/*******************************************************************************
 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others.  All rights reserved.
 *  
 *  This program and the accompanying materials are made available under the
 *  terms of the Eclipse Public License v1.0 which accompanies this distribution,
 *  and is available at http://www.eclipse.org/legal/epl-v10.html
 *  
 *******************************************************************************/
package com.cisco.yangide.ext.model.editor.util;

import java.util.Arrays;
import java.util.List;

import org.eclipse.ui.views.properties.ComboBoxPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;

import com.cisco.yangide.ext.model.editor.property.DialogTextPropertyDescriptor;

public enum YangTag {
    DESCRIPTION, YANG_VERSION("yang-version"), NAMESPACE, PREFIX, ORGANIZATION(true), CONTACT, REFERENCE, CONFIG(
            Arrays.asList(Strings.EMPTY_STRING, Boolean.TRUE.toString(), Boolean.FALSE.toString())), MANDATORY(
                    Arrays.asList(Strings.EMPTY_STRING, Boolean.TRUE.toString(), Boolean.FALSE.toString())), STATUS(
                            Arrays.asList(Strings.EMPTY_STRING, "current", "deprecated", "obsolete")), PRESENCE(
                                    Arrays.asList(Strings.EMPTY_STRING, Boolean.TRUE.toString(),
                                            Boolean.FALSE.toString())), ORDERED_BY(
                                                    "ordered-by",
                                                    Arrays.asList(Strings.EMPTY_STRING, "user", "system",
                                                            "obsolete")), DEFAULT, UNITS, MAX_ELEMENTS(
                                                                    "max-elements"), MIN_ELEMENTS("min-elements");
    private String name;
    private boolean required;
    private List<String> possibleValues;
    private IPropertyDescriptor pd;

    private YangTag() {
        required = false;
    }

    private YangTag(boolean required) {
        this();
        this.required = required;
    }

    private YangTag(String name) {
        this();
        this.name = name;
    }

    private YangTag(List<String> possibleValues) {
        this();
        this.possibleValues = possibleValues;
    }

    private YangTag(String name, List<String> possibleValues) {
        this();
        this.name = name;
        this.possibleValues = possibleValues;
    }

    public String getDescriptor() {
        return toString();
    }

    public String getName() {
        if (null == name) {
            return toString().toLowerCase();
        }
        return name;
    }

    public boolean isRequired() {
        return required;
    }

    public List<String> getPossibleValues() {
        return possibleValues;
    }

    public IPropertyDescriptor getPropertyDescriptor() {
        if (null == pd) {
            if (this == DESCRIPTION || this == CONTACT || this == ORGANIZATION || this == REFERENCE) {
                return new DialogTextPropertyDescriptor(this, getName());
            } else if (null != possibleValues && !possibleValues.isEmpty()) {
                pd = new ComboBoxPropertyDescriptor(this, getName(), possibleValues.toArray(new String[0]));
            } else {
                pd = new TextPropertyDescriptor(this, getName());
            }
        }
        return pd;
    }
}