webui.py

import pdb
import logging

from dotenv import load_dotenv

load_dotenv()
import os
import glob
import asyncio
import argparse
import os

logger = logging.getLogger(__name__)

import gradio as gr

from browser_use.agent.service import Agent
from playwright.async_api import async_playwright
from browser_use.browser.browser import Browser, BrowserConfig
from browser_use.browser.context import (
    BrowserContextConfig,
    BrowserContextWindowSize,
)
from langchain_ollama import ChatOllama
from playwright.async_api import async_playwright
from src.utils.agent_state import AgentState

from src.utils import utils
from src.agent.custom_agent import CustomAgent
from src.browser.custom_browser import CustomBrowser
from src.agent.custom_prompts import CustomSystemPrompt, CustomAgentMessagePrompt
from src.browser.custom_context import BrowserContextConfig, CustomBrowserContext
from src.controller.custom_controller import CustomController
from gradio.themes import Citrus, Default, Glass, Monochrome, Ocean, Origin, Soft, Base
from src.utils.default_config_settings import default_config, load_config_from_file, save_config_to_file, save_current_config, update_ui_from_config
from src.utils.utils import update_model_dropdown, get_latest_files, capture_screenshot


# Global variables for persistence
_global_browser = None
_global_browser_context = None
_global_agent = None

# Create the global agent state instance
_global_agent_state = AgentState()

def resolve_sensitive_env_variables(text):
    """
    Replace environment variable placeholders ($SENSITIVE_*) with their values.
    Only replaces variables that start with SENSITIVE_.
    """
    if not text:
        return text
        
    import re
    
    # Find all $SENSITIVE_* patterns
    env_vars = re.findall(r'\$SENSITIVE_[A-Za-z0-9_]*', text)
    
    result = text
    for var in env_vars:
        # Remove the $ prefix to get the actual environment variable name
        env_name = var[1:]  # removes the $
        env_value = os.getenv(env_name)
        if env_value is not None:
            # Replace $SENSITIVE_VAR_NAME with its value
            result = result.replace(var, env_value)
        
    return result

async def stop_agent():
    """Request the agent to stop and update UI with enhanced feedback"""
    global _global_agent_state, _global_browser_context, _global_browser, _global_agent

    try:
        # Request stop
        _global_agent.stop()

        # Update UI immediately
        message = "Stop requested - the agent will halt at the next safe point"
        logger.info(f"🛑 {message}")

        # Return UI updates
        return (
            message,                                        # errors_output
            gr.update(value="Stopping...", interactive=False),  # stop_button
            gr.update(interactive=False),                      # run_button
        )
    except Exception as e:
        error_msg = f"Error during stop: {str(e)}"
        logger.error(error_msg)
        return (
            error_msg,
            gr.update(value="Stop", interactive=True),
            gr.update(interactive=True)
        )
        
async def stop_research_agent():
    """Request the agent to stop and update UI with enhanced feedback"""
    global _global_agent_state, _global_browser_context, _global_browser

    try:
        # Request stop
        _global_agent_state.request_stop()

        # Update UI immediately
        message = "Stop requested - the agent will halt at the next safe point"
        logger.info(f"🛑 {message}")

        # Return UI updates
        return (                                   # errors_output
            gr.update(value="Stopping...", interactive=False),  # stop_button
            gr.update(interactive=False),                      # run_button
        )
    except Exception as e:
        error_msg = f"Error during stop: {str(e)}"
        logger.error(error_msg)
        return (
            gr.update(value="Stop", interactive=True),
            gr.update(interactive=True)
        )

async def run_browser_agent(
        agent_type,
        llm_provider,
        llm_model_name,
        llm_num_ctx,
        llm_temperature,
        llm_base_url,
        llm_api_key,
        use_own_browser,
        keep_browser_open,
        headless,
        disable_security,
        window_w,
        window_h,
        save_recording_path,
        save_agent_history_path,
        save_trace_path,
        enable_recording,
        task,
        add_infos,
        max_steps,
        use_vision,
        max_actions_per_step,
        tool_calling_method
):
    global _global_agent_state
    _global_agent_state.clear_stop()  # Clear any previous stop requests

    try:
        # Disable recording if the checkbox is unchecked
        if not enable_recording:
            save_recording_path = None

        # Ensure the recording directory exists if recording is enabled
        if save_recording_path:
            os.makedirs(save_recording_path, exist_ok=True)

