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

from Gradio_UI import GradioUI

# 導入基本工具
@tool
def random_number_generator(min_value: int, max_value: int) -> int:
    """生成指定範圍內的隨機整數
    Args:
        min_value: 隨機數的最小值
        max_value: 隨機數的最大值
    """
    import random
    return random.randint(min_value, max_value)

@tool
def calculate_days_between(start_date: str, end_date: str) -> int:
    """計算兩個日期之間的天數差異
    Args:
        start_date: 開始日期，格式為 YYYY-MM-DD
        end_date: 結束日期，格式為 YYYY-MM-DD
    """
    try:
        start = datetime.datetime.strptime(start_date, "%Y-%m-%d")
        end = datetime.datetime.strptime(end_date, "%Y-%m-%d")
        delta = end - start
        return delta.days
    except Exception as e:
        return f"錯誤：{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()
web_search = DuckDuckGoSearchTool()
visit_webpage = VisitWebpageTool()

# 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_current_time_in_timezone,
        random_number_generator,
        calculate_days_between,
        web_search,
        visit_webpage
    ],  # 添加您的工具
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()