//
//  AccompanyDetailViewController.m
//  KulexiuForTeacher
//
//  Created by 王智 on 2022/4/6.
//

#import "AccompanyDetailViewController.h"
#import "AccompanyNavView.h"
#import "AccompanyAlertView.h"
#import "AccompanyCourseInfoCell.h"
#import "AccompanyEvaluateCell.h"
#import "AccompanyStudentEvaCell.h"
#import "AccompanyArrangeCell.h"
#import "AccompanyHomeworkCell.h"
#import "AccompanyRemarkCell.h"
#import "HomeworkDetailModel.h"
#import "EvaluateDetailModel.h"
#import "AccompanyDetailBottomView.h"
#import "KSChatConversationViewController.h"
#import <WMPlayer.h>
#import <RecordCheckManager.h>
#import "KSPremissionAlert.h"
#import "OnlineClassManager.h"

@interface AccompanyDetailViewController ()<UITableViewDelegate,UITableViewDataSource,WMPlayerDelegate>
{
    WMPlayer *_wmPlayer;
    CGRect _playerFrame;
}
@property (nonatomic, strong) UIView *bgView;

@property (nonatomic, assign) BOOL isRatation;

@property (nonatomic, strong) AccompanyNavView *navView;

@property (nonatomic, strong) UITableView *tableView;

@property (nonatomic, strong) HomeworkDetailModel *homeworkModel;

@property (nonatomic, strong) EvaluateDetailModel *evaluateModel;

@property (nonatomic, strong) AccompanyDetailBottomView *bottomView;

@property (nonatomic, strong) AccompanyAlertView *alertView;

@property (nonatomic, strong) NSMutableArray *fileArray;

@property (nonatomic, strong) OnlineClassManager *classManager;

@end

@implementation AccompanyDetailViewController

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

- (void)requestCourseInfoMessage {
    [self requestHomeworkMessage];
    [self requestEvaluateMessage];
    [self requestRoomConfig];
}

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

- (void)requestRoomConfig {
    [KSNetworkingManager selectRoomConfigRequest:KS_GET success:^(NSDictionary * _Nonnull dic) {
        if ([dic ks_integerValueForKey:@"code"] == 200 && [dic ks_boolValueForKey:@"status"]) {
            NSDictionary *result = [dic ks_dictionaryValueForKey:@"data"];
            self.joinRoomBeforeTime = [result ks_integerValueForKey:@"practiceStartTime"];
            self.quitRomeEndTime = [result ks_integerValueForKey:@"practiceEndTime"];
        }
        else {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:MESSAGEKEY];
        }
    } faliure:^(NSError * _Nonnull error) {
        
    }];
}

- (void)requestHomeworkMessage {
    [KSNetworkingManager homeworkDetailRequest:KS_GET courseId:self.courseId studentId:self.studentId success:^(NSDictionary * _Nonnull dic) {
        if ([dic ks_integerValueForKey:@"code"] == 200 && [dic ks_boolValueForKey:@"status"]) {
            self.homeworkModel = [[HomeworkDetailModel alloc] initWithDictionary:[dic ks_dictionaryValueForKey:@"data"]];
            if (self.homeworkModel.submitHomework == 1) {
                if (![NSString isEmptyString:self.homeworkModel.studentAttachments]) {
                    self.fileArray = [NSMutableArray arrayWithArray:[self.homeworkModel.studentAttachments componentsSeparatedByString:@","]];
                }
                else {
                    self.fileArray = [NSMutableArray array];
                }
            }
            else {
                self.fileArray = [NSMutableArray array];
            }
        }
        else {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:MESSAGEKEY];
        }
        [self evaluateViewDisplay];
        [self.tableView reloadData];
    } faliure:^(NSError * _Nonnull error) {
        
    }];
}

- (void)requestEvaluateMessage {
    [KSNetworkingManager selectRepliedRequest:KS_POST courseGroupId:self.courseGroupId courseScheduleId:self.courseId studentId:self.studentId success:^(NSDictionary * _Nonnull dic) {
        if ([dic ks_integerValueForKey:@"code"] == 200 && [dic ks_boolValueForKey:@"status"]) {
            self.evaluateModel = [[EvaluateDetailModel alloc] initWithDictionary:[dic ks_dictionaryValueForKey:@"data"]];
        }
        else {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:MESSAGEKEY];
        }
        [self.tableView reloadData];
    } faliure:^(NSError * _Nonnull error) {
        
