from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
import subprocess
from typing import Dict, Optional

from Gradio_UI import GradioUI

@tool
def execute_shell_command(
    command: str,
    shell: bool = True,
    cwd: Optional[str] = None,
    timeout: Optional[int] = None
) -> Dict[str, str]:
    """
    Execute a shell command and return its output.
    
    Args:
        command: Command to execute as a string
        shell: Whether to execute command through shell
        cwd: Working directory for command execution
        timeout: Timeout in seconds
    
    Returns:
        Dictionary containing stdout, stderr, and return_code
    """
    try:
        process = subprocess.Popen(
            command,
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
            shell=shell,
            cwd=cwd,
            universal_newlines=True
        )
        
        stdout, stderr = process.communicate(timeout=timeout)
        return_code = process.returncode
        
        # Format output more concisely
        if return_code == 0:
            return {
                "stdout": stdout.strip(),
                "stderr": "",
                "return_code": "0"
            }
        else:
            return {
                "stdout": "",
                "stderr": stderr.strip(),
                "return_code": str(return_code)
            }
        
    except subprocess.TimeoutExpired:
        process.kill()
        return {
            "stdout": "",
            "stderr": f"Timeout after {timeout}s",
            "return_code": "-1"
        }
    except Exception as e:
        return {
            "stdout": "",
            "stderr": str(e),
            "return_code": "-1"
        }

@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """A tool that fetches the current local time in a specified timezone.
    Args:
        timezone: A string representing a valid timezone (e.g., 'America/New_York').
    """
    try:
        # Create timezone object
        tz = pytz.timezone(timezone)
        # Get current time in that timezone
        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
        return f"The current local time in {timezone} is: {local_time}"
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"


final_answer = FinalAnswerTool()
search_tool = DuckDuckGoSearchTool()
model = HfApiModel(
    max_tokens=1024,
    temperature=0.5,
    model_id='https://wxknx1kg971u7k1n.us-east-1.aws.endpoints.huggingface.cloud',
    custom_role_conversions=None,
)


# Import tool from Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[execute_shell_command, image_generation_tool, search_tool, final_answer],
    max_steps=3,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


if __name__ == "__main__":
    GradioUI(agent).launch()