisRaw("Jump");
			_isGroundedCountDown = -1f;
		}
		else {
			//if (_yVelocity < -10f)
				//_yVelocity += Physics.gravity.y * Time.deltaTime;
			//else
				_yVelocity += Physics.gravity.y / 20f;
		}
		velocity.y = _yVelocity;

		_playerController.Move(velocity * Time.deltaTime);
	}

	private void isGrounded () {
		if (!_playerController.isGrounded && _wasGrounded)
			_isGroundedCountDown = _isGroundedDelay;
		else if (!_playerController.isGrounded && !_wasGrounded)
			_isGroundedCountDown -= Time.deltaTime;
		else if (_playerController.isGrounded && !_wasGrounded)
			_isGroundedCountDown = _isGroundedDelay;

		_wasGrounded = _playerController.isGrounded;
	}

	//This is WIP for jump pads
	public void AddForce (float x, float y, float z, ForceMode mode) {
		_yVelocity = y;
		_isGroundedCountDown = -1f;
	}

	private void FixedUpdate () {

	}


}