from dataclasses import dataclass, field
from typing import Callable


@dataclass(frozen=True)
class BenchmarkSpec:
    name: str
    tier: str
    domain: str
    task_type: str
    metric: str
    priority: int
    status: str = "planned"
    notes: str = ""


@dataclass(frozen=True)
class ViewSpec:
    name: str
    family: str
    graph_type: str
    priority: int
    status: str = "planned"
    notes: str = ""


@dataclass(frozen=True)
class ComputeSpec:
    name: str
    family: str
    priority: int
    status: str = "planned"
    notes: str = ""


@dataclass(frozen=True)
class ModifierSpec:
    name: str
    family: str
    priority: int
    status: str = "planned"
    notes: str = ""


@dataclass(frozen=True)
class RunSpec:
    task: str
    view: str
    compute: str
    modifier: str = "none"
    default_args: dict[str, object] = field(default_factory=dict)
    command_builder: Callable[[dict[str, object]], list[str]] | None = None


def by_name(items):
    return {item.name: item for item in items}