package com.dy.pipIrrGlobal.config;

/**
 * @Author: liurunyu
 * @Date: 2025/4/27 9:19
 * @Description
 */
import com.dy.pipIrrGlobal.pojoSe.SeVirtualCard;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.SqlCommandType;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.plugin.Intercepts;
import org.apache.ibatis.plugin.Invocation;
import org.apache.ibatis.plugin.Signature;
import java.lang.reflect.Method;

/**
 * 拦截虚拟卡表的更新操作，使不能设置占用状态操作。
 */
@Intercepts({
        @Signature(
                type = Executor.class,
                method = "update",
                args = {
                        MappedStatement.class,
                        Object.class
                }
        )
})
@Slf4j
public class VirtualCardInUseInterceptor  implements Interceptor {

    static int MAPPED_STATEMENT_INDEX = 0;
    static int PARAMETER_INDEX = 1;
    static String BASE_FIELD_SET_PRIMARY_KEY_FUNTION_SETINUSE = "setInUse";

    @Override
    public Object intercept(Invocation invocation) throws Throwable {
        Object entity = invocation.getArgs()[PARAMETER_INDEX];
        if (entity instanceof SeVirtualCard) {
            MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[MAPPED_STATEMENT_INDEX];
            SqlCommandType commandType = mappedStatement.getSqlCommandType();
            if (commandType.equals(SqlCommandType.INSERT)) {
                Class<?> entityClass = entity.getClass();
                Method setInUse = null;
                try {
                    setInUse = entityClass.getMethod(BASE_FIELD_SET_PRIMARY_KEY_FUNTION_SETINUSE, Long.class);
                } catch (Exception e) {
                    //当entityClass没有setInUse方法时，会抛出异常
                }
                if (setInUse != null) {
                    setInUse.invoke(entity, 0);
                }
                invocation.getArgs()[PARAMETER_INDEX] = entity;
            }
        }
        return invocation.proceed();
    }
}