# -*- coding: utf-8 -*-
# @Time    : 2025/1/1
# @Author  : nipurnagarwal
# @Email   : nipurnagarwal26@gmail.com
# @Project : browser-use-100XPrompt
# @FileName: 100XPrompt.py

import pdb

from dotenv import load_dotenv

load_dotenv()
import argparse
import os

import gradio as gr
import argparse


from gradio.themes import Base, Default, Soft, Monochrome, Glass
import asyncio
import os, glob
from browser_use.agent.service import Agent
from browser_use.browser.browser import Browser, BrowserConfig
from browser_use.browser.context import (
    BrowserContextConfig,
    BrowserContextWindowSize,
)
from playwright.async_api import async_playwright

from src.agent.custom_agent import CustomAgent
from src.agent.custom_prompts import CustomSystemPrompt
from src.browser.custom_browser import CustomBrowser
from src.browser.custom_context import BrowserContextConfig
from src.controller.custom_controller import CustomController
from src.utils import utils
from src.utils.utils import update_model_dropdown
from src.browser.config import BrowserPersistenceConfig
from src.browser.custom_browser import CustomBrowser
from src.browser.custom_context import CustomBrowserContext
from browser_use.browser.browser import BrowserConfig
from browser_use.browser.context import BrowserContextConfig, BrowserContextWindowSize
import platform
import logging

logger = logging.getLogger(__name__)

# Global variables for persistence and control
_global_browser = None
_global_browser_context = None
_current_agent = None
_stop_event = asyncio.Event()
_agent_state = None

class BrowserNotFoundError(Exception):
    pass

class AgentState:
    def __init__(self, task, step_info, browser_state=None):
        self.task = task
        self.step_info = step_info
        self.browser_state = browser_state
        self.last_result = None
        self.message_history = None

async def stop_agent():
    """Stop the currently running agent"""
    global _stop_event, _current_agent, _agent_state
    if _current_agent:
        _stop_event.set()
        # Store current state
        if hasattr(_current_agent, 'browser_context'):
            browser_state = await _current_agent.browser_context.get_state(use_vision=_current_agent.use_vision)
            _agent_state = AgentState(
                task=_current_agent.task,
                step_info=_current_agent.step_info if hasattr(_current_agent, 'step_info') else None,
                browser_state=browser_state
            )
            # Store the last result and message history
            if hasattr(_current_agent, '_last_result'):
                _agent_state.last_result = _current_agent._last_result
            if hasattr(_current_agent, 'message_manager'):
                _agent_state.message_history = _current_agent.message_manager.get_messages()
    return True

async def resume_agent(new_task):
    """Resume agent with new instructions"""
    global _stop_event, _current_agent, _agent_state
    if _agent_state and _current_agent:
        _stop_event.clear()
        
        # Update task while preserving state
        _current_agent.task = new_task
        if hasattr(_current_agent, 'step_info') and _current_agent.step_info:
            _current_agent.step_info.task = new_task
            # Preserve the step number and memory
            _current_agent.step_info.step_number = _agent_state.step_info.step_number
            _current_agent.step_info.memory = _agent_state.step_info.memory
            _current_agent.step_info.task_progress = _agent_state.step_info.task_progress
        
        # Restore browser state if available
        if _agent_state.browser_state and hasattr(_current_agent, 'browser_context'):
            # Update the message manager with the current state
            _current_agent.message_manager.add_state_message(
                _agent_state.browser_state,
                _current_agent._last_result,
                _current_agent.step_info
            )
        
        # Clear the stored state since we've restored it
        _agent_state = None
        return True
    return False

async def run_browser_agent(
        agent_type,
        llm_provider,
        llm_model_name,
        llm_temperature,
        llm_base_url,
        llm_api_key,
        use_own_browser,
        browser_type,
        keep_browser_open,
        headless,
        disable_security,
        window_w,
        window_h,
        save_recording_path,
        save_trace_path,
        enable_recording,
        task,
        add_infos,
        max_steps,
        use_vision,
        max_actions_per_step,
        tool_call_in_content
):
    global _current_agent, _stop_event

    # Reset stop event
    _stop_event = asyncio.Event()

    # 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]"))
        )

    # Run the agent
    llm = utils.get_llm_model(
        provider=llm_provider,
        model_name=llm_model_name,
        temperature=llm_temperature,
        base_url=llm_base_url,
        api_key=llm_api_key,
    )

    try:
        if agent_type == "org":
            final_result, errors, model_actions, model_thoughts = await run_org_agent(
                llm=llm,
                use_own_browser=use_own_browser,
                browser_type=browser_type,
                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_trace_path=save_trace_path,
                task=task,
                max_steps=max_steps,
                use_vision=use_vision,
                max_actions_per_step=max_actions_per_step,
                tool_call_in_content=tool_call_in_content
            )
        elif agent_type == "custom":
            final_result, errors, model_actions, model_thoughts = await run_custom_agent(
                llm=llm,
                use_own_browser=use_own_browser,
                browser_type=browser_type,
                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_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_call_in_content=tool_call_in_content
            )
        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

    except asyncio.CancelledError:
        return "Agent stopped", "", "Agent execution was stopped", "", None


async def run_org_agent(
        llm,
        use_own_browser,
        browser_type,
        keep_browser_open,
        headless,
        disable_security,
        window_w,
        window_h,
        save_recording_path,
        save_trace_path,
        task,
        max_steps,
        use_vision,
        max_actions_per_step,
        tool_call_in_content

