// Log of diagnositics -- node module version

var wrapper = function(){

var logger = {};

///////////////////////// Logging

//

//bitmask levels

var TNONE = 0;

var TERROR = 1;

var TWARN = 2;

var TMESG = 4;

var TSUCCESS = 8;

var TINFO = 16;

var TDEBUG = 32;

var TALL = 63;

logger.level = TERROR + TWARN + TMESG;

logger.ascending = false;

logger.msg = function (str, type, typestr) {

if (!type) { type = TMESG; typestr = 'mesg'};

if (!(logger.level & type)) return; //bitmask

if (typeof document != 'undefined') { // Not AJAX environment

var log_area = document.getElementById('status');

if (!log_area) return;

// Local version to reduce dependencies

var escapeForXML = function(str) { // don't use library one in case ithasn't been loaded yet

return str.replace(/&/g, '&amp;').replace(/</g, '&lt;')

};

var addendum = document.createElement("span");

addendum.setAttribute('class', typestr);

var now = new Date();

addendum.innerHTML = now.getHours() + ":" + now.getMinutes() + ":" + now.getSeconds()

+ " [" + typestr + "] "+ escapeForXML(str) + "<br/>";

if (!logger.ascending)

log_area.appendChild(addendum);

else

log_area.insertBefore(addendum, log_area.firstChild);

} else if (typeof console != 'undefined') { // node.js

console.log(str);

} else {

var f = (dump ? dump : print );

if (!f) throw "log: No way to output message: "+str;

f("Log: "+str + '\n');

}

} //logger.msg

logger.warn = function(msg) { logger.msg(msg, TWARN, 'warn') };

logger.debug = function(msg) { logger.msg(msg, TDEBUG, 'dbug') };

logger.info = function(msg) { logger.msg(msg, TINFO, 'info') };

logger.error = function(msg) { logger.msg(msg, TERROR, 'eror') };

logger.success = function(msg) { logger.msg(msg, TSUCCESS, 'good') };

if (typeof alert !== 'undefined'){

logger.alert = alert;

} else {

logger.alert = logger.warn

}

/** clear the log window **/

logger.clear = function(){

var x = document.getElementById('status');

if (!x) return;

//x.innerHTML = "";

emptyNode(x);

} //clearStatus

/** set the logging level **/

logger.setLevel = function(x) {

logger.level = TALL;

logger.debug("Log level is now "+x);

logger.level = x;

}

logger.dumpStore = function(){

var l = logger.level

if (1) { // For Henry Story

var sz = Serializer();

//sz.suggestNamespaces(kb.namespaces);

str = sz.statementsToN3(kb.statements);

logger.level = TALL;

logger.debug('\n'+str);

} else { // crude

logger.level = TALL;

logger.debug("\nStore:\n" + kb + "__________________\n");

logger.debug("subject index: " + kb.subjectIndex[0] + kb.subjectIndex[1]);

logger.debug("object index: " + kb.objectIndex[0] + kb.objectIndex[1]);

}

logger.level = l;

}

logger.dumpHTML = function(){

var l = logger.level;

logger.level = TALL;

logger.debug(document.innerHTML);

logger.level = l

}

return logger

}// wrapper

module.exports = wrapper()