        # Get the list of existing videos before the agent runs
        existing_videos = set()
        if save_recording_path:
            existing_videos = set(
                glob.glob(os.path.join(save_recording_path, "*.[mM][pP]4"))
                + glob.glob(os.path.join(save_recording_path, "*.[wW][eE][bB][mM]"))
            )

        task = resolve_sensitive_env_variables(task)

        # Run the agent
        llm = utils.get_llm_model(
            provider=llm_provider,
            model_name=llm_model_name,
            num_ctx=llm_num_ctx,
            temperature=llm_temperature,
            base_url=llm_base_url,
            api_key=llm_api_key,
        )
        if agent_type == "org":
            final_result, errors, model_actions, model_thoughts, trace_file, history_file = await run_org_agent(
                llm=llm,
                use_own_browser=use_own_browser,
                keep_browser_open=keep_browser_open,
                headless=headless,
                disable_security=disable_security,
                window_w=window_w,
                window_h=window_h,
                save_recording_path=save_recording_path,
                save_agent_history_path=save_agent_history_path,
                save_trace_path=save_trace_path,
                task=task,
                max_steps=max_steps,
                use_vision=use_vision,
                max_actions_per_step=max_actions_per_step,
                tool_calling_method=tool_calling_method
            )
        elif agent_type == "custom":
            final_result, errors, model_actions, model_thoughts, trace_file, history_file = await run_custom_agent(
                llm=llm,
                use_own_browser=use_own_browser,
                keep_browser_open=keep_browser_open,
                headless=headless,
                disable_security=disable_security,
                window_w=window_w,
                window_h=window_h,
                save_recording_path=save_recording_path,
                save_agent_history_path=save_agent_history_path,
                save_trace_path=save_trace_path,
                task=task,
                add_infos=add_infos,
                max_steps=max_steps,
                use_vision=use_vision,
                max_actions_per_step=max_actions_per_step,
                tool_calling_method=tool_calling_method
            )
        else:
            raise ValueError(f"Invalid agent type: {agent_type}")

        # Get the list of videos after the agent runs (if recording is enabled)
        latest_video = None
        if save_recording_path:
            new_videos = set(
                glob.glob(os.path.join(save_recording_path, "*.[mM][pP]4"))
                + glob.glob(os.path.join(save_recording_path, "*.[wW][eE][bB][mM]"))
            )
            if new_videos - existing_videos:
                latest_video = list(new_videos - existing_videos)[0]  # Get the first new video

        return (
            final_result,
            errors,
            model_actions,
            model_thoughts,
            latest_video,
            trace_file,
            history_file,
            gr.update(value="Stop", interactive=True),  # Re-enable stop button
            gr.update(interactive=True)    # Re-enable run button
        )

    except gr.Error:
        raise

    except Exception as e:
        import traceback
        traceback.print_exc()
        errors = str(e) + "\n" + traceback.format_exc()
        return (
            '',                                         # final_result
            errors,                                     # errors
            '',                                         # model_actions
            '',                                         # model_thoughts
            None,                                       # latest_video
            None,                                       # history_file
            None,                                       # trace_file
            gr.update(value="Stop", interactive=True),  # Re-enable stop button
            gr.update(interactive=True)    # Re-enable run button
        )


async def run_org_agent(
        llm,
        use_own_browser,
        keep_browser_open,
        headless,
        disable_security,
        window_w,
        window_h,
        save_recording_path,
        save_agent_history_path,
        save_trace_path,
        task,
        max_steps,
        use_vision,
        max_actions_per_step,
        tool_calling_method
):
    try:
        global _global_browser, _global_browser_context, _global_agent_state, _global_agent
        
