function ValidateEmail(email) {
	if(IsEmpty(email) || email.trim()=='') return { status:false, message:'email_cannot_be_empty' };
    var re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
	var result=re.test(String(email).toLowerCase());
	return { status:result, message:(result ? 'OK' : 'invalid_email_address') };
}

function Post(url, params, on_success, on_error) {
	$.ajax({
        url: url,
        type: 'post',
        data: params,
		dataType: 'json',
        success: function (response) {
			if(!IsEmpty(on_success)) on_success(response);
		},
        error: function(jqXHR, textStatus, errorThrown) {
			console.log(textStatus, errorThrown);
			if(!IsEmpty(on_error)) on_error(jqXHR, textStatus, errorThrown);
        }
    });
}

function PostUpload(url, params, on_success, on_error) {
	$.ajax({
		url : url,
		type : 'post',
		data : params,
		processData: false,  
		contentType: false,
		dataType: 'json',
		timeout: 60000,
		xhr: function () {
			var myXhr = $.ajaxSettings.xhr();
			if (myXhr.upload) {
				myXhr.upload.addEventListener('progress', function (event) {
					try {
						var percent = 0;
						var position = event.loaded || event.position;
						var total = event.total;
						var progress_bar_id = "#progress-wrp";
						if (event.lengthComputable) percent = Math.ceil(position / total * 100);
						$(progress_bar_id + " .progress-bar").css("width", +percent + "%");
						$(progress_bar_id + " .status").text(percent + "%");
					} catch(e) { }
				}, false);
			}
			return myXhr;
		},
		success: function (response) {
			if(!IsEmpty(on_success)) on_success(response);
		},
        error: function(jqXHR, textStatus, errorThrown) {
			console.log(textStatus, errorThrown);
			if(!IsEmpty(on_error)) on_error(jqXHR, textStatus, errorThrown);
        }
	});
}

function ForceHideModal() {
	$('#app_modal').modal('hide');
	$('body').removeClass('modal-open');
	$('.modal-backdrop').remove();
}

function ShowModal(title, message, button_positive, button_action, on_close_action) {
	message = message.replace(/(?:\r\n|\r|\n)/g, '<br>');
	if($('#app_modal').length) $('#app_modal').remove();
	var m='\
			<!-- Modal --> \
			<div class="modal fade" id="app_modal" role="dialog"> \
				<div class="modal-dialog"> \
					<!-- Modal content--> \
					<div class="modal-content"> \
						<div class="modal-header"> \
							<button type="button" class="close" data-dismiss="modal">&times;</button> \
							<h4 class="modal-title">' + title + '</h4> \
						</div> \
						<div class="modal-body"> \
							<p>' + message + '</p> \
						</div> \
						<div class="modal-footer"> \
							' + (!IsEmpty(button_positive) ? '<button type="button" class="btn btn-primary" id="app_modal_button_positive" onclick="' + button_action + '">' + button_positive + '</button>' : '') + ' \
							<button type="button" class="btn btn-default" data-dismiss="modal">Close</button> \
						</div> \
					</div> \
				</div> \
			</div>';
			
	$('body').append(m);
	$('#app_modal').modal('show');
	$('#app_modal').on('hidden.bs.modal', function () {
		if(!IsEmpty(on_close_action)) eval(on_close_action);
	});
}

function Redirect(url) {
	var u=url.split('?');
	var action=u[0];
	var inputs='';
	var params=u.length>1 ? u[1].split('&') : [];
	for(var i=0;i<params.length;i++) {
		var nv=params[i].split('=');
		if(nv.length==2) 
			inputs+='<input type="hidden" name="' + nv[0] + '" value="' + nv[1] + '" />';
	}
	
	if($('#form_redirect').length) $('#form_redirect').remove();
	var html='<form id="form_redirect" class="app_redirect_form" method="POST" action="' + action + '">' + inputs + '</form>';
	$('body').append(html);
	setTimeout(function() { $('#form_redirect').submit(); }, 500);
}

/*
function ValidateEmail(email) {
  var regex = /^([a-zA-Z0-9_.+-])+\@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/;
  return regex.test(email);
} */

function ValidateFormByType(form) {
	var has_error=false;
	
