import Foundation

extension Content {

    func generateFeed(for language: ContentLanguage, bookmarkKey: String) {
        let posts = posts.map { $0.feedEntry(for: language) }
        let data = websiteData.localized(in: language)
        let navigationItems: [FeedNavigationLink] = websiteData.navigationTags.map {
            let localized = $0.localized(in: language)
            return .init(text: localized.name, url: localized.urlComponent)
        }

        DispatchQueue.global(qos: .userInitiated).async {

            let feed = Feed(
                language: language,
                title: data.title,
                description: data.description,
                iconDescription: data.iconDescription,
                navigationItems: navigationItems,
                posts: posts)
            let fileContent = feed.content
            Content.accessFolderFromBookmark(key: bookmarkKey) { folder in
                let outputFile = folder.appendingPathComponent("feed.html", isDirectory: false)
                do {
                    try fileContent
                        .data(using: .utf8)!
                        .write(to: outputFile)
                } catch {
                    print("Failed to save: \(error)")
                }
            }
        }
    }
}