//
//  QrCodeViewController.m
//  Unity-iPhone
//
//  Created by zhl on 2022/11/24.
//

#import "QrCodeViewController.h"
#include "LBXScanNative.h"

@interface QrCodeViewController ()
@property (weak, nonatomic) IBOutlet UIImageView *scanImg;
@property (weak, nonatomic) IBOutlet UIView *container;
@property (weak, nonatomic) IBOutlet UILabel *titleLabel;
@property (weak, nonatomic) IBOutlet UIButton *closeBtn;
@property (weak, nonatomic) IBOutlet UITextView *textView;
@end

@implementation QrCodeViewController

- (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  [_closeBtn addTarget:self action:@selector(dismissSelf:) forControlEvents:UIControlEventTouchUpInside];
  self.container.backgroundColor = [UIColor whiteColor];
  self.container.layer.shadowOffset = CGSizeMake(0, 2);
  self.container.layer.shadowRadius = 2;
  self.container.layer.shadowColor = [UIColor blackColor].CGColor;
  self.container.layer.shadowOpacity = 0.5;
}

/*
 #pragma mark - Navigation
 
 // In a storyboard-based application, you will often want to do a little preparation before navigation
 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
 // Get the new view controller using [segue destinationViewController].
 // Pass the selected object to the new view controller.
 }
 */

- (void)viewWillAppear:(BOOL)animated
{
  [super viewWillAppear:animated];
  
  if (!_imgScan) {
    _scanImg.backgroundColor = [UIColor grayColor];
    if (_content) {
      CGSize _size = _scanImg.frame.size;
      _imgScan = [LBXScanNative createQRWithString:_content QRSize:_size];
    }
  }
  _titleLabel.text = _tipTitle;
  _scanImg.image = _imgScan;
  if (_autosave) {
    [self saveToPhotoLibrary];
  }
}
// save qr image to Camera Roll album
-(void) saveToPhotoLibrary {
  UIGraphicsBeginImageContextWithOptions(self.container.bounds.size, NO, 0);
  CGContextRef ctx =  UIGraphicsGetCurrentContext();
  [self.container.layer renderInContext:ctx];
  UIImage * newImage = UIGraphicsGetImageFromCurrentImageContext();
  UIGraphicsEndImageContext();
  UIImageWriteToSavedPhotosAlbum(newImage, self, @selector(image:didFinishSavingWithError:contextInfo:), NULL);
}

- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo
{
  if (error) {
    NSLog(@"保存失败");
  } else {
    NSLog(@"保存成功");
  }
}

-(void)dismissSelf:(UIButton *)button{
  [self dismissViewControllerAnimated:YES completion:nil];
}

@end