/**
 * [clickOnUrl Calls the service which increments the click to action statistic, by seeing data in json via an ajax request]
 *
 * @param  {[type]} anchor [description]
 *
 * @return {[type]}        [description]
 */
function clickOnUrl(anchor){
	
	let name;
    let label = anchor.getElementsByClassName('label-clicktoaction')[0].innerHTML;

    // Raw text recovery (without html char)
    if (anchor.getElementsByClassName('name-clicktoaction').length > 0){
    
        name = anchor.getElementsByClassName('name-clicktoaction')[0].innerHTML;
    }else{

        name = label;
    }

	var data = {
		"content":{
			"href": anchor.href, 
			"name": name, 
			"label": label, 
			"ref_user": "", 
			"ref_question": "", 
			"login": "",  
			"space": ""
		}
	};

	var xhttp = new XMLHttpRequest();
	xhttp.onreadystatechange = function() {
		if (this.readyState == 4 && this.status == 200) {
			return true;
		}
	};
	xhttp.responseType = 'json';
	xhttp.open("POST", "https://teambrain.app/centralBrain/front/page/statButton/statButton.php", true);

	xhttp.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
	xhttp.send( JSON.stringify(data) );
}