Supports multi-languages

resources/config.yml

@@ -0,0 +1,2 @@
+availableLanguages: ["en_us"] # DON'T TOUCH THIS LINE
+lang: en_us

resources/lang/en_us.json

@@ -0,0 +1,5 @@
+{
+    "message.cache.running": "§eTask is running! Please wait until it is finished",
+    "message.cache.failed": "§cCould not get Poggit plugins list from Poggit: {%reason}",
+    "message.cache.successfully": "§a({%count}) Poggit plugins has been cached successfully"
+}

src/thebigcrafter/omp/OhMyPMMP.php

@@ -11,13 +11,54 @@
 
 namespace thebigcrafter\omp;
 
+use pocketmine\lang\Language;
 use pocketmine\plugin\PluginBase;
+use pocketmine\utils\SingletonTrait;
 use thebigcrafter\Fluorine\Fluorine;
-use thebigcrafter\Iodine\Iodine;
-use thebigcrafter\omp\utils\Internet;
+use thebigcrafter\omp\lang\OMPLanguage;
+use thebigcrafter\Sulfur\Path;
+
+final class OhMyPMMP extends PluginBase
+{
+	use SingletonTrait;
+
+	private OMPLanguage $language;
+
+	public function onLoad(): void
+	{
+		self::setInstance($this);
+	}
+
+	public function onEnable(): void
+	{
+		$this->saveDefaultConfig();
+		$this->loadLanguage();
 
-final class OhMyPMMP extends PluginBase {
-	public function onEnable() : void {
 		Fluorine::run();
 	}
-}
+
+	public function loadLanguage(): void
+	{
+		$langFolder = Path::join($this->getDataFolder(), "lang");
+		$selectedLanguage = $this->getConfig()->get("lang");
+		$selectedLanguagePath = Path::join($this->getDataFolder(), "lang", "$selectedLanguage.json");
+
+		if (!is_dir($langFolder)) {
+			@mkdir($langFolder);
+		}
+
+		/** @var string $lang */
+		foreach ((array) $this->getConfig()->get("availableLanguages") as $lang) {
+			if (!is_file($lang)) {
+				$this->saveResource(Path::join("lang/", "$lang.json"));
+			}
+		}
+
+		OMPLanguage::loadLanguageFile($selectedLanguage, $selectedLanguagePath);
+		$this->language = new OMPLanguage($selectedLanguage);
+	}
+
+	public function getLanguage() {
+		return $this->language;
+	}
+}

src/thebigcrafter/omp/commands/OMPCommand.php

@@ -0,0 +1,7 @@
+<?php
+
+declare(strict_types=1);
+
+namespace thebigcrafter\omp\commands;
+
+class OMPCommand {}

src/thebigcrafter/omp/lang/OMPLanguage.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace thebigcrafter\omp\lang;
+
+use Exception;
+use thebigcrafter\Sulfur\Filesystem;
+
+class OMPLanguage
+{
+    /** @var array<string, string> $languages */
+    private static array $languages;
+
+    private $default;
+
+    public static function loadLanguageFile(string $name, string $path)
+    {
+        if (!file_exists($path)) {
+            throw new Exception('File not found.');
+        }
+
+        self::$languages[$name] = json_decode(\thebigcrafter\omp\utils\Filesystem::readFile($path)->await() ?: '', true);
+    }
+
+    public function __construct(string $default)
+    {
+        if (!array_key_exists($default, self::$languages)) {
+            throw new Exception('Language not found');
+        }
+
+        $this->default = $default;
+    }
+
+    public function setDefaultLanguage(string $name)
+    {
+        if (!array_key_exists($name, self::$languages)) {
+            throw new Exception('Language not found');
+        }
+
+        $this->default = $name;
+    }
+
+    public function get(string $key)
+    {
+        if (!array_key_exists($key, self::$languages[$this->default])) {
+            throw new Exception("$key not found");
+        }
+
+        return self::$languages[$this->default][$key];
+    }
+}

src/thebigcrafter/omp/utils/Filesystem.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace thebigcrafter\omp\utils;
+
+use Exception;
+use thebigcrafter\Fluorine\Fluorine;
+use thebigcrafter\Iodine\DeferredFuture;
+use thebigcrafter\Iodine\Iodine;
+use thebigcrafter\Sulfur\Path;
+
+class Filesystem
+{
+    public static function readFile(string $path)
+    {
+        if (!file_exists($path)) {
+            throw new Exception("File not found");
+        }
+
+        return Iodine::async(function () use ($path) {
+            return file_get_contents($path);
+        });
+    }
+}

src/thebigcrafter/omp/utils/Internet.php

@@ -9,23 +9,19 @@
 use thebigcrafter\Iodine\DeferredFuture;
 use thebigcrafter\Iodine\Iodine;
 
-class Internet
+final class Internet
 {
     public static function fetch(string $url)
     {
-        $deferred = new DeferredFuture();
-
-        Fluorine::defer(function () use ($deferred, $url) {
+        return Iodine::async(function () use ($url) {
             try {
                 $res = \pocketmine\utils\Internet::getURL($url);
 
-                $deferred->complete($res->getBody());
+                return ($res->getBody());
             } catch (InternetException $e) {
-                $deferred->error($e);
+                throw $e;
             }
         });
-
-        return $deferred->getFuture();
     }
 
     public static function getRemoteFileSize(string $url)