JSJP_Student/jiaPei/ScanVC.m

//
//  ScanVC.m
//  jiaPei
//
//  Created by apple on 16/4/19.
//  Copyright © 2016年 JCZ. All rights reserved.
//

#import "ScanVC.h"
#import <AVFoundation/AVFoundation.h>
#import "DES3Util.h"
#import "Tools.h"

#define KWidth (kSize.width/2.0 + 30)

@interface ScanVC ()<AVCaptureMetadataOutputObjectsDelegate>
{
    BOOL                       isDown;
    NSTimer                    *timer;
    NSInteger                  num;
    UIImageView                *scanBackground;
    UIImageView                *line;
    AVCaptureDevice            *device;
    AVCaptureSession           *session;
    AVCaptureDeviceInput       *input;
    AVCaptureMetadataOutput    *output;
    AVCaptureVideoPreviewLayer *preview;
    
    NSInteger                  order;
    NSString                   *dataString;
}

@end

@implementation ScanVC

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.backgroundColor = backGroundColor;
    self.title = @"二维码扫描";
    [self configNavigationBar];
    scanBackground = [[UIImageView alloc] initWithFrame:CGRectMake((kSize.width - KWidth)/2.0, (kSize.height - KWidth)/2.0 - kNavOffSet, KWidth, KWidth)];
    scanBackground.image = [[UIImage imageNamed:@"scanBackground.png"] tint:RQ_MAIN_COLOR];
    [self.view addSubview:scanBackground];
    
    line = [[UIImageView alloc] initWithFrame:CGRectMake(CGRectGetMinX(scanBackground.frame)+5, CGRectGetMinY(scanBackground.frame)+5, KWidth-10,2)];
    line.image = [[UIImage imageNamed:@"scanLine.png"] tint:RQ_MAIN_COLOR];
    [self.view addSubview:line];
    
    [self setOverView];
    [self initScan];
    
    order = 0;
    isDown = YES;
    num = 0;
    timer = [NSTimer scheduledTimerWithTimeInterval:.05 target:self selector:@selector(timeRunToAnimation) userInfo:nil repeats:YES];
}

-(void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    num = 0; //让先从最上面开始扫描
    if (timer) {
        [timer setFireDate:[NSDate distantPast]];
    }
    if (session && ![session isRunning]) {
        [session startRunning];
    }
}
-(void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    if (timer) {
        [timer setFireDate:[NSDate distantFuture]];
    }
    if (session && [session isRunning]) {
        [session stopRunning];
    }
}

- (void)timeRunToAnimation {
    if (isDown) {
        num ++;
        if (num > (KWidth-10)/2.0) {
            isDown = NO;
        }

    }else{
        num --;
        if (num == 0) {
            isDown = YES;
        }
    }
	
    line.frame = CGRectMake(CGRectGetMinX(scanBackground.frame)+5, CGRectGetMinY(scanBackground.frame)+5 + num*2, KWidth-10,2);
}

//二维码操作
-(void)initScan
{
    NSString *mediaType = AVMediaTypeVideo;
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
    if (authStatus == AVAuthorizationStatusRestricted || authStatus == AVAuthorizationStatusDenied) {		
        [self.navigationController popViewControllerAnimated:YES];
        
        [RQ_SHARE_FUNCTION showAlertWithTitle:@"温馨提示" message:@"请在iPhone的“设置”-“隐私”-“相机”功能中，找到“极速驾培”打开相机访问权限" alertControllerStyle:UIAlertControllerStyleAlert cancelButtonTitle:@"取消" otherButtonTitles:@[@"确定"] otherButtonStyles:nil showInWindow:NO completion:^(NSUInteger selectedOtherButtonIndex) {
            if (selectedOtherButtonIndex == 0) {
                NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
                if ([[UIApplication sharedApplication] canOpenURL:url]) {
                    [[UIApplication sharedApplication] openURL:url options:@{} completionHandler:nil];
                }
            }
        }];
        
        return;
    }
    
    //获取设备
    device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
    //输入流
    input = [AVCaptureDeviceInput deviceInputWithDevice:device error:nil];
    
