using UnityEngine;

namespace Cinemachine.Examples
{

[AddComponentMenu("")] // Don't display in add component menu
public class CharacterMovement2D : MonoBehaviour
{
    public KeyCode sprintJoystick = KeyCode.JoystickButton2;
    public KeyCode jumpJoystick = KeyCode.JoystickButton0;
    public KeyCode sprintKeyboard = KeyCode.LeftShift;
    public KeyCode jumpKeyboard = KeyCode.Space;
    public float jumpVelocity = 7f;
    public float groundTolerance = 0.2f;
    public bool checkGroundForJump = true;

    float speed = 0f;
    bool isSprinting = false;
    Animator anim;
    Vector2 input;
    float velocity;
    bool headingleft = false;
    Quaternion targetrot;
    Rigidbody rigbody;

	// Use this for initialization
	void Start ()
	{
	    anim = GetComponent<Animator>();
	    rigbody = GetComponent<Rigidbody>();
	    targetrot = transform.rotation;        
	}
	
#if ENABLE_LEGACY_INPUT_MANAGER
	// Update is called once per frame
	void FixedUpdate ()
	{
		input.x = Input.GetAxis("Horizontal");

        // Check if direction changes
	    if ((input.x < 0f && !headingleft) || (input.x > 0f && headingleft))
	    {  
            if (input.x < 0f) targetrot = Quaternion.Euler(0, 270, 0);
	        if (input.x > 0f) targetrot = Quaternion.Euler(0, 90, 0);
	        headingleft = !headingleft;
	    }
        // Rotate player if direction changes
        transform.rotation = Quaternion.Lerp(transform.rotation, targetrot, Time.deltaTime * 20f);

		// set speed to horizontal inputs
	    speed = Mathf.Abs(input.x);
        speed = Mathf.SmoothDamp(anim.GetFloat("Speed"), speed, ref velocity, 0.1f);
        anim.SetFloat("Speed", speed);

        // set sprinting
	    if ((Input.GetKeyDown(sprintJoystick) || Input.GetKeyDown(sprintKeyboard))&& input != Vector2.zero) isSprinting = true;
	    if ((Input.GetKeyUp(sprintJoystick) || Input.GetKeyUp(sprintKeyboard))|| input == Vector2.zero) isSprinting = false;
        anim.SetBool("isSprinting", isSprinting);
    }
#endif
    private void Update()
    {
#if ENABLE_LEGACY_INPUT_MANAGER
        // Jump
	    if ((Input.GetKeyDown(jumpJoystick) || Input.GetKeyDown(jumpKeyboard)))
	    {
		    rigbody.AddForce(new Vector3(0, jumpVelocity, 0), ForceMode.Impulse);
	    }
#else
	    InputSystemHelper.EnableBackendsWarningMessage();
#endif
	}


    public bool isGrounded()
    {
        if (checkGroundForJump)
            return Physics.Raycast(transform.position, Vector3.down, groundTolerance);
        else
            return true;
    }
}

}