package com.isu.gaswellwatch.service.impl;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import cn.dev33.satoken.stp.StpUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.isu.gaswellwatch.config.SnowflakeConfig;
import com.isu.gaswellwatch.constants.UserConstant;
import com.isu.gaswellwatch.entity.*;
import com.isu.gaswellwatch.service.BlockDepartmentService;
import com.isu.gaswellwatch.service.UserService;
import com.isu.gaswellwatch.utils.ConverterUtil;
import com.isu.gaswellwatch.vo.UserLoginInfoVO;
import com.isu.gaswellwatch.vo.UserVO;
import jakarta.annotation.Resource;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.isu.gaswellwatch.dto.BlockCreateRequest;
import com.isu.gaswellwatch.dto.BlockEditRequest;
import com.isu.gaswellwatch.vo.BlockPageQuery;
import com.isu.gaswellwatch.vo.BlockVO;
import com.isu.gaswellwatch.dao.BlockDao;
import com.isu.gaswellwatch.service.BlockService;
import com.isu.gaswellwatch.mapper.BlockMapper;
import org.mapstruct.factory.Mappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;

/**
 * 区块Service业务层处理
 * 
 * @author scwsl
 * @date 2024-11-17
 */
@Service
@RequiredArgsConstructor
@Transactional(readOnly = true)
public class BlockServiceImpl  extends ServiceImpl<BlockDao, Block> implements BlockService {

    private final BlockDao blockDao;
    private final BlockMapper blockMapper = Mappers.getMapper(BlockMapper.class);
    @Resource
    private BlockDepartmentService blockDepartmentService;
    @Resource
    private UserService userService;
    @Resource
    private SnowflakeConfig snowflakeConfig;

    /**
     * 查询区块
     * 
     * @param id 区块主键
     * @return 区块
     */
    @Override
    public BlockVO selectBlockById(Long id) {
        return ConverterUtil.convert(blockDao.selectBlockById(id),BlockVO.class);
    }

    /**
     * 查询区块列表
     * 
     * @return 区块
     */
    @Override
    public List<BlockVO> selectBlockList() {
        //根据当前用户所属的部门筛选可以看到的区块
        UserLoginInfoVO userLoginInfoVO = (UserLoginInfoVO) StpUtil.getTokenSession().get(UserConstant.TOKEN_SESSION);
        UserVO userVO = userService.selectUserInfo(userLoginInfoVO.getUserVO().getUsername());
        if("admin".equals(userVO.getUsername())){
            //对admin用户不进行过滤筛选
            return blockDao.selectBlockList(null);
        }else{
            if(userVO.getDepartment()!=null){
                return blockDao.selectBlockList(userVO.getDepartment().getId());
            }else{
                return new ArrayList<>();
            }
        }

    }

    /**
     * 分页查询区块列表
     *
     * @param name 区块名称
     * @return 区块
     */
    @Override
    public Page<BlockVO> pageForQuery(Integer currentPage,Integer pageSize,String name){
        return blockDao.pageForQuery(new Page<>(currentPage, pageSize), name);
    }

    /**
     * 新增区块
     * 
     * @param blockCreateRequest 区块
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Throwable.class)
    public void insertBlock(BlockCreateRequest blockCreateRequest) {

        blockCreateRequest.setId(snowflakeConfig.snowflakeId());
        blockDao.insertBlock(blockMapper.create(blockCreateRequest));

        //增加区块部门关联
        if(blockCreateRequest.getDepartmentId()!=null){
            blockDepartmentService.remove(new LambdaQueryWrapper<BlockDepartment>().eq(BlockDepartment::getBlockId, blockCreateRequest.getId()));
            addDepartment(blockCreateRequest.getDepartmentId(), blockCreateRequest.getId());
        }
    }

    private void addDepartment(Long departmentId, Long blockId) {
        BlockDepartment.builder().id(snowflakeConfig.snowflakeId()).blockId(blockId).departmentId(departmentId).build().insert();
    }

    /**
     * 修改区块
     * 
     * @param blockEditRequest 区块
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Throwable.class)
    public void updateBlock(BlockEditRequest blockEditRequest) {
        updateById(Block.builder().id(blockEditRequest.getId()).name(blockEditRequest.getName()).details(blockEditRequest.getDetails()).build());

        //增加区块部门关联
        if(blockEditRequest.getDepartmentId()!=null){
            blockDepartmentService.remove(new LambdaQueryWrapper<BlockDepartment>().eq(BlockDepartment::getBlockId, blockEditRequest.getId()));
            addDepartment(blockEditRequest.getDepartmentId(), blockEditRequest.getId());
        }
    }

    /**
     * 删除区块信息
     * 
     * @param id 区块主键
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Throwable.class)
    public void deleteBlockById(Long id) {
        blockDao.deleteBlockById(id);
        blockDepartmentService.remove(new LambdaQueryWrapper<BlockDepartment>().eq(BlockDepartment::getBlockId, id));
    }

    /**
     * 批量删除删除区块信息
     *
     * @param ids 区块主键
     * @return 数量
     */
    @Override
    @Transactional(rollbackFor = Throwable.class)
    public int deleteBlockByIds(Collection<Long> ids) {
        return blockDao.deleteBlockByIds(ids);
    }

}