//
//  NotificationViewController.m
//  EQNNotificationContent
//
//  Refactored by Andrea Busi on 14/10/2020.
//  Copyright © 2020 Earthquake Network. All rights reserved.
//

#import "NotificationViewController.h"
#import "EQNUtility.h"
#import "EQNNotificationContent-Swift.h"

@import UserNotifications;
@import UserNotificationsUI;
@import MapKit;

@interface NotificationViewController () <UNNotificationContentExtension, MKMapViewDelegate>
@property (weak, nonatomic) IBOutlet UILabel *titleLabel;
@property (weak, nonatomic) IBOutlet UILabel *descriptionLabel;
@property (weak, nonatomic) IBOutlet UILabel *waveLabel;
@property (weak, nonatomic) IBOutlet MKMapView *mapView;
@property (weak, nonatomic) IBOutlet UIButton *tapToOpenButton;

/// This will be calculated as seismic date + warning time
@property (strong, nonatomic) NSDate *userSeismicTimestamp;
@property (strong, nonatomic) NSTimer *countdownTimer;
@end

@implementation NotificationViewController

- (void)setMapView:(MKMapView *)mapView
{
    _mapView = mapView;
    _mapView.scrollEnabled = NO;
    _mapView.zoomEnabled = NO;
    _mapView.showsUserLocation = YES;
}

#pragma mark - View Lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    [self.mapView registerClass:[EQNCustomAnnotationView class] forAnnotationViewWithReuseIdentifier:EQNCustomAnnotationView.SingleLineIdentifier];
    [self.mapView registerClass:[EQNCustomAnnotationView class] forAnnotationViewWithReuseIdentifier:EQNCustomAnnotationView.SmallIdentifier];
    
    [self.tapToOpenButton setTitle:@"Tocca per aprire" forState:UIControlStateNormal];
}

- (void)didReceiveNotification:(UNNotification *)notification
{
    UNNotificationContent *content = notification.request.content;
    NSDictionary *userInfo = content.userInfo;
    
    // set title and description
    self.titleLabel.text = content.title;
    self.descriptionLabel.text = content.body;
    
    // add annotation onthe map
    CLLocation *coordinate = [[CLLocation alloc] initWithLatitude:[userInfo[@"latitude"] doubleValue]
                                                        longitude:[userInfo[@"longitude"] doubleValue]];
    MKCoordinateSpan span = MKCoordinateSpanMake(6, 6);
    MKCoordinateRegion region = MKCoordinateRegionMake(coordinate.coordinate, span);
    [self.mapView setCenterCoordinate:coordinate.coordinate animated:NO];
    [self.mapView setRegion:region animated:YES];
    
    if ([userInfo[@"type"] isEqualToString:@"eqn"]) {
        EQNMapAnnotationPastquake *annotation = [[EQNMapAnnotationPastquake alloc] initWithTitle:@""
                                                                                      coordinate:coordinate.coordinate
                                                                                       intensity:[userInfo[@"intensity"] intValue]];
        [self.mapView addAnnotation:annotation];
    
    } else if ([userInfo[@"type"] isEqualToString:@"manual"]){
        EQNMapAnnotationUserReport *annotation = [[EQNMapAnnotationUserReport alloc] initWithMagnitude:[userInfo[@"magnitude"] intValue]
                                                                                            coordinate:coordinate.coordinate];
        [self.mapView addAnnotation:annotation];
    }


    self.userSeismicTimestamp = [EQNUtility calculateUserSeismicTimestampFromUserInfo:userInfo];
    if (self.userSeismicTimestamp) {
        // start the countdown
        self.countdownTimer = [NSTimer scheduledTimerWithTimeInterval:1.0
                                                               target:self
                                                             selector:@selector(countdownFired:)
                                                             userInfo:nil
                                                              repeats:YES];
        [self.countdownTimer fire];
    }
}

#pragma mark - Private

- (void)countdownFired:(id)sender
{
    NSDate *now = [NSDate date];
    NSTimeInterval difference = MAX([self.userSeismicTimestamp timeIntervalSinceDate:now], 0);
    NSInteger seconds = (int)lround(difference);
    
    self.waveLabel.text = [NSString localizedStringWithFormat:NSLocalizedString(@"alert_wave", @""), seconds];
    
    if (difference <= 0) {
        // stop the countdown
        [self.countdownTimer invalidate];
        self.countdownTimer = nil;
    }
}

#pragma mark - Actions

- (IBAction)openAppTapped:(id)sender
{
    [self.extensionContext performNotificationDefaultAction];
}

#pragma mark - MKMapViewDelegate

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation
{
    if ([annotation isKindOfClass:[EQNMapAnnotationPastquake class]]) {
        EQNMapAnnotationPastquake *pastquake = (EQNMapAnnotationPastquake *)annotation;
        
        EQNCustomAnnotationView *annotationView = (EQNCustomAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:EQNCustomAnnotationView.SingleLineIdentifier];
        annotationView.image = pastquake.image;
        annotationView.title = pastquake.title;
        return annotationView;
    
    } else if ([annotation isKindOfClass:[EQNMapAnnotationUserReport class]]) {
        EQNMapAnnotationUserReport *report = (EQNMapAnnotationUserReport *)annotation;
        
        EQNCustomAnnotationView *annotationView = (EQNCustomAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:EQNCustomAnnotationView.SmallIdentifier];
        annotationView.image = [report imageWithHeight:EQNCustomAnnotationView.SmallViewImageHeight];
        annotationView.title = report.timeDifference;
        return annotationView;
    }
    return nil;
}

@end