/* 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 org.activiti.workflow.simple.definition.form;

import java.util.ArrayList;
import java.util.List;

import org.activiti.workflow.simple.exception.SimpleWorkflowException;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;

/**
 * A group of {@link FormPropertyDefinition}s which belong together.
 * 
 * @author Frederik Heremans
 */
public class FormPropertyGroup implements FormPropertyDefinitionContainer {

    protected String title;
    protected String id;
    protected String type;

    protected List<FormPropertyDefinition> formPropertyDefinitions = new ArrayList<FormPropertyDefinition>();

    public FormPropertyGroup() {
    }

    public FormPropertyGroup(String id, String type, String title) {
        this.id = id;
        this.type = type;
        this.title = title;
    }

    @JsonDeserialize(contentAs = FormPropertyDefinition.class)
    @JsonProperty(value = "formProperties")
    public List<FormPropertyDefinition> getFormPropertyDefinitions() {
        return formPropertyDefinitions;
    }

    @Override
    public void addFormProperty(FormPropertyDefinition definition) {
        formPropertyDefinitions.add(definition);
    }

    @Override
    public boolean removeFormProperty(FormPropertyDefinition definition) {
        return formPropertyDefinitions.remove(definition);
    }

    public void setFormPropertyDefinitions(List<FormPropertyDefinition> formPropertyDefinitions) {
        this.formPropertyDefinitions = formPropertyDefinitions;
    }

    public FormPropertyGroup addFormPropertyDefinition(FormPropertyDefinition definition) {
        if (definition == null) {
            throw new SimpleWorkflowException("Definition to add cannot be null");
        }

        formPropertyDefinitions.add(definition);
        return this;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getTitle() {
        return title;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public FormPropertyGroup clone() {
        FormPropertyGroup clone = new FormPropertyGroup();
        clone.setValues(this);
        return clone;
    }

    public void setValues(FormPropertyGroup otherGroup) {
        if (!(otherGroup instanceof FormPropertyGroup)) {
            throw new SimpleWorkflowException("An instance of FormPropertyGroup is required to set values");
        }

        FormPropertyGroup formGroup = (FormPropertyGroup) otherGroup;
        setId(formGroup.getId());
        setTitle(formGroup.getTitle());
        setType(formGroup.getType());

        List<FormPropertyDefinition> definitionList = new ArrayList<FormPropertyDefinition>();
        if (formGroup.getFormPropertyDefinitions() != null && !formGroup.getFormPropertyDefinitions().isEmpty()) {
            for (FormPropertyDefinition propertyDefinition : formGroup.getFormPropertyDefinitions()) {
                definitionList.add(propertyDefinition.clone());
            }
        }
        setFormPropertyDefinitions(definitionList);
    }
}