package org.citra.emu.settings.view;

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

public class StringSingleChoiceSetting extends SettingsItem {
    private String mDefaultValue;

    private String[] mChoicesId;
    private String[] mValuesId;

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

    public String[] getChoicesId() {
        return mChoicesId;
    }

    public String[] getValuesId() {
        return mValuesId;
    }

    public String getValueAt(int index) {
        if (mValuesId == null)
            return null;

        if (index >= 0 && index < mValuesId.length) {
            return mValuesId[index];
        }

        return "";
    }

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

    public int getSelectValueIndex() {
        String selectedValue = getSelectedValue();
        for (int i = 0; i < mValuesId.length; i++) {
            if (mValuesId[i].equals(selectedValue)) {
                return i;
            }
        }

        return -1;
    }

    /**
     * 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 StringSetting setSelectedValue(String selection) {
        if (getSetting() == null) {
            StringSetting setting = new StringSetting(getKey(), getSection(), selection);
            setSetting(setting);
            return setting;
        } else {
            StringSetting setting = (StringSetting)getSetting();
            setting.setValue(selection);
            return null;
        }
    }

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