from statistics import mean

def merge_ssid_summaries(summary_lists):
    merged = {}
    
    for summary in summary_lists:
        for entry in summary:
            ssid = entry['SSID']
            key = ssid  # You could also key on both SSID + BSSID set if you're feeling spicy

            if key not in merged:
                merged[key] = {
                    'SSID': ssid,
                    'Hidden': entry['Hidden'],
                    'Open': entry['Open'],
                    'BSSID_Count': entry['BSSID_Count'],
                    'BSSIDs': set(entry['BSSIDs'].split(";")),
                    'Avg_Signal': [entry['Avg_Signal']],
                    'Max_Signal': entry['Max_Signal'],
                    'Min_Signal': entry['Min_Signal'],
                    'Clients_Seen': entry['Clients_Seen'],
                    'PacketCount': entry['PacketCount']
                }
            else:
                merged[key]['Hidden'] = merged[key]['Hidden'] or entry['Hidden']
                merged[key]['Open'] = merged[key]['Open'] and entry['Open']
                merged[key]['BSSIDs'].update(entry['BSSIDs'].split(";"))
                merged[key]['Avg_Signal'].append(entry['Avg_Signal'])
                merged[key]['Max_Signal'] = max(merged[key]['Max_Signal'], entry['Max_Signal'])
                merged[key]['Min_Signal'] = min(merged[key]['Min_Signal'], entry['Min_Signal'])
                merged[key]['Clients_Seen'] += entry['Clients_Seen']
                merged[key]['PacketCount'] += entry['PacketCount']

    final_list = []
    for ssid, data in merged.items():
        final_list.append({
            'SSID': data['SSID'],
            'Hidden': data['Hidden'],
            'Open': data['Open'],
            'BSSID_Count': len(data['BSSIDs']),
            'BSSIDs': ";".join(sorted(data['BSSIDs'])),
            'Avg_Signal': round(mean(data['Avg_Signal']), 2),
            'Max_Signal': data['Max_Signal'],
            'Min_Signal': data['Min_Signal'],
            'Clients_Seen': data['Clients_Seen'],
            'PacketCount': data['PacketCount']
        })

    return final_list