/*

    Copyright (C) 2017 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    A struct used throughout the sample to represent example data.

*/

import Foundation

struct DataItem: Equatable {

    // MARK: Types

    enum Group: String {

        case Scenery

        case Iceland

        case Lola

        case Baby

        static let allGroups: [Group] = [.Scenery, .Iceland, .Lola, .Baby]

    }

    // MARK: Properties

    let group: Group

    let number: Int

    let title: String

    var identifier: String {

        return "\(group.rawValue).\(number)"

    }

    var displayURL: URL {

        var components = URLComponents()

        components.scheme = "uikitcatalog"

        components.path = "dataItem"

        components.queryItems = [URLQueryItem(name: "identifier", value: identifier)]

        return components.url!

    }

    var imageURL: URL {

        let mainBundle = Bundle.main

        guard let imageURL = mainBundle.url(forResource: imageName, withExtension: nil) else { fatalError("Error determining local image URL.") }

        return imageURL

    }

}

// MARK: Equatable

func ==(lhs: DataItem, rhs: DataItem)-> Bool {

    // Two `DataItem`s are considered equal if their identifiers and titles match.

    return lhs.identifier == rhs.identifier && lhs.title == rhs.title

}