"""Regression tests for numbered fallbacks when the interactive curses menu
cannot initialize (e.g. non-TTY, curses unavailable, terminal error)."""

import subprocess
from types import SimpleNamespace

from hermes_cli.config import load_config, save_config


def _raise_menu(*args, **kwargs):
    # Mimic curses_radiolist hitting an unrecoverable terminal error so the
    # caller's except clause routes to the numbered-input fallback.
    raise subprocess.CalledProcessError(2, ["tput", "clear"])


def test_prompt_model_selection_falls_back_on_menu_runtime_error(monkeypatch):
    from hermes_cli.auth import _prompt_model_selection

    monkeypatch.setattr("hermes_cli.curses_ui.curses_radiolist", _raise_menu)
    responses = iter(["2"])
    monkeypatch.setattr("builtins.input", lambda _prompt="": next(responses))

    selected = _prompt_model_selection(["model-a", "model-b"])

    assert selected == "model-b"


def test_prompt_model_selection_requires_expensive_confirmation(monkeypatch, capsys):
    from hermes_cli.auth import _prompt_model_selection

    monkeypatch.setattr("hermes_cli.curses_ui.curses_radiolist", _raise_menu)
    monkeypatch.setattr(
        "hermes_cli.model_cost_guard.expensive_model_warning",
        lambda *_args, **_kwargs: SimpleNamespace(message="EXPENSIVE MODEL WARNING"),
    )
    responses = iter(["1", "n"])
    monkeypatch.setattr("builtins.input", lambda _prompt="": next(responses))

    selected = _prompt_model_selection(
        ["openai/gpt-5.5-pro"],
        confirm_provider="nous",
    )

    out = capsys.readouterr().out
    assert selected is None
    assert "EXPENSIVE MODEL WARNING" in out


def test_prompt_model_selection_allows_confirmed_expensive_model(monkeypatch):
    from hermes_cli.auth import _prompt_model_selection

    monkeypatch.setattr("hermes_cli.curses_ui.curses_radiolist", _raise_menu)
    monkeypatch.setattr(
        "hermes_cli.model_cost_guard.expensive_model_warning",
        lambda *_args, **_kwargs: SimpleNamespace(message="EXPENSIVE MODEL WARNING"),
    )
    responses = iter(["1", "y"])
    monkeypatch.setattr("builtins.input", lambda _prompt="": next(responses))

    selected = _prompt_model_selection(
        ["openai/gpt-5.5-pro"],
        confirm_provider="nous",
    )

    assert selected == "openai/gpt-5.5-pro"


def test_prompt_reasoning_effort_falls_back_on_menu_runtime_error(monkeypatch):
    from hermes_cli.main import _prompt_reasoning_effort_selection

    monkeypatch.setattr("hermes_cli.curses_ui.curses_radiolist", _raise_menu)
    responses = iter(["3"])
    monkeypatch.setattr("builtins.input", lambda _prompt="": next(responses))

    selected = _prompt_reasoning_effort_selection(["low", "medium", "high"], current_effort="")

    assert selected == "high"


def test_remove_custom_provider_falls_back_on_menu_runtime_error(tmp_path, monkeypatch):
    from hermes_cli.main import _remove_custom_provider

    monkeypatch.setenv("HERMES_HOME", str(tmp_path))
    monkeypatch.setattr("hermes_cli.curses_ui.curses_radiolist", _raise_menu)

    cfg = load_config()
    cfg["custom_providers"] = [
        {"name": "Local A", "base_url": "http://localhost:8001/v1"},
        {"name": "Local B", "base_url": "http://localhost:8002/v1"},
    ]
    save_config(cfg)

    responses = iter(["1"])
    monkeypatch.setattr("builtins.input", lambda _prompt="": next(responses))

    _remove_custom_provider(cfg)

    reloaded = load_config()
    assert reloaded["custom_providers"] == [
        {"name": "Local B", "base_url": "http://localhost:8002/v1"},
    ]


def test_named_custom_provider_model_picker_falls_back_on_menu_runtime_error(tmp_path, monkeypatch):
    from hermes_cli.main import _model_flow_named_custom

    monkeypatch.setenv("HERMES_HOME", str(tmp_path))
    monkeypatch.setattr("hermes_cli.curses_ui.curses_radiolist", _raise_menu)
    monkeypatch.setattr("hermes_cli.models.fetch_api_models", lambda *args, **kwargs: ["model-a", "model-b"])
    monkeypatch.setattr("hermes_cli.auth.deactivate_provider", lambda: None)

    cfg = load_config()
    save_config(cfg)

    responses = iter(["2"])
    monkeypatch.setattr("builtins.input", lambda _prompt="": next(responses))

    _model_flow_named_custom(
        cfg,
        {
            "name": "Local",
            "base_url": "http://localhost:8000/v1",
            "api_key": "",
            "model": "",
        },
    )

    reloaded = load_config()
    assert reloaded["model"]["provider"] == "custom"
    assert reloaded["model"]["base_url"] == "http://localhost:8000/v1"
    assert reloaded["model"]["default"] == "model-b"