add i18n system and improved plugin API with state management

src/client/environment.js

@@ -1,14 +1,14 @@
 import os from "os";
 
 /**
- * Detecta se o processo está rodando dentro do Termux.
+ * Detect if running inside Termux.
  */
 export const isTermux =
   (os.platform() === "linux" || os.platform() === "android") &&
   process.env.PREFIX?.startsWith("/data/data/com.termux");
 
 /**
- * Retorna a config de Puppeteer adequada ao ambiente.
+ * Return Puppeteer config suitable for the environment.
  * @returns {import("puppeteer").LaunchOptions}
  */
 export function resolvePuppeteerConfig() {

src/client/qrHandler.js

@@ -1,25 +1,26 @@
 import qrcode   from "qrcode-terminal";
 import path     from "path";
 import { logger } from "../logger/logger.js";
+import { t }      from "../i18n/index.js";
 import { isTermux } from "./environment.js";
 
 const QR_PATH = path.resolve("qr.png");
 
 /**
- * Exibe ou salva o QR Code conforme o ambiente.
- * @param {string} qr  — string bruta do evento "qr"
+ * Display or save QR Code based on environment.
+ * @param {string} qr  — raw string from "qr" event
  */
 export async function handleQR(qr) {
   if (isTermux) {
     try {
       await QRCode.toFile(QR_PATH, qr, { width: 400 });
-      logger.info(`QR Code salvo em: ${QR_PATH}`);
-      logger.info(`Abra com: termux-open qr.png`);
+      logger.info(t("system.qrSaved", { path: QR_PATH }));
+      logger.info(t("system.qrOpen"));
     } catch (err) {
-      logger.error("Falha ao salvar QR Code:", err.message);
+      logger.error(t("system.qrSaveFailed"), err.message);
     }
   } else {
-    logger.info("Escaneie o QR Code abaixo:");
+    logger.info(t("system.qrScan"));
     qrcode.generate(qr, { small: true });
   }
 }

src/client/whatsappClient.js

@@ -1,19 +1,20 @@
 import pkg                    from "whatsapp-web.js";
 import { CLIENT_ID }          from "../config.js";
 import { logger }             from "../logger/logger.js";
+import { t }                  from "../i18n/index.js";
 import { isTermux, resolvePuppeteerConfig } from "./environment.js";
 import { handleQR }           from "./qrHandler.js";
 import { printBanner }        from "./banner.js";
 
 export const { Client, LocalAuth, MessageMedia } = pkg;
 
-// ── Ambiente ─────────────────────────────────────────────────
+// ── Environment ───────────────────────────────────────────────
 logger.info(isTermux
-  ? "Ambiente: Termux — usando Chromium do sistema"
-  : `Ambiente: ${process.platform} — usando Puppeteer padrão`
+  ? t("system.environmentTermux")
+  : t("system.environment", { platform: process.platform, puppeteer: "system Puppeteer" })
 );
 
-// ── Instância ─────────────────────────────────────────────────
+// ── Instance ──────────────────────────────────────────────────
 export const client = new Client({
   authStrategy: new LocalAuth({ clientId: CLIENT_ID }),
   puppeteer: {
@@ -27,20 +28,20 @@ export const client = new Client({
   },
 });
 
-// ── Eventos ───────────────────────────────────────────────────
+// ── Events ────────────────────────────────────────────────────
 client.on("qr", handleQR);
 
 client.on("ready", () => {
   printBanner();
-  logger.success("WhatsApp conectado e pronto!");
-  logger.info(`Client ID: ${CLIENT_ID}`);
+  logger.success(t("system.connected"));
+  logger.info(t("system.clientId", { id: CLIENT_ID }));
 });
 
 client.on("disconnected", (reason) => {
-  logger.warn(`Desconectado — motivo: ${reason}`);
-  logger.info("Reconectando em 5s...");
+  logger.warn(t("system.disconnected", { reason }));
+  logger.info(t("system.reconnecting", { seconds: 5 }));
   setTimeout(() => {
-    logger.info("Reinicializando cliente...");
+    logger.info(t("system.reinitializing"));
     client.initialize();
   }, 5000);
 });