import SwiftUI

struct NoteEditorView: View {
    @EnvironmentObject var client: WebDAVClient
    let note: DenoteNote
    @Environment(\.dismiss) private var dismiss
    @State private var editedContent: String
    @State private var isSaving = false
    @State private var saveError: String?
    @State private var themeManager = ThemeManager.shared

    init(note: DenoteNote) {
        self.note = note
        _editedContent = State(initialValue: note.content ?? "")
    }

    var body: some View {
        NavigationStack {
            TextEditor(text: $editedContent)
                .font(.system(.body, design: .monospaced))
                .scrollContentBackground(.hidden)
                .background(themeManager.current.background)
                .padding(4)
                .navigationTitle(note.displayTitle)
                .navigationBarTitleDisplayMode(.inline)
                .toolbarBackground(themeManager.current.secondaryBackground, for: .navigationBar)
                .toolbar {
                    ToolbarItem(placement: .cancellationAction) {
                        Button("Cancel") { dismiss() }
                    }
                    ToolbarItem(placement: .confirmationAction) {
                        if isSaving {
                            ProgressView()
                        } else {
                            Button("Save") { Task { await save() } }
                        }
                    }
                }
                .alert("Save failed", isPresented: Binding(
                    get: { saveError != nil },
                    set: { if !$0 { saveError = nil } }
                )) {
                    Button("OK") { saveError = nil }
                } message: {
                    Text(saveError ?? "")
                }
        }
        .preferredColorScheme(themeManager.current.colorScheme)
        .tint(themeManager.current.accent)
    }

    private func save() async {
        isSaving = true
        do {
            try await client.saveContent(editedContent, for: note)
            dismiss()
        } catch {
            saveError = error.localizedDescription
        }
        isSaving = false
    }
}