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#
# Licensed under the Apache License, Version 2.0 (the "License");
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#
#     http://www.apache.org/licenses/LICENSE-2.0
#
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# Tencent Zhuque Lab (https://github.com/Tencent/AI-Infra-Guard) in its
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import random

from deepteam.attacks import BaseAttack
from deepteam.attacks.single_turn.input_bypass.template import (
    InputBypassTemplate,
)
from deepteam.utils import judge_language

class InputBypass(BaseAttack):
    def __init__(self, weight: int = 2, max_retries: int = 3):
        self.weight = weight  # Higher weight since this targets validation vulnerabilities
        self.max_retries = max_retries

    def enhance(self, attack: str) -> str:
        """
        Enhance the given attack with validation bypass techniques.
        Uses max_retries to attempt different bypass methods if enhancement fails.
        """
        if judge_language(attack) == "chinese":
            enhancement_methods = [
                InputBypassTemplate.enhance_exception_handling_zh,
                InputBypassTemplate.enhance_compliance_adaptation_zh,
                InputBypassTemplate.enhance_security_override_zh,
                InputBypassTemplate.enhance_operational_necessity_zh,
                InputBypassTemplate.enhance_emergency_bypass_zh,
                InputBypassTemplate.enhance_universal_exemption_zh,
            ]
        else:
            enhancement_methods = [
                InputBypassTemplate.enhance_exception_handling,
                InputBypassTemplate.enhance_compliance_adaptation,
                InputBypassTemplate.enhance_security_override,
                InputBypassTemplate.enhance_operational_necessity,
                InputBypassTemplate.enhance_emergency_bypass,
                InputBypassTemplate.enhance_universal_exemption,
            ]

        for attempt in range(self.max_retries):
            try:
                # Randomly select an enhancement method
                method = random.choice(enhancement_methods)
                enhanced_attack = method(attack)

                # Basic validation - ensure the enhancement actually modified the attack
                if enhanced_attack and len(enhanced_attack.strip()) > len(
                    attack.strip()
                ):
                    return enhanced_attack

            except Exception:
                # If enhancement fails, try again with a different method
                continue

        # If all retries fail, return the original attack
        return attack

    def get_name(self) -> str:
        return "Input Bypass"