package com.chuanghai.ihotel.service.impl;

import com.chuanghai.ihotel.common.exception.BizCodeEnume;
import com.chuanghai.ihotel.common.exception.RRException;
import com.chuanghai.ihotel.component.WaterElectricComponent;
import com.chuanghai.ihotel.entity.RoomThirdSettingEntity;
import com.chuanghai.ihotel.entity.SystemSettingEntity;
import com.chuanghai.ihotel.service.RoomThirdSettingService;
import com.chuanghai.ihotel.service.SystemSettingService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.chuanghai.ihotel.common.utils.PageUtils;
import com.chuanghai.ihotel.common.utils.MyQuery;
import com.chuanghai.ihotel.common.utils.PageParam;

import com.chuanghai.ihotel.dao.HotelOrderBillDao;
import com.chuanghai.ihotel.entity.HotelOrderBillEntity;
import com.chuanghai.ihotel.service.HotelOrderBillService;
import org.springframework.util.StringUtils;

import java.math.BigDecimal;


@Service("hotelOrderBillService")
public class HotelOrderBillServiceImpl extends ServiceImpl<HotelOrderBillDao, HotelOrderBillEntity> implements HotelOrderBillService {

    @Autowired
    private SystemSettingService systemSettingService;
    @Autowired
    private RoomThirdSettingService roomWaterElectricService;
    @Autowired
    private WaterElectricComponent waterElectricComponent;

    @Override
    public PageUtils queryPage(PageParam pageParam) {
        IPage<HotelOrderBillEntity> page = this.page(
                new MyQuery<HotelOrderBillEntity>().getPage(pageParam),
                new QueryWrapper<>()
        );

        return new PageUtils(page);
    }

    @Override
    public HotelOrderBillEntity findByOrderId(Long orderId) {
        QueryWrapper<HotelOrderBillEntity> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("hotel_order_id", orderId);
        queryWrapper.last("limit 1");
        return this.getOne(queryWrapper);
    }

    @Override
    public void generateBill(Long orderId, Long roomId) {
        // 系统设置
        SystemSettingEntity systemSetting = systemSettingService.get();

        // 水电抄表
        RoomThirdSettingEntity waterElectricEntity = roomWaterElectricService.findByRoomId(roomId);
        if (waterElectricEntity == null) {
            throw new RRException(BizCodeEnume.PERMISSION_DENIED, "房间水电表数据读取失败");
        }

        String electricData = waterElectricComponent.queryPowerRealTimeData(waterElectricEntity.getElectricId());
        if (!StringUtils.hasText(electricData)) {
            throw new RRException(BizCodeEnume.UNKNOW_EXCEPTION, "读取电表数据异常");
        }
        String waterData = waterElectricComponent.queryLastHistoryCumulantInfo(waterElectricEntity.getWaterId());
        if (!StringUtils.hasText(waterData)) {
            throw new RRException(BizCodeEnume.UNKNOW_EXCEPTION, "读取电表数据异常");
        }

        // 生成结账单
        HotelOrderBillEntity orderBill = new HotelOrderBillEntity();
        orderBill.setHotelOrderId(orderId);
        orderBill.setRoomId(roomId);
        orderBill.setPriceOfElectric(systemSetting.getPriceOfElectric().toString());
        orderBill.setPriceOfWater(systemSetting.getPriceOfWater().toString());
        orderBill.setStartOfElectric(electricData);
        orderBill.setStartOfWater(waterData);
        orderBill.setTotalFree(new BigDecimal("0"));
        orderBill.setDiscountFree(systemSetting.getFreeTotal());
        orderBill.setShouldFree(new BigDecimal("0"));
        orderBill.setRealFree(new BigDecimal("0"));
        orderBill.setStatu("1"); // 1待处理 初始值、2已完成

        this.save(orderBill);
    }

}