from dataclasses import dataclass


@dataclass(frozen=True)
class AlertEvaluation:
    should_open_incident: bool
    should_resolve_incident: bool
    message: str


def evaluate_status_rule(current_status: str, failure_count: int, threshold: int) -> AlertEvaluation:
    if current_status == "up":
        return AlertEvaluation(False, True, "Monitor recovered")
    if failure_count >= threshold:
        return AlertEvaluation(True, False, f"Monitor failed {failure_count} times")
    return AlertEvaluation(False, False, "Failure threshold not reached")