<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace KTXF\Mail\Service;

use KTXF\Mail\Entity\IMessageBase;
use KTXF\Mail\Entity\IMessageMutable;

/**
 * Mail Service Message Mutable Interface
 * 
 * Optional interface for services that support message CRUD operations.
 * Provides message creation, modification, deletion, copying, moving, and flag management.
 * 
 * @since 2025.05.01
 */
interface IServiceMessageMutable extends IServiceBase {

    public const CAPABILITY_MESSAGE_CREATE = 'MessageCreate';
    public const CAPABILITY_MESSAGE_MODIFY = 'MessageModify';
    public const CAPABILITY_MESSAGE_DESTROY = 'MessageDestroy';
    public const CAPABILITY_MESSAGE_COPY = 'MessageCopy';
    public const CAPABILITY_MESSAGE_MOVE = 'MessageMove';
    public const CAPABILITY_MESSAGE_FLAG = 'MessageFlag';

    /**
     * Creates a fresh message instance for composition
     *
     * @since 2025.05.01
     *
     * @return IMessageMutable Fresh message object
     */
    public function messageFresh(): IMessageMutable;

    /**
     * Creates/imports a message into a collection
     *
     * @since 2025.05.01
     *
     * @param string|int $collection Target collection ID
     * @param IMessageMutable $message Message to create
     * @param array $options Protocol-specific options (e.g., flags, keywords)
     *
     * @return IMessageBase Created message with assigned ID
     */
    public function messageCreate(string|int $collection, IMessageMutable $message, array $options = []): IMessageBase;

    /**
     * Modifies an existing message
     *
     * @since 2025.05.01
     *
     * @param string|int $collection Collection ID
     * @param string|int $identifier Message ID
     * @param IMessageMutable $message Updated message data
     *
     * @return IMessageBase Modified message
     */
    public function messageModify(string|int $collection, string|int $identifier, IMessageMutable $message): IMessageBase;

    /**
     * Destroys one or more messages
     *
     * @since 2025.05.01
     *
     * @param string|int $collection Collection ID
     * @param string|int ...$identifiers Message IDs to destroy
     *
     * @return array<string|int,bool> Map of ID => destroyed
     */
    public function messageDestroy(string|int $collection, string|int ...$identifiers): array;

    /**
     * Copies messages to another collection
     *
     * @since 2025.05.01
     *
     * @param string|int $sourceCollection Source collection ID
     * @param string|int $targetCollection Target collection ID
     * @param string|int ...$identifiers Message IDs to copy
     *
     * @return array<string|int,string|int> Map of source ID => new ID
     */
    public function messageCopy(string|int $sourceCollection, string|int $targetCollection, string|int ...$identifiers): array;

    /**
     * Moves messages to another collection
     *
     * @since 2025.05.01
     *
     * @param string|int $sourceCollection Source collection ID
     * @param string|int $targetCollection Target collection ID
     * @param string|int ...$identifiers Message IDs to move
     *
     * @return array<string|int,bool> Map of ID => moved
     */
    public function messageMove(string|int $sourceCollection, string|int $targetCollection, string|int ...$identifiers): array;

    /**
     * Sets flags on messages
     *
     * @since 2025.05.01
     *
     * @param string|int $collection Collection ID
     * @param array $flags Flags to set (e.g., ['\Seen', '\Flagged'])
     * @param bool $value True to add flags, false to remove
     * @param string|int ...$identifiers Message IDs
     *
     * @return array<string|int,bool> Map of ID => success
     */
    public function messageFlag(string|int $collection, array $flags, bool $value, string|int ...$identifiers): array;

}