	$("input", form).each(function( index ) {
		$(this).removeClass('erroneous');
		
		if($(this).attr('offline')!=undefined) return;
		
		if($(this).attr('dont_check')!=undefined) return;
			
		if($(this).attr('type').toLowerCase()=='text' || $(this).attr('type').toLowerCase()=='email') {
			if($(this)[0].hasAttribute('not_null') && $(this).val().trim()=='') {
				$(this).addClass('erroneous');
				has_error=true;
			} else if($(this).attr('type').toLowerCase()=='email' && $(this).val().trim()!='' && ValidateEmail($(this).val()).status==false) {
				$(this).addClass('erroneous');
				has_error=true;
			} else if($(this).attr('id').toLowerCase()=='afm' && $(this).val().trim()!='' && ValidateAfm($(this).val())==false) {
				$(this).addClass('erroneous');
				has_error=true;
			}
		} else if($(this).attr('type').toLowerCase()=='number') {
			if($(this)[0].hasAttribute('not_null') && $(this).val().trim()=='') {
				$(this).addClass('erroneous');
				has_error=true;
			} else if(!$(this)[0].hasAttribute('not_null') && $(this).val().trim()!='' && isNaN(parseInt($(this).val().trim()))) {
				$(this).addClass('erroneous');
				has_error=true;
			}
		} else if($(this).attr('type').toLowerCase()=='password' && $(this).val().trim()=='') {
			$(this).addClass('erroneous');
			has_error=true;
		} else if($(this).attr('type').toLowerCase()=='file' && $(this).val().trim()=='') {
			$(this).addClass('erroneous');
			has_error=true;
		}
	});
	
	$("textarea", form).each(function( index ) {
		$(this).removeClass('erroneous');
		
		if($(this).attr('offline')!=undefined) return;
		
		if($(this).attr('dont_check')!=undefined) return;
		
		if($(this)[0].hasAttribute('not_null') && $(this).val().trim()=='') {
			$(this).addClass('erroneous');
			has_error=true;
		}
		
	});
	return !has_error;
}

function PostEditForm(form) {
	
	var has_upload=false;
	var params={};
	var upload_form_data=new FormData();
	
	$("textarea", form).each(function( index ) {
		if($(this).attr('offline')!=undefined) return;
		params[$(this).attr('id')]=$(this).val();
		upload_form_data.append($(this).attr('id'), $(this).val());
	});
	
	$("input:not(:checkbox):not(:file)", form).each(function( index ) {
		if($(this).attr('offline')!=undefined) return;
		params[$(this).attr('id')]=$(this).val();
		upload_form_data.append($(this).attr('id'), $(this).val());
	});
	
	$("input:checkbox", form).each(function( index ) {
		if($(this).attr('offline')!=undefined) return;
		params[$(this).attr('id')]=$(this).is(':checked') ? 1 : 0;
		upload_form_data.append($(this).attr('id'), $(this).is(':checked') ? 1 : 0);
	});
	
	$("input:file", form).each(function( index ) {
		if($(this).attr('offline')!=undefined) return;
		has_upload=true;
		params[$(this).attr('id')]= $(this)[0].files[0];
		upload_form_data.append($(this).attr('id'), $(this)[0].files[0]);
	});
	
	$("select", form).each(function( index ) {
		if($(this).attr('offline')!=undefined) return;
		params[$(this).attr('id')]=$(this).val();
		upload_form_data.append($(this).attr('id'), $(this).val());
	});
	
