"""ASV benchmarks for Config CLI command throughput.

Measures the performance of:
- Config list (all settings)
- Config list with regex filter
- Config get (single key resolution)
- Config set (write + read roundtrip)
"""

from __future__ import annotations

import importlib
import shutil
import sys
import tempfile
from pathlib import Path
from unittest.mock import patch

# Ensure the local *source* tree is importable even when ASV has an
# older build of the package installed.
_SRC = str(Path(__file__).resolve().parents[1] / "src")
if _SRC not in sys.path:
    sys.path.insert(0, _SRC)

import cleveragents  # noqa: E402

importlib.reload(cleveragents)

from typer.testing import CliRunner  # noqa: E402

from cleveragents.cli.commands import config as config_mod  # noqa: E402
from cleveragents.cli.commands.config import app as config_app  # noqa: E402

_runner = CliRunner()


class ConfigCLIListSuite:
    """Benchmark config list throughput."""

    def setup(self) -> None:
        self._tmpdir = Path(tempfile.mkdtemp())
        self._tmppath = self._tmpdir / "config.toml"
        self._dir_patch = patch.object(config_mod, "_CONFIG_DIR", self._tmpdir)
        self._path_patch = patch.object(config_mod, "_CONFIG_PATH", self._tmppath)
        self._dir_patch.start()
        self._path_patch.start()

    def teardown(self) -> None:
        self._dir_patch.stop()
        self._path_patch.stop()
        shutil.rmtree(str(self._tmpdir), ignore_errors=True)

    def time_list_all(self) -> None:
        """Benchmark listing all config settings."""
        _runner.invoke(config_app, ["list"])

    def time_list_with_filter(self) -> None:
        """Benchmark listing with regex filter."""
        _runner.invoke(config_app, ["list", "log.*"])

    def time_list_json(self) -> None:
        """Benchmark listing in JSON format."""
        _runner.invoke(config_app, ["list", "--format", "json"])


class ConfigCLIGetSuite:
    """Benchmark config get throughput."""

    def setup(self) -> None:
        self._tmpdir = Path(tempfile.mkdtemp())
        self._tmppath = self._tmpdir / "config.toml"
        self._dir_patch = patch.object(config_mod, "_CONFIG_DIR", self._tmpdir)
        self._path_patch = patch.object(config_mod, "_CONFIG_PATH", self._tmppath)
        self._dir_patch.start()
        self._path_patch.start()

    def teardown(self) -> None:
        self._dir_patch.stop()
        self._path_patch.stop()
        shutil.rmtree(str(self._tmpdir), ignore_errors=True)

    def time_get_key(self) -> None:
        """Benchmark getting a single config key."""
        _runner.invoke(config_app, ["get", "core.log.level"])

    def time_get_key_json(self) -> None:
        """Benchmark getting a key in JSON format."""
        _runner.invoke(config_app, ["get", "core.log.level", "--format", "json"])


class ConfigCLISetSuite:
    """Benchmark config set throughput."""

    def setup(self) -> None:
        self._tmpdir = Path(tempfile.mkdtemp())
        self._tmppath = self._tmpdir / "config.toml"
        self._dir_patch = patch.object(config_mod, "_CONFIG_DIR", self._tmpdir)
        self._path_patch = patch.object(config_mod, "_CONFIG_PATH", self._tmppath)
        self._dir_patch.start()
        self._path_patch.start()

    def teardown(self) -> None:
        self._dir_patch.stop()
        self._path_patch.stop()
        shutil.rmtree(str(self._tmpdir), ignore_errors=True)

    def time_set_key(self) -> None:
        """Benchmark setting a config value."""
        _runner.invoke(config_app, ["set", "core.log.level", "DEBUG"])

    def time_set_get_roundtrip(self) -> None:
        """Benchmark set followed by get."""
        _runner.invoke(config_app, ["set", "core.log.level", "DEBUG"])
        _runner.invoke(config_app, ["get", "core.log.level"])