/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.paimon.web.server.configrue;

import org.apache.paimon.web.server.context.TenantContextHolder;

import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.handler.TenantLineHandler;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.TenantLineInnerInterceptor;
import com.google.common.collect.ImmutableSet;
import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.expression.LongValue;
import net.sf.jsqlparser.expression.NullValue;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Set;

/** mybatis-plus config. */
@Configuration
@MapperScan("org.apache.paimon.web.server.mapper")
public class MybatisPlusConfig {
    /** need tenant table names. */
    private static final Set<String> TENANT_TABLE_NAMES = ImmutableSet.of("");

    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(
                new TenantLineInnerInterceptor(
                        new TenantLineHandler() {
                            @Override
                            public Expression getTenantId() {
                                Long tenantId = TenantContextHolder.get();
                                if (tenantId == null) {
                                    return new NullValue();
                                }
                                return new LongValue(tenantId);
                            }

                            @Override
                            public boolean ignoreTable(String tableName) {
                                return !TENANT_TABLE_NAMES.contains(tableName);
                            }
                        }));

        interceptor.addInnerInterceptor(new PaginationInnerInterceptor());
        return interceptor;
    }
}
