"""Pydantic schemas for activity endpoints."""
from __future__ import annotations

from typing import Literal

from pydantic import BaseModel, Field


class ActivityCommentBody(BaseModel):
    text: str = Field(..., min_length=1, max_length=2000)


class ActivityCommentPayload(BaseModel):
    type: Literal["comment"] = "comment"
    payload: ActivityCommentBody

    def extract_text(self) -> str:
        return self.payload.text.strip()