        # Clear any previous stop request
        _global_agent_state.clear_stop()

        extra_chromium_args = [f"--window-size={window_w},{window_h}"]
        if use_own_browser:
            chrome_path = os.getenv("CHROME_PATH", None)
            if chrome_path == "":
                chrome_path = None
            chrome_user_data = os.getenv("CHROME_USER_DATA", None)
            if chrome_user_data:
                extra_chromium_args += [f"--user-data-dir={chrome_user_data}"]
        else:
            chrome_path = None
            
        if _global_browser is None:
            _global_browser = Browser(
                config=BrowserConfig(
                    headless=headless,
                    disable_security=disable_security,
                    chrome_instance_path=chrome_path,
                    extra_chromium_args=extra_chromium_args,
                )
            )

        if _global_browser_context is None:
            _global_browser_context = await _global_browser.new_context(
                config=BrowserContextConfig(
                    trace_path=save_trace_path if save_trace_path else None,
                    save_recording_path=save_recording_path if save_recording_path else None,
                    no_viewport=False,
                    browser_window_size=BrowserContextWindowSize(
                        width=window_w, height=window_h
                    ),
                )
            )

        if _global_agent is None:
            _global_agent = Agent(
                task=task,
                llm=llm,
                use_vision=use_vision,
                browser=_global_browser,
                browser_context=_global_browser_context,
                max_actions_per_step=max_actions_per_step,
                tool_calling_method=tool_calling_method
            )
        history = await _global_agent.run(max_steps=max_steps)

        history_file = os.path.join(save_agent_history_path, f"{_global_agent.agent_id}.json")
        _global_agent.save_history(history_file)

        final_result = history.final_result()
        errors = history.errors()
        model_actions = history.model_actions()
        model_thoughts = history.model_thoughts()

        trace_file = get_latest_files(save_trace_path)

        return final_result, errors, model_actions, model_thoughts, trace_file.get('.zip'), history_file
    except Exception as e:
        import traceback
        traceback.print_exc()
        errors = str(e) + "\n" + traceback.format_exc()
        return '', errors, '', '', None, None
    finally:
        _global_agent = None
        # Handle cleanup based on persistence configuration
        if not keep_browser_open:
            if _global_browser_context:
                await _global_browser_context.close()
                _global_browser_context = None

            if _global_browser:
                await _global_browser.close()
                _global_browser = None

async def run_custom_agent(
        llm,
        use_own_browser,
        keep_browser_open,
        headless,
        disable_security,
        window_w,
        window_h,
        save_recording_path,
        save_agent_history_path,
        save_trace_path,
        task,
        add_infos,
        max_steps,
        use_vision,
        max_actions_per_step,
        tool_calling_method
):
    try:
        global _global_browser, _global_browser_context, _global_agent_state, _global_agent

        # Clear any previous stop request
        _global_agent_state.clear_stop()

        extra_chromium_args = [f"--window-size={window_w},{window_h}"]
        if use_own_browser:
            chrome_path = os.getenv("CHROME_PATH", None)
            if chrome_path == "":
                chrome_path = None
            chrome_user_data = os.getenv("CHROME_USER_DATA", None)
            if chrome_user_data:
                extra_chromium_args += [f"--user-data-dir={chrome_user_data}"]
        else:
            chrome_path = None

        controller = CustomController()

        # Initialize global browser if needed
        if _global_browser is None:
            _global_browser = CustomBrowser(
                config=BrowserConfig(
                    headless=headless,
                    disable_security=disable_security,
                    chrome_instance_path=chrome_path,
                    extra_chromium_args=extra_chromium_args,
                )
            )

        if _global_browser_context is None:
            _global_browser_context = await _global_browser.new_context(
                config=BrowserContextConfig(
                    trace_path=save_trace_path if save_trace_path else None,
                    save_recording_path=save_recording_path if save_recording_path else None,
                    no_viewport=False,
                    browser_window_size=BrowserContextWindowSize(
                        width=window_w, height=window_h
                    ),
                )
            )
            
        # Create and run agent
        if _global_agent is None:
            _global_agent = CustomAgent(
                task=task,
                add_infos=add_infos,
                use_vision=use_vision,
                llm=llm,
                browser=_global_browser,
                browser_context=_global_browser_context,
                controller=controller,
                system_prompt_class=CustomSystemPrompt,
                agent_prompt_class=CustomAgentMessagePrompt,
                max_actions_per_step=max_actions_per_step,
                tool_calling_method=tool_calling_method
            )
        history = await _global_agent.run(max_steps=max_steps)

        history_file = os.path.join(save_agent_history_path, f"{_global_agent.agent_id}.json")
        _global_agent.save_history(history_file)

        final_result = history.final_result()
        errors = history.errors()
        model_actions = history.model_actions()
        model_thoughts = history.model_thoughts()

        trace_file = get_latest_files(save_trace_path)        

