# Copyright (c) 2024-2026 Tencent Zhuque Lab. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Requirement: Any integration or derivative work must explicitly attribute
# Tencent Zhuque Lab (https://github.com/Tencent/AI-Infra-Guard) in its
# documentation or user interface, as detailed in the NOTICE file.

from deepteam.attacks import BaseAttack
import re

class PigLatin(BaseAttack):
    def __init__(self, weight: int = 1):
        self.weight = weight

    def enhance(self, attack: str) -> str:
        words = attack.split()
        translated_words = []
        
        for word in words:
            if not word:
                translated_words.append('')
                continue
            
            # Check if the word starts with a vowel
            if re.match(r'^[aeiouAEIOU]', word):
                translated_words.append(word + 'way')
                continue
            
            # Handle consonant clusters at the beginning
            match = re.match(r'^([^aeiouAEIOU]+)(.*)', word, re.IGNORECASE)
            if match:
                translated_words.append(match.group(2) + match.group(1) + 'ay')
            else:
                translated_words.append(word)
        
        return ' '.join(translated_words)