Sizerboard = function(inputs){
	
	const self = this, 
		  default_settings = {
			  nulls : false, 
			  default_value : null, 
			  default_text : "", 
			  autostart : true, 
			  default_language : "english", 
			  timeout : 2000, 
			  print_format : "[{type}] {yyyy}{mm}{dd} {hh}{ii}{ss} [{line}]{file}({method}): {message}", 
			  gui_mode : "light", 
			  frames_per_second : 24, 
			  position : "body", 
			  default_settings_files : [
			  	  "/json/Sizerboard.settings.json", 
			  	  "/json/Sizerboard.settings.secrets.json"
			  ], 
			  object_name : "sizerboard"
		  }, 
		  settings = {}, 
		  sentences = {}, 
		  print_types = [
			  ["unkn", "unknown"], 
			  ["info", "information"], 
			  [" ok ", "ok", "yes", "y"], 
			  ["erro", "error", "wrong"], 
			  ["warn", "warning"], 
			  ["exce", "except", "exception"], 
			  ["note", "test", "tests", "notes", "data"]
		  ], 
		  print_styles = {
			  unkn : {
				  dark : "color : #AAA;", 
				  light : "color : #666;"
			  }, 
			  info : {
				  dark : "color : #99F;", 
				  light : "color : #009;"
			  }, 
			  ok : {
				  dark : "color : #9F9;", 
				  light : "color : #090;"
			  }, 
			  note : {
				  dark : "color : #222;", 
				  light : "color : #EFEFEF;"
			  }
		  }, 
		  threads = [], 
		  hashes = [];
	let started = false, 
		language, default_language, 
		allow_settings_nulls, default_text, default_value, 
		ajax_timeout, 
		print_format = "[{type}] {yyyy}{mm}{dd} {hh}{ii}{ss} [{line}]{file}({method}): {message}", 
		gui_mode = "light", 
		threads_interval, 
		frames_per_second = 24, 
		preload_timeout = 2000, 
		hashes_alphabet, hashes_length;

    const re_trace_block = new RegExp("^(" + [
        /\s*at\s+(([^\s]+)\s+\()?(([^\(\)\:]+\:)?[^\(\)\:]+)(\:([0-9]+)\:[0-9]+)?\)?/.source, // Webkit
        /([^\@]+)\@([^:]+\:[^\:]+)\:([0-9]+)\:[0-9]+/.source, // Gecko
    ].join("|") + ")$");

	let object_name = this.object_name;
	let item_self = this.item_self = document;
	let hash_self = this.hash_self;

	let base = this.base;
	let views = this.views;
	let projects = this.projects;
	let draw_box = this.draw_box;
	
	const construct = () => {

		basic_values();

		self.print("info", "sizerboard_building");

		object_name = self.object_name = self.settings("object_name");

		base = self.base = new Sizerboard.Base(self, inputs);
		views = self.views = new Sizerboard.Views(self, inputs);
		projects = self.projects = new Sizerboard.Projects(self, inputs);
		draw_box = self.draw_box = new Sizerboard.DrawBox(self, inputs);

		self.print("ok", "sizerboard_built");

		self.settings("autostart") && self.start();

	};

	const basic_values = () => {

		default_value = self.settings("default_value", null, null, true);
		default_text = self.settings("default_text");
		allow_settings_nulls = self.settings("nulls", null, false, false);
		language = self.settings(["language", "default_language"]);
		default_language = self.settings(["default_language", "language"]);
		ajax_timeout = self.settings(["ajax_timeout", "timeout"]);
		print_format = self.settings("print_format");
		gui_mode = self.settings("gui_mode");

	};
	
	this.start = callback => {
		
		const end = status => typeof callback == "function" && callback(status);

		self.print("info", "sizerboard_starting");
		
		if(started){
			self.print("warn", "sizerboard_already_started");
			end(false);
			return false;
		};
		started = true;

		basic_values();

		self.print("info", "settings_loading");
		self.execute_array_items(["default_settings_files", "settings_files"], (key, callback) => {
			self.settings_add(self.settings(key), true, callback);
			basic_values();
		}, () => {
			self.print("ok", "settings_loaded");

			frames_per_second = self.settings("frames_per_second");
			preload_timeout = self.settings(["preload_timeout", "timeout"]);
			hashes_alphabet = self.settings(["hashes_alphabet", "alphabet"]);
			hashes_length = self.settings(["hashes_length", "length"]);

			threads_interval = setInterval(threads_method, 1000 / frames_per_second);

