import Foundation

extension Content {

    func importOldContent() {

        let importer = Importer()
        do {
            try importer.importContent()
        } catch {
            print(error)
            return
        }
        for (_, file) in importer.files.sorted(by: { $0.key < $1.key }) {
            storage.copyFile(at: file.url, fileId: file.name)
            // TODO: Store alt text for image and videos
        }
        var missingPages: [String] = []
        for (pageId, page) in importer.pages.sorted(by: { $0.key < $1.key }) {
            storage.save(pageMetadata: page.page, for: pageId)

            if FileManager.default.fileExists(atPath: page.deContentUrl.path()) {
                storage.copyPageContent(from: page.deContentUrl, for: pageId, language: .german)
            } else {
                missingPages.append(pageId + " (DE)")
            }

            if FileManager.default.fileExists(atPath: page.enContentUrl.path()) {
                storage.copyPageContent(from: page.enContentUrl, for: pageId, language: .english)
            } else {
                missingPages.append(pageId + " (EN)")
            }
        }

        for (tagId, tag) in importer.tags {
            storage.save(tagMetadata: tag, for: tagId)
        }

        for (postId, post) in importer.posts {
            storage.save(post: post, for: postId)
        }

        let ignoredFiles = importer.ignoredFiles
            .map { $0.path() }
            .sorted()

        print("Ignored files:")
        for file in ignoredFiles {
            print(file)
        }

        print("Missing pages:")
        for page in missingPages {
            print(page)
        }

        do {
            try loadFromDisk()
        } catch {
            print("Failed to load from disk: \(error)")
        }
    }
}