/*
 * Copyright (C) 2016-2022 ActionTech.
 * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher.
 */

package com.actiontech.dble.plan.common.item.function.primary;

import com.actiontech.dble.plan.common.item.Item;
import com.actiontech.dble.plan.common.item.function.ItemFunc;
import com.actiontech.dble.plan.common.time.MySQLTime;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;


public abstract class ItemIntFunc extends ItemFunc {

    public ItemIntFunc(Item a, int charsetIndex) {
        this(new ArrayList<>(), charsetIndex);
        args.add(a);
    }

    public ItemIntFunc(Item a, Item b, int charsetIndex) {
        this(new ArrayList<>(), charsetIndex);
        args.add(a);
        args.add(b);
    }

    public ItemIntFunc(List<Item> args, int charsetIndex) {
        super(args, charsetIndex);
    }

    @Override
    public BigDecimal valReal() {
        BigInteger nr = valInt();
        return new BigDecimal(nr);
    }

    @Override
    public String valStr() {
        BigInteger val = valInt();
        if (nullValue)
            return null;
        return val.toString();
    }

    @Override
    public boolean getDate(MySQLTime ltime, long flags) {
        return getDateFromInt(ltime, flags);
    }

    @Override
    public boolean getTime(MySQLTime ltime) {
        return getTimeFromInt(ltime);
    }

    @Override
    public Item.ItemResult resultType() {
        return Item.ItemResult.INT_RESULT;
    }

    @Override
    public void fixLengthAndDec() {

    }

}
