from io import StringIO

import pytest
from rich.console import Console

from hermes_cli.skills_hub import do_list


class _DummyLockFile:
    def __init__(self, installed):
        self._installed = installed

    def list_installed(self):
        return self._installed


@pytest.fixture()
def hub_env(monkeypatch, tmp_path):
    """Set up isolated hub directory paths and return (monkeypatch, tmp_path)."""
    import tools.skills_hub as hub

    hub_dir = tmp_path / "skills" / ".hub"
    monkeypatch.setattr(hub, "SKILLS_DIR", tmp_path / "skills")
    monkeypatch.setattr(hub, "HUB_DIR", hub_dir)
    monkeypatch.setattr(hub, "LOCK_FILE", hub_dir / "lock.json")
    monkeypatch.setattr(hub, "QUARANTINE_DIR", hub_dir / "quarantine")
    monkeypatch.setattr(hub, "AUDIT_LOG", hub_dir / "audit.log")
    monkeypatch.setattr(hub, "TAPS_FILE", hub_dir / "taps.json")
    monkeypatch.setattr(hub, "INDEX_CACHE_DIR", hub_dir / "index-cache")

    return hub_dir


# ---------------------------------------------------------------------------
# Fixtures for common skill setups
# ---------------------------------------------------------------------------

_HUB_ENTRY = {"name": "hub-skill", "source": "github", "trust_level": "community"}

_ALL_THREE_SKILLS = [
    {"name": "hub-skill", "category": "x", "description": "hub"},
    {"name": "builtin-skill", "category": "x", "description": "builtin"},
    {"name": "local-skill", "category": "x", "description": "local"},
]

_BUILTIN_MANIFEST = {"builtin-skill": "abc123"}


@pytest.fixture()
def three_source_env(monkeypatch, hub_env):
    """Populate hub/builtin/local skills for source-classification tests."""
    import tools.skills_hub as hub
    import tools.skills_sync as skills_sync
    import tools.skills_tool as skills_tool

    monkeypatch.setattr(hub, "HubLockFile", lambda: _DummyLockFile([_HUB_ENTRY]))
    monkeypatch.setattr(skills_tool, "_find_all_skills", lambda: list(_ALL_THREE_SKILLS))
    monkeypatch.setattr(skills_sync, "_read_manifest", lambda: dict(_BUILTIN_MANIFEST))

    return hub_env


def _capture(source_filter: str = "all") -> str:
    """Run do_list into a string buffer and return the output."""
    sink = StringIO()
    console = Console(file=sink, force_terminal=False, color_system=None)
    do_list(source_filter=source_filter, console=console)
    return sink.getvalue()


# ---------------------------------------------------------------------------
# Tests
# ---------------------------------------------------------------------------


def test_do_list_initializes_hub_dir(monkeypatch, hub_env):
    import tools.skills_sync as skills_sync
    import tools.skills_tool as skills_tool

    monkeypatch.setattr(skills_tool, "_find_all_skills", lambda: [])
    monkeypatch.setattr(skills_sync, "_read_manifest", lambda: {})

    hub_dir = hub_env
    assert not hub_dir.exists()

    _capture()

    assert hub_dir.exists()
    assert (hub_dir / "lock.json").exists()
    assert (hub_dir / "quarantine").is_dir()
    assert (hub_dir / "index-cache").is_dir()


def test_do_list_distinguishes_hub_builtin_and_local(three_source_env):
    output = _capture()

    assert "hub-skill" in output
    assert "builtin-skill" in output
    assert "local-skill" in output
    assert "1 hub-installed, 1 builtin, 1 local" in output


def test_do_list_filter_local(three_source_env):
    output = _capture(source_filter="local")

    assert "local-skill" in output
    assert "builtin-skill" not in output
    assert "hub-skill" not in output


def test_do_list_filter_hub(three_source_env):
    output = _capture(source_filter="hub")

    assert "hub-skill" in output
    assert "builtin-skill" not in output
    assert "local-skill" not in output


def test_do_list_filter_builtin(three_source_env):
    output = _capture(source_filter="builtin")

    assert "builtin-skill" in output
    assert "hub-skill" not in output
    assert "local-skill" not in output