from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
import re
from tools.final_answer import FinalAnswerTool


from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
    #Keep this format for the description / args / args description but feel free to modify the tool
    """A tool that does nothing yet 
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return "What magic will you build ?"

@tool
def get_bibtex_citation(title: str) -> str:
    """Retrieves the citation of a particular paper in the specified style
    Args:
        title: Title of the work to cite in the bibtex format"""
    try:
        search_url = f"https://api.crossref.org/works?query.title={title.replace(' ', '+')}&rows=1"
        response = requests.get(search_url)
        data = response.json()

        if data['message']['total-results'] == 0:
            return f"No results found for '{title}'"

        paper = data['message']['items'][0]
        doi = paper.get('DOI')

        if not doi:
            return f"No DOI found for paper: {paper.get('title', [''])[0]}"
        
        bibtex_url = f"https://www.doi2bib.org/bib/{doi}"
        bibtex_response = requests.get(bibtex_url)
        
        if bibtex_response.status_code != 200:
            return f"Error accessing doi2bib.org: Status code {bibtex_response.status_code}"
        
        html = bibtex_response.text
        bibtex_match = re.search(r'<pre class="bibtex-code text-left">.*?<code>(.*?)</code>', html, re.DOTALL)

        if bibtex_match:
            bibtex = bibtex_match.group(1)
            return bibtex.strip()
        
    except Exception as e:
        return f"Error generating citation: {str(e)}"

        
@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()

# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 

model = HfApiModel(
max_tokens=2096,
temperature=0.5,
model_id='Qwen/Qwen2.5-Coder-7B-Instruct',
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=[final_answer, get_bibtex_citation], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()