package com.monkeylessey.sys.service.impl;

import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.monkeylessey.sys.domain.entity.SysOrg;
import com.monkeylessey.sys.domain.form.SysOrgForm;
import com.monkeylessey.sys.domain.query.SysOrgQuery;
import com.monkeylessey.sys.domain.tree.SysOrgTree;
import com.monkeylessey.sys.domain.vo.SysMenuVO;
import com.monkeylessey.sys.domain.vo.SysOrgVO;
import com.monkeylessey.sys.mapper.SysOrgMapper;
import com.monkeylessey.response.Result;
import com.monkeylessey.sys.service.SysOrgService;
import com.monkeylessey.utils.TreeUtil;
import lombok.RequiredArgsConstructor;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;

import java.util.Comparator;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 *  服务实现类
 *
 * @author 向培
 * @since 2023-11-25
 */
@Service
@RequiredArgsConstructor
public class SysOrgServiceImpl extends ServiceImpl<SysOrgMapper, SysOrg> implements SysOrgService {

    private final SysOrgMapper sysOrgMapper;

    /**
     * 添加
     * @param form
     * @return
     */
    @Override
    public Result add(SysOrgForm form) {
        SysOrg entity = SysOrgForm.getEntityByForm(form, null);
        if(baseMapper.insert(entity) > 0) {
            return Result.ok("添加成功");
        }
        return Result.error("添加失败");
    }

    /**
     * 修改
     * @param form
     * @return
     */
    @Override
    public Result update(SysOrgForm form) {

        SysOrg entity = baseMapper.selectById(form.getId());

        // 为空抛IllegalArgumentException，做全局异常处理
        Assert.notNull(entity, "修改组织不存在");
        // 不能将自己作为自己的上级组织
        if (Objects.equals(form.getId(), form.getParentId())) {
            return Result.error("不能将自己作为自己的上级组织");
        }
        BeanUtils.copyProperties(form, entity);
        if (baseMapper.updateById(entity) > 0) {
            return Result.ok("修改成功");
        }
        return Result.error("修改失败");
    }

    /**
     * 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(SysOrgQuery query) {
        List<SysOrg> orgList = new LambdaQueryChainWrapper<>(baseMapper)
                .like(StringUtils.isNotBlank(query.getOrgName()), SysOrg::getOrgName, query.getOrgName())
                .orderByAsc(SysOrg::getOrderNum)
                .list();
        List<SysOrgTree> vos = orgList.stream().map(org -> {
            SysOrgTree vo = SysOrgTree.getVoByEntity(org, null);
            if (StringUtils.isNotBlank(query.getId()) && vo.getId().equals(query.getId())) {
                vo.setDisabled(Boolean.TRUE);
            }
            return vo;
        }).collect(Collectors.toList());
        List<SysOrgTree> tree = TreeUtil.buildTree(vos);
        tree.sort(Comparator.comparing(SysOrgTree::getOrderNum));
        return Result.ok().data(tree).total(tree.size());
    }

    /**
     * 根据id查找
     * @param id
     * @return
     */
    @Override
    public Result detail(String id) {

        SysOrg entity = baseMapper.selectById(id);
        Assert.notNull(entity, "记录不存在");
        SysOrgVO vo = SysOrgVO.getVoByEntity(entity, null);
        if (! "0".equals(entity.getParentId())) {
            SysOrg parent = new LambdaQueryChainWrapper<>(baseMapper)
                    .eq(SysOrg::getId, entity.getParentId())
                    .select(SysOrg::getOrgName)
                    .one();
            vo.setParentName(parent.getOrgName());
        } else {
            vo.setParentName("最高组织");
        }

        return Result.ok().data(vo);
    }

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