review page, fix rename bug

src-tauri/src/lib.rs

@@ -205,6 +205,20 @@ fn rename_videos(files: Vec<String>, prefix: String, base_name: String) -> Resul
         // Rename files in this directory
         let mut current_index = 1;
         for file_path in file_list {
+            // Check if the file already matches the desired format
+            if let Some(file_name) = file_path.file_name().and_then(|n| n.to_str()) {
+                let name_without_ext = Path::new(file_name).file_stem().and_then(|s| s.to_str()).unwrap_or("");
+                let prefix_base = format!("{}{}", prefix, base_name);
+                
+                if name_without_ext.starts_with(&prefix_base) {
+                    let suffix = &name_without_ext[prefix_base.len()..];
+                    // If it ends with 2 digits, it's already named correctly
+                    if suffix.len() == 2 && suffix.chars().all(|c| c.is_digit(10)) {
+                         continue; // Skip this file
+                    }
+                }
+            }
+
             // Find next available index
             while occupied_indices.contains(&current_index) {
                 current_index += 1;