using UnityEngine;
using System.Collections;

public class PlayerMovement : MonoBehaviour
{
	public float turnSmoothing = 15f;	// A smoothing value for turning the player.
	public float speedDampTime = 0.1f;	// The damping for the speed parameter

	private Animator anim;				// Reference to the animator component.
	private HashIDs hash;				// Reference to the HashIDs.
	
	
	void Awake ()
	{
		// Setting up the references.
		anim = GetComponent<Animator>();
		hash = GameObject.FindGameObjectWithTag(Tags.gameController).GetComponent<HashIDs>();
	}
	
	
	void FixedUpdate ()
	{
		// Cache the inputs.
		float h = Input.GetAxis("Horizontal");
		float v = Input.GetAxis("Vertical");

		//MovementManagement(h, v, sneak);
		MovementManagement(h, v);
	}
	
	
	void Update ()
	{
		AudioManagement();
	}
	
	
	void MovementManagement (float horizontal, float vertical)
	{
		// If there is some axis input...
		if(horizontal != 0f || vertical != 0f)
		{
			// ... set the players rotation and set the speed parameter to 5.5f.
			Rotating(-horizontal, -vertical);
			anim.SetFloat(hash.speedFloat, 5.5f, speedDampTime, Time.deltaTime);
		}
		else
			// Otherwise set the speed parameter to 0.
			anim.SetFloat(hash.speedFloat, 0);
	}
	
	
	void Rotating (float horizontal, float vertical)
	{
		// Create a new vector of the horizontal and vertical inputs.
		Vector3 targetDirection = new Vector3(horizontal, 0f, vertical);
		
		// Create a rotation based on this new vector assuming that up is the global y axis.
		Quaternion targetRotation = Quaternion.LookRotation(targetDirection, Vector3.up);
		
		// Create a rotation that is an increment closer to the target rotation from the player's rotation.
		Quaternion newRotation = Quaternion.Lerp(GetComponent<Rigidbody>().rotation, targetRotation, turnSmoothing * Time.deltaTime);
		
		// Change the players rotation to this new rotation.
		GetComponent<Rigidbody>().MoveRotation(newRotation);
	}
	
	
	void AudioManagement ()
	{
		// If the player is currently in the run state...
		if(anim.GetCurrentAnimatorStateInfo(0).fullPathHash == hash.locomotionState)
		//if(anim.GetCurrentAnimatorStateInfo(0).nameHash == hash.locomotionState)
		{
			// ... and if the footsteps are not playing...
			if(!GetComponent<AudioSource>().isPlaying)
				// ... play them.
				GetComponent<AudioSource>().Play();
		}
		else
			// Otherwise stop the footsteps.
			GetComponent<AudioSource>().Stop();
	}
}