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

from Gradio_UI import GradioUI

@tool
def add_event_to_calendar(event_name: str, start: str, end: str) -> str:
    """A tool that allows you to create events on google calendar. 
        Time should be represented in this format: Y-M-DTH:M:S+utc (for now take utc as 01:00 WAT)
    Args:
        event_name: The name of the event.
        start: The start time of the event represented as a datetime str.
        end: The end time of the event respresented as a datetime str.
    """
    import os
    from google.oauth2 import service_account
    from googleapiclient.discovery import build
    from googleapiclient.errors import HttpError

    # Service account configuration
    SERVICE_ACCOUNT_FILE = "credentials.json"  # Your service account JSON file
    SCOPES = ["https://www.googleapis.com/auth/calendar"]
    PERSONAL_EMAIL = os.environ['PERSONAL_EMAIL']
    CALENDAR_ID = PERSONAL_EMAIL  # Or your specific calendar ID
  
    
    try:
        # Authenticate with service account
        creds = service_account.Credentials.from_service_account_file(
            SERVICE_ACCOUNT_FILE, scopes=SCOPES
        )

        service = build("calendar", "v3", credentials=creds)

        event = {
            'summary': event_name,
            'start': {
                'dateTime': start,
                'timeZone': 'Africa/Lagos',  # Fixed timezone
            },
            'end': {
                'dateTime': end,
                'timeZone': 'Africa/Lagos',
            },
        }

        event = service.events().insert(
            calendarId=CALENDAR_ID,
            body=event
        ).execute()

        return f"Event '{event_name}' added successfully! 🎉"

    except HttpError as error:
        return f"❌ Error: {error}"
    except Exception as e:
        return f"❌ Unexpected error: {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='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud',# it is possible that this model may be overloaded
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, add_event_to_calendar, get_current_time_in_timezone], ## 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()