huaxun/LekangGuard/Home/Homes/ScanCodeViewController.m

//
//  ScanCodeViewController.m
//  LekangGuard
//
//  Created by ecell on 2022/10/11.
//

#import "ScanCodeViewController.h"
#import <AVFoundation/AVFoundation.h>
#import "SelectContactViewController.h"
#import "commWebViewController.h"
#import <SGQRCode/SGQRCode.h>



@interface ScanCodeViewController ()<SGScanCodeDelegate,SGScanCodeSampleBufferDelegate,UITextFieldDelegate>

/// 识别后的字符串
@property (strong, nonatomic) NSString *stringValue;

@property (nonatomic ,strong) SGScanCode *scanCode;
@property (nonatomic, strong) SGScanView *scanView;

@end

@implementation ScanCodeViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.view.backgroundColor = UIColor.darkTextColor;
    self.zx_navTitle = GJText(@"添加设备");
    [self zx_setRightBtnWithText:GJText(@"二维码/条码丢失?") clickedBlock:^(ZXNavItemBtn * _Nonnull btn) {
        commWebViewController *vc = [commWebViewController new];
        vc.url = QRcodeLostURLStr;
        vc.navTitle = GJText(@"二维码/条码丢失");
        [self.navigationController pushViewController:vc animated:YES];
    }];
    [self.view addSubview:self.scanView];
    
}

- (void)takeCameraAuthorityStatusCompletion:(void(^)(BOOL allow))completion
{
    //获取摄像头权限当前的状态
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    if ((authStatus == AVAuthorizationStatusRestricted || authStatus ==AVAuthorizationStatusDenied))
    {
        //用户禁止app 访问摄像头 或设置了家长控制 可以根据需求 给用户做一个友好的提示来让用户解除限制
        UIAlertController *alertController = [UIAlertController alertControllerWithTitle:GJText(@"提示") message:F(GJText(@"请为%@打开相机权限"),APPName) preferredStyle:UIAlertControllerStyleAlert];
          UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:GJText(@"取消") style:(UIAlertActionStyleCancel) handler:^(UIAlertAction * _Nonnull action) {
             [self.navigationController popViewControllerAnimated:YES];
          }];
          UIAlertAction *confrmAction = [UIAlertAction actionWithTitle:GJText(@"设置") style:(UIAlertActionStyleDefault) handler:^(UIAlertAction * _Nonnull action) {
              [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
          }];
          [alertController addAction:cancelAction];
          [alertController addAction:confrmAction];
          [self presentViewController:alertController animated:YES completion:nil];
        if (completion) {
            completion(NO);
        }
    }
    else
    {
        //判断是真机还是模拟器
        if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) {
            if (completion) {
                completion(YES);
            }
        } else {
            NSLog(@"模拟器中无法打开照相机,请在真机中使用");
            if (completion) {
                completion(NO);
            }
        }
    }
}



/// 二维码扫描
- (void)setupCamera
{
    self.scanCode = [[SGScanCode alloc] init];
    if (![self.scanCode checkCameraDeviceRearAvailable]) 
        return;
    self.scanCode.delegate = self;
    self.scanCode.sampleBufferDelegate = self;
    self.scanCode.preview = self.view;
    
    UILabel *bottomTitle = [UICommon ui_label:CGRectZero lines:0 align:NSTextAlignmentCenter font:FontADA_(14) textColor:UIColor.whiteColor text:GJText(@"扫描设备背面的二维码或者手动添加设备的IMEI/MEID号") Radius:0];
    [self.view addSubview:bottomTitle];
    [self.view bringSubviewToFront:bottomTitle];
    [bottomTitle mas_makeConstraints:^(MASConstraintMaker *make) {
        make.bottom.equalTo(self.view.mas_bottom).inset(Adapted(180));
        make.left.right.equalTo(self.view).inset(25);
        make.centerX.equalTo(self.view.mas_centerX);
    }];
    
    
    UIButton *btn = [UICommon ui_buttonSimple:CGRectZero font:FontADA_(15) normalColor:KKWhiteColorColor normalText:GJText(@"手动输入IMEI/MEID") click:^(id x) {
        [self stop];
        [self enterIMEIClick];
    }];
    [btn setBackgroundColor:KKMainColor];
    btn.layer.cornerRadius = 3;
    btn.layer.masksToBounds = YES;
    [self.view addSubview:btn];
    [self.view bringSubviewToFront:btn];
    [btn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(bottomTitle.mas_bottom).offset(50);
        make.centerX.equalTo(bottomTitle.mas_centerX);
        make.left.right.equalTo(self.view).inset(14);
        make.height.offset(Adapted(44));
    }];
    
}

- (void)scanCode:(SGScanCode *)scanCode result:(NSString *)result
{
    [self stop];
    if (result.length > 0)
    {
        NSMutableDictionary *parameters = nil;
        if ([result hasPrefix:@"http"])
        {
            parameters = [UICommon getDicWithUrl:result];
            [parameters enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
                if ([[key lowercaseString] isEqualToString:@"imei"]) {
                    [parameters setObject:obj forKey:@"imei"];
                }
            }];
        }
        else if (result.length <= 15)
        {
            parameters = [NSMutableDictionary dictionaryWithDictionary:@{@"imei":result}];
        }

        if (parameters[@"imei"] != nil)
        {
            [self nextActionWithParameters:parameters];
        }
        else
        {
            EasyAlertView *alertV = [EasyAlertView alertViewWithTitle:GJText(@"提示") subtitle:GJText(@"\n无效的二维码/条码,请重新扫描") AlertViewType:AlertViewTypeSystemAlert config:nil];
            [alertV addAlertItem:^EasyAlertItem *{
                return [EasyAlertItem itemWithTitle:GJText(@"确定") type:AlertItemTypeSystemDefault callback:^(EasyAlertView *showview, long index) {
                    [self start];
                }];
            }];
            [alertV showAlertView];
        }
    }
}

