package com.ycl.platform.service.impl;

import com.alibaba.excel.EasyExcel;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.dataListener.CurrencyDataListener;
import com.ycl.platform.domain.entity.YwPeople;
import com.ycl.platform.domain.entity.YwPoint;
import com.ycl.platform.domain.excel.PointExport;
import com.ycl.platform.domain.form.BatchEditPointForm;
import com.ycl.platform.domain.form.YwPointForm;
import com.ycl.platform.domain.query.YwPointQuery;
import com.ycl.platform.domain.vo.YwPointVO;
import com.ycl.platform.mapper.YwPeopleMapper;
import com.ycl.platform.mapper.YwPointMapper;
import com.ycl.platform.service.YwPointService;
import com.ycl.platform.service.YwUnitService;
import com.ycl.system.Result;
import com.ycl.system.mapper.SysDeptMapper;
import com.ycl.system.page.PageUtil;
import com.ycl.thread.PointImportCallable;
import com.ycl.utils.DateUtils;
import com.ycl.utils.SecurityUtils;
import jakarta.servlet.http.HttpServletResponse;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.Consumer;
import java.util.stream.Collectors;

/**
 * 运维点位 服务实现类
 *
 * @author xp
 * @since 2024-03-05
 */
@Service
@RequiredArgsConstructor
public class YwPointServiceImpl extends ServiceImpl<YwPointMapper, YwPoint> implements YwPointService {

    private final SysDeptMapper sysDeptMapper;
    private final YwUnitService unitService;
    private final YwPeopleMapper ywPeopleMapper;

    private static final ExecutorService executorService = new ThreadPoolExecutor(8,
            24,
            5000,
            TimeUnit.SECONDS,
            new ArrayBlockingQueue<>(10),
            new ThreadPoolExecutor.CallerRunsPolicy()
    );

    /**
     * 添加
     * @param form
     * @return
     */
    @Override
    public Result add(YwPointForm form) {
        YwPoint entity = YwPointForm.getEntityByForm(form, null);
        Date now = new Date();
        entity.setCreateTime(now);
        entity.setUpdateTime(now);
        if(baseMapper.insert(entity) > 0) {
            return Result.ok("添加成功");
        }
        return Result.error("添加失败");
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public Result batchAdd(List<YwPointForm> formList) {
        formList.stream()
                .forEach(form -> {
                    YwPoint entity = YwPointForm.getEntityByForm(form, null);
                    entity.setStatus("未开始");
                    Date now = new Date();
                    entity.setCreateTime(now);
                    entity.setUpdateTime(now);
                    baseMapper.insert(entity);
                });
        return Result.ok("添加成功");
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public Result batchEdit(BatchEditPointForm form) {
        if (Objects.nonNull(form.getUnitId())) {
            new LambdaUpdateChainWrapper<>(baseMapper)
                    .in(YwPoint::getId, form.getIds())
                    .set(YwPoint::getUnitId, form.getUnitId())
                    .set(YwPoint::getUpdateTime, new Date())
                    .update();
        } else {
            new LambdaUpdateChainWrapper<>(baseMapper)
                    .in(YwPoint::getId, form.getIds())
                    .set(YwPoint::getUnitId, form.getUnitId())
                    .set(YwPoint::getStartTime, null)
                    .set(YwPoint::getEndTime, null)
                    .set(YwPoint::getUpdateTime, new Date())
                    .update();
        }
        return Result.ok("修改成功");
    }

    /**
     * 修改
     * @param form
     * @return
     */
    @Override
    public Result update(YwPointForm form) {
        YwPoint entity = baseMapper.selectById(form.getId());
        Assert.notNull(entity, "记录不存在");
        BeanUtils.copyProperties(form, entity);
        Date now = new Date();
        entity.setUpdateTime(now);
        baseMapper.updateById(entity);
        return Result.ok("修改成功");
    }

    /**
     * 批量删除
     * @param ids
     * @return
     */
    @Override
    public Result remove(List<String> ids) {
        if(baseMapper.deleteBatchIds(ids) > 0) {
            return Result.ok("删除成功");
        }
        return Result.error("删除失败");
    }

    /**
     * id删除
     * @param id
     * @return
     */
    @Override
    public Result removeById(String id) {
        if(baseMapper.deleteById(id) > 0) {
            return Result.ok("删除成功");
        }
        return Result.error("删除失败");
    }

    /**
     * 分页查询
     * @param query
     * @return
     */
    @Override
    public Result page(YwPointQuery query) {
        IPage<YwPointVO> page = PageUtil.getPage(query, YwPointVO.class);
        baseMapper.page(page, query);
        return Result.ok().data(page.getRecords()).total(page.getTotal());
    }

