from datetime import datetime
from typing import Any

from pydantic import BaseModel, ConfigDict, Field


class NotificationRequest(BaseModel):
    user_id: int
    event_type: str
    payload: dict


class NotificationRead(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: int
    user_id: int
    event_type: str
    payload: str
    created_at: datetime


class PushTaskPayload(BaseModel):
    user_id: int
    title: str
    body: str
    data: dict[str, Any]


class PushTokenUpsertRequest(BaseModel):
    platform: str = Field(min_length=2, max_length=16)
    token: str = Field(min_length=8, max_length=512)
    device_id: str | None = Field(default=None, max_length=128)
    app_version: str | None = Field(default=None, max_length=64)


class PushTokenDeleteRequest(BaseModel):
    platform: str = Field(min_length=2, max_length=16)
    token: str = Field(min_length=8, max_length=512)