from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
import feedparser # RSS
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_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_news(rss_url: str, max_items: int) -> str:
    """
    從 rss_url 獲取最新的新聞。

    Args:
        rss_url: https://rthk.hk/rthk/news/rss/c_expressnews_clocal.xml
        max_items: 要顯示的最大新聞條目數量。
    """
    
    # 如果 rss_url 未提供或為空，則使用預設 URL
    url_to_fetch = rss_url if rss_url and rss_url.strip() else DEFAULT_RSS_URL
    
    # 確保 max_items 是正整數，如果不是或未提供，則使用預設值
    try:
        num_items = int(max_items)
        if num_items <= 0:
            num_items = 5 # 預設顯示 5 條
    except (ValueError, TypeError):
        num_items = 5 # 預設顯示 5 條

    try:
        feed = feedparser.parse(url_to_fetch)
        
        if not feed.entries:
            return f"無法從 {url_to_fetch} 獲取新聞，或者 RSS Feed 為空。"

        news_output = f"來自 {url_to_fetch} 的最新新聞 (最多 {num_items} 條)：\n"
        for entry in feed.entries[:num_items]:
            title = entry.get("title", "無標題")
            link = entry.get("link", "#")
            summary = entry.get("summary", "") # 嘗試獲取摘要
            
            news_output += f"- 標題: {title}\n"
            news_output += f"  連結: {link}\n"
            if summary:
                # 簡單清理 HTML 標籤 (如果有的話)，並截斷摘要長度
                import re
                clean_summary = re.sub(r'<[^>]+>', '', summary)
                news_output += f"  摘要: {clean_summary[:100]}...\n" # 顯示前100個字元
            news_output += "\n"
        
        return news_output

    except Exception as e:
        return f"讀取 RSS Feed ({url_to_fetch}) 時發生錯誤：{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-32B-Instruct',# 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, get_news, 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()