package com.ycl.platform.service.impl;

import com.ycl.exception.ServiceException;
import com.ycl.platform.domain.entity.DefaultRule;
import com.ycl.platform.domain.entity.YwUnit;
import com.ycl.platform.domain.form.DefaultRuleSetForm;
import com.ycl.platform.mapper.DefaultRuleMapper;
import com.ycl.platform.service.DefaultRuleService;
import com.ycl.system.Result;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.platform.domain.form.DefaultRuleForm;
import com.ycl.platform.domain.vo.DefaultRuleVO;
import com.ycl.platform.domain.query.DefaultRuleQuery;
import java.util.List;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.ycl.system.page.PageUtil;
import com.ycl.utils.DateUtils;
import org.springframework.stereotype.Service;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.beans.BeanUtils;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;
import java.util.ArrayList;
import java.util.Objects;
import java.util.stream.Collectors;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import lombok.RequiredArgsConstructor;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;

/**
 * 违约规则 服务实现类
 *
 * @author xp
 * @since 2024-03-05
 */
@Service
@RequiredArgsConstructor
public class DefaultRuleServiceImpl extends ServiceImpl<DefaultRuleMapper, DefaultRule> implements DefaultRuleService {

    private final DefaultRuleMapper defaultRuleMapper;

    /**
     * 添加
     * @param form
     * @return
     */
    @Override
    public Result add(DefaultRuleForm form) {
        DefaultRule entity = DefaultRuleForm.getEntityByForm(form, null);
        entity.setRuleStatus("未启用");
        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(DefaultRuleForm form) {

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

        // 为空抛IllegalArgumentException，做全局异常处理
        Assert.notNull(entity, "记录不存在");
        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(DefaultRuleQuery query) {

        IPage<DefaultRule> page = new LambdaQueryChainWrapper<>(baseMapper)
                .like(StringUtils.hasText(query.getRuleName()), DefaultRule::getRuleName, query.getRuleName())
                .between(Objects.nonNull(query.getStart()) && Objects.nonNull(query.getEnd()),
                        DefaultRule::getCreateTime,
                        DateUtils.getDayStart(query.getStart()),
                        DateUtils.getDayEnd(query.getEnd()))
                .orderByDesc(DefaultRule::getCreateTime)
                .page(PageUtil.getPage(query, DefaultRule.class));

        List<DefaultRuleVO> vos = page.getRecords().stream()
                .map(
                        entity -> DefaultRuleVO.getVoByEntity(entity, null)
                )
                .collect(Collectors.toList());
        return Result.ok().data(vos).total(page.getTotal());
    }

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

        DefaultRule entity = baseMapper.selectById(id);
        Assert.notNull(entity, "记录不存在");
        DefaultRuleVO vo = DefaultRuleVO.getVoByEntity(entity, null);
        return Result.ok().data(vo);
    }

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

    @Override
    public Result set(DefaultRuleSetForm form) {
        DefaultRule defaultRule = baseMapper.selectById(form.getId());
        if (Objects.isNull(defaultRule)) {
            throw new ServiceException("违约规则不存在");
        }
        if (form.getFlag()) {
            // 启用之前检查是否已经有启用的规则了，保持一个开启
            List<DefaultRule> useList = new LambdaQueryChainWrapper<>(baseMapper)
                    .eq(DefaultRule::getRuleStatus, "启用")
                    .list();
            if (! CollectionUtils.isEmpty(useList)) {
                throw new ServiceException("已经有规则被启用了，只能同时启用一个规则");
            }
            defaultRule.setRuleStatus("启用");
        } else {
            defaultRule.setRuleStatus("未启用");
        }
        baseMapper.updateById(defaultRule);
        return Result.ok("操作成功");
    }
}