package com.gunshi.project.hsz.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gunshi.project.hsz.entity.so.SoilMoisturePageSo;
import com.gunshi.project.hsz.entity.vo.SoilMoistureVO;
import com.gunshi.project.hsz.mapper.SoilMoistureDataMapper;
import com.gunshi.project.hsz.model.SoilMoistureData;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.temporal.TemporalAdjusters;
import java.util.Objects;

/**
 *
 */
@Service
@Slf4j
@Transactional(rollbackFor = Exception.class)
public class SoilMoistureDataService extends ServiceImpl<SoilMoistureDataMapper, SoilMoistureData> {

    public Page<SoilMoistureData> pageQuery(SoilMoisturePageSo page) {
        page.getPageSo().setPageSize(10000);
        LambdaQueryWrapper<SoilMoistureData> query = Wrappers.lambdaQuery();
        if(StringUtils.isNotBlank(page.getStcd())){
            query.eq(SoilMoistureData::getStcd,page.getStcd());
        }
        if(Objects.nonNull(page.getDateRangeSo())){
            if(Objects.nonNull(page.getDateRangeSo().getStart())){
                query.ge(SoilMoistureData::getCreateTime, page.getDateRangeSo().getStart());
            }
            if(Objects.nonNull(page.getDateRangeSo().getEnd())){
                query.le(SoilMoistureData::getCreateTime, page.getDateRangeSo().getEnd());
            }
        }
        query.orderByDesc(SoilMoistureData::getCreateTime);
        Page<SoilMoistureData> res = this.page(page.getPageSo().toPage(), query);
        return res;
    }

    public SoilMoistureVO count(String stcd) {
        SoilMoistureVO vo = new SoilMoistureVO();
        vo.setStcd(stcd);
        LocalDate today = LocalDate.now();

        LambdaQueryWrapper<SoilMoistureData> qw = new LambdaQueryWrapper();
        qw.eq(SoilMoistureData::getStcd,stcd).orderByDesc(SoilMoistureData::getCreateTime).last(" limit 1");
        SoilMoistureData max = baseMapper.selectOne(qw);
        SoilMoistureData min = new SoilMoistureData();
        vo.setCreateTime(max.getCreateTime());
        vo.setCurrVal(Objects.nonNull(max)? max.getVal(): null);

        max = findMaxByRang(today, today.minusWeeks(1), stcd);
        min = findMinByRang(today, today.minusWeeks(1), stcd);
        vo.setNearWeekValMax(Objects.nonNull(max)? max.getVal(): null);
        vo.setNearWeekValMin(Objects.nonNull(min)? min.getVal(): null);

        max = findMaxByRang(today, today.minusMonths(1), stcd);
        min = findMinByRang(today, today.minusMonths(1), stcd);
        vo.setNearMonthValMax(Objects.nonNull(max)? max.getVal(): null);
        vo.setNearMonthValMin(Objects.nonNull(min)? min.getVal(): null);

        max = findMaxByRang(today, today.minusMonths(3), stcd);
        min = findMinByRang(today, today.minusMonths(3), stcd);
        vo.setNearThreeMonthValMax(Objects.nonNull(max)? max.getVal(): null);
        vo.setNearThreeMonthValMin(Objects.nonNull(min)? min.getVal(): null);

        max = findMaxByRang(today, today.minusMonths(6), stcd);
        min = findMinByRang(today, today.minusMonths(6), stcd);
        vo.setNearSixMonthValMax(Objects.nonNull(max)? max.getVal(): null);
        vo.setNearSixMonthValMin(Objects.nonNull(min)? min.getVal(): null);

        max = findMaxByRang(today, today.minusYears(1), stcd);
        min = findMinByRang(today, today.minusYears(1), stcd);
        vo.setNearYearValMax(Objects.nonNull(max)? max.getVal(): null);
        vo.setNearYearValMin(Objects.nonNull(min)? min.getVal(): null);

        max = findMaxByRang(today, today.with(TemporalAdjusters.previousOrSame(DayOfWeek.MONDAY)), stcd);
        min = findMinByRang(today, today.with(TemporalAdjusters.previousOrSame(DayOfWeek.MONDAY)), stcd);
        vo.setCurrWeekValMax(Objects.nonNull(max)? max.getVal(): null);
        vo.setCurrWeekValMin(Objects.nonNull(min)? min.getVal(): null);

        max = findMaxByRang(today, today.withDayOfMonth(1), stcd);
        min = findMinByRang(today, today.withDayOfMonth(1), stcd);
        vo.setCurrMonthValMax(Objects.nonNull(max)? max.getVal(): null);
        vo.setCurrMonthValMin(Objects.nonNull(min)? min.getVal(): null);

        max = findMaxByRang(today, today.withDayOfYear(1), stcd);
        min = findMinByRang(today, today.withDayOfYear(1), stcd);
        vo.setCurrYearValMax(Objects.nonNull(max)? max.getVal(): null);
        vo.setCurrYearValMin(Objects.nonNull(min)? min.getVal(): null);
        return vo;
    }

    public SoilMoistureData findMaxByRang(LocalDate now, LocalDate startDate, String stcd){
        LambdaQueryWrapper<SoilMoistureData> qw = new LambdaQueryWrapper();
        qw.eq(SoilMoistureData::getStcd,stcd);
        qw.le(SoilMoistureData::getCreateTime,now);
        qw.ge(SoilMoistureData::getCreateTime,startDate).orderByDesc(SoilMoistureData::getVal).last(" limit 1");
        return baseMapper.selectOne(qw);
    }

    public SoilMoistureData findMinByRang(LocalDate now, LocalDate startDate, String stcd){
        LambdaQueryWrapper<SoilMoistureData> qw = new LambdaQueryWrapper();
        qw.eq(SoilMoistureData::getStcd,stcd);
        qw.le(SoilMoistureData::getCreateTime,now);
        qw.ge(SoilMoistureData::getCreateTime,startDate).orderByAsc(SoilMoistureData::getVal).last(" limit 1");
        return baseMapper.selectOne(qw);
    }
}