// Copyright 2016-present 650 Industries. All rights reserved.

#import <AVFoundation/AVFoundation.h>
#import <EXBarCodeScanner/EXBarCodeScannerUtils.h>

@implementation EXBarCodeScannerUtils

+ (NSDictionary *)validBarCodeTypes
{
  return @{
           @"upc_e" : AVMetadataObjectTypeUPCECode,
           @"code39" : AVMetadataObjectTypeCode39Code,
           @"code39mod43" : AVMetadataObjectTypeCode39Mod43Code,
           @"ean13" : AVMetadataObjectTypeEAN13Code,
           @"ean8" : AVMetadataObjectTypeEAN8Code,
           @"code93" : AVMetadataObjectTypeCode93Code,
           @"code138" : AVMetadataObjectTypeCode128Code,
           @"pdf417" : AVMetadataObjectTypePDF417Code,
           @"qr" : AVMetadataObjectTypeQRCode,
           @"aztec" : AVMetadataObjectTypeAztecCode,
           @"interleaved2of5" : AVMetadataObjectTypeInterleaved2of5Code,
           @"itf14" : AVMetadataObjectTypeITF14Code,
           @"datamatrix" : AVMetadataObjectTypeDataMatrixCode,
           };
}

+ (AVCaptureVideoOrientation)videoOrientationForInterfaceOrientation:(UIInterfaceOrientation)orientation
{
  switch (orientation) {
    case UIInterfaceOrientationPortrait:
      return AVCaptureVideoOrientationPortrait;
    case UIInterfaceOrientationPortraitUpsideDown:
      return AVCaptureVideoOrientationPortraitUpsideDown;
    case UIInterfaceOrientationLandscapeRight:
      return AVCaptureVideoOrientationLandscapeRight;
    case UIInterfaceOrientationLandscapeLeft:
      return AVCaptureVideoOrientationLandscapeLeft;
    default:
      return 0;
  }
}

+ (AVCaptureDevice *)deviceWithMediaType:(AVMediaType)mediaType
                      preferringPosition:(AVCaptureDevicePosition)position
{
  NSArray *devices = [AVCaptureDevice devicesWithMediaType:mediaType];
  AVCaptureDevice *captureDevice = [devices firstObject];
  
  for (AVCaptureDevice *device in devices) {
    if ([device position] == position) {
      captureDevice = device;
      break;
    }
  }
  
  return captureDevice;
}

@end