/*******************************************************************************
 * Copyright 2017 Bstek
 *
 * Licensed 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 com.bstek.ureport.build.assertor;

import com.bstek.ureport.Utils;

import java.math.BigDecimal;

/**
 * @author Jacky.gao
 * @since 2017年1月12日
 */
public class EqualsAssertor extends AbstractAssertor {
    @Override
    public boolean eval(Object left, Object right) {
        if (left == null && right == null) {
            return true;
        }
        if (left == null || right == null) {
            return false;
        }
        if (left instanceof Number && right instanceof Number) {
            BigDecimal b1 = Utils.toBigDecimal(left);
            BigDecimal b2 = Utils.toBigDecimal(right);
            return b1.compareTo(b2) == 0;
        } else if (left instanceof Number) {
            BigDecimal b1 = Utils.toBigDecimal(left);
            BigDecimal b2 = null;
            try {
                b2 = Utils.toBigDecimal(right);
            } catch (Exception ignored) {
            }
            if (b2 != null) {
                return b1.compareTo(b2) == 0;
            }
        } else if (right instanceof Number) {
            BigDecimal b1 = Utils.toBigDecimal(right);
            BigDecimal b2 = null;
            try {
                b2 = Utils.toBigDecimal(left);
            } catch (Exception ignored) {
            }
            if (b2 != null) {
                return b1.compareTo(b2) == 0;
            }
        }
        right = buildObject(right);
        return left.equals(right);
    }
}
