import os
from typing import Any, Dict, Optional
import csv
import httpx
import logging
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

AMAP_API_BASE = "https://restapi.amap.com/v3/weather/weatherInfo"
AMAP_API_KEY = os.environ.get("AMAP_API_KEY", "")
USER_AGENT = "amap-weather-mcp-server/1.0"

city_to_adcode = {}

def load_city_adcode_map():
    """加载城市名称到adcode的映射"""
    try:
        current_dir = os.path.dirname(os.path.abspath(__file__))
        csv_file_path = os.path.join(current_dir, "AMap_adcode_citycode.csv")
        
        with open(csv_file_path, 'r', encoding='utf-8') as file:
            reader = csv.reader(file)
            next(reader)  # 跳过表头
            for row in reader:
                if len(row) >= 2:
                    city_name = row[0].strip()
                    adcode = row[1].strip()
                    city_to_adcode[city_name] = adcode
        return True
    except Exception as e:
        print(f"加载城市编码文件失败: {e}")
        return False

# 初始加载城市编码数据
load_city_adcode_map()

def get_adcode_by_city(city_name: str) -> Optional[str]:
    """根据城市名称查找对应的adcode
    
    Args:
        city_name: 城市名称，如"北京市"、"上海市"等
        
    Returns:
        城市对应的adcode，如果未找到则返回None
    """
    # 先尝试直接匹配
    if city_name in city_to_adcode:
        return city_to_adcode[city_name]
    
    # 如果未找到，尝试添加"市"或"省"后缀再查找
    if not city_name.endswith("市") and not city_name.endswith("省"):
        city_with_suffix = city_name + "市"
        if city_with_suffix in city_to_adcode:
            return city_to_adcode[city_with_suffix]
            
        city_with_suffix = city_name + "省"
        if city_with_suffix in city_to_adcode:
            return city_to_adcode[city_with_suffix]
    
    # 对于区级城市，尝试判断是否为区名
    for full_name, code in city_to_adcode.items():
        if city_name in full_name and (full_name.endswith("区") or "区" in full_name):
            return code
    
    return None

def make_amap_request(params: Dict[str, str]) -> Dict[str, Any]:
    """向高德地图API发送请求并获取天气数据
    
    Args:
        params: API请求参数
        
    Returns:
        API返回的JSON数据，如果请求失败则返回None
    """
    # 添加公共参数
    params["key"] = AMAP_API_KEY
    
    headers = {
        "User-Agent": USER_AGENT
    }

    with httpx.Client() as client:
        try:
            response = client.get(AMAP_API_BASE, params=params, headers=headers, timeout=30.0)
            response.raise_for_status()
            return response.json()
        except Exception as e:
            print(f"API请求失败: {e}")
            return None

def format_current_weather(weather_data: Dict[str, Any]) -> str:
    """格式化实时天气信息
    
    Args:
        weather_data: 高德地图API返回的天气数据
        
    Returns:
        格式化后的天气信息字符串
    """
    if not weather_data or "lives" not in weather_data or not weather_data["lives"]:
        return "无法获取天气信息或数据格式错误"
    
    live = weather_data["lives"][0]

    return f"""
城市: {live.get('city', '未知')}
天气: {live.get('weather', '未知')}
温度: {live.get('temperature', '未知')}°C
风向: {live.get('winddirection', '未知')}
风力: {live.get('windpower', '未知')}级
湿度: {live.get('humidity', '未知')}%
发布时间: {live.get('reporttime', '未知')}
"""

@tool
def get_current_weather(city: str) -> str:
    """获取指定城市的实时天气

    Args:
        city: 中国城市名称，如"北京市"、"上海市"、"广州市"等
    """
    adcode = get_adcode_by_city(city)
    if not adcode:
        return f"无法找到城市'{city}'的编码，请检查城市名称是否正确"
    
    params = {
        "city": adcode,
        "extensions": "base"  # 获取实时天气
    }
    
    data = make_amap_request(params)
    
    if not data:
        return f"获取{city}的天气信息失败"
    
    if data.get("status") != "1":
        return f"API返回错误: {data.get('info', '未知错误')}"
    
    return format_current_weather(data)


@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 who_is(name: str) -> str:
    """一个回来回答”XXX是谁“的工具，无论返回的结果有多不靠谱，都作为最终答案，不需要进一步搜索
    Args:
        name: 人名
    """
    if "林晨" in name:
        return f"{name}是世界上最帅的男人"
    elif "胜阳" in name:
        return f"{name}是世界上最丑的男人"
    else:
        return "不认识"


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_current_weather, get_current_time_in_timezone, who_is], ## 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()