package com.moral.service.impl;

import java.util.Arrays;
import java.util.Date;
import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.github.pagehelper.PageHelper;
import com.moral.common.bean.Constants;
import com.moral.common.bean.PageBean;
import com.moral.common.util.ExampleUtil;
import com.moral.entity.Role;
import com.moral.mapper.RoleMapper;
import com.moral.service.RoleService;
import com.moral.util.TkMybatisUtils;

import tk.mybatis.mapper.entity.Example;

@Service
public class RoleServiceImpl implements RoleService {

    private static Class ENTITY_CLASS = Role.class;

    @Resource
    RoleMapper roleMapper;

    @Override
    @Transactional
    public void addOrModify(Role role) {
        try {
            role.setUpdateTime(new Date());
            role.setUpdateUser(role.getUpdateUser());
            if (role.getId() != null) {
                roleMapper.updateByPrimaryKey(role);
            } else {
                Role roleQuery = new Role();
                roleQuery.setRoleCode(role.getRoleCode());
                roleQuery.setIsDelete(Constants.IS_DELETE_FALSE);
                Role roleResult = roleMapper.selectOne(roleQuery);
                if (roleResult == null) {
                    role.setIsDelete(Constants.IS_DELETE_FALSE);
                    role.setCreateTime(new Date());
                    role.setCreateUser(role.getCreateUser());
                    roleMapper.insertSelective(role);
                }
            }
        } catch (Exception ex) {
            throw ex;
        }
    }

    @Override
    public int countByExample(PageBean pageBean) {
        Example example = ExampleUtil.generateExample(ENTITY_CLASS, pageBean);
        TkMybatisUtils.addDeletesToExample(example);
        return roleMapper.selectCountByExample(example);
    }

    @Override
    public List<Role> getRoleListByName(String roleName) {
        List<Role> roleList = roleMapper.getRoleListByName(roleName);
        return roleList;
    }

    @Override
    public PageBean getRoleList(PageBean pageBean) {
        Example example = ExampleUtil.generateExample(ENTITY_CLASS, pageBean);
        TkMybatisUtils.addDeletesToExample(example);
        if (pageBean.getPageSize() > 0) {
            PageHelper.startPage(pageBean.getPageIndex(), pageBean.getPageSize());
        }
        List<Role> roleList = roleMapper.getRoleList(example);
        return new PageBean(roleList);
    }

    @Override
    @Transactional
    public void deleteByIds(Integer... ids) {
        Role role = new Role();
        role.setIsDelete(Constants.IS_DELETE_TRUE);
        Example example = new Example(ENTITY_CLASS);
        example.or().andIn("id", Arrays.asList(ids));
        roleMapper.updateByExampleSelective(role, example);
    }

}