module.exports = {
	print_r : print_r,
	ObjDump : ObjDump
};

// function trace(msg) {
//	console.log( '['+(new Date().toLocaleString())+'] '+ msg);
// }

var max_print_r_depth = 2
function print_r(obj, t, d) {

	// define tab spacing
	var tab = t || '';

	// define depth
	var depth = d || 1;

	// check if it's array
	var isArr = Object.prototype.toString.call(obj) === '[object Array]';
	
	// use {} for object, [] for array
	var str = isArr ? ('Array\n' + tab + '[ \n') : ('Object\n' + tab + '{ \n');

	// walk through it's properties
	for (var prop in obj) {
		if (obj.hasOwnProperty(prop)) {
			var val1 = obj[prop];
			var val2 = '';
			var type = Object.prototype.toString.call(val1);
			switch (type) {
				
				// recursive if object/array
				case '[object Array]':
				case '[object Object]':
					if(depth <= max_print_r_depth)
						val2 = print_r(val1, (tab + '  '), depth+1);
					else
						val2 = type;
					break;
					
				case '[object String]':
					if(val1.length > 40)
						val2 = '\'' + val1.substring(0, 40) + '\'';
					else
						val2 = '\'' + val1 + '\'';
					break;

				case '[object Function]':
				case '[object Uint8Array]':
					val2 = type;
					break;
					
				default:
					val2 = val1;
			}
			str += tab + '  ' + prop + ' => ' + val2 + ',\n';
		}
	}
	
	// remove extra comma for last property
	str = str.substring(0, str.length - 2) + '\n' + tab;
	
	return isArr ? (str + ']') : (str + '}');
}

function ObjDump (obj) {
	console.log( '['+(new Date().toLocaleString())+'] '+ print_r(obj) );
}