import random
from datetime import datetime
from framework.core.base_api import BaseAPI
from framework.config.settings import Config
from framework.core.logger import get_logger

logger = get_logger("MealReminderService")

class MealReminderService(BaseAPI):
    MEAL_PERIODS = {
        "breakfast": {
            "range": (6, 9), "emoji": "🌅", "label": "早餐", "keywords": "早餐|早点|咖啡",
            "greetings": ["早安！中关村的早晨从热腾腾的早点开始 ☀️", "美好的早晨，看看附近有什么好吃的早餐 ☕"]
        },
        "lunch": {
            "range": (10, 13), "emoji": "☀️", "label": "午餐", "keywords": "餐厅|快餐|中餐",
            "greetings": ["午饭时间到！放下代码，看看公司附近吃什么 🍚", "到点干饭了，为您搜罗了附近的优质午餐 🤔"]
        },
        "afternoon_tea": {
            "range": (14, 16), "emoji": "🍰", "label": "下午茶", "keywords": "甜品|饮品|咖啡",
            "greetings": ["下午茶时间～来点甜的补充能量 🧁", "三点几嚟，饮茶先啦！🫖"]
        },
        "dinner": {
            "range": (17, 20), "emoji": "🌆", "label": "晚餐", "keywords": "特色菜|火锅|烧烤|餐厅",
            "greetings": ["下班啦！中关村的夜晚，吃顿好的犒劳自己 🎉", "晚餐时间到，看看壹号周边有哪些人气餐厅 🍽️"]
        },
        "late_night": {
            "range": (21, 5), "emoji": "🌙", "label": "夜宵", "keywords": "烧烤|宵夜|快餐",
            "greetings": ["深夜食堂正式营业！🏮", "加班辛苦了，看看附近有什么深夜美食 🌙"]
        },
    }

    def __init__(self):
        super().__init__("https://restapi.amap.com") # 高德 API 基地址

    def get_current_period(self) -> dict:
        hour = datetime.now().hour
        for period_info in self.MEAL_PERIODS.values():
            start, end = period_info["range"]
            if start <= end:
                if start <= hour <= end: return period_info
            else:
                if hour >= start or hour <= end: return period_info
        return self.MEAL_PERIODS["lunch"]

    def fetch_nearby_restaurants(self, keywords: str) -> list:
        endpoint = "/v3/place/around"
        params = {
            "key": Config.AMAP_KEY,
            "location": Config.AMAP_COORDINATES,
            "keywords": keywords,
            "types": "050000", # 餐饮服务
            "radius": 1000,
            "sortrule": "weight",
            "offset": 10,
            "page": 1,
            "extensions": "all"
        }
        try:
            # BaseAPI.request 默认会拼 BASE_URL，这里高德是不同的地址，手动处理或实例化时指定
            import requests # 临时直接用 requests，或者修改 BaseAPI 支持绝对路径
            resp = requests.get(f"{self.base_url}{endpoint}", params=params, timeout=5)
            data = resp.json()
            if data.get("status") == "1":
                return data.get("pois", [])
        except Exception as e:
            logger.error(f"高德 API 调用失败: {e}")
        return []

    def build_card(self) -> dict:
        period = self.get_current_period()
        greeting = random.choice(period["greetings"])
        pois = self.fetch_nearby_restaurants(period["keywords"])
        
        elements = [{"tag": "div", "text": {"tag": "lark_md", "content": f"**{greeting}**"}}, {"tag": "hr"}]
        
        if pois:
            for poi in pois[:5]:
                name = poi.get("name", "未知餐厅")
                biz_ext = poi.get("biz_ext", {})
                rating = biz_ext.get("rating") if isinstance(biz_ext, dict) else "暂无"
                distance = poi.get("distance", "未知")
                elements.append({
                    "tag": "div",
                    "text": {"tag": "lark_md", "content": f"🏠 **{name}**\n⭐️ 评分: {rating} | 📍 距离: {distance}m"}
                })
        else:
            elements.append({"tag": "div", "text": {"tag": "lark_md", "content": "⚠️ 暂时没搜到附近的店"}})

        elements.extend([{"tag": "hr"}, {"tag": "note", "elements": [{"tag": "plain_text", "content": f"🕒 {datetime.now().strftime('%H:%M')}"}]}])
        
        return {
            "header": {"title": {"tag": "plain_text", "content": f"{period['emoji']} 饭否 · {period['label']}实时推荐"}, "template": "orange"},
            "elements": elements
        }