fix: do not delete exiting index when the given suffix already exist

lib/esse/index/indices.rb

@@ -50,9 +50,14 @@ def create_index(suffix: nil, body: nil, **options)
       # @see https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-open-close.html
       def reset_index(suffix: index_suffix, optimize: true, import: true, reindex: false, **options)
         cluster.throw_error_when_readonly!
-        existing = []
-        suffix ||= Esse.timestamp
-        suffix = Esse.timestamp while index_exist?(suffix: suffix).tap { |exist| existing << suffix if exist }
+
+        if suffix && index_exist?(suffix: suffix)
+          existing = [suffix]
+          suffix = Esse.timestamp while index_exist?(suffix: suffix).tap { |exist| existing << suffix if exist }
+          Esse.logger.warn { "Index with suffix #{existing.join(', ')} already exists. Using #{suffix} instead. Consider using a different suffix" }
+        else
+          suffix = Esse.timestamp while index_exist?(suffix: suffix)
+        end
 
         if optimize
           definition = [settings_hash, mappings_hash].reduce(&:merge)
@@ -77,7 +82,6 @@ def reset_index(suffix: index_suffix, optimize: true, import: true, reindex: fal
           update_settings(suffix: suffix)
         end
         update_aliases(suffix: suffix)
-        existing.each { |s| delete_index!(**options, suffix: s) }
         true
       end