import SwiftUI

struct SettingsView: View {
    @EnvironmentObject private var settings: AppSettings
    @Environment(\.dismiss) private var dismiss

    var body: some View {
        VStack(alignment: .leading, spacing: 16) {
            Form {
                folderRow(
                    title: "Zielordner",
                    caption: "Hier entsteht pro Projekt ein Unterordner mit Original und 4:5-Fassung.",
                    current: settings.targetFolder
                ) { settings.setTargetFolder($0) }

                folderRow(
                    title: "Quellordner",
                    caption: "„Dateien wählen …“ öffnet sich hier. Optional.",
                    current: settings.sourceFolder
                ) { settings.setSourceFolder($0) }
            }
            .formStyle(.grouped)

            HStack {
                Spacer()
                Button("Fertig") { dismiss() }
                    .buttonStyle(ProminentButtonStyle())
                    .keyboardShortcut(.defaultAction)
            }
            .padding([.horizontal, .bottom], 20)
        }
        .frame(width: 520, height: 300)
    }

    private func folderRow(title: LocalizedStringKey, caption: LocalizedStringKey, current: URL?, onChoose: @escaping (URL) -> Void) -> some View {
        LabeledContent {
            Button("Wählen …") {
                if let url = FolderPicker.choose(startingAt: current) { onChoose(url) }
            }
        } label: {
            Text(title)
            Text(current?.path ?? String(localized: "Nicht gesetzt"))
                .lineLimit(1)
                .truncationMode(.middle)
            Text(caption)
        }
    }
}