/*--------------------------------
    SLib Configuration system
----------------------------------*/

/*----------------------------
    Folders
------------------------------*/

file.CreateDir("slib_configs");

/*----------------------------
    Stuff
------------------------------*/

SLib.Config.All = { }; // All configurations are stored here

var values = { };

/*----------------------------
    Configuration class
------------------------------*/

class SLib_Config {

	var AddonId, AddonNiceName;

	// Default values table: { Name, Type, Value, Description }
	var DefaultValues = { };
	var Values = { };

	/*
		Registers default value
	*/
	function RegisterValue(name, type, value, description) {
		this.DefaultValues[#this.DefaultValues + 1] = {
			Name = name,
			Type = type,
			Value = value,
			Description = description
		};

		this:SetValue(name, value); // Add the value into Values table
	}

	/*
		Sets config value
	*/
	function SetValue(name, value) {
		this.Values[name] = value;
	}

	/*
		Gets config value
	*/
	function GetValue(name, value) {
		return this.Values[name];
	}

	/*
		Builds the config and calls the hook
	*/
	function Save() {
		var built = this:Build();

		hook.Call("SLib_ConfigReloaded", null, this.AddonId, built);

		file.Write("slib_configs/" .. this.AddonId .. ".txt", util.TableToJSON(this.Values));
	}

	/*
		Loads the config from a file
	*/
	function LoadFromFile() {
		if(!file.Exists("slib_configs/" .. this.AddonId .. ".txt" ,"DATA"))
			return;

		print(this.AddonNiceName .. " configuration has been loaded from file");

		var data = util.JSONToTable(file.Read("slib_configs/" .. this.AddonId .. ".txt"));

		this.Values = data;
	}

	/*
		Finishes
	*/
	function Finish() {
		this:LoadFromFile();

		// TODO: Sending to clients
	}

	/*
		Builds a table with all config values
	*/
	function Build() {
		var tbl = { };

		foreach(var k, v in this.Values) {
			tbl[k] = v;
		}

		return tbl;
	}
}

/*----------------------------
    Functions
------------------------------*/

/*
	Creates a new configuration object.
	Called only in configuration file, to initialize settings.
*/
function SLib.Config.Create(addonId, addonNiceName) {
	var config = SLib_Config();
	config.AddonId = addonId;
	config.AddonNiceName = addonNiceName;

	SLib.Config.All[addonId] = config;

	return config;
}

/*----------------------------
    Tests
------------------------------*/

/*
	var config = SLib.Config.Create("test_config", "Test Configuration");
	config:RegisterValue("SuperVar2", "", "Default Value", "Description");
	config:Finish();
*/

#if DEBUG

file.Delete("slib_configs/test_config.txt");

// Create a simple config

var config = SLib.Config.Create("test_config", "Test Configuration");

config:RegisterValue("SuperVar", "", "Hello", "Description");
config:RegisterValue("SuperVar2", "", "Kek", "xD");

config:Finish();
config:Save(); // Save it

// Load and change a value

var built = config:Build();

if(built.SuperVar != "Hello") {
	error(_FILENAME_ .. _LINE_ ..": Value isn't valid");
}


config = SLib.Config.Create("test_config", "Test Configuration");

config:RegisterValue("SuperVar", "", "Hello", "Description");
config:RegisterValue("SuperVar2", "", "Kek", "xD");

config:Finish();

config:SetValue("SuperVar2", 123);

config:Save();

// Load once again and test

config = SLib.Config.Create("test_config", "Test Configuration");

config:RegisterValue("SuperVar", "", "Hello", "Description");
config:RegisterValue("SuperVar2", "", "Kek", "xD");

config:Finish();

var built = config:Build();

if(built.SuperVar != "Hello") {
	error(_FILENAME_ .. _LINE_ ..": Value isn't valid");
}

if(built.SuperVar2 != 123) {
	error(_FILENAME_ .. _LINE_ ..": Value isn't valid");
}

#endif