):
    try:
        global _global_browser, _global_browser_context
        if use_own_browser:
            chrome_path = os.getenv("CHROME_PATH", None)
            if chrome_path == "":
                chrome_path = None
        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=[f"--window-size={window_w},{window_h}"],
                )
            )

        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
                    ),
                )
            )

        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_call_in_content=tool_call_in_content
        )
        history = await agent.run(max_steps=max_steps)

        final_result = history.final_result()
        errors = history.errors()
        model_actions = history.model_actions()
        model_thoughts = history.model_thoughts()
        return final_result, errors, model_actions, model_thoughts
    except Exception as e:
        import traceback
        traceback.print_exc()
        errors = str(e) + "\n" + traceback.format_exc()
        return '', errors, '', ''
    finally:
        # 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,
        browser_type,
        keep_browser_open,
        headless,
        disable_security,
        window_w,
        window_h,
        save_recording_path,
        save_trace_path,
        task,
        add_infos,
        max_steps,
        use_vision,
        max_actions_per_step,
        tool_call_in_content
):
    try:
        global _global_browser, _global_browser_context, _current_agent, _stop_event, _agent_state

        if use_own_browser:
            if browser_type == "Arc":
                chrome_path = "/Applications/Arc.app/Contents/MacOS/Arc"
                if not os.path.exists(chrome_path):
                    raise BrowserNotFoundError("Arc browser not found. Please install Arc or select Chrome.")
            else:
                chrome_path = os.getenv("CHROME_PATH", None)
                if chrome_path == "":
                    chrome_path = None
        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=[f"--window-size={window_w},{window_h}"],
                )
            )

        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 _current_agent is None:
            _current_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,
                max_actions_per_step=max_actions_per_step,
                tool_call_in_content=tool_call_in_content,
                stop_event=_stop_event
            )
        else:
            # Update existing agent with new task and settings
            _current_agent.task = task
            _current_agent.add_infos = add_infos
            _current_agent.use_vision = use_vision
            _current_agent.llm = llm
            _current_agent.max_actions_per_step = max_actions_per_step
            _current_agent.tool_call_in_content = tool_call_in_content
            _current_agent.stop_event = _stop_event

        # Run the agent
        history = await _current_agent.run(max_steps=max_steps)

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

    except Exception as e:
        import traceback
        traceback.print_exc()
        errors = str(e) + "\n" + traceback.format_exc()
        return '', errors, '', ''
    finally:
        # 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
                _current_agent = None  # Clear the current agent if browser is closed


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

async def close_global_browser():
    global _global_browser, _global_browser_context
    try:
        if _global_browser_context:
            await _global_browser_context.close()
            _global_browser_context = None

        if _global_browser:
            await _global_browser.close()
            _global_browser = None
    except Exception as e:
        logger.error(f"Error closing browser: {str(e)}")

def create_ui(theme_name="Default"):
    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;
    }
    """

    js = """
    function refresh() {
        const url = new URL(window.location);
        if (url.searchParams.get('__theme') !== 'dark') {
            url.searchParams.set('__theme', 'dark');
            window.location.href = url.href;
        }
    }
    """

    with gr.Blocks(
            title="Browser Use 100XPrompt", theme=theme_map[theme_name], css=css, js=js
    ) as demo:
        with gr.Row():
            gr.Markdown(
                """
                # 🌐 100XPrompt
                ### Control your browser with 100X Prompt 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="custom",
                        info="Select the type of agent to use",
                    )
                    max_steps = gr.Slider(
                        minimum=1,
                        maximum=200,
                        value=100,
                        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=10,
                        step=1,
                        label="Max Actions per Step",
                        info="Maximum number of actions the agent will take per step",
                    )
                    use_vision = gr.Checkbox(
                        label="Use Vision",
                        value=True,
                        info="Enable visual processing capabilities",
                    )
                    tool_call_in_content = gr.Checkbox(
                        label="Use Tool Calls in Content",
                        value=True,
                        info="Enable Tool Calls in content",
                    )