	if(has_upload) {
		$(form).css('filter', 'blur(3px)').css('webkitFilter', 'blur(3px)').css('mozFilter', 'blur(3px)').css('oFilter', 'blur(3px)').css('msFilter', 'blur(3px)').css('cursor', 'wait').prop('disable', true);
		PostUpload($(form).attr('save_link'), upload_form_data, 
			function (response) {
				$(form).css('cursor', 'default');
				if(IsEmpty(response) || response.is_error==undefined) {
					alert('Invalid server response');
				} else if(response.is_error) {
					alert(response.message);
				} else {
					window.location=$(form).attr('after_save_link');
				}
				$(form).css('filter', 'blur(0px)').css('webkitFilter', 'blur(0px)').css('mozFilter', 'blur(0px)').css('oFilter', 'blur(0px)').css('msFilter', 'blur(0px)').css('cursor', 'default').prop('disable', false);
			},
			function(jqXHR, textStatus, errorThrown) {
				alert(textStatus);
				$(form).css('filter', 'blur(0px)').css('webkitFilter', 'blur(0px)').css('mozFilter', 'blur(0px)').css('oFilter', 'blur(0px)').css('msFilter', 'blur(0px)').css('cursor', 'default').prop('disable', false);
			}
		);
	} else {
		$(form).css('filter', 'blur(3px)').css('webkitFilter', 'blur(3px)').css('mozFilter', 'blur(3px)').css('oFilter', 'blur(3px)').css('msFilter', 'blur(3px)').css('cursor', 'wait').prop('disable', true);
		Post($(form).attr('save_link'), params, 
			function (response) {
				$(form).css('cursor', 'default');
				if(IsEmpty(response) || response.is_error==undefined) {
					alert('Invalid server response');
				} else if(response.is_error) {
					alert(response.message);
				} else {
					window.location=$(form).attr('after_save_link');
				}
				$(form).css('filter', 'blur(0px)').css('webkitFilter', 'blur(0px)').css('mozFilter', 'blur(0px)').css('oFilter', 'blur(0px)').css('msFilter', 'blur(0px)').css('cursor', 'default').prop('disable', false);
			},
			function(jqXHR, textStatus, errorThrown) {
				alert(textStatus);
				$(form).css('filter', 'blur(0px)').css('webkitFilter', 'blur(0px)').css('mozFilter', 'blur(0px)').css('oFilter', 'blur(0px)').css('msFilter', 'blur(0px)').css('cursor', 'default').prop('disable', false);
			}
		);
	}
}

var simple_checkbox = function ( data, type, full, meta ) {
    var is_checked = data == true || data == 1 ? "checked" : "";
    return '<input type="checkbox" class="checkbox" disabled ' + is_checked + ' />';
}

function ViewDocument(document_id) {
						
	if(IsEmpty(document_id)) return;
	
	Post('/api/', { controller: 'document', action: 'view', id: document_id }, 
		function (response) {
			if(IsEmpty(response) || response.is_error==undefined) {
				ShowModal('Document', 'Invalid server response');
			} else if(response.is_error) {
				ShowModal('Document', response.message);
			} else {
				ShowModal('Document', response.data, 'Download', 'window.open(\'/api/?controller=document&action=get&dispose=1&id=' + document_id + '\', \'_blank\');');
			}
		},
		function(jqXHR, textStatus, errorThrown) {
			ShowModal('Dowcument', textStatus + '\n' + jqXHR.responseText);
		}
	);

}

function IsSet(look) {
	return look!=undefined && look!=null;
}

function IsEmpty(look) {
	return look==undefined || look==null || look=='';
}

function Includes(haystack, needle) {
	if(haystack==undefined || haystack==null || haystack=='') return false;
	else if(needle==undefined || needle==null || needle=='') return false;
	else return haystack.indexOf(needle)>=0;
}

var entity_map = {
  '&': '&amp;',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  "'": '&#39;',
  '/': '&#x2F;',
  '`': '&#x60;',
  '=': '&#x3D;'
};

function EscapeHtml(string) {
	return String(string).replace(/[&<>"'`=\/]/g, function (s) { return entity_map[s]; });
}

var Trim=function(text) {
	return String(text).replace(/^\s+|\s+$/gm,'');
}

function ValidateAfm(afm) {
	if (!afm.match(/^\d{9}$/) || afm == '000000000') return false;
    var m = 1, sum = 0;
    for(var i=7;i>=0;i--) {
        m*= 2;
        sum+=afm.charAt(i) * m;
    }
	return sum % 11 % 10 == afm.charAt(8);
}

function ReloadPage() {
	window.location.reload();
}

function isValidUrl(str) {
  const pattern = new RegExp(
    '^([a-zA-Z]+:\\/\\/)?' + // protocol
      '((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|' + // domain name
      '((\\d{1,3}\\.){3}\\d{1,3}))' + // OR ip (v4) address
      '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*' + // port and path
      '(\\?[;&a-z\\d%_.~+=-]*)?' + // query string
      '(\\#[-a-z\\d_]*)?$', // fragment locator
    'i'
  );
  return pattern.test(str);
}