#import "FileListViewController.h"

@interface FileListViewController () {
}

@property(nonatomic, strong) NSMutableArray *fileList;

@end

@implementation FileListViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    if (self.fileList == nil) {
        self.fileList = [NSMutableArray array];
    } else {
        [self.fileList removeAllObjects];
    }

    // List accounts
    NSFileManager *fm = [NSFileManager defaultManager];
    NSArray *files = [fm contentsOfDirectoryAtPath:self.listPath error:nil];
    for(NSString *file in files) {
        NSString *path = [self.listPath stringByAppendingPathComponent:file];
        BOOL isDir = NO;
        [fm fileExistsAtPath:path isDirectory:(&isDir)];
        if(!isDir && [file hasSuffix:@".json"]) {
            [self.fileList addObject:[file stringByDeletingPathExtension]];
        }
    }

    CGRect screenBounds = [[UIScreen mainScreen] bounds];

    int width = (int) roundf(screenBounds.size.width);
    int height = (int) roundf(screenBounds.size.height) - self.navigationController.navigationBar.frame.size.height;

    [self.tableView setSeparatorStyle:UITableViewCellSeparatorStyleSingleLine];
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [self.fileList count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    NSString *simpleTableIdentifier = @"cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:simpleTableIdentifier];
 
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:simpleTableIdentifier];
    }
 
    cell.textLabel.text = [self.fileList objectAtIndex:indexPath.row];
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [self dismissViewControllerAnimated:YES completion:nil];

    NSString *str = [self.fileList objectAtIndex:indexPath.row];
    self.whenItemSelected(str);
}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // TODO: invalidate token

        NSString *str = [self.fileList objectAtIndex:indexPath.row];
        NSFileManager *fm = [NSFileManager defaultManager];
        NSString *path = [NSString stringWithFormat:@"%@/%@.json", self.listPath, str];
        if (self.whenDelete != nil) {
            self.whenDelete(path);
        }
        [fm removeItemAtPath:path error:nil];
        [self.fileList removeObjectAtIndex:indexPath.row];
        [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
    }
}

@end