//
// The MIT License (MIT)
//
// Copyright (c) 2015-present Badoo Trading Limited.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.


import UIKit

public protocol ChatPositionScrollable: AnyObject {
    func scrollToBottom(animated: Bool)

    func scrollToItem(
        withId: String,
        position: UICollectionView.ScrollPosition,
        animated: Bool,
        spotlight: Bool
    )
}

public extension ChatPositionScrollable {
    func scrollToItem(withId itemId: String,
                      position: UICollectionView.ScrollPosition,
                      animated: Bool) {
        self.scrollToItem(withId: itemId, position: position, animated: animated, spotlight: false)
    }
}

public protocol ChatMessagesCollectionHolderProtocol: ChatPositionScrollable {
    var collectionView: UICollectionView { get }
    var isScrolledAtBottom: Bool { get }
    var layoutConfiguration: ChatLayoutConfigurationProtocol { get set }
    var chatItemCompanionCollection: ChatItemCompanionCollection { get }

    func refreshContent(completionBlock: (() -> Void)?)
}

public extension ChatMessagesCollectionHolderProtocol {
    func refreshContent() {
        self.refreshContent(completionBlock: nil)
    }
}
