from dataclasses import dataclass


@dataclass(frozen=True)
class Model:
    name: str
    is_default: bool = False
    is_preview: bool = False


# Sourced from @google/gemini-cli-core dist/src/config/models.js (VALID_GEMINI_MODELS)
_MODELS: tuple[Model, ...] = (
    Model("gemini-2.5-pro", is_default=True),
    Model("gemini-2.5-flash"),
    Model("gemini-2.5-flash-lite"),
    Model("gemini-3-pro-preview", is_preview=True),
    Model("gemini-3-flash-preview", is_preview=True),
    Model("gemini-3.1-pro-preview", is_preview=True),
    Model("gemini-3.1-pro-preview-customtools", is_preview=True),
)


def list_models() -> list[Model]:
    return list(_MODELS)