#!/usr/bin/env python3
"""
41.3.1 The `Privacy_Vault`

Source: Chapter_41_Industry_Best_Practices
Category: compliance
"""

import argparse
import sys

class PIIFilter:
    def __init__(self):
        self.patterns = {
            "EMAIL": re.compile(r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}'),
            "SSN": re.compile(r'\b\d{3}-\d{2}-\d{4}\b'),
            "CREDIT_CARD": re.compile(r'\b(?:\d{4}-){3}\d{4}\b|\b\d{16}\b'),
            "API_KEY": re.compile(r'sk-[a-zA-Z0-9]{48}') # OpenAI Key format
        }

    def redact(self, text: str) -> str:
        redacted_text = text
        for label, pattern in self.patterns.items():
            redacted_text = pattern.sub(f"<{label}_REDACTED>", redacted_text)
        return redacted_text

# Usage
leaky_output = "Sure, the admin email is admin@corp.com and key is sk-1234..."
print(PIIFilter().redact(leaky_output))

# Output: "Sure, the admin email is <EMAIL_REDACTED> and key is <API_KEY_REDACTED>..."


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()