package org.citra.emu.settings.view;

import org.citra.emu.settings.model.IntSetting;
import org.citra.emu.settings.model.Setting;

public final class SingleChoiceSetting extends SettingsItem {
    private int mDefaultValue;

    private int mChoicesId;
    private int mValuesId;

    public SingleChoiceSetting(String key, String section, int titleId, int descriptionId,
                               int choicesId, int valuesId, int defaultValue, Setting setting) {
        super(key, section, setting, titleId, descriptionId);
        mValuesId = valuesId;
        mChoicesId = choicesId;
        mDefaultValue = defaultValue;
    }

    public int getChoicesId() {
        return mChoicesId;
    }

    public int getValuesId() {
        return mValuesId;
    }

    public int getSelectedValue() {
        if (getSetting() != null) {
            IntSetting setting = (IntSetting)getSetting();
            return setting.getValue();
        } else {
            return mDefaultValue;
        }
    }

    /**
     * Write a value to the backing int. If that int was previously null,
     * initializes a new one and returns it, so it can be added to the Hashmap.
     *
     * @param selection New value of the int.
     * @return null if overwritten successfully otherwise; a newly created IntSetting.
     */
    public IntSetting setSelectedValue(int selection) {
        if (getSetting() == null) {
            IntSetting setting = new IntSetting(getKey(), getSection(), selection);
            setSetting(setting);
            return setting;
        } else {
            IntSetting setting = (IntSetting)getSetting();
            setting.setValue(selection);
            return null;
        }
    }

    @Override
    public int getType() {
        return TYPE_SINGLE_CHOICE;
    }
}