    //输出流
    output = [[AVCaptureMetadataOutput alloc] init];
    //设置代理
    
    //(kSize.width - KWidth)/2.0, (kSize.height - KWidth)/2.0, KWidth, KWidth)
    //这里添加一点 这样就很容易扫到码了
    CGRect rect = scanBackground.frame;
    rect.origin.x   = (kSize.width - KWidth - 80)/2.0;
    rect.origin.y   = (kSize.height - KWidth - 80)/2.0;
    rect.size.width = rect.size.height = KWidth + 80;
    
    [output setMetadataObjectsDelegate:self queue:dispatch_get_main_queue()];
    output.rectOfInterest =[self rectOfInterestByScanViewRect:rect];
    
    //NSLog(@"%@",output.rectOfInterest);
    
    //起连接作用的回执
    session = [[AVCaptureSession alloc] init];
    [session setSessionPreset:AVCaptureSessionPresetHigh];
    if ([session canAddInput:input]){
        [session addInput:input];
    }
    if ([session canAddOutput:output]){
        [session addOutput:output];
    }
    
    //指定output所能扫描的类型
    output.metadataObjectTypes = @[AVMetadataObjectTypeEAN13Code, AVMetadataObjectTypeEAN8Code, AVMetadataObjectTypeCode128Code, AVMetadataObjectTypeQRCode];
    
    //界面
    preview = [[AVCaptureVideoPreviewLayer alloc] initWithSession:session];
    preview.videoGravity = AVLayerVideoGravityResizeAspectFill;
    preview.frame = self.view.bounds;
    [self.view.layer insertSublayer:preview atIndex:0];
    [self.view bringSubviewToFront:scanBackground];
    
    
    //开始扫描
    [session startRunning];
    
}
//扫描到的信息通过output的协议方法返回
- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputMetadataObjects:(NSArray *)metadataObjects fromConnection:(AVCaptureConnection *)connection
{
    if (metadataObjects.count > 0)
    {
        AVMetadataMachineReadableCodeObject *object = [metadataObjects firstObject];
        //session关闭
        [session stopRunning];
        [timer setFireDate:[NSDate distantFuture]];
        
//需要我们对接的二维码抬头
        if ([object.stringValue containsString:@"#DECODE#"] && object.stringValue.length > 8) {
            
            BOOL SP_IS_MNQisTure = NO;
            for (ParamsItem *item in RQ_USER_MANAGER.currentUser.params) {
                if ([item.KEY isEqualToString:@"SP_IS_MNQ"]) {
                    if ([item.VALUE isEqualToString:@"1"]) {
                        SP_IS_MNQisTure = YES;
                    }
                }
            }
            
            //程序内某些验证
            NSString *testString = [DES3Util decrypt:[object.stringValue substringFromIndex:8]];

            NSArray *scanArray = [testString componentsSeparatedByString:@";"];
    /* 是APP的二维码*/
            if ([[scanArray firstObject] isEqualToString:@"#JSDTMO#"]) {
                
                //二维码是否过期
                NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
                formatter.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"];
                [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
                NSDate *scanDate = [formatter dateFromString:[scanArray lastObject]];
                NSTimeInterval time = [scanDate timeIntervalSinceNow];
                if (time < 0) {
                    ShowMsg(@"二维码信息已过期");
                    [session startRunning];
                    [timer setFireDate:[NSDate distantPast]];
                    return;
                }
                
                /*
                 非计划实操计时
                 标识符 type 教练outID 教练姓名 价格 科目 教练手机号码 终端设备号 有效时间
                 */
                if ([scanArray[1] isEqualToString:@"signIn"]) {
                    
                    if(self.type == 2){
                        [self showMsgByAlertControllerWithString:@"二维码类型错误，请扫描\"模拟计时\"二维码"];
                        return;
                    }
                    
                    order = 1;
                    dataString = [[testString componentsSeparatedByString:@"signIn;"] lastObject];
                    [self alertShowWithString:[NSString stringWithFormat:@"当前所选为%@教练，是否开始实操练习？",scanArray[3]]];
                    
                    return;
                }
                
                
                /*
                 计划实操计时
                 标识符 type 教练outID 教练姓名 学生证号 预约ID 电话号码 终端设备号 有效时间
                 */
                if ([scanArray[1] isEqualToString:@"planSignIn"]) {
                    
                    if(self.type == 2){
                        [self showMsgByAlertControllerWithString:@"二维码类型错误，请扫描\"模拟计时\"二维码"];
                        return;
                    }
                    
                    if (![scanArray[4] isEqualToString:RQ_USER_MANAGER.currentUser._id]) {
                        ShowMsg(@"当前准教学员信息与本人不符，请核对二维码");
                        [Tools playAudioWithString:@"当前准教学员信息与本人不符，请核对二维码"];
                        [session startRunning];
                        [timer setFireDate:[NSDate distantPast]];
                        return;
                    }
                    
