//
//  NoteEditorView.swift
//  Notes
//
//  Created by Claude Code on 13/10/2025.
//

import SwiftUI
import CoreData

struct NoteEditorView: View {
    @ObservedObject var note: Note
    @Environment(\.managedObjectContext) private var viewContext
    @StateObject private var autoSaveManager = AutoSaveManager()
    @FocusState private var isFocused: Bool

    var body: some View {
        VStack {

            TextEditor(text: Binding(
                get: { note.content ?? "" },
                set: { newValue in
                    note.content = newValue
                    note.lastEditDate = Date()
                    autoSaveManager.requestSave {
                        PersistenceController.shared.save()
                    }
                }
            ))
            .font(.system(size: 18, weight: .regular))
            .foregroundColor(Color(UIColor.label))
            .padding(8)
            .focused($isFocused)
        }
        .toolbar {
            ToolbarItemGroup(placement: .keyboard) {
                if let date = note.lastEditDate {
                    Text("last edit: \(date.formatted())")
                        .font(.footnote)
                        .foregroundStyle(.secondary)
                        .frame(width: 220.0)
                }

                Spacer()

                Button {
                    isFocused = false
                } label: {
                    Label("Done", systemImage: "text.badge.checkmark")
                        .labelStyle(.iconOnly)
                }
                .buttonStyle(.bordered)
                .tint(.primary)
            }
        }
    }
}

struct NoteEditorView_Previews: PreviewProvider {
    static var previews: some View {
        let context = PersistenceController.preview.container.viewContext
        let note = Note(context: context)
        note.content = "Sample note content\n\nThis is a preview."
        note.lastEditDate = Date()

        return NoteEditorView(note: note)
            .environment(\.managedObjectContext, context)
    }
}