#
# SPDX-FileCopyrightText: Hadad <hadad@linuxmail.org>
# SPDX-License-Identifier: Apache-2.0
#

import traceback
from config import MODEL
from src.core.web_configuration import WebConfiguration
from src.engine.browser_engine import BrowserEngine
from src.tools.tool_manager import construct_tool_definitions
from src.client.openai_client import initialize_client
from .response.setup import setup_response
from .response.generator import generate_response
from .tools.interaction import process_tool_interactions

def process_user_request(user_message, chat_history):
    if not isinstance(user_message, str) or not user_message.strip():
        yield []
        return

    output_content = ""
    
    try:
        server, client_initialization_error = initialize_client()
        if client_initialization_error:
            output_content = client_initialization_error
            yield output_content
            return

        search_configuration = WebConfiguration()
        search_engine_instance = BrowserEngine(search_configuration)
        available_tools = construct_tool_definitions()

        conversation_messages = setup_response(
            chat_history, 
            user_message
        )

        tool_response = ""
        tools_done = False
        
        for tool_update in process_tool_interactions(
            server=server,
            model_name=MODEL,
            conversation_messages=conversation_messages,
            tool_definitions=available_tools,
            search_engine=search_engine_instance
        ):
            if isinstance(tool_update, str):
                tool_response = tool_update
                yield tool_response
            else:
                conversation_messages = tool_update[0]
                tool_response = tool_update[1]
                tools_done = tool_update[2]

        if tool_response:
            yield tool_response + "\n\n"

        final_response_generator = generate_response(
            server=server,
            model_name=MODEL,
            conversation_messages=conversation_messages,
            tool_definitions=available_tools,
            tools_done=tools_done
        )
        
        for final_response in final_response_generator:
            if tool_response:
                yield tool_response + "\n\n" + final_response
            else:
                yield final_response

    except Exception as processing_error:
        output_content += f"\nError: {str(processing_error)}\n"
        output_content += traceback.format_exc()
        yield output_content