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package org.apache.james.webadmin.service;

import java.util.Optional;

import javax.inject.Inject;

import org.apache.james.core.quota.QuotaCountLimit;
import org.apache.james.core.quota.QuotaSizeLimit;
import org.apache.james.mailbox.exception.MailboxException;
import org.apache.james.mailbox.quota.MaxQuotaManager;
import org.apache.james.webadmin.dto.ValidatedQuotaDTO;

public class GlobalQuotaService {

    private final MaxQuotaManager maxQuotaManager;

    @Inject
    public GlobalQuotaService(MaxQuotaManager maxQuotaManager) {
        this.maxQuotaManager = maxQuotaManager;
    }

    public void defineQuota(ValidatedQuotaDTO quota) throws MailboxException {
        Optional count = quota.getCount();
        if (count.isPresent()) {
            maxQuotaManager.setGlobalMaxMessage(count.get());
        } else {
            maxQuotaManager.removeGlobalMaxMessage();
        }

        Optional size = quota.getSize();
        if (size.isPresent()) {
            maxQuotaManager.setGlobalMaxStorage(size.get());
        } else {
            maxQuotaManager.removeGlobalMaxStorage();
        }
    }

    public ValidatedQuotaDTO getQuota() throws MailboxException {
        return ValidatedQuotaDTO
            .builder()
            .count(maxQuotaManager.getGlobalMaxMessage())
            .size(maxQuotaManager.getGlobalMaxStorage())
            .build();
    }

    public Optional getMaxSizeQuota() throws MailboxException {
        return maxQuotaManager.getGlobalMaxStorage();
    }

    public void defineMaxSizeQuota(QuotaSizeLimit quotaRequest) throws MailboxException {
        maxQuotaManager.setGlobalMaxStorage(quotaRequest);
    }

    public void deleteMaxSizeQuota() throws MailboxException {
        maxQuotaManager.removeGlobalMaxStorage();
    }

    public Optional getMaxCountQuota() throws MailboxException {
        return maxQuotaManager.getGlobalMaxMessage();
    }

    public void defineMaxCountQuota(QuotaCountLimit value) throws MailboxException {
        maxQuotaManager.setGlobalMaxMessage(value);
    }

    public void deleteMaxCountQuota() throws MailboxException {
        maxQuotaManager.removeGlobalMaxMessage();
    }
}