package com.oying.modules.maint.service.impl;

import cn.hutool.core.util.IdUtil;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.oying.modules.maint.domain.Database;
import com.oying.modules.maint.domain.dto.DatabaseQueryCriteria;
import com.oying.modules.maint.mapper.DatabaseMapper;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import com.oying.modules.maint.service.DatabaseService;
import com.oying.modules.maint.util.SqlUtils;
import com.oying.utils.FileUtil;
import com.oying.utils.PageResult;
import com.oying.utils.PageUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.*;

/**
* @author Z
* @date 2019-08-24
*/
@Slf4j
@Service
@RequiredArgsConstructor
public class DatabaseServiceImpl extends ServiceImpl<DatabaseMapper, Database> implements DatabaseService {

    private final DatabaseMapper databaseMapper;

    @Override
    public PageResult<Database> queryAll(DatabaseQueryCriteria criteria, Page<Object> page){
        return PageUtil.toPage(databaseMapper.findAll(criteria, page));
    }

    @Override
    public List<Database> queryAll(DatabaseQueryCriteria criteria){
        return databaseMapper.findAll(criteria);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void create(Database resources) {
        resources.setId(IdUtil.simpleUUID());
        save(resources);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(Database resources) {
        Database database = getById(resources.getId());
        database.copy(resources);
        saveOrUpdate(database);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void delete(Set<String> ids) {
        removeBatchByIds(ids);
    }

    @Override
    public boolean testConnection(Database resources) {
        try {
            return SqlUtils.testConnection(resources.getJdbcUrl(), resources.getUserName(), resources.getPwd());
        } catch (Exception e) {
            log.error(e.getMessage());
            return false;
        }
    }

    @Override
    public void download(List<Database> databases, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (Database database : databases) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("数据库名称", database.getName());
            map.put("数据库连接地址", database.getJdbcUrl());
            map.put("用户名", database.getUserName());
            map.put("创建日期", database.getCreateTime());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}