# coding=utf-8
import hashlib
import logging
import os
import sys
import uuid
from datetime import datetime

# Ensure sys path includes root for imports if not already
project_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
if project_root not in sys.path:
    sys.path.append(project_root)

from DbKit.Db import Db
from Config.Config import DB_URL
from Model.StationProfile import StationProfile
from Model.StationStatus import StationStatus
from Model.StationPriceSchedule import StationPriceSchedule
from Apps.TeLaiDian.Kit import setup_logger

# 初始化日志
logger = setup_logger("TeLaiDianService")

class TeLaiDianService:
    def __init__(self):
        self.db = Db(db_url=DB_URL)
        self.station_profile_model = StationProfile()
        self.station_status_model = StationStatus()
        self.station_price_schedule_model = StationPriceSchedule()
        self.operator = "特来电"

    def generate_id(self):
        return str(uuid.uuid4())

    def get_hash(self, s: str) -> str:
        return hashlib.md5(s.encode('utf-8')).hexdigest()

    async def init_db(self):
        await self.db.init_db()

    async def close_db(self):
        await self.db.close()

    async def save_station_data(self, station_name, address, prices):
        """
        保存场站及其价格数据到数据库
        """
        if not prices:
            return False

        station_hash = self.get_hash(station_name)
        now = datetime.now()

        # 将价格转换为 24 小时的 schedule 格式 (0-23)
        hourly_schedule = [0.0] * 24
        for p in prices:
            try:
                start_hour = int(p['start'].split(':')[0])
                end_hour = int(p['end'].split(':')[0])
                price = float(p['price'])
                
                # 处理跨天的情况（如 23:00 - 01:00）
                curr = start_hour
                while curr != end_hour:
                    hourly_schedule[curr] = price
                    curr = (curr + 1) % 24
            except Exception as e:
                logger.error(f"解析价格时段失败: {p}, error: {e}")

        async with await self.db.get_session() as session:
            # 1. 保存 Profile
            profile_id = self.generate_id()
            await self.station_profile_model.save(
                session=session,
                id=profile_id,
                station_hash=station_hash,
                operator=self.operator,
                station_name=station_name,
                address=address,
                valid_start_time=now
            )

            # 2. 保存价格
            schedule_id = self.generate_id()
            await self.station_price_schedule_model.save(
                session=session,
                id=schedule_id,
                station_hash=station_hash,
                schedule_json=hourly_schedule,
                valid_start_time=now
            )
            await session.commit()
        
        logger.info(f"成功保存场站数据: {station_name}")
        return True