"""Benchmarks for CleverAgents CLI entrypoints."""

from __future__ import annotations

import contextlib
import io
import subprocess
import sys
from collections.abc import Sequence
from pathlib import Path

try:
    from cleveragents.cli import main
except ModuleNotFoundError:
    sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "src"))
    from cleveragents.cli import main


class TimeSuite:
    """Measure CLI startup behavior via in-process invocation."""

    @staticmethod
    def _run(argv: Sequence[str]) -> None:
        buffer = io.StringIO()
        with contextlib.redirect_stdout(buffer):
            main(list(argv))

    def time_help_invocation(self) -> None:
        """Benchmark the `agents --help` path (in-process)."""
        self._run(["--help"])

    def time_version_invocation(self) -> None:
        """Benchmark the `agents --version` path (in-process)."""
        self._run(["--version"])


class StartupSuite:
    """Measure CLI startup via installed entrypoint."""

    @staticmethod
    def _run(args: Sequence[str]) -> None:
        subprocess.run(args, check=True, capture_output=True, text=True)

    def time_help_entrypoint(self) -> None:
        """Benchmark `agents --help` using entrypoint."""
        self._run(["agents", "--help"])

    def time_version_entrypoint(self) -> None:
        """Benchmark `agents --version` using entrypoint."""
        self._run(["agents", "--version"])
