//
//  AllerteViewController.m
//  Earthquake Network
//
//  Refactored by Andrea Busi on 04/10/2020
//  Copyright © 2020 Earthquake Network. All rights reserved.
//

#import "AllerteViewController.h"
#import "Costanti.h"
#import "ServerRequest.h"
#import "EQNGeneratoreURLServer.h"
#import "EQNManager.h"
#import "EQNUser.h"
#import "EQNAreaCheck.h"
@import StoreKit;
@import SafariServices;
@import CoreLocation;

@interface AllerteViewController () <UITableViewDelegate, UITableViewDataSource>
@property (weak, nonatomic) IBOutlet UIBarButtonItem *expandeCollapseButton;
@property (weak, nonatomic) IBOutlet UITableView *tableView;
@property (strong, nonatomic) NSMutableArray *tableItems;
@property (nonatomic) BOOL isNotificaAttiva;
@end

@implementation AllerteViewController

static NSString * const SegueIdentifierPrioritySubscriptions = @"ShowPrioritySubscriptions";

/// Sections inside the app
typedef NS_ENUM(NSInteger, AllerteTableRow) {
    AllerteTableRowLocationPermission = 0,
    AllerteTableRowSismiRilevati,
    AllerteTableRowAllertePassate,
    AllerteTableRowReteSmartphone,
    AllerteTableRowServizioPriorita,
    AllerteTableRowDatiPosizione
};

#pragma mark - Accessories

- (NSMutableArray *)tableItems
{
    if (!_tableItems) {
        _tableItems = [[NSMutableArray alloc] init];
    }
    return _tableItems;
}

#pragma mark - View Lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    [self setupUI];
    [self refreshUI];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(applicationWillEnterForegroundNotification:)
                                                 name:UIApplicationWillEnterForegroundNotification
                                               object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(didChangeAuthorizationStatusNotification:)
                                                 name:EQNAuthorizationStatusDidChangeNotification
                                               object:nil];
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
    [self refreshUI];
}

#pragma mark - Notification

- (void)applicationWillEnterForegroundNotification:(NSNotification *)notification
{
    [self refreshUI];
}

- (void)didChangeAuthorizationStatusNotification:(NSNotification *)notification
{
    [self refreshUI];
}

#pragma mark - Public

- (void)fetchNewDataWithCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
{
    dispatch_async(dispatch_get_main_queue(), ^{
        [self refreshUI];
    });
    completionHandler(UIBackgroundFetchResultNewData);
}

#pragma mark - Private

- (void)setupUI
{
    self.title = [NSLocalizedString(@"tab_network", nil) capitalizedString];
    self.tableView.estimatedRowHeight = 600.0;
    self.tableView.rowHeight = UITableViewAutomaticDimension;
}

- (void)refreshUI
{
    [super refreshUI];
        
    // `AllerteTableRowReteSmartphone` and `AllerteTableRowDatiPosizione` are hidden bu default, user can show them
    BOOL showAllCards = AppPreferences.shared.alertsShowAllCards;
    self.expandeCollapseButton.image = showAllCards ? [UIImage imageNamed:@"navbar-icon-arrow-collapse"] : [UIImage imageNamed:@"navbar-icon-arrow-expand"];
    
    // controlliamo se c'è una notifica in tempo reale da mostrare
    NSDate *date = [[NSUserDefaults standardUserDefaults] objectForKey:EQNUserDefaultRealTimeAlertDate];
    NSDictionary *info = [EQNUtility loadDictionaryFromUserDefaultsForKey:EQNUserDefaultRealTimeAlertPayload];
    if (date && info && [EQNUtility getDifferenceMinute:date] < EQNRealtimeAlertExpiration) {
        self.isNotificaAttiva = YES;
        
        // mostriamo la schermata solo se il countdown non è a zero
        EQNRealtimeAlert *alert = [[EQNRealtimeAlert alloc] initWithNotification:info];
        if (alert != nil && ![alert isCountdownExpired]) {
            RealtimeAlertViewController *controller = [[RealtimeAlertViewController alloc] initWithAlert:alert];
            if (@available(iOS 13.0, *)) {
                controller.modalInPresentation = YES;
            }
            [self presentViewController:controller animated:YES completion:nil];
        }
    } else {
        [self resetRealtimeAlert];
    }

