#!/usr/bin/env python3
"""
Evasion Complexity Spectrum

Source: Chapter_18_Evasion_Obfuscation_and_Adversarial_Inputs
Category: evasion
"""

import argparse
import sys

class EvasionComplexity:
    """Framework for categorizing evasion complexity"""

    LEVELS = {
        1: {
            'name': 'Basic',
            'techniques': ['Leetspeak', 'Simple synonyms', 'Character swaps'],
            'detection_difficulty': 'Easy',
            'examples': ['h4ck', 'unauthorized access']
        },
        2: {
            'name': 'Intermediate',
            'techniques': ['Homoglyphs', 'Encoding', 'Context framing'],
            'detection_difficulty': 'Medium',
            'examples': ['һack (Cyrillic)', 'base64 encoding', 'hypotheticals']
        },
        3: {
            'name': 'Advanced',
            'techniques': ['Token manipulation', 'Multi-step chains', 'Adaptive'],
            'detection_difficulty': 'Hard',
            'examples': ['Token boundary exploits', 'Progressive revelation']
        },
        4: {
            'name': 'Expert',
            'techniques': ['Adversarial ML', 'Zero-day techniques', 'Custom tools'],
            'detection_difficulty': 'Very Hard',
            'examples': ['Gradient-based attacks', 'Model-specific exploits']
        }
    }


def main():
    """Command-line interface."""
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--verbose", "-v", action="store_true", help="Verbose output")
    args = parser.parse_args()
    
    # TODO: Add main execution logic
    pass

if __name__ == "__main__":
    main()