/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.operator.ports.quickfix;

import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;

import com.rapidminer.gui.properties.AttributesPropertyDialog;
import com.rapidminer.gui.properties.ListPropertyDialog;
import com.rapidminer.gui.tools.dialogs.SetParameterDialog;
import com.rapidminer.operator.Operator;
import com.rapidminer.parameter.ParameterType;
import com.rapidminer.parameter.ParameterTypeAttributes;
import com.rapidminer.parameter.ParameterTypeBoolean;
import com.rapidminer.parameter.ParameterTypeConfiguration;
import com.rapidminer.parameter.ParameterTypeList;
import com.rapidminer.parameter.UndefinedParameterError;

/**
 * @author Sebastian Land
 */
public class ParameterSettingQuickFix extends AbstractQuickFix {

    private Operator operator;
    private String parameterName;
    private String value;

    public ParameterSettingQuickFix(Operator operator, String parameterName) {
        this(operator, parameterName, null, "set_parameter", new Object[] { parameterName.replace('_', ' ') });

        ParameterType type = operator.getParameterType(parameterName);
        if (type instanceof ParameterTypeConfiguration) {
            seti18nKey("set_parameters_using_wizard");
        } else if (type instanceof ParameterTypeList) {
            seti18nKey("set_parameter_list", parameterName);
        }
    }

    public ParameterSettingQuickFix(Operator operator, String parameterName, String value) {
        this(operator, parameterName, value, "correct_parameter_settings_by", parameterName, value);

        ParameterType type = operator.getParameterType(parameterName);
        if (type instanceof ParameterTypeConfiguration) {
            seti18nKey("correct_parameter_settings_with_wizard");
        } else if (type instanceof ParameterTypeList) {
            seti18nKey("correct_parameter_settings_list", parameterName);
        } else {
        }
        if (value != null) {
            if (type instanceof ParameterTypeBoolean) {
                if (value.equals("true")) {
                    seti18nKey("correct_parameter_settings_boolean_enable", parameterName);
                } else {
                    seti18nKey("correct_parameter_settings_boolean_disable", parameterName);
                }
            }
        }
    }

    /**
     * This constructor will build a quickfix that let's the user select an appropriate
     * value for the given parameter.
     */
    public ParameterSettingQuickFix(Operator operator, String parameterName, String i18nKey, Object... i18nArgs) {
        this(operator, parameterName, null, i18nKey, i18nArgs);
    }

    /**
     * This constructor will build a quickfix that will automatically set the parameter to the given value without
     * further user interaction. Use this constructor if you can comprehend the correct value.
     */
    public ParameterSettingQuickFix(Operator operator, String parameterName, String value, String i18nKey, Object... i18nArgs) {
        super(1, true, i18nKey, i18nArgs);
        this.operator = operator;
        this.parameterName = parameterName;
        this.value = value;
    }

    @Override
    public void apply() {
        ParameterType type = operator.getParameterType(parameterName);
        if (value != null) {
            operator.setParameter(parameterName, value);
        } else {
            if (type instanceof ParameterTypeConfiguration) {
                ParameterTypeConfiguration confType = (ParameterTypeConfiguration) type;
                confType.getWizardCreator().createConfigurationWizard(type, confType.getWizardListener());
            } else if (type instanceof ParameterTypeList) {
                List<String[]> list;
                try {
                    list = operator.getParameterList(parameterName);
                } catch (UndefinedParameterError e) {
                    list = new LinkedList<String[]>();
                }
                ListPropertyDialog dialog = new ListPropertyDialog((ParameterTypeList) type, list, operator);
                dialog.setVisible(true);
                if (dialog.isOk())
                    operator.setListParameter(parameterName, list);
            } else if (type instanceof ParameterTypeAttributes) {
                AttributesPropertyDialog dialog = new AttributesPropertyDialog((ParameterTypeAttributes) type, Collections.<String> emptyList());
                dialog.setVisible(true);
                if (dialog.isOk()) {
                    boolean first = true;
                    String attributeListString = "";
                    Collection<String> attributeNames = dialog.getSelectedAttributeNames();
                    for (String attributeName : attributeNames) {
                        if (!first) {
                            attributeListString = attributeListString.concat("|");
                        }
                        attributeListString = attributeListString.concat(attributeName);
                        first = false;
                    }
                    operator.setParameter(parameterName, attributeListString);
                }
            } else {
                SetParameterDialog dialog = new SetParameterDialog(operator, type);
                dialog.setVisible(true);
            }
        }
    }
}