/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  com.google.common.collect.Lists
 *  com.mojang.logging.LogUtils
 *  org.slf4j.Logger
 */
package net.minecraft.server.packs.resources;

import com.google.common.collect.Lists;
import com.mojang.logging.LogUtils;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import net.minecraft.resources.Identifier;
import net.minecraft.server.packs.PackResources;
import net.minecraft.server.packs.PackType;
import net.minecraft.server.packs.resources.CloseableResourceManager;
import net.minecraft.server.packs.resources.MultiPackResourceManager;
import net.minecraft.server.packs.resources.PreparableReloadListener;
import net.minecraft.server.packs.resources.ReloadInstance;
import net.minecraft.server.packs.resources.Resource;
import net.minecraft.server.packs.resources.ResourceManager;
import net.minecraft.server.packs.resources.SimpleReloadInstance;
import net.minecraft.util.Unit;
import org.slf4j.Logger;

public class ReloadableResourceManager
implements AutoCloseable,
ResourceManager {
    private static final Logger LOGGER = LogUtils.getLogger();
    private CloseableResourceManager resources;
    private final List<PreparableReloadListener> listeners = Lists.newArrayList();
    private final PackType type;

    public ReloadableResourceManager(PackType type) {
        this.type = type;
        this.resources = new MultiPackResourceManager(type, List.of());
    }

    @Override
    public void close() {
        this.resources.close();
    }

    public void registerReloadListener(PreparableReloadListener listener) {
        this.listeners.add(listener);
    }

    public ReloadInstance createReload(Executor backgroundExecutor, Executor mainThreadExecutor, CompletableFuture<Unit> initialTask, List<PackResources> resourcePacks) {
        LOGGER.info("Reloading ResourceManager: {}", LogUtils.defer(() -> resourcePacks.stream().map(PackResources::packId).collect(Collectors.joining(", "))));
        this.resources.close();
        this.resources = new MultiPackResourceManager(this.type, resourcePacks);
        return SimpleReloadInstance.create(this.resources, this.listeners, backgroundExecutor, mainThreadExecutor, initialTask, LOGGER.isDebugEnabled());
    }

    @Override
    public Optional<Resource> getResource(Identifier location) {
        return this.resources.getResource(location);
    }

    @Override
    public Set<String> getNamespaces() {
        return this.resources.getNamespaces();
    }

    @Override
    public List<Resource> getResourceStack(Identifier location) {
        return this.resources.getResourceStack(location);
    }

    @Override
    public Map<Identifier, Resource> listResources(String directory, Predicate<Identifier> filenameFilter) {
        return this.resources.listResources(directory, filenameFilter);
    }

    @Override
    public Map<Identifier, List<Resource>> listResourceStacks(String directory, Predicate<Identifier> filter) {
        return this.resources.listResourceStacks(directory, filter);
    }

    @Override
    public Stream<PackResources> listPacks() {
        return this.resources.listPacks();
    }
}