/*
 * 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.addthis.hydra.job;

import com.addthis.basis.util.LessStrings;
import com.addthis.codec.annotations.FieldConfig;
import com.addthis.codec.codables.Codable;

import com.fasterxml.jackson.annotation.JsonAutoDetect;

import javax.annotation.Nonnull;


/**
 * config-defined templated parameter
 */
@JsonAutoDetect(getterVisibility = JsonAutoDetect.Visibility.NONE,
                isGetterVisibility = JsonAutoDetect.Visibility.NONE,
                setterVisibility = JsonAutoDetect.Visibility.NONE)
public final class JobParameter implements Codable, Cloneable {

    @FieldConfig(codable = true)
    private String name;
    @FieldConfig(codable = true)
    private String value;
    @FieldConfig(codable = true)
    private String defaultValue;

    public JobParameter() {
    }

    public JobParameter(String name, String value, String defaultValue) {
        this.name = name;
        this.value = value;
        this.defaultValue = defaultValue;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getValue() {
        return value;
    }

    @Nonnull
    public String getValueOrDefault() {
        if (LessStrings.isEmpty(value)) {
            if (LessStrings.isEmpty(defaultValue)) {
                return "";
            } else {
                return defaultValue;
            }
        } else {
            return value;
        }
    }

    public void setValue(String value) {
        this.value = value;
    }

    public String getDefaultValue() {
        return defaultValue;
    }

    public void setDefaultValue(String defaultValue) {
        this.defaultValue = defaultValue;
    }

    public String getParamString() {
        return "%[" + (defaultValue != null ? name + ":" + defaultValue : name) + "]%";
    }

    @Override
    public boolean equals(Object other) {
        if (other.getClass() != JobParameter.class) {
            return false;
        }

        JobParameter o = (JobParameter) other;
        return name == o.name && value == o.value && defaultValue == o.defaultValue;
    }

    @Override
    public int hashCode() {
        int hashCode = 0;
        if (name != null) {
            hashCode ^= name.hashCode() * 7;
        }

        if (value != null) {
            hashCode ^= value.hashCode() * 13;
        }

        if (defaultValue!= null) {
            hashCode ^= defaultValue.hashCode() * 17;
        }

        return hashCode;
    }
}