"""Layer 6 — Machine Binding & Personality Profiles."""

from typing import Any

from pydantic import BaseModel, Field


class MachineProfile(BaseModel):
    """Machine personality profile: limits, historical deviation models."""

    machine_id: str = Field(..., description="Bound machine id")
    limits_ref: str | None = Field(default=None)
    deviation_model_ref: str | None = Field(default=None)
    metadata: dict[str, Any] = Field(default_factory=dict)


class MachineBinding:
    """Each design binds to a specific machine with known limits. No abstraction without binding."""

    def __init__(self) -> None:
        self._profiles: dict[str, MachineProfile] = {}

    def register(self, profile: MachineProfile) -> None:
        """Register a machine profile."""
        self._profiles[profile.machine_id] = profile

    def get(self, machine_id: str) -> MachineProfile | None:
        """Return profile for machine or None."""
        return self._profiles.get(machine_id)

    def resolve(self, machine_id: str) -> MachineProfile | None:
        """Resolve machine binding; reject if unknown (no abstraction)."""
        return self.get(machine_id)