package com.ltkj.framework.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.BlockAttackInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * Mybatis Plus 配置
 *
 * @author ltkj
 */
@EnableTransactionManagement(proxyTargetClass = true)
@Configuration
public class MybatisPlusConfig {
//    @Bean
//    public MybatisPlusInterceptor mybatisPlusInterceptor() {
//        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
//        // 分页插件
//        interceptor.addInnerInterceptor(paginationInnerInterceptor());
//        // 乐观锁插件
//        interceptor.addInnerInterceptor(optimisticLockerInnerInterceptor());
//        // 阻断插件
//        interceptor.addInnerInterceptor(blockAttackInnerInterceptor());
//        return interceptor;
//    }
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
         //paginationInterceptor.setOverflow(false);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        // paginationInterceptor.setLimit(500);
        // 开启 count 的 join 优化,只针对部分 left join
        paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
        return paginationInterceptor;
    }

    /**
     * 分页插件，自动识别数据库类型 https://baomidou.com/guide/interceptor-pagination.html
     */
//    public PaginationInnerInterceptor paginationInnerInterceptor() {
//        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
//        // 设置数据库类型为mysql
//        paginationInnerInterceptor.setDbType(DbType.MYSQL);
//        // 设置最大单页限制数量，默认 500 条，-1 不受限制
//        paginationInnerInterceptor.setMaxLimit(-1L);
//        return paginationInnerInterceptor;
//    }

//    /**
//     * 乐观锁插件 https://baomidou.com/guide/interceptor-optimistic-locker.html
//     */
//    public OptimisticLockerInnerInterceptor optimisticLockerInnerInterceptor() {
//        return new OptimisticLockerInnerInterceptor();
//    }
//
//    /**
//     * 如果是对全表的删除或更新操作，就会终止该操作 https://baomidou.com/guide/interceptor-block-attack.html
//     */
//    public BlockAttackInnerInterceptor blockAttackInnerInterceptor() {
//        return new BlockAttackInnerInterceptor();
//    }
}