//
//  ExportMenu.swift
//  Todos
//
//  Created by Sam Jaffe on 3/1/26.
//

import SwiftUI
import SwiftData
import UniformTypeIdentifiers

struct ExportMenu: View {
  @Environment(\.modelContext) private var modelContext
  @AppStorage(UserDefaultsKeys.Category) var allGroups = CodableArray<Category>()
  @AppStorage(UserDefaultsKeys.UrlHints) var allHints = CodableArray<URLHint>()

  @Query private var items: [Project]
  @State private var showingExporter = false

  var body: some View {
    Button("Export", systemImage: "square.and.arrow.up") {
      showingExporter = true
    }
    .keyboardShortcut("E", modifiers: [.command, .shift])
    .fileExporter(isPresented: $showingExporter, document: StubJsonDocument(),
                  contentType: .json) { result in
      switch result {
      case .success(let url):
        let transfer = Transfer(projects: items, hints: allHints, categories: allGroups)
        guard let data = try? JSONEncoder().encode(transfer)
        else {
          return
        }
        SaveController.save(data: data, toUrl: url)
      case .failure(let error):
        print(error.localizedDescription)
      }
    }
  }
}

#Preview {
  ExportMenu()
}