# Author: Simon-Pierre Boucher
# Contact: contact@spboucher.ai
"""Petits utilitaires partagés."""

from __future__ import annotations

import time


class RateLimiter:
    """Impose un délai minimal entre deux requêtes (politesse serveur)."""

    def __init__(self, delay: float):
        self.delay = max(0.0, delay)
        self._last = 0.0

    def wait(self) -> None:
        elapsed = time.time() - self._last
        if elapsed < self.delay:
            time.sleep(self.delay - elapsed)
        self._last = time.time()