---

using UnityEngine;
using UnityEngine.InputSystem;

[RequireComponent(typeof(CharacterController))]
[RequireComponent(typeof(Animator))]
public class ThirdPersonController : MonoBehaviour
{
	[Header("Movement Settings")]
	public float walkSpeed = 2f;
	public float runSpeed = 4f;
	public float sprintSpeed = 6f;
	public float turnSmoothTime = 0.15f;
	
	[Header("Animation Settings")]
	public float speedSmoothTime = 0.1f;
	
	[Header("Jump & Gravity")]
	public float jumpHeight = 1.2f;
	public float gravity = -9.81f;
	
	private CharacterController controller;
	private Animator animator;
	private Transform cameraTransform;
	
	private float turnSmoothVelocity;
	private float speedSmoothVelocity;
	private float currentSpeed;
	
	private Vector3 velocity;
	private bool isGrounded;
	
	private InputAction moveAction;
	private InputAction jumpAction;
	private InputAction sprintAction;
	
	void Awake() {
		moveAction = new InputAction("Move", binding: "<Gamepad>/leftStick");
		moveAction.AddCompositeBinding("Dpad")
		.With("Up", "<Keyboard>/w")
		.With("Down", "<Keyboard>/s")
		.With("Left", "<Keyboard>/a")
		.With("Right", "<Keyboard>/d");
		
		jumpAction = new InputAction("Jump", binding: "<Keyboard>/space");
		jumpAction.AddBinding("<Gamepad>/buttonSouth");
		
		sprintAction = new InputAction("Sprint", binding: "<Keyboard>/leftShift");
		sprintAction.AddBinding("<Gamepad>leftTrigger");
	}
	
	void OnEnable() 
	{
		moveAction.Enable();
		jumpAction.Enable();
		sprintAction.Enable();
	}
	
	void OnDisable()
	{
		moveAction.Disable();
		jumpAction.Disable();
		sprintAction.Disable();
	}
	
	void Start()
	{
		controller = GetComponent<CharacterController>();
		animator = GetComponent<Animator>();
		cameraTransform = Camera.main.transform;
	}
	
	void Update()
	{
		isGrounded = controller.isGrounded;
		if(isGrounded && velocity.y < 0)
		{
			velocity.y = -2f;
		}
		
		Vector2 input = moveAction.ReadValue<Vector2>();
		Vector3 direction = new Vector3(input.x, 0f, input.y).normalized;
		
		float targetSpeed = 0f;
		
		if(direction.magnitude >= 0.1f)
		{
			float targetAngle = Mathf.Atan2(direction.x, direction.z) * Mathf.Rad2Deg + cameraTransform.eulerAngles.y;
			float angle = Mathf.SmoothDampAngle(transform.eulerAngles.y, targetAngle, ref turnSmoothVelocity, turnSmoothTime);
			transform.rotation = Quaternion.Euler(0f, angle, 0f);
			
			bool isSprinting = sprintAction.IsPressed();
			targetSpeed = isSprinting ? sprintSpeed : runSpeed;
			
			if(direction.magnitude < 0.5f) targetSpeed = walkSpeed;
		}
	
	currentSpeed = Mathf.SmoothDamp(currentSpeed, targetSpeed, ref speedSmoothVelocity, speedSmoothTime);
	controller.Move(transform.forward * currentSpeed * Time.deltaTime);
	
	if(jumpAction.triggered && isGrounded)
	{
		velocity.y = Mathf.Sqrt(jumpHeight * -2f * gravity);
		animator.SetTrigger("Jump");
	}
	
	
	velocity.y += gravity * Time.deltaTime;
	controller.Move(velocity * Time.deltaTime);
	
	animator.SetFloat("Speed", currentSpeed);
	animator.SetBool("isGrounded", isGrounded);
	}
}