let login_is_visible = (document.currentScript.getAttribute('data-is-visible') == "true");
let urlParams = new URLSearchParams(window.location.search);

if (login_is_visible)
{	
	let login_lang = document.currentScript.getAttribute('data-lang');
	let login_callback = document.currentScript.getAttribute('data-callback');
	let login_parent_element_class = document.currentScript.getAttribute('data-parent-element-class');
	var login_profile_avatar_image = document.currentScript.getAttribute('data-avatar-element-class');
	var login_version = document.currentScript.getAttribute('data-version');
	if ((!login_version) ||
		(login_version == ""))
	{
		login_version = 1;
	}	

	let login_callback_exists = (login_callback) && (typeof window[login_callback] === "function");
	let login_parent_element_class_exists = (login_parent_element_class);
	
	function ResizeElement(element)
	{
		$(element).show();					
	}

	if ((login_callback_exists) || 
		(login_parent_element_class_exists))
	{		
		let original_url = window.location.href;
		if (window.location.pathname == "/login_widget.php")
			original_url = urlParams.get("original_url");	
		
		$.ajax({
			type: "POST",
			url: "/login_widget.php",
			data: {
				"lang": login_lang, 
				"mode": "login_widget_ajax", 
				"version": login_version,
				"original_url": original_url
			},
			success: function (response) 
			{								
				if ((response) &&
					(response != ""))
				{
					let server_answer = JSON.parse(response);								
					if (server_answer.status == "ok")
					{						
						if ((login_profile_avatar_image) &&
							(server_answer.profile_avatar_image_html))
						{
							$("." + login_profile_avatar_image).each(function () 
							{											
								$(this).html(server_answer.profile_avatar_image_html);															
							});		
						}
						if (login_parent_element_class_exists) 
						{																	
							$("." + login_parent_element_class).each(function () 
							{											
								$(this).html(server_answer.html);							
								ResizeElement(this);
							});							
						}
						if (login_callback_exists) {
							window[login_callback](server_answer);
						}				
					}			
				}
			},
			error: function (thrownError) 
			{
				// do nothing
			}
		});
	}	
}