/*

 Copyright (C) 2017 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 View controller to display cooking temperatures in Centigrade, Fahrenheit, and Gas Mark.

 */

#import "TemperatureConverterViewController.h"

#import "TemperatureCell.h"

@interface TemperatureConverterViewController ()

@property (nonatomic, strong) NSArray *temperatureData;

@end

#pragma mark -

@implementation TemperatureConverterViewController

static NSString *MyIdentifier = @"MyIdentifier";

#pragma mark - UITableViewDataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    return self.temperatureData.count;

}

- (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    // Create a new TemperatureCell.

    TemperatureCell *cell =

        (TemperatureCell *)[aTableView dequeueReusableCellWithIdentifier:MyIdentifier

                                                            forIndexPath:indexPath];

    // Configure the temperature cell with the relevant data.

    NSDictionary *temperatureDictionary = (self.temperatureData)[indexPath.row];

    [cell setTemperatureDataFromDictionary:temperatureDictionary];

    return cell;

}

#pragma mark - Temperature data

- (NSArray *)temperatureData {

    if (_temperatureData == nil) {

        // Get the temperature data from the TemperatureData property list.

        NSString *temperatureDataPath = [[NSBundle mainBundle] pathForResource:@"TemperatureData" ofType:@"plist"];

        NSArray *array = [[NSArray alloc] initWithContentsOfFile:temperatureDataPath];

        self.temperatureData = array;

    }

    return _temperatureData;

}

#pragma mark - Memory management

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    self.temperatureData = nil;

}

@end