# tool/core/cmd/stat.py
import struct
from core.utils import console, console_err
from core.protocol import COMMANDS, ERRORS

class stat:
    def __init__(self, bus):
        self.bus = bus

    def get(self, path: str):
        path_bytes = path.encode('utf-8')
        payload = struct.pack('B', len(path_bytes)) + path_bytes
        self.bus.send_request(COMMANDS['stat'], payload)
        
        # 1 Byte Type + 4 Byte Size = 5
        data = self.bus.receive_response(length=5)  
        
        if not data or data.get('type') == 'error':
            return None

        payload = data['data']
        result = {
            'is_directory': payload[0] == 1,
            'size': struct.unpack('<I', payload[1:5])[0]
        }
        return result

    def print(self, result, path: str):
        if not result:
            return

        t_name = "📁 Verzeichnis" if result['is_directory'] else "📄 Datei"
        console.print(f"[info_title]Stat[/info_title] für [info]{path}[/info]:")
        console.print(f"  • Typ:    [info]{t_name}[/info]")
        if not result['is_directory']:
            console.print(f"  • Grösse: [info]{result['size']/1024:.2f} KB[/info] ({result['size']} Bytes)")