from dataclasses import dataclass
from typing import List, Optional, Tuple
from datetime import datetime

@dataclass
class FilterData:
    channel_id: int
    filter_type: str
    freq: float
    q: float
    gain: float
    slope: float
    enable: bool = True
    position: int = 0
    config_id: Optional[int] = None
    id: Optional[int] = None

@dataclass
class ParamData:
    config_id: int 
    channel_id: int
    delay_data1: float
    ENC_volume_data1: float
    ENT_mx_right_data: float
    ENT_mix_left_data: float

@dataclass
class ConfigData:
    id: int
    name: str
    channel_id: int
    created_at: str
    project_id: Optional[int] = None

@dataclass
class ProjectData:
    id: Optional[int]
    name: str
    description: str
    created_at: str = None
    configs: List[ConfigData] = None