/*

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

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Provides an interface for choosing and running one of the two available parsers.

 */

#import "ParserChoiceViewController.h"

#import "SongsViewController.h"

#import "LibXMLParser.h"

#import "CocoaXMLParser.h"

@interface ParserChoiceViewController ()

@property (nonatomic, strong) UINavigationController *songsNavigationController;

@property (nonatomic, strong) SongsViewController *songsViewController;

@property (nonatomic, strong) NSIndexPath *parserSelection;

@end

#pragma mark -

@implementation ParserChoiceViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Set the title

    self.title = @"Parsers";

    // set an initial parser selection

    self.parserSelection = [NSIndexPath indexPathForRow:0 inSection:0];

    _songsViewController = [[SongsViewController alloc] initWithStyle:UITableViewStylePlain];

    _songsNavigationController = [[UINavigationController alloc] initWithRootViewController:self.songsViewController];

}

- (IBAction)startParser:(id)sender {

    [self.navigationController presentViewController:self.songsNavigationController animated:YES completion:^{[self animationCompleted];}];

}

- (void)animationCompleted {

    [self.songsViewController parseWithParserType:(int)self.parserSelection.row];

}

#pragma mark - UITableViewDataSource

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

    return 2;

}

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

    static NSString * const kCellIdentifier = @"MyCell";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:kCellIdentifier];

    if (cell == nil) {

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

    }

    cell.textLabel.text = (indexPath.row == 0) ? [CocoaXMLParser parserName] : [LibXMLParser parserName];

    cell.accessoryType = ([indexPath isEqual:self.parserSelection]) ? UITableViewCellAccessoryCheckmark : UITableViewCellAccessoryNone;

    return cell;

}

#pragma mark - UITableViewDelegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

    self.parserSelection = indexPath;

    [tableView deselectRowAtIndexPath:indexPath animated:YES];

    [tableView reloadData];

}

@end