"""Tests for hermes_cli.tools_config platform tool persistence."""

from unittest.mock import patch

from hermes_cli.tools_config import (
    _get_platform_tools,
    _platform_toolset_summary,
    _save_platform_tools,
    _toolset_has_keys,
)


def test_get_platform_tools_uses_default_when_platform_not_configured():
    config = {}

    enabled = _get_platform_tools(config, "cli")

    assert enabled


def test_get_platform_tools_preserves_explicit_empty_selection():
    config = {"platform_toolsets": {"cli": []}}

    enabled = _get_platform_tools(config, "cli")

    assert enabled == set()


def test_platform_toolset_summary_uses_explicit_platform_list():
    config = {}

    summary = _platform_toolset_summary(config, platforms=["cli"])

    assert set(summary.keys()) == {"cli"}
    assert summary["cli"] == _get_platform_tools(config, "cli")


def test_toolset_has_keys_for_vision_accepts_codex_auth(tmp_path, monkeypatch):
    monkeypatch.setenv("HERMES_HOME", str(tmp_path))
    (tmp_path / "auth.json").write_text(
        '{"active_provider":"openai-codex","providers":{"openai-codex":{"tokens":{"access_token": "codex-...oken","refresh_token": "codex-...oken"}}}}'
    )
    monkeypatch.delenv("OPENROUTER_API_KEY", raising=False)
    monkeypatch.delenv("OPENAI_BASE_URL", raising=False)
    monkeypatch.delenv("OPENAI_API_KEY", raising=False)
    monkeypatch.delenv("AUXILIARY_VISION_PROVIDER", raising=False)
    monkeypatch.delenv("CONTEXT_VISION_PROVIDER", raising=False)

    assert _toolset_has_keys("vision") is True


def test_save_platform_tools_preserves_mcp_server_names():
    """Ensure MCP server names are preserved when saving platform tools.

    Regression test for https://github.com/NousResearch/hermes-agent/issues/1247
    """
    config = {
        "platform_toolsets": {
            "cli": ["web", "terminal", "time", "github", "custom-mcp-server"]
        }
    }

    new_selection = {"web", "browser"}

    with patch("hermes_cli.tools_config.save_config"):
        _save_platform_tools(config, "cli", new_selection)

    saved_toolsets = config["platform_toolsets"]["cli"]

    assert "time" in saved_toolsets
    assert "github" in saved_toolsets
    assert "custom-mcp-server" in saved_toolsets
    assert "web" in saved_toolsets
    assert "browser" in saved_toolsets
    assert "terminal" not in saved_toolsets


def test_save_platform_tools_handles_empty_existing_config():
    """Saving platform tools works when no existing config exists."""
    config = {}

    with patch("hermes_cli.tools_config.save_config"):
        _save_platform_tools(config, "telegram", {"web", "terminal"})

    saved_toolsets = config["platform_toolsets"]["telegram"]
    assert "web" in saved_toolsets
    assert "terminal" in saved_toolsets


def test_save_platform_tools_handles_invalid_existing_config():
    """Saving platform tools works when existing config is not a list."""
    config = {
        "platform_toolsets": {
            "cli": "invalid-string-value"
        }
    }

    with patch("hermes_cli.tools_config.save_config"):
        _save_platform_tools(config, "cli", {"web"})

    saved_toolsets = config["platform_toolsets"]["cli"]
    assert "web" in saved_toolsets


def test_save_platform_tools_does_not_preserve_platform_default_toolsets():
    """Platform default toolsets (hermes-cli, hermes-telegram, etc.) must NOT
    be preserved across saves.

    These "super" toolsets resolve to ALL tools, so if they survive in the
    config, they silently override any tools the user unchecked. Previously,
    the preserve filter only excluded configurable toolset keys (web, browser,
    terminal, etc.) and treated platform defaults as unknown custom entries
    (like MCP server names), causing them to be kept unconditionally.

    Regression test: user unchecks image_gen and homeassistant via
    ``hermes tools``, but hermes-cli stays in the config and re-enables
    everything on the next read.
    """
    config = {
        "platform_toolsets": {
            "cli": [
                "browser", "clarify", "code_execution", "cronjob",
                "delegation", "file", "hermes-cli",  # <-- the culprit
                "memory", "session_search", "skills", "terminal",
                "todo", "tts", "vision", "web",
            ]
        }
    }

    # User unchecks image_gen, homeassistant, moa — keeps the rest
    new_selection = {
        "browser", "clarify", "code_execution", "cronjob",
        "delegation", "file", "memory", "session_search",
        "skills", "terminal", "todo", "tts", "vision", "web",
    }

    with patch("hermes_cli.tools_config.save_config"):
        _save_platform_tools(config, "cli", new_selection)

    saved = config["platform_toolsets"]["cli"]

    # hermes-cli must NOT survive — it's a platform default, not an MCP server
    assert "hermes-cli" not in saved

    # The individual toolset keys the user selected must be present
    assert "web" in saved
    assert "terminal" in saved
    assert "browser" in saved

    # Tools the user unchecked must NOT be present
    assert "image_gen" not in saved
    assert "homeassistant" not in saved
    assert "moa" not in saved


def test_save_platform_tools_does_not_preserve_hermes_telegram():
    """Same bug for Telegram — hermes-telegram must not be preserved."""
    config = {
        "platform_toolsets": {
            "telegram": [
                "browser", "file", "hermes-telegram", "terminal", "web",
            ]
        }
    }

    new_selection = {"browser", "file", "terminal", "web"}

    with patch("hermes_cli.tools_config.save_config"):
        _save_platform_tools(config, "telegram", new_selection)

    saved = config["platform_toolsets"]["telegram"]
    assert "hermes-telegram" not in saved
    assert "web" in saved


def test_save_platform_tools_still_preserves_mcp_with_platform_default_present():
    """MCP server names must still be preserved even when platform defaults
    are being stripped out."""
    config = {
        "platform_toolsets": {
            "cli": [
                "web", "terminal", "hermes-cli", "my-mcp-server", "github-tools",
            ]
        }
    }

    new_selection = {"web", "browser"}

    with patch("hermes_cli.tools_config.save_config"):
        _save_platform_tools(config, "cli", new_selection)

    saved = config["platform_toolsets"]["cli"]

    # MCP servers preserved
    assert "my-mcp-server" in saved
    assert "github-tools" in saved

    # Platform default stripped
    assert "hermes-cli" not in saved

    # User selections present
    assert "web" in saved
    assert "browser" in saved

    # Deselected configurable toolset removed
    assert "terminal" not in saved