klx_teacher/KulexiuForTeacher/KulexiuForTeacher/Module/Home/ScanView/Controller/KSScanViewController.m

//
//  KSScanViewController.m
//  KulexiuForTeacher
//
//  Created by 王智 on 2022/6/30.
//

#import "KSScanViewController.h"
#import "GRScanManager.h"
#import "ScanNavView.h"
#import "KSBaseWKWebViewController.h"
#import "KSMediaManager.h"
#import "KSPremissionAlert.h"
#import "RecordCheckManager.h"

@interface KSScanViewController ()

@property (nonatomic, strong) KSMediaManager *mediaManager;
@property (nonatomic, strong) NSMutableArray *imageArray;    // 图片数组
@property (nonatomic, strong) NSMutableArray *imageAsset;    // 图片 asset

@property (nonatomic, strong) GRScanManager *scanManager;

@property (nonatomic, strong) ScanNavView *navView;

@property (nonatomic, strong) UIImageView *scanView;

@property (nonatomic, strong) UIView *maskView;


@end

@implementation KSScanViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.ks_prefersNavigationBarHidden = YES;
    self.view.backgroundColor = HexRGB(0x000000);
    [self configUI];
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    [self startScan];

}

- (void)configUI {
    UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake((KPortraitWidth - 255) / 2.0f, (KPortraitHeight - 255) / 2.0f, 255, 255)];
    CGRect qrViweFrame = imageView.frame;
    imageView.image = [UIImage imageNamed:@"ScanView"];
    [self.view addSubview:imageView];
    
    self.scanView = imageView;
    
    CAShapeLayer *shperLayer = [[CAShapeLayer alloc]init];
    
    CGMutablePathRef path = CGPathCreateMutable();
    // 保留顶部
    CGPathAddRect(path, nil, CGRectMake(0, 0, KPortraitWidth, CGRectGetMinY(qrViweFrame)));
    // 保留底部
    CGPathAddRect(path, nil, CGRectMake(0,CGRectGetMaxY(qrViweFrame), KPortraitWidth,KPortraitHeight - CGRectGetMaxY(qrViweFrame)));
    //保留左边
    CGPathAddRect(path, nil, CGRectMake(0,CGRectGetMinY(qrViweFrame), CGRectGetMinX(qrViweFrame),300));
    //保留右边
    CGPathAddRect(path, nil, CGRectMake(CGRectGetMaxX(qrViweFrame),CGRectGetMinY(qrViweFrame),KPortraitWidth - CGRectGetMaxX(qrViweFrame),300));
    shperLayer.path = path;
    CGPathRelease(path);
    
    UIView *view = [[UIView alloc] initWithFrame:self.view.bounds];
    view.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.7];
    [self.view addSubview:view];
    self.maskView = view;
    view.layer.mask = shperLayer;
    
    [self.view addSubview:self.navView];
    [self.navView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.top.mas_equalTo(self.view);
        make.height.mas_equalTo(kNaviBarHeight);
    }];
    
    UILabel *msg = [[UILabel alloc] initWithFrame:CGRectMake(30, CGRectGetMaxY(imageView.frame) + 15, KPortraitWidth - 60, 22)];
    msg.backgroundColor = [UIColor clearColor];
    msg.textColor = HexRGB(0xffffff);
    msg.textAlignment = NSTextAlignmentCenter;
    msg.font = [UIFont systemFontOfSize:16];
    msg.text = @"请对准需要识别的二维码。";
    [self.view addSubview:msg];
}

- (void)startScan {
    MJWeakSelf;
    [self.scanManager startScanningQRCodeWithInView:self.view scanView:self.scanView resultCallback:^(NSString *result) {
        [weakSelf.scanManager stopScanning];
        [weakSelf dealWithCheckSource:result];
        NSLog(@"%@",result);
    }];
}

