import struct
from core.utils import console, console_err
from core.protocol import COMMANDS

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

    def get(self, key: str, value: str):
        key_bytes = key.encode('utf-8')
        val_bytes = b''

        # Typen-Konvertierung basierend auf dem Key
        try:
            if key == "audio/vol":
                val_bytes = struct.pack('<B', int(value))
            elif key == "play/norepeat":
                val_int = 1 if str(value).lower() in ['1', 'true', 'on', 'yes'] else 0
                val_bytes = struct.pack('<B', val_int)
            elif key == "settings/storage_interval":
                val_bytes = struct.pack('<H', int(value))
            else:
                console_err.print(f"[error]Unbekannter Key: {key}[/error]")
                return False
        except ValueError:
            console_err.print(f"[error]Ungültiger Wert für {key}: {value}[/error]")
            return False
        
        # Payload: [Key Len] [Key] [Val Len] [Val Bytes]
        payload = struct.pack('B', len(key_bytes)) + key_bytes + struct.pack('B', len(val_bytes)) + val_bytes
        self.bus.send_request(COMMANDS['set_setting'], payload)
        
        data = self.bus.receive_ack()
        return data is not None and data.get('type') == 'ack'

    def print(self, result, key: str, value: str):
        if result:
            console.print(f"✓ Setting [info]{key}[/info] wurde auf [info]{value}[/info] gesetzt.")