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 * distributed with this work for additional information          *
 * regarding copyright ownership.  The ASF licenses this file     *
 * to you under the Apache License, Version 2.0 (the              *
 * "License"); you may not use this file except in compliance     *
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package org.apache.james.cli.mailbox;

import java.nio.charset.StandardCharsets;
import java.util.concurrent.Callable;

import org.apache.commons.io.IOUtils;
import org.apache.james.cli.WebAdminCli;
import org.apache.james.httpclient.MailboxClient;

import feign.Response;
import picocli.CommandLine;

@CommandLine.Command(
    name = "exist",
    description = "Check if a mailbox exists")
public class MailboxExistCommand implements Callable<Integer> {

    public static final int EXISTED_CODE = 204;
    public static final int INVALID_MAILBOX_NAME_CODE = 400;
    public static final int NOT_EXISTED_CODE = 404;

    @CommandLine.ParentCommand MailboxCommand mailboxCommand;

    @CommandLine.Parameters(description = "Username to be checked")
    String userName;

    @CommandLine.Parameters(description = "Mailbox's name to be tested existence")
    String mailboxName;

    @Override
    public Integer call() {
        try {
            MailboxClient mailboxClient = mailboxCommand.fullyQualifiedURL("/users");
            Response rs = mailboxClient.doesExist(userName, mailboxName);
            if (rs.status() == EXISTED_CODE) {
                mailboxCommand.out.println("The mailbox exists.");
                return WebAdminCli.CLI_FINISHED_SUCCEED;
            } else if (rs.status() == INVALID_MAILBOX_NAME_CODE) {
                mailboxCommand.err.println(IOUtils.toString(rs.body().asInputStream(), StandardCharsets.UTF_8));
                return WebAdminCli.CLI_FINISHED_FAILED;
            } else if (rs.status() == NOT_EXISTED_CODE) {
                mailboxCommand.out.println("Either the user name or the mailbox does not exist.");
                return WebAdminCli.CLI_FINISHED_SUCCEED;
            }
            return WebAdminCli.CLI_FINISHED_FAILED;
        } catch (Exception e) {
            e.printStackTrace(mailboxCommand.err);
            return WebAdminCli.CLI_FINISHED_FAILED;
        }
    }

}


