/*

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

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 UITableViewController that Displays a list of CLPlacemarks.

 */

#import "PlacemarksListViewController.h"

#import "PlacemarkViewController.h"

static NSString *CellIdentifier = @"Cell";

@import Contacts;

@interface PlacemarksListViewController ()

@property (nonatomic, strong) NSArray *placemarks;

@end

#pragma mark -

@implementation PlacemarksListViewController

- (instancetype)initWithStyle:(UITableViewStyle)style

{

    return [self initWithPlacemarks:nil];

}

- (instancetype)initWithCoder:(NSCoder *)aDecoder

{

    return [self initWithPlacemarks:nil];

}

- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    return [self initWithPlacemarks:nil];

}

- (instancetype)initWithPlacemarks:(NSArray*)placemarks

{

    self = [super initWithStyle:UITableViewStyleGrouped];

    if (self != nil)

    {

        _placemarks = placemarks;

    }

    return self;

}

#pragma mark - View lifecycle

- (void)viewDidLoad

{

    [super viewDidLoad];

    self.title = @"CLPlacemarks";

    self.tableView.estimatedRowHeight = 44.f;

    self.tableView.rowHeight = UITableViewAutomaticDimension;

}

#pragma mark - UITableViewDataSource

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

{

    // return the number of rows in the section.   

    if (self.placemarks == nil || self.placemarks.count == 0)

    {

        return 1;

    }

    return self.placemarks.count;

}

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

{

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil)

    {

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

    }

    if (self.placemarks == nil || self.placemarks.count == 0)

    {

        // show a zero results cell

        cell.textLabel.text = @"No Placemarks..";

    }

    else

    {

        CLPlacemark *placemark = self.placemarks[indexPath.row];

        // use the Contacts framework to create a readable formatter address

        CNMutablePostalAddress *postalAddress = [[CNMutablePostalAddress alloc] init];

        postalAddress.street = placemark.thoroughfare;

        postalAddress.city = placemark.locality;

        postalAddress.state = placemark.administrativeArea;

        postalAddress.postalCode = placemark.postalCode;

        postalAddress.country = placemark.country;

        postalAddress.ISOCountryCode = placemark.ISOcountryCode;

        NSString *addressString = [CNPostalAddressFormatter stringFromPostalAddress:postalAddress style:CNPostalAddressFormatterStyleMailingAddress];

        CLLocationDegrees latitude = placemark.location.coordinate.latitude;

        CLLocationDegrees longitude = placemark.location.coordinate.longitude;

        NSString *coordString = [NSString stringWithFormat:@"φ:%.4F, λ:%.4F", latitude, longitude];

        // strip out any empty lines in the address

        NSString *finalAttrString = @"";

        NSArray *arrSplit = [addressString componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]];

        for (NSString *subStr in arrSplit)

        {

            if (subStr.length > 0)

            {

                if (finalAttrString.length > 0)

                {

                    finalAttrString = [finalAttrString stringByAppendingString:@"\n"];

                }

                finalAttrString = [finalAttrString stringByAppendingString:subStr];

            }

        }

        (cell.textLabel).lineBreakMode = NSLineBreakByWordWrapping;

        cell.textLabel.numberOfLines = 0;

        cell.textLabel.font = [UIFont systemFontOfSize:16.0];

        cell.textLabel.text = finalAttrString;

        (cell.detailTextLabel).lineBreakMode = NSLineBreakByWordWrapping;

        cell.detailTextLabel.numberOfLines = 0;

        cell.detailTextLabel.font = [UIFont boldSystemFontOfSize:16.0];

        cell.detailTextLabel.text = coordString;

        cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

    }

    return cell;

}

#pragma mark - UITableViewDelegate

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

{

    CLPlacemark *placemark = self.placemarks[indexPath.row];

    PlacemarkViewController *pvc = [[PlacemarkViewController alloc] initWithPlacemark:placemark];

    [self.navigationController pushViewController:pvc animated:YES];

}

@end