    }];
}

- (void)configUI {
    [self.scrollView removeFromSuperview];
    [self.view addSubview:self.navView];
    CGFloat height = [self.navView getViewHeight];
    [self.navView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.top.mas_equalTo(self.view);
        make.height.mas_equalTo(height);
    }];
    [self.view addSubview:self.tableView];
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.mas_equalTo(self.view);
        make.top.mas_equalTo(self.view.mas_top).offset(kNaviBarHeight);
        make.bottom.mas_equalTo(self.view.mas_bottom).offset(-iPhoneXSafeBottomMargin);
    }];
}

- (void)evaluateViewDisplay {
    if ([self.homeworkModel.courseStatus isEqualToString:@"COMPLETE"]) {
        self.tableView.tableFooterView = [UIView new];
    }
    else {
        self.tableView.tableFooterView = self.bottomView;
        self.bottomView.sureButton.userInteractionEnabled = YES;
        [self.bottomView.sureButton setTitle:@"进入教室" forState:UIControlStateNormal];
        [self.bottomView.sureButton setBackgroundColor:THEMECOLOR];
        [self.bottomView.sureButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    }
}

- (void)evaluateWithStatusLabel:(UILabel *)statusLabel {
    if ([self.homeworkModel.courseStatus isEqualToString:@"COMPLETE"]) {
        statusLabel.text = @"已结束";
        statusLabel.textColor = HexRGB(0x999999);
    }
    else if ([self.homeworkModel.courseStatus isEqualToString:@"ING"]) {
        statusLabel.text = @"进行中";
        statusLabel.textColor = THEMECOLOR;
    }
    else {
        statusLabel.text = @"未开始";
        statusLabel.textColor = HexRGB(0xff802c);
    }
}


#pragma mark --- table data source
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return 6;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.row == 0) {
        AccompanyCourseInfoCell *cell = [tableView dequeueReusableCellWithIdentifier:@"AccompanyCourseInfoCell"];
        [self evaluateWithStatusLabel:cell.statusLabel];
        [cell configWithStartTime:self.homeworkModel.startTime endTime:self.homeworkModel.endTime studentAvatar:self.homeworkModel.studentAvatar studentName:self.homeworkModel.studentName studentId:self.homeworkModel.studentId studentSubject:self.homeworkModel.subjectName];
        cell.hideChatButton = NO;
        MJWeakSelf;
        [cell chatCalkback:^{
            [weakSelf chatAction];
        }];
        
        return cell;
    }
    else if (indexPath.row == 1) {
        AccompanyEvaluateCell *cell = [tableView dequeueReusableCellWithIdentifier:@"AccompanyEvaluateCell"];
        NSString *message = self.evaluateModel.teacherReplied;
        BOOL hasEvaluate = [NSString isEmptyString:self.evaluateModel.teacherReplied] ? NO : YES;
        MJWeakSelf;
        [cell configWithEvaluateMessage:message hasEvaluate:hasEvaluate callback:^{
            [weakSelf evaluateCourse];
        }];
        return cell;
    }
    else if (indexPath.row == 2) {
        AccompanyStudentEvaCell *cell = [tableView dequeueReusableCellWithIdentifier:@"AccompanyStudentEvaCell"];
        NSString *message = self.evaluateModel.studentReplied;
        BOOL hasEvaluate = [NSString isEmptyString:self.evaluateModel.studentReplied] ? NO : YES;
        [cell configWithEvaluateMessage:message starNum:self.evaluateModel.score hasEvaluate:hasEvaluate];
        return cell;
    }
    else if (indexPath.row == 3) {
        AccompanyArrangeCell *cell = [tableView dequeueReusableCellWithIdentifier:@"AccompanyArrangeCell"];
        BOOL hasArrange = self.homeworkModel.decorateHomework == 1 ? YES : NO;
        MJWeakSelf;
        [cell configWithHomeworkContent:self.homeworkModel.content hasArrangeHomework:hasArrange callback:^{
            [weakSelf arrangeHomework];
        }];
        return cell;
    }
    else if (indexPath.row == 4) {
        BOOL hasSubmitHomework = self.homeworkModel.submitHomework == 1 ? YES : NO;
        BOOL isExpired = self.homeworkModel.homeworkExpire == 1 ? YES : NO;
        AccompanyHomeworkCell *cell = [tableView dequeueReusableCellWithIdentifier:@"AccompanyHomeworkCell"];
        MJWeakSelf;
        [cell configWithAttachmentArray:self.fileArray hasSubmit:hasSubmitHomework isExpired:isExpired callback:^(NSInteger viewIndex) {
            [weakSelf playVideoIndex:viewIndex];
        }];
        return cell;
    }
    else {
        AccompanyRemarkCell *cell = [tableView dequeueReusableCellWithIdentifier:@"AccompanyRemarkCell"];
        BOOL hasEvaluate = self.homeworkModel.reviewHomework == 1? YES : NO;
        MJWeakSelf;
        [cell configWithRemarkMessage:self.homeworkModel.teacherReplied hasEvaluate:hasEvaluate callback:^{
            [weakSelf evaluateHomework];
        }];
        return cell;
    }
}

