src/bots/handlers/languageHandlers.ts

import { BotContext } from '../types/botTypes';
import { Markup } from 'telegraf';
import { getLanguageSelectionKeyboard, getMainMenuKeyboard, getLoggedInMenuKeyboard } from '../utils/keyboardUtils';
import { authService } from '../services/auth';
import { messageManager } from '../utils/messageManager';
import { supabase } from '../../db/supabase';

export const setupLanguageHandlers = (bot: any) => {
  
    
    // Language selection handlers
    bot.action('change_language', async (ctx) => {
      const result = await handleLanguageSelection(ctx);
      await ctx.editMessageText(result.message, result.options);
    });
  
    bot.action('set_language_en', async (ctx) => {
      const result = await handleLanguageChange(ctx, 'en');
      await ctx.editMessageText(result.message, result.options);
    });
  
    bot.action('set_language_ar', async (ctx) => {
      const result = await handleLanguageChange(ctx, 'ar');
      await ctx.editMessageText(result.message, result.options);
    });
  };

export const handleLanguageSelection = async (ctx: BotContext) => {
  const telegramId = ctx.from?.id;
  const isLoggedIn =  authService.isUserLoggedIn(telegramId,ctx) ;

  return {
    message: "🌐 Choose your preferred language:\nاختر لغتك المفضلة:",
    options: getLanguageSelectionKeyboard(isLoggedIn)
  };
};

export const handleLanguageChange = async (ctx: BotContext, language: 'en' | 'ar') => {
  const telegramId = ctx.from?.id;
  const isLoggedIn = telegramId ? authService.isUserLoggedIn(telegramId,ctx) : false;

  try {
    // Update message manager language for current session
    messageManager.setLanguage(language);

    // If user is logged in, update their language preference in database
    if (isLoggedIn && telegramId) {
      const { error } = await supabase
        .from('users_bot_telegram')
        .update({ language })
        .eq('telegram_id', telegramId);

      if (error) throw error;
    }

    const successMessage = language === 'en' 
      ? "✅ Language changed to English"
      : "✅ تم تغيير اللغة إلى العربية";

    return {
      message: successMessage,
      options: isLoggedIn ? getLoggedInMenuKeyboard() : getMainMenuKeyboard()
    };
  } catch (error: any) {
    const errorMessage = language === 'en'
      ? "❌ Failed to change language"
      : "❌ فشل تغيير اللغة";
    
    return {
      message: errorMessage,
      options: isLoggedIn ? getLoggedInMenuKeyboard() : getMainMenuKeyboard()
    };
  }
};