#import "ProfileController.h"
#import "EventsController.h"
#import "EventsCell.h"
#import "Event.h"

typedef NS_ENUM(NSUInteger, EventType) {
    AllEventsType = 1,
    GameEventsType,
    SympathiesEventsType,
    ViewsEventsType
};

@interface EventsController () <UITableViewDataSource, UITableViewDelegate>

@property(nonatomic, strong)NSArray *events;
@property(nonatomic, strong)NSArray *statusNew;
@property(nonatomic, strong)NSArray *statusOld;

@property (weak, nonatomic) IBOutlet UITableView *tableView;
@property (weak, nonatomic) IBOutlet UISegmentedControl *segment;

@property(nonatomic, strong)NSArray *allEvents;

@end

@implementation EventsController

#pragma mark - View Life Cycle

- (void)viewDidLoad
{
    [super viewDidLoad];

    self.events = [NSArray array];

    [self initialConfigurations];

    [self setupSegmentButton];
}

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

    self.segment.selectedSegmentIndex = 0;
    [self loadData];
}

- (UIStatusBarStyle)preferredStatusBarStyle
{
    return UIStatusBarStyleLightContent;
}

#pragma mark - Configurations

- (void)initialConfigurations
{
    [self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
    self.navigationController.navigationBar.shadowImage = [UIImage new];
    self.navigationController.navigationBar.translucent = YES;

    self.tableView.tableFooterView = [UIView new];

    self.tableView.estimatedRowHeight = 70.0;

    if (IS_IPAD) {
        self.tableView.estimatedRowHeight = 120.0;
        self.tableView.rowHeight = 120.0;
    }

    self.tableView.rowHeight = UITableViewAutomaticDimension;
}

#pragma mark - Data Handling

- (void)loadData
{
    dispatch_async(dispatch_get_main_queue(), ^{
        [MBProgressHUD showHUDAddedTo:self.view animated:YES];
    });

    User *currentUser = [UserManager sharedManager].currentUser;

    __weak typeof(self) selfInstance = self;

    [[APIManager sharedManager] getEventsForUserWithId:currentUser.userID.stringValue
                                                secret:currentUser.secret
                                                  type:@(self.segment.selectedSegmentIndex + 1)
                                       completionBlock:^(id responseObject, NSError *error) {
        dispatch_async(dispatch_get_main_queue(), ^{
            [MBProgressHUD hideHUDForView:self.view animated:YES];
        });

        if (!error)
        {
            selfInstance.events = [responseObject[@"event"] eventsFromArrayOfDictionary];
            selfInstance.allEvents = [responseObject[@"event"] eventsFromArrayOfDictionary];

            selfInstance.statusOld = [self.events filteredByPredStr:@"SELF.eventStatus.integerValue == 1"];
            selfInstance.statusNew = [self.events filteredByPredStr:@"SELF.eventStatus.integerValue == 0"];

            dispatch_async(dispatch_get_main_queue(), ^{
                [selfInstance.tableView reloadData];
            });

            for (__weak Event *ev in self.statusNew) {
                [[APIManager sharedManager] markEventWithIdAsOld:ev.eventId
                                                   forUserWithId:[UserManager sharedManager].currentUser.userID.stringValue
                                                          secret:[UserManager sharedManager].currentUser.secret
                                                 completionBlock:^(id responseObject, NSError *error) {
                                                     if ([responseObject[@"event"] boolValue]) {
                                                         ev.eventStatus = @(1);
                                                     }
                                                 }];
            }
        }
    }];
}

#pragma mark - Actions

- (IBAction)segmentClicked:(id)sender {
    switch ((self.segment.selectedSegmentIndex+1)) {
        case AllEventsType:
        {
            self.events = self.allEvents;
            break;
        }
        case GameEventsType:
        {
            self.events = [self.allEvents filteredByPredStr:@"self.eventType.integerValue == 5"];
            break;
        }
        case SympathiesEventsType:
        {
            self.events = [self.allEvents filteredByPredStr:@"(SELF.eventType.integerValue == 2)  OR (SELF.eventType.integerValue == 3) OR (SELF.eventType.integerValue == 4)"];
            break;
        }
        case ViewsEventsType:
        {
            self.events = [self.allEvents filteredByPredStr:@"SELF.eventType.integerValue == 1"];
            break;
        }
        default:
            break;
    }

    self.statusOld = [self.events filteredByPredStr:@"SELF.eventStatus.integerValue == 1"];
    self.statusNew = [self.events filteredByPredStr:@"SELF.eventStatus.integerValue == 0"];

    [self.tableView reloadData];
}

#pragma mark - UITableViewDataSource

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 2;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return section > 0?  self.statusOld.count : self.statusNew.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    EventsCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass([EventsCell class])];
    cell.event = indexPath.section>0? self.statusOld[indexPath.row] : self.statusNew[indexPath.row];

    if (indexPath.section == 0 && indexPath.row == (self.statusNew.count-1)) {
        cell.separator.hidden = YES;
    }

    return cell;
}

#pragma mark - UITableViewDelegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    EventsCell *cell = [tableView cellForRowAtIndexPath:indexPath];
    Event *event = cell.event;

    if (event.eventType.integerValue != 1) {
        return;
    }

    User *interlocator = [[User alloc] initWithUserID:event.guestID secret:[UserManager sharedManager].currentUser.secret andPushToken:[UserManager sharedManager].currentUser.pushToken];
    interlocator.city = @"";
    interlocator.birtday = 0;
    interlocator.avatarURL = photoURLFromName(event.guestAvatarURL);
    interlocator.username = event.eventName;

    ProfileController *contr = [[ProfileController alloc] initWithUser:interlocator];
    [[self.navigationController navigationBar] setTintColor:[UIColor clearColor]];
    [self.navigationController pushViewController:contr animated:YES];
}

-(UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section
{
    UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 10)];
    view.backgroundColor = [UIColor clearColor];
    return section>0? 0 : view;
}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section;
{
    return section>0? 0: 10;
}

#pragma mark - Private

-(void)setupSegmentButton
{
    self.segment.apportionsSegmentWidthsByContent = YES;

    UIColor *color = [self gradientColorForSegmentSelectedStateWithText:NSLocalizedString(@"Общий рядом", nil) sizeForIphone:17 forIpad:25];

    UIFont *font = [UIFont fontWithName:@"HelveticaNeueCyr-Medium" size:IS_IPAD? 19 : 13];

    [self.segment setTitleTextAttributes:@{NSForegroundColorAttributeName : color, NSFontAttributeName: font} forState:UIControlStateSelected];

    [self.segment setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor whiteColor], NSFontAttributeName: font} forState:UIControlStateNormal];
}

- (UIColor *)gradientColorForSegmentSelectedStateWithText:(NSString *)text sizeForIphone:(CGFloat)iPhone forIpad:(CGFloat)iPad
{
    UIColor* startColor = [Utils colorWithHexString:@"#fe0d0d"];
    UIColor* endColor = [Utils colorWithHexString:@"#bf0000"];

    UILabel *label = [[UILabel alloc] init];
    label.text = text;
    label.font = [UIFont fontWithName:@"HelveticaNeueCyr-Medium" size:IS_IPAD? iPad : iPhone];

    UIColor *result = [Utils gradientColorForLabel:label fromColor:startColor toColor:endColor];

    return result;
}

@end