"""
startup_progress.py — Shared state for startup benchmark progress.

Used by web.py (writer) and startup.py (reader) to show live progress
on the loading page while models are being tested.
"""

import threading

_lock = threading.Lock()

# Current phase: "init", "benchmark", "ready"
phase: str = "init"
total: int = 0

# model -> {"status": "testing"|"ok"|"fail", "detail": str}
_models: dict[str, dict] = {}


def update(model: str, status: str, detail: str = ""):
    """Record a model's benchmark status. Thread-safe."""
    with _lock:
        _models[model] = {"status": status, "detail": detail}


def snapshot() -> dict:
    """Return current progress snapshot for the loading page."""
    with _lock:
        return {
            "phase": phase,
            "total": total,
            "models": dict(_models),
        }