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 <KSToolLibrary/GRScanManager.h>
#import "ScanNavView.h"
#import "KSBaseWKWebViewController.h"
#import "KSMediaManager.h"
#import "KSPremissionAlert.h"
#import <KSToolLibrary/RecordCheckManager.h>

#import "ScanLoginViewController.h"
#import "ScanFailViewController.h"
#import "ScanOpenAlert.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;

@property (nonatomic, strong) ScanOpenAlert *openAlert;

@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)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    [self.scanManager stopScanning];
}

- (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]) { // 如果是本端链接
            result = [result getUrlEndcodeString];
            KSBaseWKWebViewController *webCtrl = [[KSBaseWKWebViewController alloc] init];
            webCtrl.url = result;
            [self.navigationController pushViewController:webCtrl animated:YES];
        }
        else if ([result hasPrefix:@"http://"] || [result hasPrefix:@"https://"]) { // 如果非本端链接
            result = [result getUrlEndcodeString];
            [self.openAlert configWithLinkUrl:result];
            [self.openAlert showAlertInView:self.view];
        }
        else {
            NSData *jsonData = [result mj_JSONData];
            NSError *error;
            NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers error:&error];
            if (!error) {
                NSString *action = [dict ks_stringValueForKey:@"action"];
                if ([action isEqualToString:@"login"]) { // 登录乐教通
                    NSString *uuid = [dict ks_stringValueForKey:@"uuid"];
                    [self scanAuthCodeRequest:uuid];
                }
            }
            else {
                // 无法识别
                [self showScanFailedPage];
            }
        }

    }
    else {
        // 无法识别
        [self showScanFailedPage];
    }
}


- (void)showScanFailedPage {
    ScanFailViewController *ctrl = [[ScanFailViewController alloc] init];
    ctrl.failType = SCANFAIL_UNRECOGNIZE;
    [self.navigationController pushViewController:ctrl animated:YES];
}

- (void)scanAuthCodeRequest:(NSString *)uuid {
    [KSNetworkingManager scanQrCodeRequest:KS_POST uuid:uuid success:^(NSDictionary * _Nonnull dic) {
        
        if ([dic ks_integerValueForKey:@"code"] == 200) { // 正常
            ScanLoginViewController *ctrl = [[ScanLoginViewController alloc] init];
            ctrl.uuid = uuid;
            [self.navigationController pushViewController:ctrl animated:YES];
        }
        else if ([dic ks_integerValueForKey:@"code"] == 5440) { // 过期
            ScanFailViewController *ctrl = [[ScanFailViewController alloc] init];
            ctrl.failType = SCANFAIL_EXPIRED;
            [self.navigationController pushViewController:ctrl animated:YES];
        }
        else if ([dic ks_integerValueForKey:@"code"] == 5445) { // 不支持授权
            ScanFailViewController *ctrl = [[ScanFailViewController alloc] init];
            ctrl.failType = SCANFAIL_UNSUPPORAUTH;
            [self.navigationController pushViewController:ctrl animated:YES];
        }
        else {
            [LOADING_MANAGER KSShowMsg:MESSAGEKEY promptCompletion:^{
                [self startScan];
            }];
        }
    } faliure:^(NSError * _Nonnull error) {
        [self startScan];
    }];
}

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

- (ScanOpenAlert *)openAlert {
    if (!_openAlert) {
        _openAlert = [ScanOpenAlert shareInstance];
        MJWeakSelf;
        [_openAlert alertActionCallback:^(BOOL openLink, NSString * _Nullable linkUrl) {
            [weakSelf scanAlertAction:openLink linkUrl:linkUrl];
        }];
    }
    return _openAlert;
}

- (void)scanAlertAction:(BOOL)isOpen linkUrl:(NSString *)linkUrl {
    if (isOpen) { // 关闭页面， 打开外部页面
        if (![NSString isEmptyString:linkUrl]) {
            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:linkUrl] options: @{} completionHandler: nil];
        }
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0f * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            [self backAction];
        });
    }
    else { // 重新开启扫码
        [self startScan];
    }
}

- (void)backAction {
    [self.view endEditing:YES];
    // 根据需要返回到不同页面
    
    [self.navigationController popViewControllerAnimated:YES];
}

- (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
        [RecordCheckManager checkPhotoLibraryPremissionAvaiableCallback:^(PREMISSIONTYPE type) {
            if (type == PREMISSIONTYPE_YES) {
                [self choosePhoneScan];
            }
            else {
                [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