#import <UIKit/UIKit.h>

#import <JTCalendar/JTCalendar.h>

@interface ViewController : UIViewController<JTCalendarDelegate>

@property (weak, nonatomic) IBOutlet JTCalendarMenuView *calendarMenuView;
@property (weak, nonatomic) IBOutlet JTHorizontalCalendarView *calendarContentView;

@property (strong, nonatomic) JTCalendarManager *calendarManager;

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
        
    _calendarManager = [JTCalendarManager new];
    _calendarManager.delegate = self;
    
    [_calendarManager setMenuView:_calendarMenuView];
    [_calendarManager setContentView:_calendarContentView];
    [_calendarManager setDate:[NSDate date]];
}

@end

- (void)calendar:(JTCalendarManager *)calendar prepareDayView:(JTCalendarDayView *)dayView
{
    dayView.hidden = NO;
    
    // Test if the dayView is from another month than the page
    // Use only in month mode for indicate the day of the previous or next month
    if([dayView isFromAnotherMonth]){ 
        dayView.hidden = YES;
    }
    // Today
    else if([_calendarManager.dateHelper date:[NSDate date] isTheSameDayThan:dayView.date]){
        dayView.circleView.hidden = NO;
        dayView.circleView.backgroundColor = [UIColor blueColor];
        dayView.dotView.backgroundColor = [UIColor whiteColor];
        dayView.textLabel.textColor = [UIColor whiteColor];
    }
    // Selected date
    else if(_dateSelected && [_calendarManager.dateHelper date:_dateSelected isTheSameDayThan:dayView.date]){
        dayView.circleView.hidden = NO;
        dayView.circleView.backgroundColor = [UIColor redColor];
        dayView.dotView.backgroundColor = [UIColor whiteColor];
        dayView.textLabel.textColor = [UIColor whiteColor];
    }
    // Another day of the current month
    else{
        dayView.circleView.hidden = YES;
        dayView.dotView.backgroundColor = [UIColor redColor];
        dayView.textLabel.textColor = [UIColor blackColor];
    }
    
    // Your method to test if a date have an event for example
    if([self haveEventForDay:dayView.date]){
        dayView.dotView.hidden = NO;
    }
    else{
        dayView.dotView.hidden = YES;
    }
}

- (void)calendar:(JTCalendarManager *)calendar didTouchDayView:(JTCalendarDayView *)dayView
{
    // Use to indicate the selected date
    _dateSelected = dayView.date;
    
    // Animation for the circleView
    dayView.circleView.transform = CGAffineTransformScale(CGAffineTransformIdentity, 0.1, 0.1);
    [UIView transitionWithView:dayView
                      duration:.3
                       options:0
                    animations:^{
                        dayView.circleView.transform = CGAffineTransformIdentity;
                        [_calendarManager reload];
                    } completion:nil];
    
    // Load the previous or next page if touch a day from another month
    if(![_calendarManager.dateHelper date:_calendarContentView.date isTheSameMonthThan:dayView.date]){
        if([_calendarContentView.date compare:dayView.date] == NSOrderedAscending){
            [_calendarContentView loadNextPageWithAnimation];
        }
        else{
            [_calendarContentView loadPreviousPageWithAnimation];
        }
    }
}

_calendarManager.settings.weekModeEnabled = YES;
[_calendarManager reload];

// This method is independent from the date, it's call only at the creation of the dayView.
// For customize the dayView depending of the date use `prepareDayView` method
- (UIView<JTCalendarDay> *)calendarBuildDayView:(JTCalendarManager *)calendar
{
    JTCalendarDayView *view = [JTCalendarDayView new];
    view.textLabel.font = [UIFont fontWithName:@"Avenir-Light" size:13];
    view.textLabel.textColor = [UIColor blackColor];
    
    return view;
}

// Used to limit the date for the calendar
- (BOOL)calendar:(JTCalendarManager *)calendar canDisplayPageWithDate:(NSDate *)date
{
    return [_calendarManager.dateHelper date:date isEqualOrAfter:_minDate andEqualOrBefore:_maxDate];
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    _calendarManager = [JTCalendarManager new];
    _calendarManager.delegate = self;
    
    _calendarManager.settings.pageViewHaveWeekDaysView = NO; // You don't want WeekDaysView in the contentView
    _calendarManager.settings.pageViewNumberOfWeeks = 0; // Automatic number of weeks
    
    _weekDayView.manager = _calendarManager; // You set the manager for WeekDaysView
    [_weekDayView reload]; // You load WeekDaysView manually

    [_calendarManager setMenuView:_calendarMenuView];
    [_calendarManager setContentView:_calendarContentView];
    [_calendarManager setDate:[NSDate date]];
    
    _calendarMenuView.scrollView.scrollEnabled = NO; // The scroll is not supported with JTVerticalCalendarView
}

_calendarManager.dateHelper.calendar.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"CDT"];
_calendarManager.dateHelper.calendar.locale = [NSLocale localeWithLocaleIdentifier:@"fr_FR"];
[_calendarManager reload];

[_calendarManager.dateHelper date:dateA isTheSameMonthThan:dateB];
[_calendarManager.dateHelper date:dateA isTheSameWeekThan:dateB];
[_calendarManager.dateHelper date:dateA isTheSameDayThan:dateB];

// Use to limit the calendar range
[_calendarManager.dateHelper date:date isEqualOrAfter:minDate andEqualOrBefore:maxDate];

NSDateFormatter *dateFormatter = [_calendarManager.dateHelper createDateFormatter];
dateFormatter.dateFormat = @"yyyy'-'MM'-'dd' 'HH':'mm':'ss";
NSLog(@"%@", [dateFormatter stringFromDate:yourDate]);