import Foundation
import Combine
import MyPassCore

@MainActor
final class GroupFilterViewModel: ObservableObject {
    @Published var selectedGroupIds: Set<UUID> = []

    private let session: VaultSession

    init(session: VaultSession) {
        self.session = session
    }

    func isSelected(_ group: MyPassCore.Group) -> Bool {
        selectedGroupIds.contains(group.id)
    }

    func toggle(_ group: MyPassCore.Group) {
        guard let root = session.database?.root else { return }
        selectedGroupIds = GroupSelection.toggling(group.id, in: root, current: selectedGroupIds)
    }

    func clear() {
        selectedGroupIds = []
    }
}