"""Provider registry (v3).

get_provider(id) returns a Provider instance for the daemon to poll. Anthropic
is real; OpenAI and z.ai return a StubProvider until M2/M3 land, so selecting
them never crashes the loop.
"""

from __future__ import annotations

from .base import Provider, ProviderStatus, StubProvider
from .anthropic import AnthropicProvider
from .openai_codex import OpenAICodexProvider
from .zai import ZaiProvider


def get_provider(pid: str) -> Provider:
    if pid == "anthropic":
        return AnthropicProvider()
    if pid == "openai":
        return OpenAICodexProvider()
    if pid == "zai":
        return ZaiProvider()
    # Unknown id (a config from a newer version, say) — a safe placeholder.
    return StubProvider(pid, label=pid, accent="d97757")


__all__ = [
    "Provider", "ProviderStatus", "StubProvider",
    "AnthropicProvider", "OpenAICodexProvider", "ZaiProvider", "get_provider",
]