Support more languages

@@ -63,17 +63,17 @@ bot.on('message', (msg) => {
       var result = { type: 'text', text: '' };
       var result = { type: 'text', text: '' };
 
 
       // Check if detection was successful
       // Check if detection was successful
-      console.log(detect_body.langCode);
+      console.log('Language detected: ' + detect_body.langCode);
 
 
-      // Translate using papago, only Korean and English are supported atm
-      if (detect_body.langCode == 'ko' || detect_body.langCode == 'en') {
-        source = detect_body.langCode == 'ko' ? 'ko' : 'en';
+      // Translate using papago
+      // Target defaults to English for Korean source, or Korean for all other langs
+      if (detect_body.langCode != 'unk') {
+        source = detect_body.langCode;
         target = source == 'ko' ? 'en' : 'ko';
         target = source == 'ko' ? 'en' : 'ko';
 
 
         // Papago translation options
         // Papago translation options
         var translate_options = {
         var translate_options = {
           url: translate_api_url,
           url: translate_api_url,
-          // 한국어(source : ko), 영어(target: en), 카톡에서 받는 메시지(text)
           form: {
           form: {
             'source': source, // Translate from source
             'source': source, // Translate from source
             'target': target, // to target
             'target': target, // to target
@@ -100,7 +100,7 @@ bot.on('message', (msg) => {
       }
       }
       // Language not detected
       // Language not detected
       else {
       else {
-        result.text = '언어를 감지할 수 없습니다. \n 번역 언어는 한글 또는 영어만 가능합니다.';
+        result.text = '언어를 감지할 수 없습니다.';
         bot.sendMessage(chatId, result.text);
         bot.sendMessage(chatId, result.text);
       }
       }
     }
     }