/*

 Copyright (C) 2015 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Table view cell to display an earthquake.

 */

#import "APLEarthquakeTableViewCell.h"

#import "APLEarthquake.h"

@interface APLEarthquakeTableViewCell ()

// References to the subviews which display the earthquake data.

@property (nonatomic, weak) IBOutlet UILabel *locationLabel;

@property (nonatomic, weak) IBOutlet UILabel *dateLabel;

@property (nonatomic, weak) IBOutlet UILabel *magnitudeLabel;

@property (nonatomic, weak) IBOutlet UIImageView *magnitudeImage;

@property (nonatomic, readonly) NSDateFormatter *dateFormatter;

@end

#pragma mark -

@implementation APLEarthquakeTableViewCell

- (void)configureWithEarthquake:(APLEarthquake *)earthquake {

    self.locationLabel.text = earthquake.location;

    self.dateLabel.text = [NSString stringWithFormat:@"%@", [self.dateFormatter stringFromDate:earthquake.date]];

    self.magnitudeLabel.text = [NSString stringWithFormat:@"%.1f", earthquake.magnitude];

    self.magnitudeImage.image = [self imageForMagnitude:earthquake.magnitude];

}

// Based on the magnitude of the earthquake, return an image indicating its seismic strength.

- (UIImage *)imageForMagnitude:(CGFloat)magnitude {

    if (magnitude >= 5.0) {

        return [UIImage imageNamed:@"5.0.png"];

    }

    if (magnitude >= 4.0) {

        return [UIImage imageNamed:@"4.0.png"];

    }

    if (magnitude >= 3.0) {

        return [UIImage imageNamed:@"3.0.png"];

    }

    if (magnitude >= 0.0) {

        return [UIImage imageNamed:@"2.0.png"];

    }

    return nil;

}

// On-demand initializer for read-only property.

- (NSDateFormatter *)dateFormatter {

    static NSDateFormatter *dateFormatter = nil;

    if (dateFormatter == nil) {

        dateFormatter = [[NSDateFormatter alloc] init];

        dateFormatter.timeZone = [NSTimeZone localTimeZone];

        dateFormatter.dateStyle = NSDateFormatterMediumStyle;

        dateFormatter.timeStyle = NSDateFormatterMediumStyle;

    }

    return dateFormatter;

}

@end