from pydantic import BaseModel
from datetime import datetime
from typing import Optional
from .user import User
from .destination import Destination


class TripBase(BaseModel):
    title: str
    description: Optional[str] = None
    destination_id: int
    start_date: datetime
    end_date: datetime
    budget: Optional[float] = None
    status: Optional[str] = "planned"


class TripCreate(TripBase):
    pass


class TripUpdate(BaseModel):
    title: Optional[str] = None
    description: Optional[str] = None
    destination_id: Optional[int] = None
    start_date: Optional[datetime] = None
    end_date: Optional[datetime] = None
    budget: Optional[float] = None
    status: Optional[str] = None


class Trip(TripBase):
    id: int
    user_id: int
    created_at: datetime
    updated_at: Optional[datetime] = None
    user: Optional[User] = None
    destination: Optional[Destination] = None

    class Config:
        from_attributes = True