from pydantic import BaseModel, ConfigDict
from datetime import datetime
from typing import Optional


class CalendarCreate(BaseModel):
    name: str
    color: str = "#3b82f6"


class CalendarUpdate(BaseModel):
    name: Optional[str] = None
    color: Optional[str] = None
    is_visible: Optional[bool] = None


class CalendarResponse(BaseModel):
    id: int
    name: str
    color: str
    is_default: bool
    is_system: bool
    is_visible: bool
    created_at: datetime
    updated_at: datetime

    model_config = ConfigDict(from_attributes=True)