//MARK: CoreDataManaging
protocol CoreDataManaging {
    
    associatedtype Entity: NSManagedObject
    associatedtype AddModel : Any
    
    func fetchAll() throws -> [Entity]
    func addEntity(model: AddModel) throws
    func deleteEntity(id: Int16) throws
    func isEntityExist(id: Int16) throws -> Bool
}

//MARK: LocationPermissonState
/// Represents the state of location permission.
enum LocationPermissonState {
    case successful   /// User has granted location permission.
    case notDetermined /// User has not made a choice regarding location permission yet.
    case denied ///  User has denied location permission.
}

//MARK: FocusUserLocationState
/// Represents the state of focusing on the user's location.
enum FocusUserLocationState {
    case focus /// Map can focus on user's location.
    case notDetermined /// Permission state is not determined yet.
    case denied /// Cannot focus due to denied permission.
}

//MARK: MapLocationManagerDelegate
/// Protocol to handle location-related delegate callbacks.
protocol MapLocationManagerDelegate: AnyObject {
    
    /// Called when the location permission state changes.
    /// - Parameter state: The current permission state.
    func locationPermisson(state:LocationPermissonState)
    /// Called to indicate the ability to focus on the user's location.
    /// - Parameter state: The current focus state.
    func focusUserLocation(state:FocusUserLocationState)
    /// Called when a new location is received.
    /// - Parameter location: A tuple containing latitude and longitude.
    func didUpdateLocation(_ location: (lat:Double,lng:Double))
}


/// Provides a default implementation to make `didUpdateLocation` optional.
extension MapLocationManagerDelegate {
    func didUpdateLocation(_ location: (lat:Double,lng:Double)){
    }
}
protocol MapLocationManagerProtocol {
    var delegate: MapLocationManagerDelegate? {get set}
    /// Requests location permission from the user.
    func requestLocationAccess()
    /// Checks whether the app can focus on the user's location based on current permission status.
    func focusUserLocationAuthorization()
    /// Calculates the distance between two geographic points.
    /// - Parameters:
    ///   - point: The first coordinate (latitude, longitude).
    ///   - target: The second coordinate (latitude, longitude).
    /// - Returns: The distance in meters.
    func calculateDistance(point:(lat:Double,lng:Double),target:(lat:Double,lng:Double)) -> Double
}