        return final_result, errors, model_actions, model_thoughts, trace_file.get('.zip'), history_file
    except Exception as e:
        import traceback
        traceback.print_exc()
        errors = str(e) + "\n" + traceback.format_exc()
        return '', errors, '', '', None, None
    finally:
        _global_agent = None
        # Handle cleanup based on persistence configuration
        if not keep_browser_open:
            if _global_browser_context:
                await _global_browser_context.close()
                _global_browser_context = None

            if _global_browser:
                await _global_browser.close()
                _global_browser = None

async def run_with_stream(
    agent_type,
    llm_provider,
    llm_model_name,
    llm_num_ctx,
    llm_temperature,
    llm_base_url,
    llm_api_key,
    use_own_browser,
    keep_browser_open,
    headless,
    disable_security,
    window_w,
    window_h,
    save_recording_path,
    save_agent_history_path,
    save_trace_path,
    enable_recording,
    task,
    add_infos,
    max_steps,
    use_vision,
    max_actions_per_step,
    tool_calling_method
):
    global _global_agent_state
    stream_vw = 80
    stream_vh = int(80 * window_h // window_w)
    if not headless:
        result = await run_browser_agent(
            agent_type=agent_type,
            llm_provider=llm_provider,
            llm_model_name=llm_model_name,
            llm_num_ctx=llm_num_ctx,
            llm_temperature=llm_temperature,
            llm_base_url=llm_base_url,
            llm_api_key=llm_api_key,
            use_own_browser=use_own_browser,
            keep_browser_open=keep_browser_open,
            headless=headless,
            disable_security=disable_security,
            window_w=window_w,
            window_h=window_h,
            save_recording_path=save_recording_path,
            save_agent_history_path=save_agent_history_path,
            save_trace_path=save_trace_path,
            enable_recording=enable_recording,
            task=task,
            add_infos=add_infos,
            max_steps=max_steps,
            use_vision=use_vision,
            max_actions_per_step=max_actions_per_step,
            tool_calling_method=tool_calling_method
        )
        # Add HTML content at the start of the result array
        html_content = f"<h1 style='width:{stream_vw}vw; height:{stream_vh}vh'>Using browser...</h1>"
        yield [html_content] + list(result)
    else:
        try:
            _global_agent_state.clear_stop()
            # Run the browser agent in the background
            agent_task = asyncio.create_task(
                run_browser_agent(
                    agent_type=agent_type,
                    llm_provider=llm_provider,
                    llm_model_name=llm_model_name,
                    llm_num_ctx=llm_num_ctx,
                    llm_temperature=llm_temperature,
                    llm_base_url=llm_base_url,
                    llm_api_key=llm_api_key,
                    use_own_browser=use_own_browser,
                    keep_browser_open=keep_browser_open,
                    headless=headless,
                    disable_security=disable_security,
                    window_w=window_w,
                    window_h=window_h,
                    save_recording_path=save_recording_path,
                    save_agent_history_path=save_agent_history_path,
                    save_trace_path=save_trace_path,
                    enable_recording=enable_recording,
                    task=task,
                    add_infos=add_infos,
                    max_steps=max_steps,
                    use_vision=use_vision,
                    max_actions_per_step=max_actions_per_step,
                    tool_calling_method=tool_calling_method
                )
            )

            # Initialize values for streaming
            html_content = f"<h1 style='width:{stream_vw}vw; height:{stream_vh}vh'>Using browser...</h1>"
            final_result = errors = model_actions = model_thoughts = ""
            latest_videos = trace = history_file = None


            # Periodically update the stream while the agent task is running
            while not agent_task.done():
                try:
                    encoded_screenshot = await capture_screenshot(_global_browser_context)
                    if encoded_screenshot is not None:
                        html_content = f'<img src="data:image/jpeg;base64,{encoded_screenshot}" style="width:{stream_vw}vw; height:{stream_vh}vh ; border:1px solid #ccc;">'
                    else:
                        html_content = f"<h1 style='width:{stream_vw}vw; height:{stream_vh}vh'>Waiting for browser session...</h1>"
                except Exception as e:
                    html_content = f"<h1 style='width:{stream_vw}vw; height:{stream_vh}vh'>Waiting for browser session...</h1>"

                if _global_agent_state and _global_agent_state.is_stop_requested():
                    yield [
                        html_content,
                        final_result,
                        errors,
                        model_actions,
                        model_thoughts,
                        latest_videos,
                        trace,
                        history_file,
                        gr.update(value="Stopping...", interactive=False),  # stop_button
                        gr.update(interactive=False),  # run_button
                    ]
                    break
                else:
                    yield [
                        html_content,
                        final_result,
                        errors,
                        model_actions,
                        model_thoughts,
                        latest_videos,
                        trace,
                        history_file,
                        gr.update(value="Stop", interactive=True),  # Re-enable stop button
                        gr.update(interactive=True)  # Re-enable run button
                    ]
                await asyncio.sleep(0.05)

