/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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 com.android.tv.menu;

import android.content.Context;
import android.support.annotation.Nullable;
import android.text.TextUtils;

import com.android.tv.MainActivity;
import com.android.tv.R;
import com.android.tv.common.customization.CustomAction;
import com.android.tv.common.customization.CustomizationManager;
import com.android.tv.menu.MenuRowFactory.Factory;
import com.android.tv.ui.TunableTvView;

import com.google.auto.factory.AutoFactory;
import com.google.auto.factory.Provided;

import java.util.List;

/** A factory class to create menu rows. */
@AutoFactory(implementing = Factory.class)
public class MenuRowFactory {

    /** Factory for a {@link MenuRowFactory}. */
    public interface Factory {
        /** Creates a {@link MenuRowFactory} */
        MenuRowFactory create(MainActivity mainActivity, TunableTvView tvView);
    }

    private final MainActivity mMainActivity;
    private final TunableTvView mTvView;
    private final CustomizationManager mCustomizationManager;
    private final TvOptionsRowAdapter.Factory mTvOptionsRowAdapterFactory;

    /** A constructor. */
    public MenuRowFactory(
            MainActivity mainActivity,
            TunableTvView tvView,
            @Provided TvOptionsRowAdapter.Factory tvOptionsRowAdapterFactory) {
        mMainActivity = mainActivity;
        mTvView = tvView;
        mCustomizationManager = new CustomizationManager(mainActivity);
        mTvOptionsRowAdapterFactory = tvOptionsRowAdapterFactory;
        mCustomizationManager.initialize();
    }

    /** Creates an object corresponding to the given {@code key}. */
    @Nullable
    public MenuRow createMenuRow(Menu menu, Class<?> key) {
        if (PlayControlsRow.class.equals(key)) {
            return new PlayControlsRow(
                    mMainActivity, mTvView, menu, mMainActivity.getTimeShiftManager());
        } else if (ChannelsRow.class.equals(key)) {
            return new ChannelsRow(mMainActivity, menu, mMainActivity.getProgramDataManager());
        } else if (PartnerRow.class.equals(key)) {
            List<CustomAction> customActions =
                    mCustomizationManager.getCustomActions(CustomizationManager.ID_PARTNER_ROW);
            String title = mCustomizationManager.getPartnerRowTitle();
            if (customActions != null && !TextUtils.isEmpty(title)) {
                return new PartnerRow(mMainActivity, menu, title, customActions);
            }
            return null;
        } else if (TvOptionsRow.class.equals(key)) {
            return new TvOptionsRow(
                    mMainActivity,
                    menu,
                    mCustomizationManager.getCustomActions(CustomizationManager.ID_OPTIONS_ROW),
                    mTvOptionsRowAdapterFactory);
        }
        return null;
    }

    /** A menu row which represents the TV options row. */
    public static class TvOptionsRow extends ItemListRow {
        /** The ID of the row. */
        public static final String ID = TvOptionsRow.class.getName();

        private TvOptionsRow(
                Context context,
                Menu menu,
                @Nullable List<CustomAction> customActions,
                TvOptionsRowAdapter.Factory tvOptionsRowAdapterFactory) {
            super(
                    context,
                    menu,
                    R.string.menu_title_options,
                    R.dimen.action_card_height,
                    tvOptionsRowAdapterFactory.create(context, customActions));
        }
    }

    /** A menu row which represents the partner row. */
    public static class PartnerRow extends ItemListRow {
        private PartnerRow(
                Context context, Menu menu, String title, List<CustomAction> customActions) {
            super(
                    context,
                    menu,
                    title,
                    R.dimen.action_card_height,
                    new PartnerOptionsRowAdapter(context, customActions));
        }
    }
}