from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
from dateutil import parser
from typing import Optional
import datetime
import requests
import pytz
import yaml
import json
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 !
def parse_date(date_str: str) -> datetime.datetime: # Note the type hint change
    try:
        return parser.parse(date_str)
    except:
        return datetime.datetime.now()

@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_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)}"



@tool
def get_horoscope(sign: str, date: str = None, language: str = "EN") -> str:
    """
    Fetches the horoscope for a given zodiac sign and date.
    Uses the ExaWeb API. Defaults to today if no date is provided.

    Args:
        sign: Zodiac sign (e.g., Aries, Taurus, Gemini)
        date: Date in any format (optional)
        language: Language code (e.g., 'EN' for English, 'HI' for Hindi)
    """
    try:
        if date:
            date_obj = parser.parse(date)
        else:
            date_obj = datetime.datetime.now()
        
        formatted_date = date_obj.strftime("%d-%m-%Y")
        
        params = {
            "rashi": sign.upper(),
            "language": language,
            "day": formatted_date
        }
        url = "https://api.exaweb.in:3004/api/rashi"

        response = requests.get(url, params=params)
        response.raise_for_status()  # Raise an exception for HTTP errors (4xx or 5xx)
        
        data = response.json()
        sign_data = data.get(sign.upper())

        if sign_data:
            return json.dumps(sign_data) # Return the full data as a JSON string for the agent to parse
        
        return f"INFO: No horoscope found for sign: {sign}"

    except requests.exceptions.RequestException as e:
        return f"ERROR: [get_horoscope]: Network error while fetching horoscope: {e}"
    except json.JSONDecodeError:
        return f"ERROR: [get_horoscope]: Failed to parse a valid JSON response from the API."
    except Exception as e:
        return f"ERROR: [get_horoscope]: An unexpected error occurred: {str(e)}"






        
@tool
def get_date_panchang(date: str = None, data_language: str = "EN") -> str:
    """
    Fetches the Panchang data for a given date.
    If the user does not provide a date, use today's real date.

    Args:
        date: Date in any format (optional).
        data_language: Language of the Panchang data (e.g., 'EN' for English, 'HI' for Hindi).
    """

    try:
        if not date:
            now = datetime.datetime.now()
        else:
            now = parser.parse(date)
        
        api_date = now.strftime("%d/%m/%y")
        
        url = (
            f"https://api.exaweb.in:3004/api/panchang/daily?"
            f"date={api_date}&app_language=EN&data_language={data_language}"
        )
        headers = { "api_key": "anvl_bharat_cal123", 
                    "Content-Type": "application/json" }
        
        response = requests.get(url, headers=headers)
        response.raise_for_status()
        
        data = response.json()


        if not isinstance(data, dict) or not data:
            return "ERROR: [get_date_panchang]: Received empty or invalid data from API."

        summary = {
            "date": data.get("date", "N/A"),
            "location": data.get("location", "N/A"),
            "Sunrise": data.get("Sunrise", []),
            "Sunset": data.get("Sunset", []),
            "Tithi": data.get("Tithi", []),
            "Nakshatra": data.get("Nakshatra", []),
            "Yoga": data.get("Yoga", []),
            "Karana": data.get("Karana", []),
            "Festivals": data.get("festivals", []),
        }
        

        sunrise_str = ', '.join(map(str, summary['Sunrise'])) or 'N/A'
        sunset_str = ', '.join(map(str, summary['Sunset'])) or 'N/A'
        tithi_str = ', '.join(map(str, summary['Tithi'])) or 'N/A'
        nakshatra_str = ', '.join(map(str, summary['Nakshatra'])) or 'N/A'
        yoga_str = ', '.join(map(str, summary['Yoga'])) or 'N/A'
        karana_str = ', '.join(map(str, summary['Karana'])) or 'N/A'
        festivals_str = ', '.join(f for f in map(str, summary['Festivals']) if f.strip().upper() != 'NA') or 'None'

        return (
            f"Panchang for {summary['date']} in {summary['location']}:\n"
            f"🌅 Sunrise: {sunrise_str}\n"
            f"🌇 Sunset: {sunset_str}\n"
            f"📜 Tithi: {tithi_str}\n"
            f"✨ Nakshatra: {nakshatra_str}\n"
            f"🧘 Yoga: {yoga_str}\n"
            f"🔺 Karana: {karana_str}\n"
            f"🎉 Festivals: {festivals_str}"
        )

    except requests.exceptions.RequestException as e:
        return f"ERROR: [get_date_panchang]: Network error while fetching Panchang: {e}"
    except json.JSONDecodeError:
        return f"ERROR: [get_date_panchang]: Failed to parse a valid JSON response from the API."
    except Exception as e:
        return f"ERROR: [get_date_panchang]: An unexpected error occurred: {str(e)}"






@tool
def get_holidays(year: int = None, app_language: str = "EN", data_language: str = "EN") -> str:
    """
    Fetches holidays from all categories for a given year from ExaWeb API.