            # Once the agent task completes, get the results
            try:
                result = await agent_task
                final_result, errors, model_actions, model_thoughts, latest_videos, trace, history_file, stop_button, run_button = result
            except gr.Error:
                final_result = ""
                model_actions = ""
                model_thoughts = ""
                latest_videos = trace = history_file = None

            except Exception as e:
                errors = f"Agent error: {str(e)}"

            yield [
                html_content,
                final_result,
                errors,
                model_actions,
                model_thoughts,
                latest_videos,
                trace,
                history_file,
                stop_button,
                run_button
            ]

        except Exception as e:
            import traceback
            yield [
                f"<h1 style='width:{stream_vw}vw; height:{stream_vh}vh'>Waiting for browser session...</h1>",
                "",
                f"Error: {str(e)}\n{traceback.format_exc()}",
                "",
                "",
                None,
                None,
                None,
                gr.update(value="Stop", interactive=True),  # Re-enable stop button
                gr.update(interactive=True)    # Re-enable run button
            ]

# Define the theme map globally
theme_map = {
    "Default": Default(),
    "Soft": Soft(),
    "Monochrome": Monochrome(),
    "Glass": Glass(),
    "Origin": Origin(),
    "Citrus": Citrus(),
    "Ocean": Ocean(),
    "Base": Base()
}

async def close_global_browser():
    global _global_browser, _global_browser_context

    if _global_browser_context:
        await _global_browser_context.close()
        _global_browser_context = None

    if _global_browser:
        await _global_browser.close()
        _global_browser = None
        
async def run_deep_search(research_task, max_search_iteration_input, max_query_per_iter_input, llm_provider, llm_model_name, llm_num_ctx, llm_temperature, llm_base_url, llm_api_key, use_vision, use_own_browser, headless):
    from src.utils.deep_research import deep_research
    global _global_agent_state

    # Clear any previous stop request
    _global_agent_state.clear_stop()
    
    llm = utils.get_llm_model(
            provider=llm_provider,
            model_name=llm_model_name,
            num_ctx=llm_num_ctx,
            temperature=llm_temperature,
            base_url=llm_base_url,
            api_key=llm_api_key,
        )
    markdown_content, file_path = await deep_research(research_task, llm, _global_agent_state,
                                                        max_search_iterations=max_search_iteration_input,
                                                        max_query_num=max_query_per_iter_input,
                                                        use_vision=use_vision,
                                                        headless=headless,
                                                        use_own_browser=use_own_browser
                                                        )
    
    return markdown_content, file_path, gr.update(value="Stop", interactive=True),  gr.update(interactive=True) 
    

def create_ui(config, theme_name="Ocean"):
    css = """
    .gradio-container {
        max-width: 1200px !important;
        margin: auto !important;
        padding-top: 20px !important;
    }
    .header-text {
        text-align: center;
        margin-bottom: 30px;
    }
    .theme-section {
        margin-bottom: 20px;
        padding: 15px;
        border-radius: 10px;
    }
    """

    with gr.Blocks(
            title="Browser Use WebUI", theme=theme_map[theme_name], css=css
    ) as demo:
        with gr.Row():
            gr.Markdown(
                """
                # 🌐 Browser Use WebUI
                ### Control your browser with AI assistance
                """,
                elem_classes=["header-text"],
            )

