import SwiftUI
import SFSafeSymbols


enum ContentDisplayType {
    case markdown
    case html
    case rendered
}

@main
struct CHDataManagementApp: App {

    private var navigationTitle: String {
        ""
    }

    @StateObject
    private var content: Content = .init()

    @State
    private var selectedLanguage: ContentLanguage = .english

    var body: some Scene {
        WindowGroup {
            TabView {
                Tab("Posts", systemImage: SFSymbol.rectangleAndPencilAndEllipsis.rawValue) {
                    PostList()
                }
                Tab("Pages", systemImage: SFSymbol.textBelowPhoto.rawValue) {
                    PageListView()
                }
                Tab("Tags", systemImage: SFSymbol.tag.rawValue) {
                    TagsListView()
                }
                Tab("Images", systemImage: SFSymbol.photo.rawValue) {
                    ImagesView()
                }
                Tab("Files", systemImage: SFSymbol.doc.rawValue) {
                    FilesView()
                }
                Tab("Settings", systemImage: SFSymbol.gear.rawValue) {
                    SettingsView()
                }
            }
            .environment(\.language, selectedLanguage)
            .environmentObject(content)
            .toolbar {
                ToolbarItem(placement: .primaryAction) {
                    Picker("", selection: $selectedLanguage) {
                        Text("English")
                            .tag(ContentLanguage.english)
                        Text("German")
                            .tag(ContentLanguage.german)
                    }.pickerStyle(.segmented)
                }
            }
            .onAppear(perform: importOldContent)
            .onReceive(Timer.publish(every: 60.0, on: .main, in: .common).autoconnect()) { _ in
                save()
            }
            .toolbar {
                ToolbarItem(placement: .navigation) {
                    Button(action: save) {
                        Text("Save")
                    }
                }
            }
        }
    }

    private func save() {
        // Save all changed files
        content.saveToDisk()
    }

    private func importOldContent() {
        do {
            try content.loadFromDisk()
            //content.importOldContent()
        } catch {
            print("Failed to load content: \(error.localizedDescription)")
        }
    }
}