//
//  NodeMap.swift
//  MeshtasticClient
//
//  Created by Garth Vander Houwen on 8/7/21.
//  Copyright © 2021 Apple. All rights reserved.
//

import SwiftUI
import MapKit
import CoreLocation

struct NodeMap: View {

	// CoreData
	@Environment(\.managedObjectContext) var context
	@EnvironmentObject var bleManager: BLEManager
	
	@FetchRequest(
		sortDescriptors: [NSSortDescriptor(keyPath: \NodeInfoEntity.lastHeard, ascending: false)],
		animation: .default)
	
	private var locationNodes: FetchedResults<NodeInfoEntity>
	
    struct MapLocation: Identifiable {
        let id = UUID()
        let name: String
        let coordinate: CLLocationCoordinate2D
    }

    var body: some View {
        let location = LocationHelper.currentLocation


        let currentCoordinatePosition = CLLocationCoordinate2D(latitude: location.latitude, longitude: location.longitude)
        let regionBinding = Binding<MKCoordinateRegion>(
            get: {
                MKCoordinateRegion(center: currentCoordinatePosition, span: MKCoordinateSpan(latitudeDelta: 0.0359, longitudeDelta: 0.0359))
            },
            set: { _ in }
        )

        NavigationView {

            ZStack {

				Map(coordinateRegion: regionBinding, showsUserLocation: true, userTrackingMode: .none)
					.frame(maxHeight: .infinity)
				//, annotationItems: locationNodes[0].positions?) { location in
//						MapAnnotation(
//						   coordinate: location.coordinate,
//						   content: {
//							   CircleText(text: location.latitude, color: .accentColor)
//						   }
//						)
//					}.frame(maxHeight: .infinity)
				
                //Map(coordinateRegion: regionBinding,
                //    interactionModes: [.all],
                //    showsUserLocation: true,
                //    userTrackingMode: .constant(.follow), annotationItems: locationNodes) { node  in

                    //MapAnnotation(
						//coordinate: node.positions[0].coordinate,
                       //content: {
						//   CircleText(text: node.user!.shortName, color: .accentColor)
                       //}
                 //   )
                //}
                //.frame(maxHeight: .infinity)
                //.ignoresSafeArea(.all, edges: [.leading, .trailing])
            }
            .navigationTitle("Mesh Map")
            .navigationBarTitleDisplayMode(.inline)
			.navigationBarItems(trailing:

			ZStack {

				ConnectedDevice(
					bluetoothOn: bleManager.isSwitchedOn,
					deviceConnected: bleManager.connectedPeripheral != nil,
					name: (bleManager.connectedPeripheral != nil) ? bleManager.connectedPeripheral.shortName :
						"???")
			})
			.onAppear(perform: {

				self.bleManager.context = context

			})
        }
        .navigationViewStyle(StackNavigationViewStyle())
    }
}

struct NodeMap_Previews: PreviewProvider {
    static let bleManager = BLEManager()

    static var previews: some View {
        NodeMap()
    }
}