final class PageGenerator {

    private let content: Content

    private let imageGenerator: ImageGenerator

    private let navigationBarData: NavigationBarData

    let results = GenerationResultsHandler()

    init(content: Content, imageGenerator: ImageGenerator, navigationBarData: NavigationBarData) {
        self.content = content
        self.imageGenerator = imageGenerator
        self.navigationBarData = navigationBarData
    }

    func generate(page: Page, language: ContentLanguage) throws -> String {
        let contentGenerator = PageContentParser(
            page: page,
            content: content,
            language: language,
            results: results,
            imageGenerator: imageGenerator)

        let rawPageContent = try content.storage.pageContent(for: page.id, language: language)

        let pageContent = contentGenerator.generatePage(from: rawPageContent)

        let localized = page.localized(in: language)

        let tags: [FeedEntryData.Tag] = page.tags.map { tag in
            .init(name: tag.localized(in: language).name,
                  url: content.tagLink(tag, language: language))
        }

        return ContentPage(
            language: language,
            dateString: page.dateText(in: language),
            title: localized.title,
            tags: tags,
            linkTitle: localized.linkPreviewTitle ?? localized.title,
            description: localized.linkPreviewDescription ?? "",
            navigationBarData: navigationBarData,
            pageContent: pageContent)
            .content
    }
}