- (void)chatAction {
    if (self.homeworkModel && ![NSString isEmptyString:self.homeworkModel.imUserId]) {
        TUIChatConversationModel *model = [[TUIChatConversationModel alloc] init];
        model.userID = self.homeworkModel.imUserId;
        KSChatConversationViewController *ctrl = [[KSChatConversationViewController alloc] init];
        ctrl.conversation = model;
        [self.navigationController pushViewController:ctrl animated:YES];
    }
}

- (void)evaluateCourse {
    if (![self.homeworkModel.courseStatus isEqualToString:@"COMPLETE"]) {
        [LOADING_MANAGER MBShowAUTOHidingInWindow:@"课程结束之后才可以评价哦～"];
        return;
    }
    self.alertView = [AccompanyAlertView shareInstance];
    self.alertView.alertTitle.text = @"评价学员";
    self.alertView.tipsLabel.text = @"请输入您对本次课程学员表现的评价";
    self.alertView.frame = CGRectMake(0, 0, kScreenWidth, kScreenHeight);
    [self.alertView showInView:[UIApplication sharedApplication].keyWindow showStarView:NO];
    MJWeakSelf;
    [self.alertView sureCallback:^(NSString * _Nonnull content, NSInteger starNum) {
        [weakSelf evaluateAction:content];
    }];
}

- (void)evaluateAction:(NSString *)content {
    if ([NSString isEmptyString:content]) {
        [LOADING_MANAGER MBShowAUTOHidingInWindow:@"请输入评价内容"];
        return;
    }
    [LOADING_MANAGER showHUD];
    [KSNetworkingManager teacherCourseRepliedRequest:KS_POST courseScheduleId:self.courseId courseGroupId:self.courseGroupId studentId:self.studentId teacherReplied:content success:^(NSDictionary * _Nonnull dic) {
        [LOADING_MANAGER removeHUD];
        if ([dic ks_integerValueForKey:@"code"] == 200 && [dic ks_boolValueForKey:@"status"]) {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:@"评价成功"];
            [self requestCourseInfoMessage];
        }
        else {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:MESSAGEKEY];
        }
    } faliure:^(NSError * _Nonnull error) {
        [LOADING_MANAGER removeHUD];
    }];
}

- (void)arrangeHomework {
    if (![self.homeworkModel.courseStatus isEqualToString:@"COMPLETE"]) {
        [LOADING_MANAGER MBShowAUTOHidingInWindow:@"课程结束之后才可以布置作业哦～"];
        return;
    }
    self.alertView = [AccompanyAlertView shareInstance];
    self.alertView.alertTitle.text = @"布置作业";
    self.alertView.tipsLabel.text = @"请输入本次课程作业内容";
    self.alertView.frame = CGRectMake(0, 0, kScreenWidth, kScreenHeight);
    [self.alertView showInView:[UIApplication sharedApplication].keyWindow showStarView:NO];
    MJWeakSelf;
    [self.alertView sureCallback:^(NSString * _Nonnull content, NSInteger starNum) {
        [weakSelf arrangeAction:content];
    }];
}

