//

// ChatLayout

// ChatLayoutPositionSnapshot.swift

// https://github.com/ekazaev/ChatLayout

//

// Created by Eugene Kazaev in 2020-2023.

// Distributed under the MIT license.

//

// Become a sponsor:

// https://github.com/sponsors/ekazaev

//

import Foundation

import UIKit

/// Represents content offset position expressed by the specific item and it offset from the top or bottom edge.

public struct ChatLayoutPositionSnapshot: Hashable {

    /// Represents the edge.

    public enum Edge: Hashable {

        /// Top edge of the `UICollectionView`

        case top

        /// Bottom edge of the `UICollectionView`

        case bottom

    }

    /// Item's `IndexPath`

    public var indexPath: IndexPath

    /// Kind of item at the `indexPath`

    public var kind: ItemKind

    /// The edge of the offset.

    public var edge: Edge

    /// The offset from the `edge`.

    public var offset: CGFloat

    /// Constructor

    /// - Parameters:

    ///   - indexPath: Item's `IndexPath`

    ///   - edge: The edge of the offset.

    ///   - offset: The offset from the `edge`.

    ///   - kind: Kind of item at the `indexPath`

    public init(indexPath: IndexPath,

                kind: ItemKind,

                edge: Edge,

}