        with gr.Tabs() as tabs:
            with gr.TabItem("⚙️ Agent Settings", id=1):
                with gr.Group():
                    agent_type = gr.Radio(
                        ["org", "custom"],
                        label="Agent Type",
                        value=config['agent_type'],
                        info="Select the type of agent to use",
                    )
                    with gr.Column():
                        max_steps = gr.Slider(
                            minimum=1,
                            maximum=200,
                            value=config['max_steps'],
                            step=1,
                            label="Max Run Steps",
                            info="Maximum number of steps the agent will take",
                        )
                        max_actions_per_step = gr.Slider(
                            minimum=1,
                            maximum=20,
                            value=config['max_actions_per_step'],
                            step=1,
                            label="Max Actions per Step",
                            info="Maximum number of actions the agent will take per step",
                        )
                    with gr.Column():
                        use_vision = gr.Checkbox(
                            label="Use Vision",
                            value=config['use_vision'],
                            info="Enable visual processing capabilities",
                        )
                        tool_calling_method = gr.Dropdown(
                            label="Tool Calling Method",
                            value=config['tool_calling_method'],
                            interactive=True,
                            allow_custom_value=True,  # Allow users to input custom model names
                            choices=["auto", "json_schema", "function_calling"],
                            info="Tool Calls Funtion Name",
                            visible=False
                        )

            with gr.TabItem("🔧 LLM Configuration", id=2):
                with gr.Group():
                    llm_provider = gr.Dropdown(
                        choices=[provider for provider,model in utils.model_names.items()],
                        label="LLM Provider",
                        value=config['llm_provider'],
                        info="Select your preferred language model provider"
                    )
                    llm_model_name = gr.Dropdown(
                        label="Model Name",
                        choices=utils.model_names['openai'],
                        value=config['llm_model_name'],
                        interactive=True,
                        allow_custom_value=True,  # Allow users to input custom model names
                        info="Select a model from the dropdown or type a custom model name"
                    )
                    llm_num_ctx = gr.Slider(
                        minimum=2**8,
                        maximum=2**16,
                        value=config['llm_num_ctx'],
                        step=1,
                        label="Max Context Length",
                        info="Controls max context length model needs to handle (less = faster)",
                        visible=config['llm_provider'] == "ollama"
                    )
                    llm_temperature = gr.Slider(
                        minimum=0.0,
                        maximum=2.0,
                        value=config['llm_temperature'],
                        step=0.1,
                        label="Temperature",
                        info="Controls randomness in model outputs"
                    )
                    with gr.Row():
                        llm_base_url = gr.Textbox(
                            label="Base URL",
                            value=config['llm_base_url'],
                            info="API endpoint URL (if required)"
                        )
                        llm_api_key = gr.Textbox(
                            label="API Key",
                            type="password",
                            value=config['llm_api_key'],
                            info="Your API key (leave blank to use .env)"
                        )

            # Change event to update context length slider
            def update_llm_num_ctx_visibility(llm_provider):
                return gr.update(visible=llm_provider == "ollama")

            # Bind the change event of llm_provider to update the visibility of context length slider
            llm_provider.change(
                fn=update_llm_num_ctx_visibility,
                inputs=llm_provider,
                outputs=llm_num_ctx
            )

            with gr.TabItem("🌐 Browser Settings", id=3):
                with gr.Group():
                    with gr.Row():
                        use_own_browser = gr.Checkbox(
                            label="Use Own Browser",
                            value=config['use_own_browser'],
                            info="Use your existing browser instance",
                        )
                        keep_browser_open = gr.Checkbox(
                            label="Keep Browser Open",
                            value=config['keep_browser_open'],
                            info="Keep Browser Open between Tasks",
                        )
                        headless = gr.Checkbox(
                            label="Headless Mode",
                            value=config['headless'],
                            info="Run browser without GUI",
                        )
                        disable_security = gr.Checkbox(
                            label="Disable Security",
                            value=config['disable_security'],
                            info="Disable browser security features",
                        )
                        enable_recording = gr.Checkbox(
                            label="Enable Recording",
                            value=config['enable_recording'],
                            info="Enable saving browser recordings",
                        )

                    with gr.Row():
                        window_w = gr.Number(
                            label="Window Width",
                            value=config['window_w'],
                            info="Browser window width",
                        )
                        window_h = gr.Number(
                            label="Window Height",
                            value=config['window_h'],
                            info="Browser window height",
                        )

                    save_recording_path = gr.Textbox(
                        label="Recording Path",
                        placeholder="e.g. ./tmp/record_videos",
                        value=config['save_recording_path'],
                        info="Path to save browser recordings",
                        interactive=True,  # Allow editing only if recording is enabled
                    )

                    save_trace_path = gr.Textbox(
                        label="Trace Path",
                        placeholder="e.g. ./tmp/traces",
                        value=config['save_trace_path'],
                        info="Path to save Agent traces",
                        interactive=True,
                    )

