"""Idempotent alert events emitted by scheduled and other backend tasks."""
from __future__ import annotations

from typing import Literal
from uuid import UUID

from app.domain.schemas.shared import NonEmptyStr, PositiveInt, StrictModel
from app.domain.schemas.workbench_runtime import WorkbenchAlertSource, WorkbenchDateTime


class TaskAlertCommand(StrictModel):
    event_id: UUID
    alert_id: NonEmptyStr
    event_type: Literal["raised", "acknowledged", "resolved"]
    occurred_at: WorkbenchDateTime
    condition_id: NonEmptyStr | None
    source: WorkbenchAlertSource
    title: NonEmptyStr
    description: NonEmptyStr
    severity: Literal["warning", "critical"]


class TaskAlertEvent(TaskAlertCommand):
    producer_id: NonEmptyStr


class TaskAlertState(StrictModel):
    alert_id: NonEmptyStr
    revision: PositiveInt
    producer_id: NonEmptyStr
    condition_id: NonEmptyStr | None
    source: WorkbenchAlertSource
    title: NonEmptyStr
    description: NonEmptyStr
    occurred_at: WorkbenchDateTime
    severity: Literal["warning", "critical"]
    status: Literal["active", "acknowledged", "resolved"]
    updated_at: WorkbenchDateTime