controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/MockPricingController.java


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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.api.integration;

import com.yahoo.vespa.hosted.controller.api.integration.billing.Plan;
import com.yahoo.vespa.hosted.controller.api.integration.pricing.ApplicationResources;
import com.yahoo.vespa.hosted.controller.api.integration.pricing.PriceInformation;
import com.yahoo.vespa.hosted.controller.api.integration.pricing.Prices;
import com.yahoo.vespa.hosted.controller.api.integration.pricing.PricingController;
import com.yahoo.vespa.hosted.controller.api.integration.pricing.PricingInfo;

import java.math.BigDecimal;
import java.util.List;

import static com.yahoo.vespa.hosted.controller.api.integration.pricing.PricingInfo.SupportLevel.BASIC;
import static java.math.BigDecimal.ZERO;
import static java.math.BigDecimal.valueOf;

public class MockPricingController implements PricingController {

    private static final BigDecimal cpuCost = new BigDecimal("1.00");
    private static final BigDecimal memoryCost = new BigDecimal("0.10");
    private static final BigDecimal diskCost = new BigDecimal("0.005");

    @Override
    public Prices priceForApplications(List<ApplicationResources> applicationResources, PricingInfo pricingInfo, Plan plan) {
        ApplicationResources resources = applicationResources.get(0);

        BigDecimal listPrice = resources.vcpu().multiply(cpuCost)
                .add(resources.memoryGb().multiply(memoryCost)
                .add(resources.diskGb().multiply(diskCost))
                .add(resources.enclaveVcpu().multiply(cpuCost)
                .add(resources.enclaveMemoryGb().multiply(memoryCost))
                .add(resources.enclaveDiskGb().multiply(diskCost))));

        BigDecimal supportLevelCost = pricingInfo.supportLevel() == BASIC ? new BigDecimal("-1.00") : new BigDecimal("8.00");
        BigDecimal listPriceWithSupport = listPrice.add(supportLevelCost);
        BigDecimal enclaveDiscount = isEnclave(resources) ? new BigDecimal("-0.15") : BigDecimal.ZERO;
        BigDecimal volumeDiscount = new BigDecimal("-0.1");
        BigDecimal appTotalAmount = listPrice.add(supportLevelCost).add(enclaveDiscount).add(volumeDiscount);

        List<PriceInformation> appPrices = applicationResources.stream()
                .map(appResources -> new PriceInformation(listPriceWithSupport,
                                                          volumeDiscount,
                                                          ZERO,
                                                          enclaveDiscount,
                                                          appTotalAmount))
                .toList();

        PriceInformation sum = PriceInformation.sum(appPrices);
        var committedAmountDiscount = new BigDecimal("-0.2");
        var totalAmount = sum.totalAmount().add(committedAmountDiscount);
        var enclave = ZERO;
        if (resources.enclave() && totalAmount.compareTo(new BigDecimal("14.00")) < 0)
            enclave = new BigDecimal("14.00").subtract(totalAmount);
        var totalPrice = new PriceInformation(ZERO, ZERO, committedAmountDiscount, enclave, totalAmount);

        return new Prices(appPrices, totalPrice);
    }

    private static boolean isEnclave(ApplicationResources resources) {
        return resources.enclaveVcpu().compareTo(ZERO) > 0;
    }

}