                    save_agent_history_path = gr.Textbox(
                        label="Agent History Save Path",
                        placeholder="e.g., ./tmp/agent_history",
                        value=config['save_agent_history_path'],
                        info="Specify the directory where agent history should be saved.",
                        interactive=True,
                    )

            with gr.TabItem("🤖 Run Agent", id=4):
                task = gr.Textbox(
                    label="Task Description",
                    lines=4,
                    placeholder="Enter your task here...",
                    value=config['task'],
                    info="Describe what you want the agent to do",
                )
                add_infos = gr.Textbox(
                    label="Additional Information",
                    lines=3,
                    placeholder="Add any helpful context or instructions...",
                    info="Optional hints to help the LLM complete the task",
                )

                with gr.Row():
                    run_button = gr.Button("▶️ Run Agent", variant="primary", scale=2)
                    stop_button = gr.Button("⏹️ Stop", variant="stop", scale=1)
                    
                with gr.Row():
                    browser_view = gr.HTML(
                        value="<h1 style='width:80vw; height:50vh'>Waiting for browser session...</h1>",
                        label="Live Browser View",
                )
            
            with gr.TabItem("🧐 Deep Research", id=5):
                research_task_input = gr.Textbox(label="Research Task", lines=5, value="Compose a report on the use of Reinforcement Learning for training Large Language Models, encompassing its origins, current advancements, and future prospects, substantiated with examples of relevant models and techniques. The report should reflect original insights and analysis, moving beyond mere summarization of existing literature.")
                with gr.Row():
                    max_search_iteration_input = gr.Number(label="Max Search Iteration", value=3, precision=0) # precision=0 确保是整数
                    max_query_per_iter_input = gr.Number(label="Max Query per Iteration", value=1, precision=0) # precision=0 确保是整数
                with gr.Row():
                    research_button = gr.Button("▶️ Run Deep Research", variant="primary", scale=2)
                    stop_research_button = gr.Button("⏹️ Stop", variant="stop", scale=1)
                markdown_output_display = gr.Markdown(label="Research Report")
                markdown_download = gr.File(label="Download Research Report")


            with gr.TabItem("📊 Results", id=6):
                with gr.Group():

                    recording_display = gr.Video(label="Latest Recording")

                    gr.Markdown("### Results")
                    with gr.Row():
                        with gr.Column():
                            final_result_output = gr.Textbox(
                                label="Final Result", lines=3, show_label=True
                            )
                        with gr.Column():
                            errors_output = gr.Textbox(
                                label="Errors", lines=3, show_label=True
                            )
                    with gr.Row():
                        with gr.Column():
                            model_actions_output = gr.Textbox(
                                label="Model Actions", lines=3, show_label=True
                            )
                        with gr.Column():
                            model_thoughts_output = gr.Textbox(
                                label="Model Thoughts", lines=3, show_label=True
                            )

                    trace_file = gr.File(label="Trace File")

                    agent_history_file = gr.File(label="Agent History")

                # Bind the stop button click event after errors_output is defined
                stop_button.click(
                    fn=stop_agent,
                    inputs=[],
                    outputs=[errors_output, stop_button, run_button],
                )

                # Run button click handler
                run_button.click(
                    fn=run_with_stream,
                        inputs=[
                            agent_type, llm_provider, llm_model_name, llm_num_ctx, llm_temperature, llm_base_url, llm_api_key,
                            use_own_browser, keep_browser_open, headless, disable_security, window_w, window_h,
                            save_recording_path, save_agent_history_path, save_trace_path,  # Include the new path
                            enable_recording, task, add_infos, max_steps, use_vision, max_actions_per_step, tool_calling_method
                        ],
                    outputs=[
                        browser_view,           # Browser view
                        final_result_output,    # Final result
                        errors_output,          # Errors
                        model_actions_output,   # Model actions
                        model_thoughts_output,  # Model thoughts
                        recording_display,      # Latest recording
                        trace_file,             # Trace file
                        agent_history_file,     # Agent history file
                        stop_button,            # Stop button
                        run_button              # Run button
                    ],
                )
                
