package org.dromara.eims.service.impl;

import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import lombok.SneakyThrows;
import org.dromara.common.core.constant.DictConstants;
import org.dromara.common.core.domain.model.LoginUser;
import org.dromara.common.core.service.MaintOrderService;
import org.dromara.common.core.utils.DateUtils;
import org.dromara.common.core.utils.MapstructUtils;
import org.dromara.common.core.utils.SpringUtils;
import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.mybatis.core.page.TableDataInfo;
import org.dromara.common.mybatis.core.page.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.RequiredArgsConstructor;

import org.dromara.common.satoken.utils.LoginHelper;
import org.dromara.eims.domain.EimsMaintPlan;
import org.dromara.eims.domain.bo.EimsMaintPlanBo;
import org.dromara.eims.domain.vo.MaintOrdeGroupVo;
import org.dromara.eims.mapper.EimsMaintPlanMapper;
import org.dromara.system.domain.SysDept;
import org.dromara.system.domain.vo.SysDeptVo;
import org.dromara.system.mapper.SysDeptMapper;
import org.springframework.stereotype.Service;
import org.dromara.eims.domain.bo.EimsMaintOrderBo;
import org.dromara.eims.domain.vo.EimsMaintOrderVo;
import org.dromara.eims.domain.EimsMaintOrder;
import org.dromara.eims.mapper.EimsMaintOrderMapper;
import org.dromara.eims.service.IEimsMaintOrderService;
import org.springframework.transaction.annotation.Transactional;

import java.util.*;

/**
 * 保养工单Service业务层处理
 *
 * @author zhuguifei
 * @date 2025-03-06
 */
@RequiredArgsConstructor
@Service
public class EimsMaintOrderServiceImpl implements IEimsMaintOrderService, MaintOrderService {

    private final EimsMaintOrderMapper baseMapper;
    private final EimsMaintPlanMapper planMapper;
    private final SysDeptMapper sysDeptMapper;

    /**
     * 查询保养工单
     *
     * @param id 主键
     * @return 保养工单
     */
    @Override
    public EimsMaintOrderVo queryById(Long id){
        return baseMapper.selectVoById(id);
    }

    /**
     * 分页查询保养工单列表
     *
     * @param bo        查询条件
     * @param pageQuery 分页参数
     * @return 保养工单分页列表
     */
    @Override
    public TableDataInfo<EimsMaintOrderVo> queryPageList(EimsMaintOrderBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<EimsMaintOrder> lqw = buildQueryWrapper(bo);
        Page<EimsMaintOrderVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        return TableDataInfo.build(result);
    }

    @Override
    public TableDataInfo<EimsMaintOrderVo> queryPageListCustom(EimsMaintOrderBo bo, PageQuery pageQuery) {
        Page<EimsMaintOrderVo> page = baseMapper.selectMaintOrderList(pageQuery.build(), buildWrapper(bo));
        return TableDataInfo.build(page);
    }

    @Override
    public TableDataInfo<MaintOrdeGroupVo> queryPageGroupList(EimsMaintOrderBo bo, PageQuery pageQuery) {
        Page<MaintOrdeGroupVo> page = baseMapper.selectMaintOrderGroupList(pageQuery.build(), buildGroupWrapper(bo));
        return TableDataInfo.build(page);
    }

