Ajax Call Inside Plugin Class Status Code: 400 Bad Request

//pluginname/index.php

class _AjaxReviewLite_
{
    protected $postId;

    /**
     * _AjaxReviewLite_.
     * @param $wp_query
     */
    public function __construct($wp_query)
    {

        
        

        if ($wp_query && $wp_query->post) {
            $this->postId = $wp_query->post->ID;
            $this->setHooks;
        }
    }

    /**
     * Get Post Id
     * @return mixed
     */
    public function getPostId()
    {
        return $this->postId;
    }



    public function _review_lite_resources_()
    {
        wp_enqueue_style('review-lite-css', plugins_url('/css/style_.css', __FILE__));
        wp_enqueue_script('review-lite-js', plugins_url('/js/review-lite_.js', __FILE__), array('jquery-core'), 1, 1, 1);
        wp_localize_script('review-lite-js', 'asyncit', array('ajax_url' => admin_url('admin-ajax.php')));
        
    }


    //define function to show output
    public function _review_lite_($atts, $content = '', $tag)
    {

        return require_once plugins_url('/review-lite/inc/require_.php');
    }

    public function setHooks(){
        //resources being enqued
        add_shortcode('review_lite_', [$this, '_review_lite_']);
        add_action('wp_enqueue_scripts', [$this, '_review_lite_resources_']);
        
        //ajaxcall back
        add_action('wp_ajax_functionreviewsubmit', [$this, 'functionreviewsubmit']);
        add_action('wp_ajax_nopriv_functionreviewsubmit', [$this, 'functionreviewsubmit']);
        add_action('wp_ajax_functionreviewget', [$this, 'functionreviewget']);
        add_action('wp_ajax_nopriv_functionreviewget', [$this, 'functionreviewget']);
    }
}

/**
 * Start plugin
 */
add_action('wp', function () {
    global $wp_query;
    $_AjaxReviewLite_ = new _AjaxReviewLite_($wp_query);
});

 //review-lite-js

            $.ajax({
                url: asyncit.ajax_url,
                method: "POST",
                data: {
                    action: "functionreviewsubmit",
                    rating_data: rating_data,
                    user_name: user_name,
                    user_email: user_email,
                    user_review: user_review,
                },
                success: function (data) {
                    alert(data);

                }
            });
        

all of the ajax call back functions are defined i couldnt post it here its too long

iam getting error 400 bad request after inspecting xmlhttp requests

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