    [self.tableItems removeAllObjects];
    
    // rows always visible
    [self.tableItems addObjectsFromArray:@[ @(AllerteTableRowSismiRilevati), @(AllerteTableRowAllertePassate), @(AllerteTableRowServizioPriorita)]];

    if (showAllCards) {
        [self.tableItems addObject:@(AllerteTableRowReteSmartphone)];
    }
    // check if locations is enabled
    if (CLLocationManager.authorizationStatus != kCLAuthorizationStatusAuthorizedAlways) {
        [self.tableItems addObject:@(AllerteTableRowLocationPermission)];
    }
    
    // location data visible only if last position is known
    if ([EQNUser defaultUser].lastPosition != nil && showAllCards) {
        [self.tableItems addObject:@(AllerteTableRowDatiPosizione)];
    }
    
    // sort items based on enum position
    NSSortDescriptor *sorter = [NSSortDescriptor sortDescriptorWithKey:@"self" ascending:YES];
    [self.tableItems sortUsingDescriptors:@[sorter]];
    
    [self.tableView reloadData];
}

- (void)resetRealtimeAlert
{
    [[NSUserDefaults standardUserDefaults] removeObjectForKey:EQNUserDefaultRealTimeAlertDate];
    [[NSUserDefaults standardUserDefaults] removeObjectForKey:EQNUserDefaultRealTimeAlertPayload];
    self.isNotificaAttiva = NO;
}

#pragma mark - Actions

- (IBAction)refreshDataTapped:(id)sender
{
    [[EQNManager defaultManager] sincronizza];
}

- (IBAction)collapseExpandTapped:(id)sender
{
    // toggle saved value
    AppPreferences.shared.alertsShowAllCards = !AppPreferences.shared.alertsShowAllCards;
    
    [self refreshUI];
}

- (void)actionCloseNotification
{
    [self resetRealtimeAlert];
    [self.tableView reloadData];
}

- (void)actionShareApp
{
    NSString *content = NSLocalizedString(@"main_share_text", @"");
    
    UIActivityViewController* activityViewController = [[UIActivityViewController alloc] initWithActivityItems:@[content]
                                                                                         applicationActivities:nil];
    [self presentViewController:activityViewController animated:YES completion:nil];
}

- (void)actionRateApp
{
    [SKStoreReviewController requestReview];
}

- (void)actionOpenTwitter
{
    NSURL *twitterUrl = [NSURL URLWithString:EQNTwitterProfileUrl];
    SFSafariViewController *controller = [[SFSafariViewController alloc] initWithURL:twitterUrl];
    [self presentViewController:controller animated:YES completion:nil];
}

- (void)actionOpenSimulator
{
    AlertSimulatorViewController *controller = [[AlertSimulatorViewController alloc] init];
    [self presentViewController:controller animated:YES completion:nil];
}

- (void)actionHowItWorks
{
    NSURL *youtubeUrl = [NSURL URLWithString:NSLocalizedString(@"youtube_video", nil)];
    SFSafariViewController *controller = [[SFSafariViewController alloc] initWithURL:youtubeUrl];
    [self presentViewController:controller animated:YES completion:nil];
}

- (void)actionTestPush
{
    CLAuthorizationStatus status = CLLocationManager.authorizationStatus;
    if (status != kCLAuthorizationStatusAuthorizedAlways && status != kCLAuthorizationStatusAuthorizedWhenInUse) {
        UIAlertController *alert = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"attention", nil)
                                                                       message:NSLocalizedString(@"liveview_unknown_location", nil)
                                                                preferredStyle:UIAlertControllerStyleAlert];
        [alert addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"ok", nil) style:UIAlertActionStyleCancel handler:nil]];
        [self presentViewController:alert animated:YES completion:nil];
        return;
    }
    
    NSURL *url = [EQNGeneratoreURLServer urlAlertPushTest];
    [[ServerRequest defaultServerConnectionSingleton] inviaInformazioniAlServerWithURL:url richiesta:EQNTipoChiamataAlertPushTest success:^(id result) {
        // nope
    } failure:^(NSError *error) {
        dispatch_async(dispatch_get_main_queue(), ^{
            UIAlertController *alert = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"attention", @"")
                                                                           message:error.localizedDescription
                                                                    preferredStyle:UIAlertControllerStyleAlert];
            [alert addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"ok", nil) style:UIAlertActionStyleCancel handler:nil]];
            [self presentViewController:alert animated:YES completion:nil];
        });
    }];
}

