"""Scheduling policy implementations."""

from src.core.policy import SchedulerPolicy
from src.simulation.policies.age import AgeBasedPolicy
from src.simulation.policies.fifo import FIFOPolicy
from src.simulation.policies.readiness import ReadinessPolicy

# Registry of supported policies (RL removed)
POLICY_REGISTRY = {
    "fifo": FIFOPolicy,
    "age": AgeBasedPolicy,
    "readiness": ReadinessPolicy,
}


def get_policy(name: str, **kwargs):
    """Get a policy instance by name.

    Args:
        name: Policy name (fifo, age, readiness)
        **kwargs: Additional arguments passed to policy constructor
    """
    name_lower = name.lower()
    if name_lower not in POLICY_REGISTRY:
        raise ValueError(f"Unknown policy: {name}")
    return POLICY_REGISTRY[name_lower](**kwargs)


__all__ = [
    "SchedulerPolicy",
    "FIFOPolicy",
    "AgeBasedPolicy",
    "ReadinessPolicy",
    "get_policy",
]