/*
 * This file is part of Baritone.
 *
 * Baritone 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
 */

package tenor;

import java.util.List;

public class AquireCraftingItems extends QuantizedTaskNode implements ClaimProvider {

    CraftingTask output;

    public AquireCraftingItems() {
        super(DependencyType.PARALLEL_ALL);
    }

    @Override
    public double priorityAllocatedTo(IQuantizedParentTaskRelationship child, int quantity) {
        AquireItemTask resource = (AquireItemTask) child.childTask(); // all our dependents are aquire item tasks
        int amount = output.inputSizeFor(resource);

        // they could provide us with quantity
        int actualQuantity = (int) Math.ceil(quantity * 1.0D / amount);
        // so we could do the crafting recipe this many times
        // how good would that be?allocatedPriority
        return priority().value(actualQuantity);
    }

    @Override
    public IQuantityRelationship priority() {
        return ((List<IQuantizedChildTaskRelationship>) (Object) parentTasks()).get(0)::allocatedPriority; // gamer style
    }

    @Override
    public IQuantityRelationship cost() {
        return null;
    }

    @Override
    public int quantityCompletedForParent(IQuantizedChildTaskRelationship relationship) {
        // our only parent is the crafting task
        int minCompletion = Integer.MAX_VALUE;
        for (IQuantizedChildTaskRelationship resource : (List<IQuantizedChildTaskRelationship>) (Object) childTasks()) {
            int amountForUs = resource.quantityCompleted();

            int amountPerCraft = output.inputSizeFor((AquireItemTask) resource.childTask());

            int actualQuantity = (int) Math.ceil(amountForUs * 1.0D / amountPerCraft);

            if (actualQuantity < minCompletion || minCompletion == Integer.MAX_VALUE) {
                minCompletion = actualQuantity; // any missing ingredient and we aren't really done
            }
        }
        return minCompletion;
    }
}