ViewController.m

//
//  ViewController.m
//  comprintapp
//
//  Created by Ellis Gray on 8/01/2015.
//  Copyright (c) 2015 Ellis Gray. All rights reserved.
//

#import "ViewController.h"
#import "NavController.h"
#import "Client.h"

@interface ViewController () <UISearchBarDelegate, UISearchResultsUpdating, UITableViewDataSource, UISearchControllerDelegate>
// Bar button items
@property (nonatomic) UIBarButtonItem *jobButton;
@property (nonatomic) UIBarButtonItem *clientButton;

// Table view and delegate objects
@property (nonatomic) UITableView *tableView;

// Search
@property (nonatomic) UISearchController *searchController;
@property (nonatomic) NSMutableArray *searchResults;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Configure view
    self.view.backgroundColor = [UIColor colorWithWhite:.5f alpha:1];

    // Init properties
    _searchResults = [NSMutableArray arrayWithCapacity:[self.clients count]];
    _clients = [Client allPersistedClients];
    
    // Add barbutton items and tableview
    self.navigationItem.leftBarButtonItems = @[self.jobButton, self.clientButton];
    [self.view addSubview:self.tableView];
}

#pragma mark - TableView DataSource
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.searchController.active ? self.searchResults.count : self.clients.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cellID"];
    
    // Configure client for where ever it comes from
    Client *client = self.searchController.active ? [self.searchResults objectAtIndex:indexPath.row] : [self.clients objectAtIndex:indexPath.row];
    
    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@"cellID"];
    cell.textLabel.text = client.businessName;
    cell.detailTextLabel.text = client.contactName;
    return cell;
}

#pragma mark - UI Bar Button Items
- (UIBarButtonItem *)jobButton {
    if (!_jobButton) {
        _jobButton = [[UIBarButtonItem alloc] initWithCustomView:[CPUIHelper menuButtonWithTarget:self action:@selector(jobsTapped:) title:@"Jobs"]];
    }
    return _jobButton;
}
- (UIBarButtonItem *)clientButton {
    if (!_clientButton) {
        _clientButton = [[UIBarButtonItem alloc] initWithCustomView:[CPUIHelper menuButtonWithTarget:self action:@selector(clientsTapped:) title:@"Clients"]];
    }
    return _clientButton;
}

#pragma mark - UI Elements
- (UITableView *)tableView {
    if (!_tableView) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, self.view.frame.size.height) style:UITableViewStylePlain];
        _tableView.backgroundColor = [UIColor colorWithWhite:.3 alpha:1];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.tableHeaderView = self.searchController.searchBar;

        CGPoint offset = CGPointMake(0, self.searchController.searchBar.frame.size.height);
        _tableView.contentOffset = offset;
    }
    return _tableView;
}
- (UISearchController *)searchController {
    if (!_searchController) {
        _searchController = [[UISearchController alloc] initWithSearchResultsController:nil];
        _searchController.dimsBackgroundDuringPresentation = YES;
        _searchController.searchResultsUpdater = self;
        _searchController.delegate = self;
        _searchController.searchBar.frame = CGRectMake(0,0,320,44);
        _searchController.searchBar.searchBarStyle = UISearchBarStyleProminent;
        _searchController.searchBar.layer.backgroundColor = [UIColor whiteColor].CGColor;
        self.tableView.tableHeaderView = _searchController.searchBar;
    }
    return _searchController;
}

#pragma mark - Handle Update
- (void)updateSearchResultsForSearchController:(UISearchController *)searchController {
    NSString *searchString = [self.searchController.searchBar text];
    [self updateFilteredContentForClient:searchString];
}

- (void)updateFilteredContentForClient:(NSString *)searchString {
    if (searchString != nil || searchString.length > 0) {
        self.searchResults = [NSMutableArray arrayWithArray:[Client filterClientsForTerm:searchString]];
    } else {
        [self.searchResults removeAllObjects];
    }
    [self.tableView reloadData];
}

#pragma mark - UITableView Delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    NSLog(@"indexPath: %@", indexPath);
}


#pragma mark - User Events
- (void)clientsTapped:(UIButton *)sender {
    RKManagedObjectRequestOperation *operation = [Client clientRequestOperation];
    [operation setCompletionBlockWithSuccess:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult) {
        if (mappingResult)
            [self.tableView reloadData];

    } failure:^(RKObjectRequestOperation *operation, NSError *error) {
        [NSException raise:NSGenericException format:@"Error fetching clients operation: %@ - %@", operation, error];
    }];
    [operation start];
}
- (void)jobsTapped:(UIButton *)sender {
    NSLog(@"Jobs Tapped");
}

@end