import Foundation

final class LocalizedPostSettings: ObservableObject {

    /// The page title for the post feed
    @Published
    var title: String

    /// The page description for the post feed
    @Published
    var description: String

    /// The path to the feed in the final website, appended with the page number
    @Published
    var feedUrlPrefix: String

    /**
     The text to display when linking to a page

     Each post may define a custom text.
     */
    @Published
    var defaultPageLinkText: String

    init(title: String, description: String, feedUrlPrefix: String, defaultPageLinkText: String) {
        self.title = title
        self.description = description
        self.feedUrlPrefix = feedUrlPrefix
        self.defaultPageLinkText = defaultPageLinkText
    }
}

// MARK: Storage

extension LocalizedPostSettings {

    convenience init(data: Data) {
        self.init(
            title: data.feedTitle,
            description: data.feedDescription,
            feedUrlPrefix: data.feedUrlPrefix,
            defaultPageLinkText: data.defaultPageLinkText)
    }

    var data: Data {
        .init(
            feedTitle: title,
            feedDescription: description,
            feedUrlPrefix: feedUrlPrefix,
            defaultPageLinkText: defaultPageLinkText)
    }

    struct Data: Codable {
        let feedTitle: String
        let feedDescription: String
        let feedUrlPrefix: String
        let defaultPageLinkText: String
    }
}