- (void)scanCode:(SGScanCode *)scanCode brightness:(CGFloat)brightness
{
    
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    kWeakSelf(self)
    [self takeCameraAuthorityStatusCompletion:^(BOOL allow) {
        if (allow)
        {
            [weakself setupCamera];
            [weakself start];
        }
    }];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    [self stop];
}

/// 开始扫描
- (void)start
{
    [self.scanCode startRunning];
    [self.scanView startScanning];
}

/// 停止扫描
- (void)stop
{
    [self.scanCode stopRunning];
    [self.scanView stopScanning];
}

/// 手动输入添加
- (void)enterIMEIClick
{
    kWeakSelf(self)
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:GJText(@"请输入IMEI/MEID号")message:@""preferredStyle:UIAlertControllerStyleAlert];
    [alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
        textField.keyboardType = UIKeyboardTypeNumberPad; //设置 UIKeyboardTypeNamePhonePad
        textField.delegate = self;
    }];
    
    [alert addAction:[UIAlertAction actionWithTitle:GJText(@"取消")
                                              style:UIAlertActionStyleCancel
                                            handler:^(UIAlertAction * _Nonnull action) {
        [self start];
    }]];
    
    [alert addAction:[UIAlertAction actionWithTitle:GJText(@"确定")
                                              style:UIAlertActionStyleDefault
                                            handler:^(UIAlertAction * _Nonnull action)
    {
        UITextField *textField = alert.textFields[0];
        NSMutableDictionary *parameters = [NSMutableDictionary dictionaryWithDictionary:@{@"imei":textField.text}];
        [weakself nextActionWithParameters:parameters];
    }]];
    [self presentViewController:alert animated:YES completion:nil];
}



#pragma mark  添加学生证
///  添加学生证
- (void)nextActionWithParameters:(NSMutableDictionary *)parameters
{
    [UICommon MessageUpload:@"加载中"];
    [[[APIManager sharedManager] APGET:F(@"%@/%@",ScanDevice_URL, parameters[@"imei"]) parameters:[NSDictionary new] resultClass:ScanCodeModel.class] subscribeNext:^(ScanCodeModel *model) {
        [UICommon HidenLoading];
       /// "1"代表已绑定，"0"该设备未绑定，"2"该设备自己已经绑定了
        if (model.binding_status < 2)
        {
            SelectContactViewController *vc = [SelectContactViewController new];
            vc.model = model;
            vc.imei = parameters[@"imei"];
            [self.navigationController pushViewController:vc animated:YES];
        }
        else
        {
            [UICommon HidenLoading];
            EasyAlertView *alertV = [EasyAlertView alertViewWithTitle:GJText(@"该设备自己已经绑定了") subtitle:nil AlertViewType:AlertViewTypeSystemAlert config:nil];
            [alertV addAlertItem:^EasyAlertItem *{
                return [EasyAlertItem itemWithTitle:GJText(@"确定") type:AlertItemTypeSystemDefault callback:^(EasyAlertView *showview, long index) {
                    [self start];
                    [UICommon HidenLoading];
                }];
            }];
            [alertV showAlertView];
        }
    } error:^(NSError * _Nullable error) {
        [UICommon HidenLoading];
        [self start];
        NSDictionary *dic = error.userInfo;
        [UICommon MessageErrorText:dic[NSLocalizedDescriptionKey]];
    }];
}



//MARK: UITextFieldDelegate 限制字数 和输入的 字符
-(BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{
    
    
    if([@"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" containsString:string]){
        // 最终的结果
        NSString *str = textField.text;
        NSString *resultStr = [str stringByReplacingCharactersInRange:range withString:string];
        
        if(resultStr.length > 15){
            return NO;
        }else{
            return YES;
        }
    }else{
        if([string isEqualToString:@""]){
            return YES;
        }
        return NO;
    }
}

- (SGScanView *)scanView
{
    if (!_scanView)
    {
        SGScanViewConfigure *configure = [[SGScanViewConfigure alloc] init];
        
        CGFloat x = 0;
        CGFloat y = 0;
        CGFloat w = self.view.frame.size.width;
        CGFloat h = self.view.frame.size.height;
        _scanView = [[SGScanView alloc] initWithFrame:CGRectMake(x, y, w, h) configure:configure];
        
        CGFloat scan_x = 0;
        CGFloat scan_y = 0.18 * self.view.frame.size.height;
        CGFloat scan_w = self.view.frame.size.width - 2 * x;
        CGFloat scan_h = self.view.frame.size.height - 2.55 * scan_y;
        _scanView.scanFrame = CGRectMake(scan_x, scan_y, scan_w, scan_h);

        __weak typeof(self) weakSelf = self;
        _scanView.doubleTapBlock = ^(BOOL selected) {
            __strong typeof(weakSelf) strongSelf = weakSelf;
            
            if (selected) {
                [strongSelf->_scanCode setVideoZoomFactor:4.0];
            } else {
                [strongSelf->_scanCode setVideoZoomFactor:1.0];
            }
        };
    }
    return _scanView;
}

/*
#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