/*
 * Copyright 2014 MovingBlocks
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.terasology.rendering.nui.skin;

import org.terasology.assets.Asset;
import org.terasology.assets.AssetType;
import org.terasology.assets.ResourceUrn;
import org.terasology.assets.format.AssetDataFile;
import org.terasology.rendering.nui.UIWidget;

/**
 */
public class UISkin extends Asset<UISkinData> {

    private UISkinData skinData;

    private transient AssetDataFile source;

    public UISkin(ResourceUrn urn, AssetType<?, UISkinData> assetType, UISkinData data) {
        super(urn, assetType);
        reload(data);
    }

    @Override
    protected void doReload(UISkinData data) {
        this.skinData = data;
        this.source = data.getSource();
    }

    public UIStyle getDefaultStyle() {
        return getFamily("").getBaseStyle();
    }

    public UIStyle getDefaultStyleFor(String family) {
        return getFamily(family).getBaseStyle();
    }

    public UIStyle getDefaultStyleFor(Class<? extends UIWidget> element, String mode) {
        return getStyleFor("", element, mode);
    }

    public UIStyle getDefaultStyleFor(Class<? extends UIWidget> element, String part, String mode) {
        return getStyleFor("", element, part, mode);
    }

    public UIStyle getStyleFor(String family, Class<? extends UIWidget> element, String mode) {
        UIStyleFamily styleFamily = getFamily(family);
        if (element == null) {
            return styleFamily.getBaseStyle();
        }
        return styleFamily.getElementStyle(element, "", mode);
    }

    public UIStyle getStyleFor(String family, Class<? extends UIWidget> element, String part, String mode) {
        UIStyleFamily styleFamily = getFamily(family);
        if (element == null) {
            return styleFamily.getBaseStyle();
        }
        return styleFamily.getElementStyle(element, part, mode);
    }

    public UIStyleFamily getFamily(String family) {
        UIStyleFamily styleFamily = skinData.getFamily(family);
        if (styleFamily == null) {
            return skinData.getFamily("");
        }
        return styleFamily;
    }

    public Iterable<? extends String> getFamilies() {
        return skinData.skinFamilies.keySet();
    }

    public AssetDataFile getSource() {
        return source;
    }
}