/*
 * Minecraft Forge
 * Copyright (c) 2016-2018.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation version 2.1
 * of the License.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

package net.minecraftforge.fml.client;

import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.resources.DownloadingPackFinder;
import net.minecraft.client.resources.ResourcePackInfoClient;
import net.minecraft.resources.IReloadableResourceManager;
import net.minecraft.resources.ResourcePackList;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import net.minecraftforge.fml.LoadingFailedException;
import net.minecraftforge.fml.LogicalSidedProvider;
import net.minecraftforge.fml.ModLoader;
import net.minecraftforge.fml.SidedProvider;
import net.minecraftforge.fml.VersionChecker;
import net.minecraftforge.fml.client.gui.LoadingErrorScreen;
import net.minecraftforge.fml.packs.ResourcePackLoader;

@OnlyIn(Dist.CLIENT)
public class ClientModLoader
{
    private static boolean loading;
    private static Minecraft mc;
    private static LoadingFailedException error;

    public static void begin(final Minecraft minecraft, final ResourcePackList<ResourcePackInfoClient> defaultResourcePacks, final IReloadableResourceManager mcResourceManager, DownloadingPackFinder metadataSerializer)
    {
        loading = true;
        ClientModLoader.mc = minecraft;
        SidedProvider.setClient(()->minecraft);
        LogicalSidedProvider.setClient(()->minecraft);
        try {
            ModLoader.get().loadMods();
        } catch (LoadingFailedException e) {
            error = e;
        }
        ResourcePackLoader.loadResourcePacks(defaultResourcePacks);
    }

    public static void end()
    {
        try {
            ModLoader.get().finishMods();
        } catch (LoadingFailedException e) {
            if (error == null) error = e;
        }
        loading = false;
        mc.gameSettings.loadOptions();
    }

    public static VersionChecker.Status checkForUpdates()
    {
        return VersionChecker.Status.UP_TO_DATE;
    }

    public static void complete()
    {
        GlStateManager.disableTexture2D();
        GlStateManager.enableTexture2D();
        if (error != null) {
            mc.displayGuiScreen(new LoadingErrorScreen(error));
        }
    }

    public static boolean isLoading()
    {
        return loading;
    }
}