Fix gotgbot InputFileByID type in replace plugin

plugins/replace.go

@@ -17,10 +17,10 @@ var (
 	tgLinkRegex = regexp.MustCompile(`t\.me/(?:c/)?([^/]+)/(\d+)`)
 )
 
-func parseTelegramLink(link string) (interface{}, int64, error) {
+func parseTelegramLink(link string) (int64, int64, error) {
 	matches := tgLinkRegex.FindStringSubmatch(link)
 	if len(matches) != 3 {
-		return nil, 0, fmt.Errorf("invalid telegram link format")
+		return 0, 0, fmt.Errorf("invalid telegram link format")
 	}
 
 	chatStr := matches[1]
@@ -28,20 +28,20 @@ func parseTelegramLink(link string) (interface{}, int64, error) {
 
 	msgID, err := strconv.ParseInt(msgIDStr, 10, 64)
 	if err != nil {
-		return nil, 0, fmt.Errorf("invalid message ID")
+		return 0, 0, fmt.Errorf("invalid message ID")
 	}
 
-	// If it's all digits, it might be a private chat ID like -1001234567
-	if chatID, err := strconv.ParseInt(chatStr, 10, 64); err == nil {
-		// Telegram API requires -100 prefix for channel IDs in t.me/c/...
-		if !strings.HasPrefix(chatStr, "-100") {
-			chatID, _ = strconv.ParseInt("-100"+chatStr, 10, 64)
-		}
-		return chatID, msgID, nil
+	// Channel ID in t.me/c/123456/789 format
+	chatID, err := strconv.ParseInt(chatStr, 10, 64)
+	if err != nil {
+		return 0, 0, fmt.Errorf("invalid channel ID in link")
+	}
+
+	if chatID > 0 {
+		chatID, _ = strconv.ParseInt("-100"+chatStr, 10, 64)
 	}
 
-	// It's a username (e.g. @username)
-	return "@" + chatStr, msgID, nil
+	return chatID, msgID, nil
 }
 
 func ReplaceCommand(bot *gotgbot.Bot, ctx *ext.Context) error {
@@ -75,29 +75,29 @@ func ReplaceCommand(bot *gotgbot.Bot, ctx *ext.Context) error {
 	if replyMsg.Document != nil {
 		fileID = replyMsg.Document.FileId
 		inputMedia = gotgbot.InputMediaDocument{
-			Media: fileID,
-			Caption: replyMsg.Caption,
+			Media:           gotgbot.InputFileByID(fileID),
+			Caption:         replyMsg.Caption,
 			CaptionEntities: replyMsg.CaptionEntities,
 		}
 	} else if replyMsg.Video != nil {
 		fileID = replyMsg.Video.FileId
 		inputMedia = gotgbot.InputMediaVideo{
-			Media: fileID,
-			Caption: replyMsg.Caption,
+			Media:           gotgbot.InputFileByID(fileID),
+			Caption:         replyMsg.Caption,
 			CaptionEntities: replyMsg.CaptionEntities,
 		}
 	} else if replyMsg.Audio != nil {
 		fileID = replyMsg.Audio.FileId
 		inputMedia = gotgbot.InputMediaAudio{
-			Media: fileID,
-			Caption: replyMsg.Caption,
+			Media:           gotgbot.InputFileByID(fileID),
+			Caption:         replyMsg.Caption,
 			CaptionEntities: replyMsg.CaptionEntities,
 		}
 	} else if len(replyMsg.Photo) > 0 {
 		fileID = replyMsg.Photo[len(replyMsg.Photo)-1].FileId
 		inputMedia = gotgbot.InputMediaPhoto{
-			Media: fileID,
-			Caption: replyMsg.Caption,
+			Media:           gotgbot.InputFileByID(fileID),
+			Caption:         replyMsg.Caption,
 			CaptionEntities: replyMsg.CaptionEntities,
 		}
 	}
@@ -120,11 +120,11 @@ func ReplaceCommand(bot *gotgbot.Bot, ctx *ext.Context) error {
 var BatchReplaceState = make(map[int64]*BatchState)
 
 type BatchState struct {
-	ChatID        interface{}
-	StartMsgID    int64
-	Count         int
-	CurrentIndex  int
-	AdminID       int64
+	ChatID       int64
+	StartMsgID   int64
+	Count        int
+	CurrentIndex int
+	AdminID      int64
 }
 
 func BatchReplaceCommand(bot *gotgbot.Bot, ctx *ext.Context) error {
@@ -196,29 +196,29 @@ func BatchReplaceHandler(bot *gotgbot.Bot, ctx *ext.Context) error {
 	if msg.Document != nil {
 		fileID = msg.Document.FileId
 		inputMedia = gotgbot.InputMediaDocument{
-			Media: fileID,
-			Caption: msg.Caption,
+			Media:           gotgbot.InputFileByID(fileID),
+			Caption:         msg.Caption,
 			CaptionEntities: msg.CaptionEntities,
 		}
 	} else if msg.Video != nil {
 		fileID = msg.Video.FileId
 		inputMedia = gotgbot.InputMediaVideo{
-			Media: fileID,
-			Caption: msg.Caption,
+			Media:           gotgbot.InputFileByID(fileID),
+			Caption:         msg.Caption,
 			CaptionEntities: msg.CaptionEntities,
 		}
 	} else if msg.Audio != nil {
 		fileID = msg.Audio.FileId
 		inputMedia = gotgbot.InputMediaAudio{
-			Media: fileID,
-			Caption: msg.Caption,
+			Media:           gotgbot.InputFileByID(fileID),
+			Caption:         msg.Caption,
 			CaptionEntities: msg.CaptionEntities,
 		}
 	} else if len(msg.Photo) > 0 {
 		fileID = msg.Photo[len(msg.Photo)-1].FileId
 		inputMedia = gotgbot.InputMediaPhoto{
-			Media: fileID,
-			Caption: msg.Caption,
+			Media:           gotgbot.InputFileByID(fileID),
+			Caption:         msg.Caption,
 			CaptionEntities: msg.CaptionEntities,
 		}
 	}