"""Tests for hermes_cli.doctor."""

import os
import sys
import types
from argparse import Namespace
from types import SimpleNamespace

import pytest

import hermes_cli.doctor as doctor
import hermes_cli.gateway as gateway_cli
from hermes_cli import doctor as doctor_mod
from hermes_cli.doctor import _has_provider_env_config


class TestDoctorPlatformHints:
    def test_termux_package_hint(self, monkeypatch):
        monkeypatch.setenv("TERMUX_VERSION", "0.118.3")
        monkeypatch.setenv("PREFIX", "/data/data/com.termux/files/usr")
        assert doctor._is_termux() is True
        assert doctor._python_install_cmd() == "python -m pip install"
        assert doctor._system_package_install_cmd("ripgrep") == "pkg install ripgrep"

    def test_non_termux_package_hint_defaults_to_apt(self, monkeypatch):
        monkeypatch.delenv("TERMUX_VERSION", raising=False)
        monkeypatch.setenv("PREFIX", "/usr")
        monkeypatch.setattr(sys, "platform", "linux")
        assert doctor._is_termux() is False
        assert doctor._python_install_cmd() == "uv pip install"
        assert doctor._system_package_install_cmd("ripgrep") == "sudo apt install ripgrep"


class TestProviderEnvDetection:
    def test_detects_openai_api_key(self):
        content = "OPENAI_BASE_URL=http://localhost:1234/v1\nOPENAI_API_KEY=***"
        assert _has_provider_env_config(content)

    def test_detects_custom_endpoint_without_openrouter_key(self):
        content = "OPENAI_BASE_URL=http://localhost:8080/v1\n"
        assert _has_provider_env_config(content)

    def test_returns_false_when_no_provider_settings(self):
        content = "TERMINAL_ENV=local\n"
        assert not _has_provider_env_config(content)


class TestDoctorToolAvailabilityOverrides:
    def test_marks_honcho_available_when_configured(self, monkeypatch):
        monkeypatch.setattr(doctor, "_honcho_is_configured_for_doctor", lambda: True)

        available, unavailable = doctor._apply_doctor_tool_availability_overrides(
            [],
            [{"name": "honcho", "env_vars": [], "tools": ["query_user_context"]}],
        )

        assert available == ["honcho"]
        assert unavailable == []

    def test_leaves_honcho_unavailable_when_not_configured(self, monkeypatch):
        monkeypatch.setattr(doctor, "_honcho_is_configured_for_doctor", lambda: False)

        honcho_entry = {"name": "honcho", "env_vars": [], "tools": ["query_user_context"]}
        available, unavailable = doctor._apply_doctor_tool_availability_overrides(
            [],
            [honcho_entry],
        )

        assert available == []
        assert unavailable == [honcho_entry]


class TestHonchoDoctorConfigDetection:
    def test_reports_configured_when_enabled_with_api_key(self, monkeypatch):
        fake_config = SimpleNamespace(enabled=True, api_key="***")

        monkeypatch.setattr(
            "plugins.memory.honcho.client.HonchoClientConfig.from_global_config",
            lambda: fake_config,
        )

        assert doctor._honcho_is_configured_for_doctor()

    def test_reports_not_configured_without_api_key(self, monkeypatch):
        fake_config = SimpleNamespace(enabled=True, api_key="")

        monkeypatch.setattr(
            "plugins.memory.honcho.client.HonchoClientConfig.from_global_config",
            lambda: fake_config,
        )

        assert not doctor._honcho_is_configured_for_doctor()


def test_run_doctor_sets_interactive_env_for_tool_checks(monkeypatch, tmp_path):
    """Doctor should present CLI-gated tools as available in CLI context."""
    project_root = tmp_path / "project"
    hermes_home = tmp_path / ".hermes"
    project_root.mkdir()
    hermes_home.mkdir()

    monkeypatch.setattr(doctor_mod, "PROJECT_ROOT", project_root)
    monkeypatch.setattr(doctor_mod, "HERMES_HOME", hermes_home)
    monkeypatch.delenv("HERMES_INTERACTIVE", raising=False)

    seen = {}

    def fake_check_tool_availability(*args, **kwargs):
        seen["interactive"] = os.getenv("HERMES_INTERACTIVE")
        raise SystemExit(0)

    fake_model_tools = types.SimpleNamespace(
        check_tool_availability=fake_check_tool_availability,
        TOOLSET_REQUIREMENTS={},
    )
    monkeypatch.setitem(sys.modules, "model_tools", fake_model_tools)