    /**
     * 查询符合条件的保养工单列表
     *
     * @param bo 查询条件
     * @return 保养工单列表
     */
    @Override
    public List<EimsMaintOrderVo> queryList(EimsMaintOrderBo bo) {
        LambdaQueryWrapper<EimsMaintOrder> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }
    private QueryWrapper<EimsMaintOrder> buildWrapper(EimsMaintOrderBo bo) {
        Map<String, Object> params = bo.getParams();
        QueryWrapper<EimsMaintOrder> qw =  Wrappers.query();
        qw.like(StringUtils.isNotBlank(bo.getMaintCode()),"mo.maint_code", bo.getMaintCode());
        qw.like(bo.getEquName() != null, "equ.equ_name", bo.getEquName());
        qw.like(bo.getEquId() != null, "equ.equ_id", bo.getEquId());
        qw.eq(StringUtils.isNotBlank(bo.getMaintType()), "mo.maint_type", bo.getMaintType());
        qw.eq(StringUtils.isNotBlank(bo.getMaintCycleUnit()), "mo.maint_cycle_unit", bo.getMaintCycleUnit());
        qw.eq(StringUtils.isNotBlank(bo.getMaintRule()), "mo.maint_rule", bo.getMaintRule());
        qw.eq(bo.getMaintUser() != null, "mo.maint_user", bo.getMaintUser());
        qw.in(bo.getMaintDept() != null, "mo.maint_dept", getAllDescendantIds(bo.getMaintDept()));
        qw.eq(bo.getStatus() != null, "mo.status", bo.getStatus());
        qw.eq(bo.getPlanTime()!=null,
            "mo.plan_time", bo.getPlanTime());
        qw.between(params.get("beginPlanTime") != null && params.get("endPlanTime") != null,
            "mo.plan_time", params.get("beginPlanTime"), params.get("endPlanTime"));
        qw.orderByDesc("mo.create_time");
        return qw;
    }
    private QueryWrapper<EimsMaintOrder> buildGroupWrapper(EimsMaintOrderBo bo) {
        Map<String, Object> params = bo.getParams();
        QueryWrapper<EimsMaintOrder> qw =  Wrappers.query();
        qw.like(StringUtils.isNotBlank(bo.getMaintCode()),"mo.maint_code", bo.getMaintCode());
        qw.like(bo.getEquName() != null, "equ.equ_name", bo.getEquName());
        qw.eq(StringUtils.isNotBlank(bo.getMaintType()), "mo.maint_type", bo.getMaintType());
        qw.eq(StringUtils.isNotBlank(bo.getMaintCycleUnit()), "mo.maint_cycle_unit", bo.getMaintCycleUnit());
        qw.eq(StringUtils.isNotBlank(bo.getMaintRule()), "mo.maint_rule", bo.getMaintRule());
        qw.eq(bo.getMaintUser() != null, "mo.maint_user", bo.getMaintUser());
        qw.in(bo.getMaintDept() != null, "mo.maint_dept", getAllDescendantIds(bo.getMaintDept()));
        qw.eq(bo.getStatus() != null, "mo.status", bo.getStatus());
        qw.between(params.get("beginPlanTime") != null && params.get("endPlanTime") != null,
            "mo.plan_time", params.get("beginPlanTime"), params.get("endPlanTime"));
        qw.groupBy(Arrays.asList("mo.equ_id","mo.plan_time"));
        qw.orderByDesc("mo.plan_time");
        return qw;
    }

    /**
     * 根据id，获取所有后代id
     *
     * @param rootId
     * @return
     */
    public List<Long> getAllDescendantIds(Long rootId) {
        List<Long> result = new ArrayList<>();
        result.add(rootId);
        collectDescendants(rootId, result);
        return result;
    }

    private void collectDescendants(Long currentId, List<Long> collector) {
        QueryWrapper<SysDept> sysDeptWrapper = new QueryWrapper<>();
        sysDeptWrapper.lambda().eq(SysDept::getParentId, currentId);

        List<SysDeptVo> children = sysDeptMapper.selectVoList(sysDeptWrapper);
        if (children != null && !children.isEmpty()) {
            for (SysDeptVo child : children) {
                Long childId = child.getDeptId();
                collector.add(childId);
                collectDescendants(childId, collector);
            }
        }
    }

    private LambdaQueryWrapper<EimsMaintOrder> buildQueryWrapper(EimsMaintOrderBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<EimsMaintOrder> lqw = Wrappers.lambdaQuery();
        lqw.eq(bo.getEquId() != null, EimsMaintOrder::getEquId, bo.getEquId());
        lqw.eq(StringUtils.isNotBlank(bo.getMaintType()), EimsMaintOrder::getMaintType, bo.getMaintType());
        lqw.eq(bo.getMaintCycle() != null, EimsMaintOrder::getMaintCycle, bo.getMaintCycle());
        lqw.eq(StringUtils.isNotBlank(bo.getMaintCycleUnit()), EimsMaintOrder::getMaintCycleUnit, bo.getMaintCycleUnit());
        lqw.eq(StringUtils.isNotBlank(bo.getMaintRule()), EimsMaintOrder::getMaintRule, bo.getMaintRule());
        lqw.eq(bo.getMaintUser() != null, EimsMaintOrder::getMaintUser, bo.getMaintUser());
        lqw.eq(bo.getMaintDept() != null, EimsMaintOrder::getMaintDept, bo.getMaintDept());
        lqw.eq(StringUtils.isNotBlank(bo.getMaintCode()), EimsMaintOrder::getMaintCode, bo.getMaintCode());
        lqw.eq(StringUtils.isNotBlank(bo.getStatus()), EimsMaintOrder::getStatus, bo.getStatus());
        lqw.eq(bo.getPlanTime() != null, EimsMaintOrder::getPlanTime, bo.getPlanTime());
        lqw.eq(bo.getPlanId() != null, EimsMaintOrder::getPlanId, bo.getPlanId());
        // 按创建时间倒序
        lqw.orderByDesc(EimsMaintOrder::getCreateTime);
        return lqw;
    }

