#import "OMImageTableViewController.h"
#import "OMImageTableViewCell.h"
#import <AFNetworking.h>
#import <AFNetworking/UIImageView+AFNetworking.h>

static NSString* const identifier = @"cellImage";

@interface OMImageTableViewController () <OMImageTableViewCellDelegate>

@property (strong, nonatomic) NSArray *arrayImages;
@property (strong, nonatomic) NSURL *documentsDirectoryURL;

@end

@implementation OMImageTableViewController

- (void)viewDidLoad {
[super viewDidLoad];

UIEdgeInsets insets = UIEdgeInsetsMake(10, 0, 0, 0);
self.tableView.contentInset = insets;

_arrayImages = [NSArray array];

NSString *pathResource = [[NSBundle mainBundle] pathForResource:@"imagesList" ofType:@"plist"];
NSDictionary *dictionary = [[NSDictionary alloc] initWithContentsOfFile:pathResource];
NSString *image1  = [dictionary valueForKey:@"image1"];
NSString *image2  = [dictionary valueForKey:@"image2"];
NSString *image3  = [dictionary valueForKey:@"image3"];
NSString *image4  = [dictionary valueForKey:@"image4"];
NSString *image5  = [dictionary valueForKey:@"image5"];
NSString *image6  = [dictionary valueForKey:@"image6"];
NSString *image7  = [dictionary valueForKey:@"image7"];
NSString *image8  = [dictionary valueForKey:@"image8"];
NSString *image9  = [dictionary valueForKey:@"image9"];
NSString *image10 = [dictionary valueForKey:@"image10"];
NSString *image11 = [dictionary valueForKey:@"image11"];
NSString *image12 = [dictionary valueForKey:@"image12"];
NSString *image13 = [dictionary valueForKey:@"image13"];
NSString *image14 = [dictionary valueForKey:@"image14"];
NSString *image15 = [dictionary valueForKey:@"image15"];
NSString *image16 = [dictionary valueForKey:@"image16"];
NSString *image17 = [dictionary valueForKey:@"image17"];
NSString *image18 = [dictionary valueForKey:@"image18"];
NSString *image19 = [dictionary valueForKey:@"image19"];
NSString *image20 = [dictionary valueForKey:@"image20"];

_arrayImages = @[image1, image2, image3, image4, image5, image6, image7, image8, image9, image10, image11, image12, image13, image14, image15, image16, image17, image18, image19, image20];

}

- (void)startDownload:(OMImageTableViewCell *)cell {

NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];

NSURL *url = [NSURL URLWithString:[_arrayImages objectAtIndex:cell.download.tag]];
NSURLRequest *request = [NSURLRequest requestWithURL:url cachePolicy:NSURLRequestReturnCacheDataElseLoad timeoutInterval:60];

[cell.imagePic setImageWithURLRequest:request placeholderImage:cell.imagePic.image success:nil failure:nil];

NSURLSessionDownloadTask *downloadTask = [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) {

    dispatch_async(dispatch_get_main_queue(), ^{
        [cell.progressDownload setProgress:downloadProgress.fractionCompleted];
    });

}  destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {

    _documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil];
    return [_documentsDirectoryURL URLByAppendingPathComponent:[response suggestedFilename]];

} completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {

    dispatch_async(dispatch_get_main_queue(), ^{
        NSData *data = [NSData dataWithContentsOfURL:filePath];
        cell.imagePic.image = [UIImage imageWithData:data];
    });

    NSLog(@"File downloaded to: %@", filePath);
}];
[downloadTask resume];

}

#pragma mark - UITableViewDataSource

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

return _arrayImages.count;

}

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

OMImageTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];

if (!cell) {
    cell = [[OMImageTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
}

cell.download.tag = indexPath.row;

cell.delegate = self;

return cell;

}

@end