    /**
     * 根据id查找
     * @param id
     * @return
     */
    @Override
    public Result detail(String id) {
        YwPoint entity = baseMapper.selectById(id);
        Assert.notNull(entity, "记录不存在");
        YwPointVO vo = YwPointVO.getVoByEntity(entity, null);
        if (Objects.nonNull(entity.getDeptId())) {
            vo.setDeptIds(sysDeptMapper.selectParents(entity.getDeptId()));
        }
        return Result.ok().data(vo);
    }

    /**
     * 列表
     * @return
     */
    @Override
    public Result all() {
        List<YwPoint> entities = baseMapper.selectList(null);
        List<YwPointVO> vos = entities.stream()
                .map(
                        entity -> YwPointVO.getVoByEntity(entity, null)
                )
                .collect(Collectors.toList());
        return Result.ok().data(vos);
    }

    @Override
    public Result select(String keyword) {
        Long userId = SecurityUtils.getUserId();
        // 获取当前运维人员的运维单位
        YwPeople people = new LambdaQueryChainWrapper<>(ywPeopleMapper)
                .eq(YwPeople::getUserId, userId)
                .one();
        Integer unitId = null;
        if (Objects.nonNull(people)) {
            unitId = people.getBelongUnit();
        }

        List<YwPoint> list = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(YwPoint::getUnitId, unitId)
                .like(YwPoint::getPointName, keyword)
                .or()
                .eq(YwPoint::getUnitId, unitId)
                .like(YwPoint::getSerialNumber, keyword)
                .list();
        List data = list.stream().map(item -> {
            Map map = new HashMap<String, Object>();
            map.put("id", item.getSerialNumber());
            map.put("value", item.getPointName());
            return map;
        }).collect(Collectors.toList());
        return Result.ok().data(data);
    }

    @Override
    public boolean updateRecovery(List<String> serialNumberList, int recovery) {
        return new LambdaUpdateChainWrapper<>(baseMapper)
                .in(YwPoint::getSerialNumber, serialNumberList)
                .set(YwPoint::getRecovery, recovery)
                .set(YwPoint::getUpdateTime, new Date())
                .set(recovery == 0, YwPoint::getRecoveryTime, DateUtils.getNowDate())
                .update();
    }

    @Override
    public List<YwPoint> home() {
        return baseMapper.home();
    }

    @Override
    public void export(YwPointQuery query, HttpServletResponse response) throws IOException {
        // 导出数据
        List<PointExport> exportData = baseMapper.export(query);
        EasyExcel.write(response.getOutputStream(), PointExport.class)
                .sheet("点位更换运维单位")
                .doWrite(exportData);
    }

    @Override
    public Result importData(MultipartFile file, Integer unitId, Date startTime, Date endTime, Boolean needUpdateUnit) throws IOException {
        Consumer<List<PointExport>> consumer = (dataList) -> {
            try {
                this.updatePoint(dataList, unitId, startTime, endTime, needUpdateUnit);
            } catch (ExecutionException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        };
        EasyExcel.read(file.getInputStream(), PointExport.class , new CurrencyDataListener(consumer)).headRowNumber(1).doReadAll();
        return Result.ok();
    }

    /**
     * 修改点位的运维单位
     *
     * @param dataList
     * @param unitId
     */
    @Transactional(rollbackFor = Exception.class)
    public void updatePoint(List<PointExport> dataList, Integer unitId, Date startTime, Date endTime, Boolean needUpdateUnit) throws ExecutionException, InterruptedException {
        if (CollectionUtils.isEmpty(dataList)) {
            throw new RuntimeException("导入数据不能为空");
        }
        List<YwPoint> pointList = dataList.stream().map(item -> {
            YwPoint point = new YwPoint();
            point.setImportantCommandImageTag("是".equals(item.getImportantCommandImageTagString()));
            point.setProvinceTag("是".equals(item.getProvinceTagString()));
            point.setDeptTag("是".equals(item.getDeptTag()));
            if (needUpdateUnit) {
                if (Objects.nonNull(unitId)) {
                    point.setUnitId(Long.valueOf(unitId));
                }
                point.setStartTime(startTime);
                point.setEndTime(endTime);
            } else {
                point.setUnitId(null);
                point.setStartTime(null);
                point.setEndTime(null);
            }

            point.setPointName(item.getPointName());
            point.setSerialNumber(item.getSerialNumber());
            return point;
        }).collect(Collectors.toList());
        this.waitAllFinishAndGetResult(pointList);
    }

    public void waitAllFinishAndGetResult(List<YwPoint> dataList) throws InterruptedException, ExecutionException {
        int start = 0;
        Date startTime = new Date();
        while (true) {
            if (dataList.size() < start + 800) {
                List<YwPoint> list = dataList.subList(start, dataList.size() - 1);
                this.baseMapper.updatePoint(list);
                break;
            } else {
                List<YwPoint> list = dataList.subList(start, start + 800);
                this.baseMapper.updatePoint(list);
                start += 800;
            }
        }
        Date endTime = new Date();
        log.error("总共耗时：" + (endTime.getTime() - startTime.getTime()));
    }

}