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


class ProjectTaskCreate(BaseModel):
    title: str
    description: Optional[str] = None
    status: str = "pending"
    priority: str = "medium"
    due_date: Optional[date] = None
    person_id: Optional[int] = None
    sort_order: int = 0


class ProjectTaskUpdate(BaseModel):
    title: Optional[str] = None
    description: Optional[str] = None
    status: Optional[str] = None
    priority: Optional[str] = None
    due_date: Optional[date] = None
    person_id: Optional[int] = None
    sort_order: Optional[int] = None


class ProjectTaskResponse(BaseModel):
    id: int
    project_id: int
    title: str
    description: Optional[str]
    status: str
    priority: str
    due_date: Optional[date]
    person_id: Optional[int]
    sort_order: int
    created_at: datetime
    updated_at: datetime

    model_config = ConfigDict(from_attributes=True)