@_exported import CoreLocation
import Foundation

%{
from gyb_foundation_support import \
  ObjectiveCBridgeableImplementationForNSValueWithCategoryMethods
}%

// Get the ObjC type used by -[NSValue valueWithMKCoordinate:]
// to instantiate the resulting NSValue objects, in case these get changed
// in the future. This is extra tricky because MapKit *might not be loaded*,
// in which case we need to fall back to the static @encode string.
private let CLLocationCoordinate2DInNSValueObjCType: UnsafePointer<CChar> = {
  let factorySel = Selector(("valueWithMKCoordinate:"))
  guard let opaqueFactoryMethod = NSValue.method(for: factorySel) else {
    return _getObjCTypeEncoding(CLLocationCoordinate2D.self)
  }
  typealias FactoryMethodType =
      @convention(c) (AnyClass, Selector, CLLocationCoordinate2D) -> NSValue
  let factoryMethod =
      unsafeBitCast(opaqueFactoryMethod, to: FactoryMethodType.self)
  return factoryMethod(NSValue.self, factorySel, .init()).objCType
}()

${ ObjectiveCBridgeableImplementationForNSValueWithCategoryMethods(
  Type="CLLocationCoordinate2D",
  initializer="""{
    var addressableValue = $0
    return NSValue(bytes: &addressableValue,
                   objCType: CLLocationCoordinate2DInNSValueObjCType)
  }""",
  getter="""{
    var result = CLLocationCoordinate2D()
    $0.getValue(&result)
    return result
  }""",
  objCType="{ _ in CLLocationCoordinate2DInNSValueObjCType }",
) }