"""API models for the live station monitor (#57)."""
from datetime import datetime
from typing import Optional

from pydantic import BaseModel


class MonitorSubtask(BaseModel):
    """Mean of the recent measurements of one quote, against its tolerance."""

    subtask_id: int
    description: str
    unit: str
    count: int
    mean: float
    ltl: Optional[float] = None
    utl: Optional[float] = None
    # True when ltl <= mean <= utl (a missing limit does not constrain).
    in_tolerance: bool


class MonitorEvent(BaseModel):
    event_type: str
    created_at: datetime
    note: Optional[str] = None


class MonitorRun(BaseModel):
    id: int
    station_code: str
    station_name: str
    recipe_code: str
    recipe_name: str
    version_number: int
    operator: str
    status: str
    started_at: datetime
    duration_seconds: int
    cycle_count: int
    seconds_to_next_measurement: Optional[int] = None
    overdue: bool
    last_event: Optional[MonitorEvent] = None
    # Counts over the last MONITOR_WINDOW measurements of the run.
    measured: int
    pass_count: int
    warning_count: int
    fail_count: int
    subtasks: list[MonitorSubtask]
    server_time: datetime