//
// Copyright 2025 Element Creations Ltd.
// Copyright 2023-2025 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
// Please see LICENSE files in the repository root for full details.
//

import Foundation

/// In the future we might use this to do some customisation in what is plain text used to represent mentions.
nonisolated struct PlainMentionBuilder: MentionBuilderProtocol {
    func handleEventOnRoomAliasMention(for attributedString: NSMutableAttributedString, in range: NSRange, url: URL, eventID: String, roomAlias: String) { }
    
    func handleEventOnRoomIDMention(for attributedString: NSMutableAttributedString, in range: NSRange, url: URL, eventID: String, roomID: String) { }
    
    func handleRoomAliasMention(for attributedString: NSMutableAttributedString, in range: NSRange, url: URL, roomAlias: String, roomDisplayName: String?) { }
    
    func handleAllUsersMention(for attributedString: NSMutableAttributedString, in range: NSRange) { }
    
    func handleUserMention(for attributedString: NSMutableAttributedString, in range: NSRange, url: URL, userID: String, userDisplayName: String?) {
        guard !attributedString.attributedSubstring(from: range).string.hasPrefix("@") else {
            return
        }
        attributedString.insert(NSAttributedString(string: "@"), at: range.location)
    }
    
    func handleRoomIDMention(for attributedString: NSMutableAttributedString, in range: NSRange, url: URL, roomID: String) { }
}