- (void)dealWithCheckSource:(NSString *)result {
    if (result) {
        if ([result containsString:hostURL]) {
            KSBaseWKWebViewController *webCtrl = [[KSBaseWKWebViewController alloc] init];
            webCtrl.url = result;
            [self.navigationController pushViewController:webCtrl animated:YES];
        }
        else {
            [self backPreView];
        }
    }
}

- (void)backPreView {
    [LOADING_MANAGER KSShowMsg:@"请扫描酷乐秀二维码" promptCompletion:^{

        [self.navigationController popViewControllerAnimated:YES];
    }];
}


- (GRScanManager *)scanManager {
    if (!_scanManager) {
        _scanManager = [[GRScanManager alloc] init];
        _scanManager.supportBarCode = YES;
        _scanManager.supportQRCode  = YES;
    }
    return _scanManager;
}

- (ScanNavView *)navView {
    if (!_navView) {
        _navView = [ScanNavView shareInstance];
        MJWeakSelf;
        [_navView scanActionCallback:^(SCANNAV_ACTION action) {
            [weakSelf topNavAction:action];
        }];
    }
    return _navView;
}

- (void)topNavAction:(SCANNAV_ACTION)action {
    if (action == SCANNAV_ACTION_BACK) {
        [self.navigationController popViewControllerAnimated:YES];
    }
    else {  // 选择相册
        // 判断是否有权限
        PREMISSIONTYPE albumEnable = [RecordCheckManager checkPhotoLibraryPremissionAvaiable:NO showInView:nil];
        if (albumEnable == PREMISSIONTYPE_YES) { // 如果有权限
            [self choosePhoneScan];
        }
        else {
            if (albumEnable == PREMISSIONTYPE_NO) {
                [self showAlertWithMessage:@"请开启相册访问权限" type:CHECKDEVICETYPE_CAMREA];
            }
        }
        
    }
}
- (void)showAlertWithMessage:(NSString *)message type:(CHECKDEVICETYPE)deviceType {
    [KSPremissionAlert shareInstanceDisplayImage:deviceType message:message showInView:self.view cancel:^{
        
    } confirm:^{
        [self openSettingView];
    }];
    
}

- (void)openSettingView {
    if (@available(iOS 10, *)) {
        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString] options:@{} completionHandler:nil];
    } else {
        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
    }
}

- (void)choosePhoneScan {
    // 调用相册
    self.mediaManager = [[KSMediaManager alloc] init];
    self.mediaManager.mediaType = MEDIATYPE_PHOTO;
    self.mediaManager.maxPhotoNumber = 1;
    self.mediaManager.baseCtrl = self;
    self.mediaManager.imageArray = [self.imageArray mutableCopy];
    self.mediaManager.imageAsset = [self.imageAsset mutableCopy];
    self.mediaManager.needCropImage = NO;
    MJWeakSelf;
    [self.mediaManager noAlertCallback:^(NSString * _Nullable videoUrl, NSMutableArray * _Nullable imageArray, NSMutableArray * _Nullable imageAsset) {
        dispatch_main_async_safe(^{
            [weakSelf scanImage:[imageArray lastObject]];
        });
    }];
    [self.mediaManager pushImagePickerController];
}

- (void)scanImage:(UIImage *)image {
    CIDetector *detector = [CIDetector detectorOfType:CIDetectorTypeQRCode context:nil options:@{ CIDetectorAccuracy : CIDetectorAccuracyHigh }];
    
    NSArray *features = [detector featuresInImage:[CIImage imageWithCGImage:image.CGImage]];
    if (features.count > 0) {
        CIQRCodeFeature *feature = [features objectAtIndex:0];
        NSString *scannedResult = feature.messageString;
        NSLog(@"result:%@",scannedResult);
        [self dealWithCheckSource:scannedResult];
    }
    else {
        [LOADING_MANAGER MBShowAUTOHidingInWindow:@"无法识别"];
    }

}

/*
#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.
}
*/

@end