import asyncio
import json
import sys
import pytest
from src import mcp_client
from src import models

@pytest.mark.asyncio
async def test_external_mcp_real_process():
    manager = mcp_client.ExternalMCPManager()
    
    # Use our mock script
    mock_script = "scripts/mock_mcp_server.py"
    config = models.MCPServerConfig(
        name="real-mock", 
        command="python", 
        args=[mock_script]
    )
    
    await manager.add_server(config)
    
    try:
        tools = manager.get_all_tools()
        assert "echo" in tools
        assert tools["echo"]["server"] == "real-mock"
        
        result = await manager.async_dispatch("echo", {"hello": "world"})
        assert "ECHO: {'hello': 'world'}" in result
    finally:
        await manager.stop_all()

@pytest.mark.asyncio
async def test_get_tool_schemas_includes_external():
    manager = mcp_client.get_external_mcp_manager()
    # Reset manager
    await manager.stop_all()
    
    mock_script = "scripts/mock_mcp_server.py"
    config = models.MCPServerConfig(
        name="test-server", 
        command="python", 
        args=[mock_script]
    )
    
    await manager.add_server(config)
    
    try:
        schemas = mcp_client.get_tool_schemas()
        echo_schema = next((s for s in schemas if s["name"] == "echo"), None)
        
        assert echo_schema is not None
        assert echo_schema["description"] == "Echo input"
        assert echo_schema["parameters"] == {"type": "object"}
    finally:
        await manager.stop_all()