"""Tests for procleaning-mcp server."""

import sys
import asyncio
import os

sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "src"))

import pytest
from procleaning_mcp.server import mcp


@pytest.fixture
def event_loop():
    """Create a test event loop."""
    loop = asyncio.new_event_loop()
    yield loop
    loop.close()


@pytest.mark.asyncio
async def test_list_processes():
    """Test that list_processes returns valid output."""
    result = await mcp.call_tool(
        "list_processes", {"name_filter": "python", "max_processes": 5}
    )
    # call_tool returns (content_list, structured_content)
    content_list, structured = result
    assert isinstance(content_list, list)
    assert content_list[0].type == "text"
    text = content_list[0].text
    assert "Found" in text or "No processes" in text


@pytest.mark.asyncio
async def test_system_resource_usage():
    """Test that system_resource_usage returns valid output."""
    result = await mcp.call_tool(
        "system_resource_usage", {"top_n": 3, "sort_by": "memory"}
    )
    content_list, structured = result
    assert isinstance(content_list, list)
    assert content_list[0].type == "text"
    text = content_list[0].text
    assert "CPU Usage" in text
    assert "Memory Usage" in text
    assert "Top 3" in text


@pytest.mark.asyncio
async def test_find_zombies():
    """Test that find_zombies returns valid output."""
    result = await mcp.call_tool("find_zombies", {"include_details": False})
    content_list, structured = result
    assert isinstance(content_list, list)
    assert content_list[0].type == "text"


@pytest.mark.asyncio
async def test_list_processes_empty_filter():
    """Test list_processes with no filter returns processes."""
    result = await mcp.call_tool(
        "list_processes", {"max_processes": 3}
    )
    content_list, structured = result
    assert isinstance(content_list, list)
    text = content_list[0].text
    assert "Found" in text


@pytest.mark.asyncio
async def test_kill_process_no_confirm():
    """Test that kill_process without confirm returns cancellation message."""
    result = await mcp.call_tool(
        "kill_process", {"pid": 1, "confirm": False}
    )
    content_list, structured = result
    text = content_list[0].text
    assert "cancelled" in text.lower()


@pytest.mark.asyncio
async def test_kill_by_name_no_match():
    """Test kill_by_name with non-existent process name."""
    result = await mcp.call_tool(
        "kill_by_name", {"name_pattern": "thisprocessdoesnotexist12345", "confirm": False}
    )
    content_list, structured = result
    text = content_list[0].text
    assert "cancelled" in text.lower()