using System;
using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.InputSystem.XR;

public class Player : MonoBehaviour
{
    [SerializeField]
    private float _moveSpeed = 5f;
    [SerializeField]
    private float _gravity = 10f;
    [SerializeField]
    private float _jumpHeight = 50f;

    private float _yVelocity;

    [SerializeField]
    private bool _isGrounded = false;

    private float _lastGrounded = -1;

    private CharacterController _characterController;
    private PlayerInputs _playerInputs;

    [SerializeField]
    private float _groundingThreshold = 0.1f;

    private void Start()
    {
        if (!TryGetComponent<CharacterController>(out _characterController)) {
            Debug.LogError("Character controller could not be found for the player");
            Debug.Break();
        }
    }

    private void Awake()
    {
        _playerInputs = new PlayerInputs();
        _playerInputs.Default.Enable();
        _playerInputs.Default.Jump.performed += Jump_performed;
    }

    private bool RecentlyGrounded()
    {
        return Time.time - _lastGrounded <= _groundingThreshold;
    }

    private void Jump_performed(UnityEngine.InputSystem.InputAction.CallbackContext obj)
    {
        if (_isGrounded)
        {
            Debug.Log("Jumping");
            Vector3 velocity = _characterController.velocity;
            _yVelocity += _jumpHeight;
            _isGrounded = false;
        }
    }

    private void FixedUpdate()
    {
        // Because being grounded is a physics thing, it's better to check it during FixedUpdate
        // and then cache it.
        _isGrounded = _characterController.isGrounded;
        if (_isGrounded)
        {
            _lastGrounded = Time.time;
        }
    }

    private void Update()
    {
        Vector2 playerMovement = _playerInputs.Default.Movement.ReadValue<Vector2>();
        Vector3 velocity = _characterController.velocity;
        if (_isGrounded)
        {
            velocity = new Vector3(0, 0, playerMovement.x) * _moveSpeed;
        } else
        {
            _yVelocity -= _gravity;
        }

        velocity.y = _yVelocity;

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