package com.iailab.module.ansteel.power.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.iailab.module.ansteel.power.dao.PowerMaxdemandMainDao;
import com.iailab.module.ansteel.power.entity.PowerMaxdemandMainEntity;
import com.iailab.module.ansteel.power.service.PowerMaxdemandMainService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;

/**
 * @author PanZhibao
 * @Description
 * @createTime 2025年05月07日
 */
@Slf4j
@Service
public class PowerMaxdemandMainServiceImpl implements PowerMaxdemandMainService {

    @Autowired
    private PowerMaxdemandMainDao powerMaxdemandMainDao;

    @Override
    public String add(PowerMaxdemandMainEntity entity) {
        entity.setId(UUID.randomUUID().toString());
        powerMaxdemandMainDao.insert(entity);
        return entity.getId();
    }

    @Override
    public BigDecimal getMax(String code, Date start, Date end) {
        BigDecimal max = new BigDecimal(0);
        QueryWrapper<PowerMaxdemandMainEntity> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("code", code)
                .ge("occur_time", start)
                .le("occur_time", end);
        List<PowerMaxdemandMainEntity> list = powerMaxdemandMainDao.selectList(queryWrapper);
        if (CollectionUtils.isEmpty(list)) {
            return max;
        }
        List<Double> demandValueList = list.stream().map(item -> {
            return item.getMaxDemand().doubleValue();
        }).collect(Collectors.toList());

        max = new BigDecimal(demandValueList.stream().max(Double::compareTo).get());
        log.info("max : {}", max);
        return max;
    }
}