#pragma table view

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.tableItems.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    AllerteTableRow tableRow = [self.tableItems[indexPath.row] integerValue];
    
    if (tableRow == AllerteTableRowLocationPermission) {
        AlertsNoLocationTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"NoLocationCell" forIndexPath:indexPath];
        cell.status = CLLocationManager.authorizationStatus;
        return cell;
        
    } else if (tableRow == AllerteTableRowSismiRilevati) {
        if (self.isNotificaAttiva) {
            AlertsSeismicNotificationExpandedTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"SeismicNotificationExpandedCell" forIndexPath:indexPath];
            NSDictionary *info = [EQNUtility loadDictionaryFromUserDefaultsForKey:EQNUserDefaultRealTimeAlertPayload];
            cell.notification = info;
            
            __weak AllerteViewController *weakSelf = self;
            cell.onTapClose = ^{
                [weakSelf actionCloseNotification];
            };
            cell.onTapShareApp = ^{
                [weakSelf actionShareApp];
            };
            cell.onTapRateApp = ^{
                [weakSelf actionRateApp];
            };
            cell.onTapOpenTwitter = ^{
                [weakSelf actionOpenTwitter];
            };
            
            return cell;
        }
        
        AlertsSeismicNotificationCompactTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"SeismicNotificationCell" forIndexPath:indexPath];
        
        __weak AllerteViewController *weakSelf = self;
        cell.onTapAlertTest = ^{
            [weakSelf actionTestPush];
        };
        cell.onTapSimulator = ^{
            [weakSelf actionOpenSimulator];
        };
        cell.onTapHowItWorks = ^{
            [weakSelf actionHowItWorks];
        };
        cell.onTapShareApp = ^{
            [weakSelf actionShareApp];
        };
        
        return cell;
        
    } else if (tableRow == AllerteTableRowAllertePassate) {
        AlertsPastEartquakesTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"PastEarthquakesCell" forIndexPath:indexPath];
        cell.smartphoneNetwork = [EQNManager defaultManager].rete_smartphone;
        cell.onTapMapButton = ^{
            PasquakesMapViewController *controller = [[PasquakesMapViewController alloc] init];
            [self presentViewController:controller animated:YES completion:nil];
        };
        return cell;
    
    } else if (tableRow == AllerteTableRowReteSmartphone) {
        AlertsSmartphoneNetworkTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"SmartphoneNetworkCell" forIndexPath:indexPath];
        cell.smartphoneNetwork = [EQNManager defaultManager].rete_smartphone;
        cell.onTapButton = ^{
            [self visualizzaCopertura];
        };
        return cell;
    
    } else if (tableRow == AllerteTableRowServizioPriorita) {
        AlertsPriorityServiceTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"PriorityCell" forIndexPath:indexPath];
        cell.smartphoneNetwork = [EQNManager defaultManager].rete_smartphone;
        return cell;
    
    } else if (tableRow == AllerteTableRowDatiPosizione) {
        AlertsPositionDataTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"PositionDataCell" forIndexPath:indexPath];
        cell.position = [EQNUser defaultUser].lastPosition;
        return cell;
    }
    
    return nil;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    
    AllerteTableRow tableRow = [self.tableItems[indexPath.row] integerValue];
    switch (tableRow) {
        case AllerteTableRowServizioPriorita:
            [self performSegueWithIdentifier:SegueIdentifierPrioritySubscriptions sender:nil];
            break;
        default:
            break;
    }
}

- (void)visualizzaCopertura
{
    [[EQNManager defaultManager] sincronizza];
    EQNAreaCheck *areaCheck = [EQNManager defaultManager].area_check;
    
    NSString *message = [NSString stringWithFormat:NSLocalizedString(@"main_areacheck_message", @""), areaCheck.total];
    
    UIAlertController * alertController = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"main_coverage" , @"")
                                                                              message:message
                                                                       preferredStyle:UIAlertControllerStyleAlert];
    
    [alertController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"ok" ,@"")
                                                        style:UIAlertActionStyleDefault
                                                      handler:nil]];
    [self presentViewController:alertController animated:YES completion:nil];
}

@end