Improve_Language_Change_Logic

src/main.js

@@ -182,15 +182,36 @@ bot.use(async (ctx, next) => {
 // Language Selection Handlers
 const setLanguage = async (ctx, lang) => {
     try {
+        await ctx.answerCbQuery(); // Stop loading animation
+
+        // 1. Update Database
         await User.updateOne({ id: ctx.from.id }, { language: lang });
+
+        // 2. Update Context Locale Immediately
         const locales = require('./locales');
         ctx.i18n = locales[lang];
 
-        await ctx.deleteMessage();
-        await ctx.reply(ctx.i18n.language_set);
-        userController.start(ctx); // Show main menu in new language
+        // 3. Clean up previous valid/invalid messages
+        try {
+            await ctx.deleteMessage();
+        } catch (e) {
+            // Message might be too old or already deleted
+        }
+
+        // 4. Send Confirmation in NEW Language
+        await ctx.reply(`✅ ${ctx.i18n.language_set}`, { parse_mode: 'HTML' });
+
+        // 5. Refresh Main Menu with NEW Language Buttons
+        // We pass a flag or text to start to indicate a refresh, 
+        // but userController.start(ctx) usually handles simple menu generation.
+        // Let's ensure it sends the FULL welcome text again or just the menu.
+        // For "Maximal Logic", resetting to the main menu with a fresh "Welcome back" or just the menu is best.
+
+        userController.start(ctx);
+
     } catch (e) {
-        console.error(e);
+        console.error("Language Change Error:", e);
+        ctx.reply("⚠️ Error changing language. Please try again or /start");
     }
 };