			self.print("info", "i18n_loading");
			self.execute_array_items(["default_i18n_files", "i18n_files"], (key, callback) => {
				self.i18n_add(self.settings(key), true, callback);
			}, () => {
				self.print("ok", "i18n_loaded");

				self.execute_array_items([views, base, projects, draw_box], (item, callback) => {
					item.start(callback);
				}, () => {
					self.print("ok", "sizerboard_started");
					end(true);
				});
			});
		});
		
		return true;
	};
	
	this.nulls = nulls => typeof nulls == "boolean" ? nulls : allow_settings_nulls;
	
	this.default_value = (_default, nulls) => _default !== undefined && (_default !== null || self.nulls(nulls)) ? _default : default_value;

	this.set_keys = keys => (typeof keys == "object" && keys instanceof Array ? keys : [keys]).filter(key => typeof key == "string" && key.trim()).map(key => key.trim());
	
	this.settings = (keys, own_inputs, _default, nulls) => {
		
		const m = (keys = self.set_keys(keys)).length;
		
		if(m){
			
			const l = (own_inputs = (
				own_inputs == "object" ? own_inputs instanceof Array ? own_inputs : [own_inputs] : []
			).concat(
				[inputs, settings, default_settings]
			)).length;
			
			nulls = self.nulls(nulls);
			
			for(let i = 0; i < l; i ++)
				if(own_inputs[i] && typeof own_inputs[i] == "object")
					for(let j = 0; j < m; j ++)
						if(own_inputs[i][keys[j]] !== undefined && (nulls || own_inputs[i][keys[j]] !== null))
							return own_inputs[i][keys[j]];
		};
		return self.default_value(_default, nulls);
	};
	
	this.load_file = (url, callback) => {
		
		let ended = false;
		const ajax = new XMLHttpRequest(), 
			  end = message => !ended && (ended = true) && typeof callback == "function" && callback(ajax.responseText, ajax.status, ajax.readyState, message, message == "OK");
			  timeout = ajax_timeout, 
			  date = Date.now();
			  
		ajax.open("get", url, true);
		ajax.timeout = timeout;
		ajax.onreadystatechange = () => {
			if(ended)
				return;
			if(ajax.readyState == 4)
				end((ajax.status >= 200 && ajax.status < 300) || [301, 302, 304].includes(ajax.status) ? "OK" : "HTTP_ERROR");
			else if(Date.now() - date > timeout)
				end("FORCED_TIMEOUT");
		};
		ajax.send(null);
		
		ajax.onabort = () => end("ABORTED");
		ajax.onerror = () => end("ERROR");
		ajax.ontimeout = () => end("TIMEOUT");
		
		return ajax;
	};

	this.execute_json = (data, yes, no) => {

		let json;

		try{
			json = JSON.parse(data);
		}catch(exception){};

		if(json)
			typeof yes == "function" && yes(json);
		else 
			typeof no == "function" && no();

	};
	
	this.execute_array_dictionaries = (inputs, partial_callback, full_callback, i) => {
		
		if(!inputs || typeof inputs != "object" || !(inputs instanceof Array) || (i || (i = 0)) >= inputs.length){
			typeof full_callback == "function" && full_callback();
			return;
		};
		
		const end = () => {
			inputs[i] && typeof inputs[i] == "object" && typeof partial_callback == "function" && partial_callback(inputs[i]);
			self.execute_array_dictionaries(inputs, partial_callback, full_callback, i + 1);
		};
		
		if(!inputs[i]){
			end();
			return;
		};
		
		if(typeof inputs[i] == "object"){
			if(inputs[i] instanceof Array)
				self.execute_array_dictionaries(inputs[i], partial_callback, end, 0);
			else 
				end();
		}else if(typeof inputs[i] == "string"){
			if(/^(\{(.|[\r\n])*\}|\[(.|[\r\n])*\])$/.test(inputs[i].trim()))
				self.execute_json(inputs[i], json => self.execute_array_dictionaries(json instanceof Array ? json : [json], partial_callback, end, 0), end);
			else 
				self.load_file(inputs[i], data => {
					self.execute_json(data, json => self.execute_array_dictionaries(json instanceof Array ? json : [json], partial_callback, end, 0), end);
				});
		}else 
			end();
		
	};
	
	this.execute_array_items = (items, action, callback, i) => {
		(typeof items != "object" || !(items instanceof Array)) && (items = [items]);
		
		if(!items || (i || (i = 0)) >= items.length){
			typeof callback == "function" && callback();
			return;
		};
		
		const end = () => self.execute_array_items(items, action, callback, i + 1);
		
		if(typeof action == "function")
			action(items[i], end);
		else 
			end();
		
