package com.fdkankan.sale.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.fdkankan.sale.common.PageInfo;
import com.fdkankan.sale.common.ResultCode;
import com.fdkankan.sale.entity.SysRole;
import com.fdkankan.sale.entity.SysUser;
import com.fdkankan.sale.exception.BusinessException;
import com.fdkankan.sale.mapper.ISysRoleMapper;
import com.fdkankan.sale.service.ISysMenuService;
import com.fdkankan.sale.service.ISysRoleMenuService;
import com.fdkankan.sale.service.ISysRoleService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fdkankan.sale.service.ISysUserService;
import com.fdkankan.sale.vo.request.SysRoleMenuParam;
import com.fdkankan.sale.vo.request.SysRoleParam;
import com.fdkankan.sale.vo.response.SysRoleVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.Date;
import java.util.HashMap;
import java.util.List;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author 
 * @since 2022-12-09
 */
@Service
public class SysRoleServiceImpl extends ServiceImpl<ISysRoleMapper, SysRole> implements ISysRoleService {

    @Autowired
    ISysUserService sysUserService;
    @Autowired
    ISysRoleMenuService roleMenuService;
    @Autowired
    ISysMenuService sysMenuService;

    @Override
    public void addOrUpdate(SysRoleParam param) {
        SysRole sysRole = new SysRole();
        BeanUtils.copyProperties(param,sysRole);
        sysRole.setUpdateTime(null);
        this.saveOrUpdate(sysRole);
    }

    @Override
    public PageInfo pageList(SysRoleParam param) {
        HashMap<Long,Long> countMap = sysUserService.groupByRoleId();
        Page<SysRoleVo> page = this.getBaseMapper().pageList(new Page<>(param.getPageNum(),param.getPageSize()),param);
        for (SysRoleVo record : page.getRecords()) {
            record.setAdminCount(countMap.get(record.getId()) == null ? 0 : countMap.get(record.getId()));
        }
        return PageInfo.PageInfo(page);
    }

    @Override
    public void delete(Long id) {
        if(StringUtils.isEmpty(id)){
            throw new BusinessException(ResultCode.MISSING_REQUIRED_PARAMETERS);
        }
        LambdaQueryWrapper<SysUser> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(SysUser::getRoleId,id);
        long count = sysUserService.count(wrapper);
        if(count >0){
            throw new BusinessException(ResultCode.DEL_ROLE_ERROR);
        }
        roleMenuService.deleteByRoleId(id);
        this.removeById(id);
    }

    @Override
    public void giveMenu(SysRoleMenuParam param) {
        if(param.getRoleId() == null){
            throw new BusinessException(ResultCode.MISSING_REQUIRED_PARAMETERS);
        }
        roleMenuService.deleteByRoleId(param.getRoleId());
        roleMenuService.saveBatchByRoleId(param.getRoleId(),param.getMenuIds());
    }

    @Override
    public List<SysRole> getByRoleType(Integer roleType) {
        LambdaQueryWrapper<SysRole> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(SysRole::getRoleType,roleType);
        return this.list(wrapper);
    }
}