seeseemelk/MockBukkit

package be.seeseemelk.mockbukkit.inventory.meta;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.bukkit.NamespacedKey;
import org.bukkit.inventory.meta.KnowledgeBookMeta;
import org.jetbrains.annotations.NotNull;

/**
 * This {@link ItemMetaMock} mocks the implementation of {@link KnowledgeBookMeta}.
 * 
 * @author TheBusyBiscuit
 *
 */
public class KnowledgeBookMetaMock extends ItemMetaMock implements KnowledgeBookMeta
{

    private static final int MAX_RECIPES = 32767;

    private final List<NamespacedKey> recipes = new ArrayList<>();

    public KnowledgeBookMetaMock()
    {
        super();
    }

    public KnowledgeBookMetaMock(KnowledgeBookMeta meta)
    {
        super(meta);

        recipes.addAll(meta.getRecipes());
    }

    @Override
    public int hashCode()
    {
        final int prime = 31;
        int result = super.hashCode();
        return prime * result + recipes.hashCode();
    }

    @Override
    public boolean equals(Object obj)
    {
        if (this == obj)
        {
            return true;
        }
        if (!super.equals(obj))
        {
            return false;
        }
        if (!(obj instanceof KnowledgeBookMetaMock))
        {
            return false;
        }

        KnowledgeBookMetaMock other = (KnowledgeBookMetaMock) obj;
        return recipes.equals(other.recipes);
    }

    @Override
    public KnowledgeBookMetaMock clone()
    {
        KnowledgeBookMetaMock mock = (KnowledgeBookMetaMock) super.clone();
        mock.recipes.addAll(recipes);
        return mock;
    }

    @Override
    public void addRecipe(@NotNull NamespacedKey... recipes)
    {
        for (NamespacedKey recipe : recipes)
        {
            if (this.recipes.size() >= MAX_RECIPES)
            {
                return;
            }

            if (recipe != null)
            {
                this.recipes.add(recipe);
            }
        }
    }

    @Override
    public @NotNull List<NamespacedKey> getRecipes()
    {
        return Collections.unmodifiableList(recipes);
    }

    @Override
    public boolean hasRecipes()
    {
        return !recipes.isEmpty();
    }

    @Override
    public void setRecipes(@NotNull List<NamespacedKey> recipes)
    {
        this.recipes.clear();
        this.addRecipe(recipes.toArray(new NamespacedKey[0]));
    }

}