    with pytest.raises(SystemExit):
        doctor_mod.run_doctor(Namespace(fix=False))

    assert seen["interactive"] == "1"


def test_check_gateway_service_linger_warns_when_disabled(monkeypatch, tmp_path, capsys):
    unit_path = tmp_path / "hermes-gateway.service"
    unit_path.write_text("[Unit]\n")

    monkeypatch.setattr(gateway_cli, "is_linux", lambda: True)
    monkeypatch.setattr(gateway_cli, "get_systemd_unit_path", lambda: unit_path)
    monkeypatch.setattr(gateway_cli, "get_systemd_linger_status", lambda: (False, ""))

    issues = []
    doctor._check_gateway_service_linger(issues)

    out = capsys.readouterr().out
    assert "Gateway Service" in out
    assert "Systemd linger disabled" in out
    assert "loginctl enable-linger" in out
    assert issues == [
        "Enable linger for the gateway user service: sudo loginctl enable-linger $USER"
    ]


def test_check_gateway_service_linger_skips_when_service_not_installed(monkeypatch, tmp_path, capsys):
    unit_path = tmp_path / "missing.service"

    monkeypatch.setattr(gateway_cli, "is_linux", lambda: True)
    monkeypatch.setattr(gateway_cli, "get_systemd_unit_path", lambda: unit_path)

    issues = []
    doctor._check_gateway_service_linger(issues)

    out = capsys.readouterr().out
    assert out == ""
    assert issues == []


# ── Memory provider section (doctor should only check the *active* provider) ──


class TestDoctorMemoryProviderSection:
    """The ◆ Memory Provider section should respect memory.provider config."""

    def _make_hermes_home(self, tmp_path, provider=""):
        """Create a minimal HERMES_HOME with config.yaml."""
        home = tmp_path / ".hermes"
        home.mkdir(parents=True, exist_ok=True)
        import yaml
        config = {"memory": {"provider": provider}} if provider else {"memory": {}}
        (home / "config.yaml").write_text(yaml.dump(config))
        return home

    def _run_doctor_and_capture(self, monkeypatch, tmp_path, provider=""):
        """Run doctor and capture stdout."""
        home = self._make_hermes_home(tmp_path, provider)
        monkeypatch.setattr(doctor_mod, "HERMES_HOME", home)
        monkeypatch.setattr(doctor_mod, "PROJECT_ROOT", tmp_path / "project")
        monkeypatch.setattr(doctor_mod, "_DHH", str(home))
        (tmp_path / "project").mkdir(exist_ok=True)

        # Stub tool availability (returns empty) so doctor runs past it
        fake_model_tools = types.SimpleNamespace(
            check_tool_availability=lambda *a, **kw: ([], []),
            TOOLSET_REQUIREMENTS={},
        )
        monkeypatch.setitem(sys.modules, "model_tools", fake_model_tools)

        # Stub auth checks to avoid real API calls
        try:
            from hermes_cli import auth as _auth_mod
            monkeypatch.setattr(_auth_mod, "get_nous_auth_status", lambda: {})
            monkeypatch.setattr(_auth_mod, "get_codex_auth_status", lambda: {})
        except Exception:
            pass

        import io, contextlib
        buf = io.StringIO()
        with contextlib.redirect_stdout(buf):
            doctor_mod.run_doctor(Namespace(fix=False))
        return buf.getvalue()

    def test_no_provider_shows_builtin_ok(self, monkeypatch, tmp_path):
        out = self._run_doctor_and_capture(monkeypatch, tmp_path, provider="")
        assert "Memory Provider" in out
        assert "Built-in memory active" in out
        # Should NOT mention Honcho or Mem0 errors
        assert "Honcho API key" not in out
        assert "Mem0" not in out

    def test_honcho_provider_not_installed_shows_fail(self, monkeypatch, tmp_path):
        # Make honcho import fail
        monkeypatch.setitem(
            sys.modules, "plugins.memory.honcho.client", None
        )
        out = self._run_doctor_and_capture(monkeypatch, tmp_path, provider="honcho")
        assert "Memory Provider" in out
        # Should show failure since honcho is set but not importable
        assert "Built-in memory active" not in out

    def test_mem0_provider_not_installed_shows_fail(self, monkeypatch, tmp_path):
        # Make mem0 import fail
        monkeypatch.setitem(sys.modules, "plugins.memory.mem0", None)
        out = self._run_doctor_and_capture(monkeypatch, tmp_path, provider="mem0")
        assert "Memory Provider" in out
        assert "Built-in memory active" not in out