/*

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

See LICENSE.txt for this sample’s licensing information

Abstract:

A simple view controller that manages a table view.

*/

#import "MasterViewController.h"

#import "TextViewController.h"

@interface MasterViewController ()

@property (nonatomic, strong) TextViewController *detailViewController;

@property (nonatomic, strong) NSDictionary *data;

@property (nonatomic, strong) NSArray *keys;

@end

@implementation MasterViewController

#pragma mark - UIViewController Life Cycle

- (void)viewDidLoad {

    [super viewDidLoad];

    self.title = @"Meals";

    // remember our detail view controller

    self.detailViewController = (TextViewController *)((UINavigationController *)self.splitViewController.viewControllers.lastObject).topViewController;

    // load our plist data for backing the table view

    self.data = [NSDictionary dictionaryWithContentsOfURL:[[NSBundle mainBundle] URLForResource:@"ipsums" withExtension:@"plist"]];

    self.keys = [(self.data).allKeys sortedArrayUsingSelector:@selector(compare:)];

    //  Unique config for iPads and iPhone 6 Plus

    if( self.traitCollection.userInterfaceIdiom == UIUserInterfaceIdiomPad || self.traitCollection.displayScale == 3.0 ) {

        // don't clear the selection (we are displaying in a split view on iPad & iPhone 6 Plus)

        self.clearsSelectionOnViewWillAppear = NO;

        // default by selecting the first row

        [self.tableView selectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0] animated:NO scrollPosition:UITableViewScrollPositionMiddle];

        // configure our detail view controller

        [self configureDetailItemForRow:0 viewController:self.detailViewController];

    }

}

#pragma mark - Seques

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

    if ([segue.identifier isEqualToString:@"showDetail"]) {

        // for iPhone, our segue will push the TextViewController, so configure it here in preparation for that push

        TextViewController *destinationVC = (TextViewController *)((UINavigationController *)segue.destinationViewController).topViewController;

        NSIndexPath *selectedIndexPath = (self.tableView).indexPathForSelectedRow;

        [self configureDetailItemForRow:selectedIndexPath.row viewController:destinationVC];

    }

}

#pragma mark - Workers

- (void)configureDetailItemForRow:(NSUInteger)row viewController:(TextViewController *)viewController {

    NSString *item = self.keys[row];

    NSString *text = self.data[item];

    viewController.text = text;

    viewController.title = item;

}

#pragma mark - UITableViewDataSource

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

    return (self.data).count;

}

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

    static NSString *CellIdentifier = @"Cell";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

    }

    // configure the cell

    cell.textLabel.text = self.keys[indexPath.row];

    if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone) {

        // disclosure indicators on iPhone only

        cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

    }

    return cell;

}

@end