/*
 * SoapUI, Copyright (C) 2004-2016 SmartBear Software 
 *
 * Licensed under the EUPL, Version 1.1 or - as soon as they will be approved by the European Commission - subsequent 
 * versions of the EUPL (the "Licence"); 
 * You may not use this work except in compliance with the Licence. 
 * You may obtain a copy of the Licence at: 
 * 
 * http://ec.europa.eu/idabc/eupl 
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence is 
 * distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 
 * express or implied. See the Licence for the specific language governing permissions and limitations 
 * under the Licence. 
 */

package com.eviware.soapui.actions;

import com.eviware.soapui.SoapUI;
import com.eviware.soapui.model.settings.Settings;
import com.eviware.soapui.settings.Setting;
import com.eviware.soapui.support.components.DirectoryFormComponent;
import com.eviware.soapui.support.components.FileFormComponent;
import com.eviware.soapui.support.components.FileListFormComponent;
import com.eviware.soapui.support.components.SimpleForm;
import com.eviware.soapui.support.components.StringListFormComponent;
import com.eviware.soapui.support.types.StringToStringMap;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

/**
 * Support class for annotation-based settings
 *
 * @author ole.matzura
 */

public class AnnotatedSettingsPrefs implements Prefs {
    private SimpleForm simpleForm;
    private Class<?> settingsClass;
    private final String title;

    public AnnotatedSettingsPrefs(Class<?> settingsClass, String title) {
        this.settingsClass = settingsClass;
        this.title = title;
    }

    public SimpleForm getForm() {
        if (simpleForm == null) {
            simpleForm = new SimpleForm();
            simpleForm.addSpace(5);

            buildForm(simpleForm);

            simpleForm.addSpace(5);
        }

        return simpleForm;
    }

    public List<Setting> getSettings() {
        ArrayList<Setting> settings = new ArrayList<Setting>();
        for (Field field : settingsClass.getFields()) {
            Setting annotation = field.getAnnotation(Setting.class);
            if (annotation != null) {
                settings.add(annotation);
            }
        }
        return settings;
    }

    private void buildForm(SimpleForm form) {
        List<Setting> settings = getSettings();
        for (Setting annotation : settings) {
            switch (annotation.type()) {
                case BOOLEAN: {
                    form.appendCheckBox(annotation.name(), annotation.description(), false);
                    break;
                }
                case FILE: {
                    form.append(annotation.name(), new FileFormComponent(annotation.description()));
                    break;
                }
                case FILELIST: {
                    form.append(annotation.name(), new FileListFormComponent(annotation.description()));
                    break;
                }
                case STRINGLIST: {
                    form.append(annotation.name(), new StringListFormComponent(annotation.description()));
                    break;
                }
                case FOLDER: {
                    form.append(annotation.name(), new DirectoryFormComponent(annotation.description()));
                    break;
                }
                case ENUMERATION: {
                    form.appendComboBox(annotation.name(), annotation.values(), annotation.description());
                    break;
                }
                case PASSWORD: {
                    form.appendPasswordField(annotation.name(), annotation.description());
                    break;
                }
                default: {
                    form.appendTextField(annotation.name(), annotation.description());
                    break;
                }
            }
        }
    }

    public StringToStringMap getValues(Settings settings) {
        StringToStringMap result = new StringToStringMap();

        for (Field field : settingsClass.getFields()) {
            Setting annotation = field.getAnnotation(Setting.class);
            if (annotation != null) {
                try {
                    result.put(annotation.name(),
                            settings.getString(field.get(null).toString(), annotation.defaultValue()));
                } catch (Exception e) {
                    SoapUI.logError(e);
                }
            }
        }

        return result;
    }

    public void setFormValues(Settings settings) {
        getForm().setValues(getValues(settings));
    }

    public void getFormValues(Settings settings) {
        StringToStringMap values = new StringToStringMap();
        getForm().getValues(values);
        storeValues(values, settings);
    }

    public void storeValues(StringToStringMap values, Settings settings) {
        for (Field field : settingsClass.getFields()) {
            Setting annotation = field.getAnnotation(Setting.class);
            if (annotation != null) {
                try {
                    settings.setString(field.get(null).toString(), values.get(annotation.name()));
                } catch (IllegalArgumentException e) {
                    SoapUI.logError(e);
                } catch (IllegalAccessException e) {
                    SoapUI.logError(e);
                }
            }
        }
    }

    public String getTitle() {
        return title;
    }

}