#!/usr/bin/env python3
"""
40.4.2 `log_auditor.py`

Source: Chapter_40_Compliance_and_Standards
Category: compliance
"""

import re

import argparse
import sys

class LogComplianceAuditor:
    def __init__(self, log_data: list):
        self.logs = log_data
        # Regex patterns for required fields in a structured log (JSON)
        self.requirements = {
            "Timestamp": r'"timestamp":',
            "Model_ID": r'"model_id":',
            "Input_Hash": r'"input_hash":', # Checking for hash, not raw data (privacy)
            "Safety_Score": r'"safety_score":',
            "Latency": r'"latency_ms":'
        }

    def audit(self):
        print(f"[*] Auditing {len(self.logs)} log entries for EU AI Act Art. 12 Compliance...")
        for i, log_entry in enumerate(self.logs):
            missing = []
            for field, pattern in self.requirements.items():
                if not re.search(pattern, log_entry):
                    missing.append(field)

            if missing:
                print(f"[FAIL] Line {i+1}: Missing fields {missing} -> NON-COMPLIANT")
            else:
                print(f"[PASS] Line {i+1}: Fully Compliant")

# Usage
logs = [
    '{"timestamp": "2024-01-01T12:00:00", "model_id": "gpt-4", "input_hash": "abc", "safety_score": 0.1, "latency_ms": 500}',
    '{"timestamp": "2024-01-01T12:01:00", "error": "timeout"}' # This will fail
]
auditor = LogComplianceAuditor(logs)
auditor.audit()


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()