	};
	
	this.settings_add = (inputs, overwrite, callback) => {
		typeof overwrite != "boolean" && (overwrite = settings_overwrite);
		self.execute_array_dictionaries(inputs, data => {
			for(const key in data)
				(overwrite || settings[key] === undefined) && 
				!/^Sizerboard.*_(start|end)$/.test(key) && 
				(settings[key] = data[key]);
		}, callback);
	};

	this.i18n_add = (inputs, overwrite, callback) => {
		typeof overwrite != "boolean" && (overwrite = i18n_overwrite);
		self.execute_array_dictionaries(inputs, data => {
			for(const language in data){
				!sentences[language] && (sentences[language] = {});
				if(typeof data[language] == "object")
					for(const key in data[language])
						(overwrite || sentences[language][key] === undefined) && 
						!/^Sizerboard.*_(start|end)$/.test(key) && 
						(sentences[language][key] = data[language][key]);
			};
		}, callback);
	};

	this.string_variables = (string, variables, _default) => {

		const l = (variables = (
			typeof variables == "object" && variables instanceof Array ? variables : [variables]
		).filter(variables => typeof variables == "object")).length;

		return ("" + string).replace(/\{([^\{\}]+)\}/g, (all, key) => {
			for(let i = 0; i < l; i ++)
				if(variables[i][key] !== undefined)
					return variables[i][key];
			return _default !== undefined ? _default : all;
		});
	};

	this.default_text = _default => _default !== undefined ? _default : default_text;

	const i18n = (keys, _default) => {

		const m = (keys = self.set_keys(keys)).length;

		if(m){
			
			const languages = [language, default_language].concat(Object.keys(sentences)).filter((language, i, array) => array.indexOf(language) == i), 
				  l = languages.length;

			for(let i = 0; i < l; i ++)
				if(sentences[languages[i]])
					for(let j = 0; j < m; j ++)
						if(sentences[languages[i]][keys[j]] !== undefined)
							return sentences[languages[i]][keys[j]];
			return keys[0];
		};
		return self.default_text(_default);
	};

	this.i18n = (keys, variables, _default) => {
		
		const text = i18n(keys, _default);
		
		return self.string_variables(typeof text == "object" ? text.join("") : text, variables, _default);
	};

	this.get_print_type = type => {

		const l = print_types.length;

		type = type.toLowerCase();

		for(let i = 0; i < l; i ++)
			if(print_types[i].includes(type))
				return print_types[i][0].toUpperCase();
		return print_types[0][0];
	};

    this.get_trace = i => (new Error()).stack.replace(/^Error\s*?[\r\n]+/, "").trim().split(/[\r\n]+/).slice(1 + (i || 0)).map(line => {

        const matches = line.match(re_trace_block);

        return matches ? {
            file : matches[4] || matches[9], 
            method : matches[3] || matches[8] || "", 
            line : Number(matches[7] || matches[10])
        } : null;
    }).filter(line => line);

	this.print = (type, message, variables, i) => {

		const date = new Date(), 
			  own = {
  				  ...((
				  	  variables ? typeof variables == "object" ? [variables] : variables instanceof Array ? variables : [] : []
  				  ).reduce((results, set) => typeof set == "object" ? {...results, ...set} : results, {})), 
				  ...self.get_trace(i || 1)[0], 
  				  raw_type : type, 
  				  type : self.get_print_type(type)
  			  };

		["year", "month", "day", "hours", "minutes", "seconds"].forEach(key => {

			const k = key != "minutes" ? key[0] : "i";

			own[k + k] = ("00" + (own[k] = (own[key] = date["get" + (
				key == "year" ? "FullYear" : 
				key == "day" ? "Date" : 
				key[0].toUpperCase() + key.substring(1)
			)]()) % 100)).slice(-2);

		});
		own.yyyy = own.year;

		const final_message = self.string_variables(print_format, {
			...own, 
			message : self.i18n(message, own)
		});

		switch(own.type){
			case "INFO":
				console.log("%c" + final_message, print_styles.info[gui_mode]);
			break;
			case " OK ":
				console.log("%c" + final_message, print_styles.ok[gui_mode]);
			break;
			case "ERRO":
			case "EXCE":
				console.error(final_message);
			break;
			case "WARN":
				console.warn(final_message);
			break;
			case "NOTE":
				console.log("%c" + final_message, print_styles.note[gui_mode]);
			break;
			case "UNKN":
			default:
				console.log("%c" + final_message, print_styles.unkn[gui_mode]);
			break;
		};

