//
//  SharedNoteEditor.swift
//  Peered
//
//  Created by Oskar Chybowski on 07/10/2025.
//
import SwiftUI

struct SharedNoteEditor: View {
  @State var note: String?
  @State var remoteNote: String? = nil
  @State var invitation: NoteInvitation
  @Bindable var noteClient: NoteEditingSessionClient

  init(
    invitation: NoteInvitation,
    noteClient: NoteEditingSessionClient
  ) {
    self._invitation = .init(initialValue: invitation)
    self._noteClient = .init(noteClient)
  }

  var body: some View {
    ZStack {
      if let note = Binding($note) {
        NoteTextEditor(text: note, remoteText: remoteNote)
      } else {
        ProgressView {
          Text("Fetching note...")
        }
      }
    }
    .onReceive(noteClient.noteChangesEmitter) { message in
      guard message.senderID != noteClient.ownPeer.displayName else { return }
      remoteNote = message.content
    }
    .task(id: note) {
      try? await Task.sleep(nanoseconds: 500_000_000)
      guard !Task.isCancelled, let note else { return }
      noteClient.send(note: note, to: invitation.invitatorID)
    }
    .onAppear {
      invitation.accept()
      note = invitation.note.noteSnapshot
    }
  }
}