//
// Swiftfin is subject to the terms of the Mozilla Public
// License, v2.0. If a copy of the MPL was not distributed with this
// file, you can obtain one at https://mozilla.org/MPL/2.0/.
//
// Copyright (c) 2022 Jellyfin & Jellyfin Contributors
//

import Foundation

enum PlaybackSpeed: Double, CaseIterable {
    case quarter = 0.25
    case half = 0.5
    case threeQuarter = 0.75
    case one = 1.0
    case oneQuarter = 1.25
    case oneHalf = 1.5
    case oneThreeQuarter = 1.75
    case two = 2.0

    var displayTitle: String {
        switch self {
        case .quarter:
            return "0.25x"
        case .half:
            return "0.5x"
        case .threeQuarter:
            return "0.75x"
        case .one:
            return "1x"
        case .oneQuarter:
            return "1.25x"
        case .oneHalf:
            return "1.5x"
        case .oneThreeQuarter:
            return "1.75x"
        case .two:
            return "2x"
        }
    }

    var previous: PlaybackSpeed? {
        switch self {
        case .quarter:
            return nil
        case .half:
            return .quarter
        case .threeQuarter:
            return .half
        case .one:
            return .threeQuarter
        case .oneQuarter:
            return .one
        case .oneHalf:
            return .oneQuarter
        case .oneThreeQuarter:
            return .oneHalf
        case .two:
            return .oneThreeQuarter
        }
    }

    var next: PlaybackSpeed? {
        switch self {
        case .quarter:
            return .half
        case .half:
            return .threeQuarter
        case .threeQuarter:
            return .one
        case .one:
            return .oneQuarter
        case .oneQuarter:
            return .oneHalf
        case .oneHalf:
            return .oneThreeQuarter
        case .oneThreeQuarter:
            return .two
        case .two:
            return nil
        }
    }
}