#if os(iOS) || os(macOS)
    import Foundation
    import Library
    import SwiftUI

    @MainActor
    public final class EditProfileContentViewModel: ObservableObject {
        @Published public var isLoading = true
        @Published public var profile: Profile?
        @Published public var profileContent = ""
        @Published public var isChanged = false
        @Published public var alert: Alert?

        private let profileID: Int64?

        public init(profileID: Int64?) {
            self.profileID = profileID
        }

        public func markAsChanged() {
            isChanged = true
        }

        public func reset() {
            isLoading = true
            profile = nil
            profileContent = ""
            isChanged = false
            alert = nil
        }

        public func loadContent() async {
            do {
                try await loadContentBackground()
            } catch {
                alert = Alert(error)
            }
            isLoading = false
        }

        private nonisolated func loadContentBackground() async throws {
            guard let profileID else {
                throw NSError(domain: "Context destroyed", code: 0)
            }
            guard let profile = try await ProfileManager.get(profileID) else {
                throw NSError(domain: "Profile missing", code: 0)
            }
            let profileContent = try profile.read()
            await MainActor.run {
                self.profile = profile
                self.profileContent = profileContent
            }
        }

        public func saveContent() async {
            guard let profile else {
                return
            }
            do {
                try await saveContentBackground(profile)
            } catch {
                alert = Alert(error)
                return
            }
            isChanged = false
        }

        private nonisolated func saveContentBackground(_ profile: Profile) async throws {
            let profileContent = await profileContent
            try profile.write(profileContent)
        }
    }

#endif