                    
                    order = 2;
                    dataString = [[testString componentsSeparatedByString:@"planSignIn;"] lastObject];
                    
                    [self alertShowWithString:[NSString stringWithFormat:@"当前所选为%@教练，是否开始实操练习？",scanArray[3]]];
                    
                    return;
                }
                
                
                /*
                 实操结束计时
                 标识符 type 教练outID 学生身份证明 有效时间
                 */
                
                if ([scanArray[1] isEqualToString:@"signOut"] || [scanArray[1] isEqualToString:@"planSignOut"]) {
                    
                    if(self.type == 2){
                        [self showMsgByAlertControllerWithString:@"二维码类型错误，请扫描\"模拟计时\"二维码"];
                        return;
                    }
                    
                    NSDictionary *gatherTrainDic;
                    NSString *filePath = [Tools getPathWithFileName:@"gatherTrainDic.plist"];
                    if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
                        
                        gatherTrainDic = [NSMutableDictionary dictionaryWithContentsOfFile:filePath];
                    }
                    
                    if ([gatherTrainDic[@"isPlan"] isEqualToString:@"1"] && [scanArray[1] isEqualToString:@"signOut"]) {
                        ShowMsg(@"请选择正确结束方式！");
                        return;
                    }
                    if ([gatherTrainDic[@"isPlan"] isEqualToString:@"2"] && [scanArray[1] isEqualToString:@"planSignOut"]) {
                        ShowMsg(@"请选择正确结束方式！");
                        return;
                    }
                    
                    NSString  *identString = RQ_USER_MANAGER.currentUser.outId;
                    if ([scanArray[1] isEqualToString:@"planSignOut"]) {
                        identString = RQ_USER_MANAGER.currentUser._id;
                    }
                    if (![scanArray[3] isEqualToString:identString]) {
                        ShowMsg(@"当前准教学员信息与本人不符，请核对二维码");
                        [Tools playAudioWithString:@"当前准教学员信息与本人不符，请核对二维码"];
                        [session startRunning];
                        [timer setFireDate:[NSDate distantPast]];
                        return;
                    }
                    
                    order = 3;
                    if ([scanArray[1] isEqualToString:@"signOut"]) {
                        dataString = [[testString componentsSeparatedByString:@"signOut;"] lastObject];
                    }else{
                        dataString = [[testString componentsSeparatedByString:@"planSignOut;"] lastObject];
                    }
                    
                    [self alertShowWithString:[NSString stringWithFormat:@"结束实操练习？"]];
                    return;
                }
                
                /*
                 模拟开始计时
                 标识符 type 教练outID 教练名字 教练经度 教练纬度 有效时间
                 */
                
                if ([scanArray[1] isEqualToString:@"imitSignIn"]) {
                    
                    if (self.type == 1) {
                        [self showMsgByAlertControllerWithString:@"二维码类型错误，请扫描\"实操计时\"二维码"];
                        return;
                    }
                    
                    if (SP_IS_MNQisTure) {
                        ShowMsg(@"请使用模拟机设备计时");
                        [session startRunning];
                        [timer setFireDate:[NSDate distantPast]];
                        return;
                    }
                    
                    order = 4;
                    dataString = [[testString componentsSeparatedByString:@"imitSignIn;"] lastObject];
                    [self alertShowWithString:[NSString stringWithFormat:@"当前所选为%@教练，是否开始模拟练习？",scanArray[3]]];
                    return;
                }
    /*模拟设备（非app二维码）(不包含#JSDTMO#)*/
            }else if ([[scanArray firstObject] isEqualToString:@"#MNQ#"]){
                
                if (self.type == 1) {
                    [self showMsgByAlertControllerWithString:@"二维码类型错误，请扫描\"实操计时\"二维码"];
                    return;
                }
                