                # Run Deep Research
                research_button.click(
                        fn=run_deep_search,
                        inputs=[research_task_input, max_search_iteration_input, max_query_per_iter_input, llm_provider, llm_model_name, llm_num_ctx, llm_temperature, llm_base_url, llm_api_key, use_vision, use_own_browser, headless],
                        outputs=[markdown_output_display, markdown_download, stop_research_button, research_button]
                )
                # Bind the stop button click event after errors_output is defined
                stop_research_button.click(
                    fn=stop_research_agent,
                    inputs=[],
                    outputs=[stop_research_button, research_button],
                )

            with gr.TabItem("🎥 Recordings", id=7):
                def list_recordings(save_recording_path):
                    if not os.path.exists(save_recording_path):
                        return []

                    # Get all video files
                    recordings = glob.glob(os.path.join(save_recording_path, "*.[mM][pP]4")) + glob.glob(os.path.join(save_recording_path, "*.[wW][eE][bB][mM]"))

                    # Sort recordings by creation time (oldest first)
                    recordings.sort(key=os.path.getctime)

                    # Add numbering to the recordings
                    numbered_recordings = []
                    for idx, recording in enumerate(recordings, start=1):
                        filename = os.path.basename(recording)
                        numbered_recordings.append((recording, f"{idx}. {filename}"))

                    return numbered_recordings

                recordings_gallery = gr.Gallery(
                    label="Recordings",
                    value=list_recordings(config['save_recording_path']),
                    columns=3,
                    height="auto",
                    object_fit="contain"
                )

                refresh_button = gr.Button("🔄 Refresh Recordings", variant="secondary")
                refresh_button.click(
                    fn=list_recordings,
                    inputs=save_recording_path,
                    outputs=recordings_gallery
                )
            
            with gr.TabItem("📁 Configuration", id=8):
                with gr.Group():
                    config_file_input = gr.File(
                        label="Load Config File",
                        file_types=[".pkl"],
                        interactive=True
                    )

                    load_config_button = gr.Button("Load Existing Config From File", variant="primary")
                    save_config_button = gr.Button("Save Current Config", variant="primary")

                    config_status = gr.Textbox(
                        label="Status",
                        lines=2,
                        interactive=False
                    )

                load_config_button.click(
                    fn=update_ui_from_config,
                    inputs=[config_file_input],
                    outputs=[
                        agent_type, max_steps, max_actions_per_step, use_vision, tool_calling_method,
                        llm_provider, llm_model_name, llm_num_ctx, llm_temperature, llm_base_url, llm_api_key,
                        use_own_browser, keep_browser_open, headless, disable_security, enable_recording,
                        window_w, window_h, save_recording_path, save_trace_path, save_agent_history_path,
                        task, config_status
                    ]
                )

                save_config_button.click(
                    fn=save_current_config,
                    inputs=[
                        agent_type, max_steps, max_actions_per_step, use_vision, tool_calling_method,
                        llm_provider, llm_model_name, llm_num_ctx, llm_temperature, llm_base_url, llm_api_key,
                        use_own_browser, keep_browser_open, headless, disable_security,
                        enable_recording, window_w, window_h, save_recording_path, save_trace_path,
                        save_agent_history_path, task,
                    ],  
                    outputs=[config_status]
                )


        # Attach the callback to the LLM provider dropdown
        llm_provider.change(
            lambda provider, api_key, base_url: update_model_dropdown(provider, api_key, base_url),
            inputs=[llm_provider, llm_api_key, llm_base_url],
            outputs=llm_model_name
        )

        # Add this after defining the components
        enable_recording.change(
            lambda enabled: gr.update(interactive=enabled),
            inputs=enable_recording,
            outputs=save_recording_path
        )

        use_own_browser.change(fn=close_global_browser)
        keep_browser_open.change(fn=close_global_browser)

    return demo

def main():
    parser = argparse.ArgumentParser(description="Gradio UI for Browser Agent")
    parser.add_argument("--ip", type=str, default="127.0.0.1", help="IP address to bind to")
    parser.add_argument("--port", type=int, default=7788, help="Port to listen on")
    parser.add_argument("--theme", type=str, default="Ocean", choices=theme_map.keys(), help="Theme to use for the UI")
    parser.add_argument("--dark-mode", action="store_true", help="Enable dark mode")
    args = parser.parse_args()

    config_dict = default_config()

    demo = create_ui(config_dict, theme_name=args.theme)
    demo.launch(server_name=args.ip, server_port=args.port)

if __name__ == '__main__':
    main()