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/*
* qtmaildir - a Qt6 mail client for notmuch-indexed Maildirs
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <QByteArray>
#include <QString>
#include "types.h"
struct Account;
/// Turns an OutgoingMessage into the RFC822 bytes that get sent.
///
/// ONE built message serves three consumers: the autosaved draft, the bytes on
/// the send command's stdin, and the sent copy. A draft is therefore
/// byte-identical to what would be sent.
///
/// GMime rather than assembling RFC822 by string. The alternative means
/// reimplementing RFC 2047 header encoding, quoted-printable for accented
/// bodies, boundary uniqueness and line-length limits. This user writes
/// Italian; a body containing an accented character is every message, and a
/// bug there produces mail that looks correct locally and arrives as mojibake.
namespace MessageBuilder {
struct Result
{
QByteArray bytes; ///< The complete message. Empty on failure.
QString error; ///< Empty on success.
QString messageId; ///< The generated Message-ID, for the caller's records.
bool ok() const { return error.isEmpty(); }
};
/// Builds \p message as sent from \p account.
///
/// Fails, rather than sending a partial message, when an attachment named in
/// the message no longer exists. That is checked HERE, at build time, rather
/// than when the file was attached: a file can vanish in between, and the
/// failure must stop the send rather than produce a message missing the thing
/// it was written to carry.
Result build(const OutgoingMessage &message, const Account &account);
} // namespace MessageBuilder
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