import json
from datetime import datetime

class SignalAnalyzer:
    """Handles signal analysis and report generation"""
    
    def __init__(self):
        self.known_signals = {
            "wifi": "IEEE 802.11 signals with characteristic packet bursts",
            "fm_broadcast": "FM radio broadcasts with stereo and RDS subcarriers",
            "lmr": "Land Mobile Radio narrow band signals",
            "timing_reference": "Precise equally spaced frequency components"
        }
        
    def generate_report(self, analyses, file_info, output_path):
        """Generate and save analysis report"""
        report = {
            "file": file_info,
            "analysis_time": datetime.now().isoformat(),
            "segments": analyses
        }
        
        with open(output_path, 'w') as f:
            json.dump(report, f, indent=2)
            
        return report