/**
 * Copyright 2014-2019 the original author or authors.
 *
 * 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.webank.webasebee.common.vo;

import java.util.HashMap;
import java.util.Map;

import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;

import com.google.common.collect.Maps;
import com.webank.webasebee.common.constants.StatusCode;

import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.experimental.Accessors;

/**
 * ValidErrorResponse， wrap the basic valid error usage of MVC.
 *
 * @author maojiayu
 * @data Dec 28, 2018 6:05:45 PM
 *
 */
@Data
@Accessors(chain = true)
@EqualsAndHashCode(callSuper = true)
public class ValidErrorResponse extends CommonResponse {
    public ValidErrorResponse() {
        this.status = StatusCode.PARAMETER_ERROR;
        msg = new Msg().setGlobal("").setFields(new HashMap<>());
    }

    public ValidErrorResponse(BindingResult result) {
        this.status = StatusCode.PARAMETER_ERROR;
        Map<String, String> fields = Maps.newHashMap();

        result.getAllErrors().forEach(e -> {
            if (e instanceof FieldError) {
                FieldError fe = (FieldError) e;
                fields.put(fe.getField(), fe.getDefaultMessage());
            }
        });
        msg = new Msg().setGlobal("").setFields(fields);
    }
}