                /*
                 模拟开始 模拟设备打模拟学时
                 #MNQ#;序列号(devSn);动态码(dynamicCode);签到/签退类型（1签到 3签退）
                 */
                
                if (!SP_IS_MNQisTure) {
                    ShowMsg(@"暂不能使用模拟起设备");
                    [session startRunning];
                    [timer setFireDate:[NSDate distantPast]];
                    return;
                }
                
                order = 5;
                dataString = [[testString componentsSeparatedByString:@"#MNQ#;"] lastObject];
                
                NSString *showString = @"正在进行模拟计时签到，是否开始模拟练习？";
                if ([[NSString stringWithFormat:@"%@",[scanArray lastObject]] isEqualToString:@"2"]) {
                    showString = @"签退";
                }
                [self alertShowWithString:showString];
                return;
                
            }else{
                //包含#decode# 非@"#JSDTMO#" 非#MNQ#
            }
            
        }
        
/*无须我们对接的二维码（不包含#DECODE#）*/
        if (self.type == 1) {
            [self showMsgByAlertControllerWithString:@"二维码类型错误，请扫描\"实操计时\"二维码"];
        }else if(self.type == 2){
            [self showMsgByAlertControllerWithString:@"二维码类型错误，请扫描\"模拟计时\"二维码"];
        }
                
            
            //判断是否进入进某网址
//            if ([object.stringValue containsString:@".com"] || [object.stringValue containsString:@".cn"]) {
//                [[UIApplication sharedApplication] openURL:[NSURL URLWithString:object.stringValue]];
//                [self.navigationController popViewControllerAnimated:YES];
//                return;
//            }
            
            //扫码网页登录用
//            order = -1;
//            dataString = object.stringValue;
//            [self alertShowWithString:@"是否允许登录公众平台？"];
    }
}

-(void)showMsgByAlertControllerWithString:(NSString *)str {
	[RQ_SHARE_FUNCTION showAlertWithTitle:@"提示" message:str alertControllerStyle:UIAlertControllerStyleAlert cancelButtonTitle:@"重新扫描" otherButtonTitles:@[@"退出"] otherButtonStyles:nil showInWindow:NO completion:^(NSUInteger selectedOtherButtonIndex) {
		switch (selectedOtherButtonIndex) {
			case NSNotFound: {
				//取消就重新打开扫描
				[session startRunning];
				[timer setFireDate:[NSDate distantPast]];
				break;
			}
			case 0: {
				[self.navigationController popViewControllerAnimated:YES];
				break;
			}
			default:
				break;
		}
	}];
    
//    UIAlertController *alertFind = [UIAlertController alertControllerWithTitle:@"提示" message:str preferredStyle:UIAlertControllerStyleAlert];
//
//    [alertFind addAction:[UIAlertAction actionWithTitle:@"重新扫描" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
//        //取消就重新打开扫描
//        [session startRunning];
//        [timer setFireDate:[NSDate distantPast]];
//    }]];
//    [alertFind addAction:[UIAlertAction actionWithTitle:@"退出" style:UIAlertActionStyleDefault handler:^(UIAlertAction *  action) {
//        [self.navigationController popViewControllerAnimated:YES];
//    }]];
//    [self presentViewController:alertFind animated:true completion:nil];
	
}


- (void)alertShowWithString:(NSString *)string {
	[RQ_SHARE_FUNCTION showAlertWithTitle:@"温馨提示" message:string alertControllerStyle:UIAlertControllerStyleAlert cancelButtonTitle:@"取消" otherButtonTitles:@[@"确定"] otherButtonStyles:nil showInWindow:NO completion:^(NSUInteger selectedOtherButtonIndex) {
		if (selectedOtherButtonIndex == 0) {
			switch (order) {
				case -1:
				{
					[self downloadFJJP];
				}
					break;
				case 1://非计划实操计时
				{
					NSDictionary *dic = @{@"scanType":@"scPeriod",@"dataString":dataString};
					if (scanBlock) {
						scanBlock(dic);
						[self.navigationController popViewControllerAnimated:YES];
					}
				}
					break;
				case 2://计划实操计时
				{
					NSDictionary *dic = @{@"scanType":@"jhPeriod",@"dataString":dataString};
					if (scanBlock) {
						scanBlock(dic);
						[self.navigationController popViewControllerAnimated:YES];
					}
				}
					break;
				case 3://结束计时
				{
					NSDictionary *dic = @{@"scanType":@"allSignOut",@"dataString":dataString};
					if (scanBlock) {
						scanBlock(dic);
						[self.navigationController popViewControllerAnimated:YES];
					}
				}
					break;
				case 4://模拟计时开始
				{
					NSDictionary *dic = @{@"scanType":@"imPeriod",@"dataString":dataString};
					if (scanBlock) {
						scanBlock(dic);
						[self.navigationController popViewControllerAnimated:YES];
					}
				}
					break;
					