            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="openai",
                        info="Select your preferred language model provider"
                    )
                    llm_model_name = gr.Dropdown(
                        label="Model Name",
                        choices=utils.model_names['openai'],
                        value="gpt-4o",
                        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_temperature = gr.Slider(
                        minimum=0.0,
                        maximum=2.0,
                        value=1.0,
                        step=0.1,
                        label="Temperature",
                        info="Controls randomness in model outputs"
                    )
                    with gr.Row():
                        llm_base_url = gr.Textbox(
                            label="Base URL",
                            value='',
                            info="API endpoint URL (if required)"
                        )
                        llm_api_key = gr.Textbox(
                            label="API Key",
                            type="password",
                            value='',
                            info="Your API key (leave blank to use .env)"
                        )

            with gr.TabItem("🌐 Browser Settings", id=3):
                with gr.Group():
                    with gr.Row():
                        browser_type = gr.Dropdown(
                            choices=["Chrome", "Arc"] if platform.system() == "Darwin" else ["Chrome"],
                            label="Browser Type",
                            value="Chrome",
                            info="Select browser to use (Arc available only on macOS)",
                        )
                        use_own_browser = gr.Checkbox(
                            label="Use Own Browser",
                            value=False,
                            info="Use your existing browser instance",
                        )
                        keep_browser_open = gr.Checkbox(
                            label="Keep Browser Open",
                            value=os.getenv("CHROME_PERSISTENT_SESSION", "False").lower() == "true",
                            info="Keep Browser Open between Tasks",
                        )
                        headless = gr.Checkbox(
                            label="Headless Mode",
                            value=False,
                            info="Run browser without GUI",
                        )
                        disable_security = gr.Checkbox(
                            label="Disable Security",
                            value=True,
                            info="Disable browser security features",
                        )
                        enable_recording = gr.Checkbox(
                            label="Enable Recording",
                            value=True,
                            info="Enable saving browser recordings",
                        )

                    with gr.Row():
                        window_w = gr.Number(
                            label="Window Width",
                            value=1280,
                            info="Browser window width",
                        )
                        window_h = gr.Number(
                            label="Window Height",
                            value=1100,
                            info="Browser window height",
                        )

                    save_recording_path = gr.Textbox(
                        label="Recording Path",
                        placeholder="e.g. ./tmp/record_videos",
                        value="./tmp/record_videos",
                        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="./tmp/traces",
                        info="Path to save Agent traces",
                        interactive=True,
                    )

            with gr.TabItem("🤖 Run Agent", id=4):
                task = gr.Textbox(
                    label="Task Description",
                    lines=4,
                    placeholder="Enter your task here...",
                    value="go to google.com and type 'OpenAI' click search and give me the first url",
                    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",
                )

                # Define output components first
                with gr.Group():
                    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
                            )
                    recording_display = gr.Video(label="Latest Recording")

                with gr.Row():
                    run_button = gr.Button("▶️ Run Agent", variant="primary", scale=2)
                    stop_button = gr.Button("⏹️ Stop", variant="stop", scale=1)
                    resume_button = gr.Button("⏵️ Resume", variant="secondary", scale=1)

                # Add event handlers for stop and resume
                stop_button.click(
                    fn=stop_agent,
                    inputs=[],
                    outputs=[],
                )

                resume_button.click(
                    fn=resume_agent,
                    inputs=[task],
                    outputs=[],
                ).then(
                    fn=run_browser_agent,
                    inputs=[
                        agent_type, llm_provider, llm_model_name, llm_temperature, llm_base_url, llm_api_key,
                        use_own_browser, browser_type, keep_browser_open, headless, disable_security, window_w, window_h,
                        save_recording_path, save_trace_path, enable_recording, task, add_infos, max_steps,
                        use_vision, max_actions_per_step, tool_call_in_content
                    ],
                    outputs=[final_result_output, errors_output, model_actions_output, model_thoughts_output, recording_display],
                )

                # Add run button handler
                run_button.click(
                    fn=run_browser_agent,
                    inputs=[
                        agent_type, llm_provider, llm_model_name, llm_temperature, llm_base_url, llm_api_key,
                        use_own_browser, browser_type, keep_browser_open, headless, disable_security, window_w, window_h,
                        save_recording_path, save_trace_path, enable_recording, task, add_infos, max_steps,
                        use_vision, max_actions_per_step, tool_call_in_content
                    ],
                    outputs=[final_result_output, errors_output, model_actions_output, model_thoughts_output, recording_display],
                )

            with gr.TabItem("🎥 Recordings", id=6):
                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("./tmp/record_videos"),
                    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
                )

        # 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
        )

        # Add the change handler here, inside the Blocks context
        def update_browser_type(use_own):
            return gr.update(interactive=use_own)

        use_own_browser.change(
            fn=update_browser_type,
            inputs=use_own_browser,
            outputs=browser_type
        )

    return demo

def main():
    parser = argparse.ArgumentParser(description="Gradio UI for Browser Agent")
    parser.add_argument("--ip", type=str, default="0.0.0.0", help="IP address to bind to")  # Change to 0.0.0.0
    parser.add_argument("--port", type=int, default=7788, help="Port to listen on")
    parser.add_argument("--theme", type=str, default="Default", choices=list(theme_map.keys()))
    parser.add_argument("--share", action="store_true", help="Enable sharing of the UI")
    args = parser.parse_args()

    demo = create_ui(theme_name=args.theme)
    demo.launch(server_name="0.0.0.0", server_port=7788, share=True)  # Add share=True here
if __name__ == '__main__':
    main()