CHGenerator/Sources/Generator/Content/ThumbnailStyle.swift

import Foundation

enum ThumbnailStyle: String, CaseIterable {

    case large

    case square

    case small

    var height: Int {
        switch self {
        case .large:
            return 210
        case .square:
            return 178
        case .small:
            return 78
        }
    }
    var width: Int {
        switch self {
        case .large:
            return 374
        case .square:
            return 178
        case .small:
            return 78
        }
    }
}

extension ThumbnailStyle: Codable {

}

extension ThumbnailStyle: StringProperty {

    init?(_ value: String) {
        self.init(rawValue: value)
    }

    static var castFailureReason: String {
        "Thumbnail style must be 'large', 'square' or 'small'"
    }
}

extension ThumbnailStyle: DefaultValueProvider {

    static var defaultValue: ThumbnailStyle { .large }
}