    Args:
        year: Year (e.g., 2025). Optional — defaults to current year.
        app_language: App language for API (default: "EN").
        data_language: Data language for holidays (default: "HI").
    """

    if not year:
        year = datetime.datetime.now().year
        
    params = { "app_language": app_language, "data_language": data_language, "year": year }
    headers = { "api_key": "anvl_bharat_cal123", 
                "Content-Type": "application/json" }

    try:
        response = requests.get(
            "https://api.exaweb.in:3004/api/panchang/holiday",
            params=params,
            headers=headers
        )
        response.raise_for_status()
        data = response.json()

        if not isinstance(data, dict):
            return f"INFO: No holiday data found for {year}."

        formatted = []
        # --- ROBUSTNESS: Process only keys whose values are lists (safer than a blocklist) ---
        for category, groups in data.items():
            if isinstance(groups, list):
                formatted.append(f"\n=== {category.replace('_', ' ').title()} ===")
                for group in groups:
                    # The API structure has a nested list, ensure group is a list
                    if isinstance(group, list):
                        for holiday in group:
                             if isinstance(holiday, dict):
                                title = holiday.get("title", "N/A")
                                date = holiday.get("date", "N/A")
                                formatted.append(f"{date}: {title}")
        
        return "\n".join(formatted) if formatted else f"INFO: No holidays found for {year}."

    except requests.exceptions.RequestException as e:
        return f"ERROR: [get_holidays]: Network error fetching holidays: {e}"
    except json.JSONDecodeError:
        return f"ERROR: [get_holidays]: Failed to parse a valid JSON response from the API."
    except Exception as e:
        return f"ERROR: [get_holidays]: An unexpected error occurred: {str(e)}"

@tool
def get_monthly_festivals(year: Optional[int] = None, month: Optional[str] = None, app_language: str = "EN", data_language: str = "EN") -> str:
    """
    Fetches festival data for a specific month and year from the ExaWeb API.
    
    Args:
        year: The year to fetch (e.g., 2025). Defaults to current year.
        month: The full month name to fetch (e.g., "june"). Defaults to current month.
        app_language: The language for the application interface (default: "EN").
        data_language: The language for the festival names (default: "EN").
    """
  
    
    if not year:
        year = datetime.datetime.now().year
    if not month:
        month = datetime.datetime.now().strftime("%B").lower()
    else:
        month = month.lower()

    api_url = "https://api.exaweb.in:3004/api/panchang/festival"
    params = { "year": year, "month": month, "app_language": app_language, "data_language": data_language }
    headers = { "api_key": "anvl_bharat_cal123", 
                 "Content-Type": "application/json" }

    try:
        response = requests.get(api_url, params=params, headers=headers)
        response.raise_for_status()
        data = response.json()

        if not data:
            return f"INFO: No festival data found for {month.capitalize()} {year}."
        
        formatted_lines = []
        for entry in data:
            if isinstance(entry, dict):
                date = entry.get("date", "Unknown date")
                festivals = entry.get("festivals", [])
                
                meaningful_festivals = [f for f in festivals if isinstance(f, str) and f.strip().upper() != "NA"]
                
                if meaningful_festivals:
                    festivals_str = ", ".join(meaningful_festivals)
                    formatted_lines.append(f"{date}: {festivals_str}")

        if not formatted_lines:
            return f"INFO: No festivals found for {month.capitalize()} {year}."
        
        return "\n".join(formatted_lines)

    except requests.exceptions.RequestException as e:
        return f"ERROR: [get_monthly_festivals]: Network error while fetching data: {e}"
    except json.JSONDecodeError:
        return f"ERROR: [get_monthly_festivals]: Failed to parse a valid JSON response from the API."
    except Exception as e:
        return f"ERROR: [get_monthly_festivals]: An unexpected error occurred: {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='sarvamai/sarvam-m',# it is possible that this model may be overloaded
custom_role_conversions=None,
)




with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer, get_current_time_in_timezone, get_horoscope, get_date_panchang, get_holidays, get_monthly_festivals], ## 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()