	};

	const threads_method = () => threads.forEach(thread => {
		if(thread)
			try{
				thread();
			}catch(exception){};
	});

	this.thread_add = callback => {

		let error = (
				callback === undefined ? 1 << 0 : 
				callback === null ? 1 << 1 : 
				typeof callback != "function" ? 1 << 2 : 
			0) << 1, 
			i = null;

		if(!error){

			const l = threads.length;

			for(i = 0; i < l; i ++)
				if(!threads[i])
					break;
			
			threads[i] = callback;

		};

		return [i, error];
	};

	this.thread_remove = i => {

		let error = (
			i === undefined ? 1 << 0 : 
			i === null ? 1 << 1 : 
			isNaN(i) ? 1 << 2 : 
			i != i >> 0 ? 1 << 3 : 
			i < 0 ? 1 << 4 : 
			i >= threads.length ? 1 << 5 : 
		0) << 1;

		!i && (threads[i] = null);

		return error;
	};

	this.preload = (selector, callback) => {

		let callback_is_function = typeof callback == "function", 
			error = (
				((
					selector === undefined ? 1 << 0 : 
					selector === null ? 1 << 1 : 
				0) << 0) | 
				((
					callback === undefined ? 1 << 0 : 
					callback === null ? 1 << 1 : 
					!callback_is_function ? 1 << 2 : 
				0) << 10) | 
			0) << 1, 
			item = null, 
			asynchronous = false;
		const end = () => callback_is_function && callback(item, error, asynchronous);

		if(!error){
			switch(typeof selector){
				case "string":
					if(!(error |= (
						!selector ? 1 << 5 : 
						!(selector = selector.trim()) ? 1 << 6 : 
					0) << 5)){

						try{
							(item = item_self.querySelector(selector)) && end();
						}catch(exception){
							error |= 1 << 7;
							end();
						};

						if(!item && !error){

							const date = Date.now(), 
								  [thread, suberror] = self.thread_add(() => {
									  if(item = item_self.querySelector(selector)){
										  self.thread_remove(thread);
										  end();
									  }else if(Date.now() - date > preload_timeout){
										  self.thread_remove(thread);
										  error |= 1 << 8;
										  end();
									  };
								  });

						};

					};
				break;
				case "object":
					if(selector.tagName || selector.nodeName)
						item = selector;
					else 
						error |= 1 << 4;
					end();
				break;
				default:
					error |= 1 << 3;
					end();
				break;
			};
		};

		return error;
	};

	this.hash = () => {

		let hash;
		const l = hashes_alphabet.length;

		do{
			hash = "";
			while((hash += hashes_alphabet[Math.random() * l >> 0]).length < hashes_length);
		}while(
			hashes.includes(hash) || 
			/^[0-9]/.test(hash) || 
			document.querySelector("#" + hash + ",." + hash + ",[name=" + hash + "]")
		);
		hashes.push(hash);

		return hash;
	};

	this.build_preloader = callback => {

		const hash = self.hash();

		self.preload("[data-preloader=" + hash + "]", (preloader, error, asynchronous) => {
			typeof callback == "function" && callback(error ? null : preloader.parentNode, error, asynchronous);
			preloader.remove();
		});

		return `<div data-preloader="` + hash + `"></div>`;
	};

	this.set_self = (item, hash) => {
		
		let error = ((
			((item_self.tagName || item_self.nodeName) != "#document" ? 1 << 0 : 0) | 
			(hash_self ? 1 << 1 : 0) | 
		0) || (
			((
				item === undefined ? 1 << 0 : 
				item === null ? 1 << 1 : 
				typeof item != "object" ? 1 << 2 : 
				!item.tagName && !item.nodeName ? 1 << 3 : 
				(item.tagName || item.nodeName) == "#document" ? 1 << 4 : 
			0) << 2) | 
			((
				hash === undefined ? 1 << 0 : 
				hash === null ? 1 << 1 : 
				typeof hash != "string" ? 1 << 2 : 
				!hash ? 1 << 3 : 
				!hash.trim() ? 1 << 4 : 
				hash != hash.trim() ? 1 << 5 : 
				hash.split("").some(character => !hashes_alphabet.includes(character)) ? 1 << 6 : 
				hash.length < hashes_length ? 1 << 7 : 
			0) << 7) | 
		0)) << 1;

		if(!error){
			item_self = self.item_self = item;
			hash_self = self.hash_self = hash;
		};

		return error;
	};
	
	construct();
	
};