# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import logging
import os
import pprint
from typing import Any

from google.adk.agents.llm_agent import LlmAgent
from google.adk.agents.mcp_instruction_provider import McpInstructionProvider
from google.adk.tools.base_tool import BaseTool
from google.adk.tools.mcp_tool.mcp_session_manager import SseConnectionParams
from google.adk.tools.mcp_tool.mcp_toolset import MCPToolset
from google.adk.tools.tool_context import ToolContext

# Configure logging; the mcp_tool logger must be set to
# DEBUG to capture http_debug_info
logging.basicConfig(level=logging.INFO)
logging.getLogger('google_adk.google.adk.tools.mcp_tool.mcp_tool').setLevel(
    logging.DEBUG
)

_allowed_path = os.path.dirname(os.path.abspath(__file__))

connection_params = SseConnectionParams(
    url='http://localhost:3000/sse',
    headers={'Accept': 'text/event-stream'},
)


def after_tool_debug_callback(
    tool: BaseTool,
    args: dict[str, Any],
    tool_context: ToolContext,
    tool_response: dict[str, Any],
) -> dict[str, Any] | None:
  # pylint: disable=unused-argument
  print(f'\n=== HTTP Debug Info (from Callback for {tool.name}) ===')
  pprint.pprint(tool_context.custom_metadata.get('http_debug_info'))
  print('====================================================\n')
  return None


root_agent = LlmAgent(
    name='enterprise_assistant',
    instruction=McpInstructionProvider(
        connection_params=connection_params,
        prompt_name='file_system_prompt',
    ),
    tools=[
        MCPToolset(
            connection_params=connection_params,
            # don't want agent to do write operation
            # you can also do below
            # tool_filter=lambda tool, ctx=None: tool.name
            # not in [
            #     'write_file',
            #     'edit_file',
            #     'create_directory',
            #     'move_file',
            # ],
            tool_filter=[
                'read_file',
                'read_multiple_files',
                'list_directory',
                'directory_tree',
                'search_files',
                'get_file_info',
                'list_allowed_directories',
            ],
            require_confirmation=True,
        )
    ],
    after_tool_callback=after_tool_debug_callback,
)