    /**
     * 新增保养工单
     *
     * @param bo 保养工单
     * @return 是否新增成功
     */
    @Transactional(rollbackFor = Exception.class)
    @Override
    public Boolean insertByBo(EimsMaintOrderBo bo) {
        EimsMaintOrder add = MapstructUtils.convert(bo, EimsMaintOrder.class);
        //通过保养计划生成的数据需要更新保养计划
        Long planId = bo.getPlanId();
        if(planId!=null){
            EimsMaintPlan eimsMaintPlan = planMapper.selectById(planId);
            setMaintNextTime(eimsMaintPlan);
            planMapper.updateById(eimsMaintPlan);
        }



        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setId(add.getId());

        }
        return flag;
    }

    /**
     * 计算保养计划下次执行时间
     */
    @SneakyThrows
    private void setMaintNextTime(EimsMaintPlan bo) {
        Date oldNext = bo.getMaintNextTime();
        //TODO 下次保养时间计算规则 0-按固定周期  1-按上次保养时间
        Date newNext = null;

        //下次次执行时间为空抛出异常
        if (oldNext == null) {
            throw new Exception("下次保养时间不能为空!");
        }
        //周期
        Long maintCycle = bo.getMaintCycle();
        //单位 1-天 2-周 3-月 4-季 5-年
        String maintCycleUnit = bo.getMaintCycleUnit();
        switch (maintCycleUnit) {
            case "1":
                newNext = DateUtils.addDays(oldNext, maintCycle.intValue());
                break;
            case "2":
                newNext = DateUtils.addWeeks(oldNext, maintCycle.intValue());
                break;
            case "3":
                newNext = DateUtils.addMonths(oldNext, maintCycle.intValue());
                break;
            case "4":
                newNext = DateUtils.addMonths(oldNext, maintCycle.intValue() * 3);
                break;
            case "5":
                newNext = DateUtils.addYears(oldNext, maintCycle.intValue());
                break;

        }
        bo.setMaintNextTime(newNext);
        if(bo.getMaintFirstTime()==null){
            bo.setMaintFirstTime(oldNext);
        }
        bo.setMaintLastTime(oldNext);


    }

    /**
     * 修改保养工单
     *
     * @param bo 保养工单
     * @return 是否修改成功
     */
    @SneakyThrows
    @Transactional(rollbackFor = Exception.class)
    @Override
    public Boolean updateByBo(EimsMaintOrderBo bo) {
        EimsMaintOrder update = MapstructUtils.convert(bo, EimsMaintOrder.class);
        if(bo.getStatus().equals(DictConstants.MAINT_ORDER_STATUS_DETAIL.BAOYANG) && bo.getStartTime() == null){
            update.setStartTime(new Date());
        }

        if(bo.getStatus().equals(DictConstants.MAINT_ORDER_STATUS_DETAIL.DAIYANZHENG) && bo.getEndTime() == null){
            update.setEndTime(new Date());
        }

        if(bo.getStatus().equals(DictConstants.MAINT_ORDER_STATUS_DETAIL.WANCHENG) && bo.getVerifyUser() == null){
            LoginUser loginUser = LoginHelper.getLoginUser();
            update.setVerifyUser(loginUser.getUserId());
        }


        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(EimsMaintOrder entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 校验并批量删除保养工单信息
     *
     * @param ids     待删除的主键集合
     * @param isValid 是否进行有效性校验
     * @return 是否删除成功
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteByIds(ids) > 0;
    }


    @Override
    public String selectMaintOrderCodeByIds(String orderIds) {
        List<String> list = new ArrayList<>();
        for (Long id : StringUtils.splitTo(orderIds, Convert::toLong)) {
            EimsMaintOrderVo vo = SpringUtils.getAopProxy(this).queryById(id);
            if (ObjectUtil.isNotNull(vo)) {
                list.add(vo.getMaintCode());
            }
        }
        return String.join(StringUtils.SEPARATOR, list);
    }
}