from pydantic import BaseModel, ConfigDict, Field
from datetime import datetime


class TaskAssignmentCreate(BaseModel):
    model_config = ConfigDict(extra="forbid")

    user_ids: list[int] = Field(min_length=1, max_length=20)


class TaskAssignmentResponse(BaseModel):
    id: int
    task_id: int
    user_id: int
    assigned_by: int
    user_name: str | None = None
    created_at: datetime

    model_config = ConfigDict(from_attributes=True)