				case 5://模拟计时开始／结束
				{
					NSDictionary *dic = @{@"scanType":@"imitatePeriod",@"dataString":dataString};
					if (scanBlock) {
						scanBlock(dic);
						[self.navigationController popViewControllerAnimated:YES];
					}
				}
					break;
					
				default:
					break;
			}
		}else if (selectedOtherButtonIndex == NSNotFound) {
			//取消就重新打开扫描
			[session startRunning];
			[timer setFireDate:[NSDate distantPast]];
			return;
		}
	}];
}

//登录网页社会公众平台
-(void)downloadFJJP
{
    if (!dataString || dataString.length < 1) {
        [session startRunning];
        [timer setFireDate:[NSDate distantPast]];
        return;
    }
    //发送请求
    [LoadingView showHUD];
    NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
    NSString *account  = [ud objectForKey:@"identifyNum"];
    NSString *key      = [ud objectForKey:@"password"];
    NSString *params = [NSString stringWithFormat:@"%@;%@;%@",dataString,account,key];
    
    //NSLog(@"获取的二维码---->%@----\nparams---->%@\n---->%@",object.stringValue,params,[DES3Util encrypt:params]);
    NSString *URL = [NSString stringWithFormat:@"http://www.jppt.com.cn/gzpt/index/phoneLogin?params=%@",[DES3Util encrypt:params]];
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
    [request setURL:[NSURL URLWithString:URL]];
    [request setHTTPMethod:@"GET"];
    
	NSURLSessionDataTask *task = [[NSURLSession sharedSession] dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
		// 返回数据转为字符串
		RemoveHUD();
		NSString *dataStr = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
		
		if ([dataStr isEqualToString:@"true"]) {
			
			ShowMsg(@"登录成功");
			[self.navigationController popViewControllerAnimated:YES];
		}else{
			
			ShowMsg(@"登录失败");
			[session startRunning];
			[timer setFireDate:[NSDate distantPast]];
		}
	}];
	[task resume];
}

-(void)scanBlock:(MyBlockType)block
{
    scanBlock = block;
}

- (CGRect)rectOfInterestByScanViewRect:(CGRect)rect {
    CGFloat width = CGRectGetWidth(self.view.frame);
    CGFloat height = CGRectGetHeight(self.view.frame);
    
    CGFloat x = (height - CGRectGetHeight(rect)) / 2 / height;
    CGFloat y = (width - CGRectGetWidth(rect)) / 2 / width;
    
    CGFloat w = CGRectGetHeight(rect) / height;
    CGFloat h = CGRectGetWidth(rect) / width;
    
    return CGRectMake(x, y, w, h);
}


#pragma mark - 添加模糊效果
- (void)setOverView {
    CGFloat width = CGRectGetWidth(self.view.frame);
    CGFloat height = CGRectGetHeight(self.view.frame);
    
    CGFloat x = CGRectGetMinX(scanBackground.frame);
    CGFloat y = CGRectGetMinY(scanBackground.frame);
    CGFloat w = CGRectGetWidth(scanBackground.frame);
    CGFloat h = CGRectGetHeight(scanBackground.frame);
    
    [self creatView:CGRectMake(0, 0, width, y)];
    [self creatView:CGRectMake(0, y, x, h)];
    [self creatView:CGRectMake(0, y + h, width, height - y - h)];
    [self creatView:CGRectMake(x + w, y, width - x - w, h)];
}

- (void)creatView:(CGRect)rect {
    CGFloat alpha = 0.5;
    UIColor *backColor = [UIColor grayColor];
    UIView *view = [[UIView alloc] initWithFrame:rect];
    view.backgroundColor = backColor;
    view.alpha = alpha;
    [self.view addSubview:view];
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
}

@end