- (void)arrangeAction:(NSString *)homeworkContent {
    [LOADING_MANAGER showHUD];
    [KSNetworkingManager homeworkDecorateRequest:KS_POST content:homeworkContent courseScheduleId:self.courseId success:^(NSDictionary * _Nonnull dic) {
        [LOADING_MANAGER removeHUD];
        if ([dic ks_integerValueForKey:@"code"] == 200 && [dic ks_boolValueForKey:@"status"]) {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:@"布置成功"];
            [self requestCourseInfoMessage];
        }
        else {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:MESSAGEKEY];
        }
    } faliure:^(NSError * _Nonnull error) {
        [LOADING_MANAGER removeHUD];
    }];
}

// 评价作业
- (void)evaluateHomework {
    if (self.homeworkModel.decorateHomework == 0) {
        [LOADING_MANAGER MBShowAUTOHidingInWindow:@"您还未布置作业"];
        return;
    }
    else if (self.homeworkModel.submitHomework == 0) {
        [LOADING_MANAGER MBShowAUTOHidingInWindow:@"学生还未提交作业"];
        return;
    }
    self.alertView = [AccompanyAlertView shareInstance];
    self.alertView.alertTitle.text = @"作业点评";
    self.alertView.tipsLabel.text = @"请输入您对本次作业的点评";
    self.alertView.frame = CGRectMake(0, 0, kScreenWidth, kScreenHeight);
    [self.alertView showInView:[UIApplication sharedApplication].keyWindow showStarView:NO];
    MJWeakSelf;
    [self.alertView sureCallback:^(NSString * _Nonnull content, NSInteger starNum) {
        [weakSelf commentAction:content];
    }];
}

- (void)commentAction:(NSString *)commentMessage {
    [LOADING_MANAGER showHUD];
    [KSNetworkingManager homeworkReviewRequest:KS_POST courseScheduleId:self.courseId studentId:self.studentId review:commentMessage success:^(NSDictionary * _Nonnull dic) {
        [LOADING_MANAGER removeHUD];
        if ([dic ks_integerValueForKey:@"code"] == 200 && [dic ks_boolValueForKey:@"status"]) {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:@"点评成功"];
            [self requestCourseInfoMessage];
        }
        else {
            [LOADING_MANAGER MBShowAUTOHidingInWindow:MESSAGEKEY];
        }
    } faliure:^(NSError * _Nonnull error) {
        [LOADING_MANAGER removeHUD];
    }];
}


- (void)playVideoIndex:(NSInteger)index {
    if (self.fileArray.count > index) {
        NSString *fileUrl = self.fileArray[index];
        [self playVideoWithUrl:fileUrl];
    }
}

#pragma mark ------ WMPlayer
- (void)playVideoWithUrl:(NSString *)fileUrl {
    fileUrl = [fileUrl getUrlEndcodeString];
    _playerFrame = CGRectMake(0, iPhoneXSafeTopMargin, kScreenWidth, kScreenHeight - iPhoneXSafeTopMargin - iPhoneXSafeBottomMargin);
    _wmPlayer = [[WMPlayer alloc] initWithFrame:_playerFrame];
    WMPlayerModel *playModel = [[WMPlayerModel alloc] init];
    playModel.videoURL = [NSURL URLWithString:fileUrl];
    _wmPlayer.playerModel = playModel;
    _wmPlayer.delegate = self;
    _wmPlayer.tintColor = THEMECOLOR;
    _bgView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth, kScreenHeight)];
    _bgView.backgroundColor = [UIColor blackColor];
    [[UIApplication sharedApplication].keyWindow addSubview:_bgView];
    [[UIApplication sharedApplication].keyWindow addSubview:_wmPlayer];
    [[UIApplication sharedApplication].keyWindow bringSubviewToFront:_wmPlayer];
    
    [_wmPlayer play];
}

- (void)wmplayer:(WMPlayer *)wmplayer clickedCloseButton:(UIButton *)backBtn {
    [wmplayer removePlayer];
    [_bgView removeFromSuperview];
    [self setNeedsStatusBarAppearanceUpdate];
}

- (void)wmplayer:(WMPlayer *)wmplayer clickedFullScreenButton:(UIButton *)fullScreenBtn {
    self.isRatation = !self.isRatation;
    
    if (self.isRatation) {
        [wmplayer removeFromSuperview];
        [UIView animateWithDuration:1.0f animations:^{
            wmplayer.transform = CGAffineTransformMakeRotation(M_PI_2);
            
        } completion:^(BOOL finished) {
            wmplayer.frame = CGRectMake(0, iPhoneXSafeTopMargin, kScreenWidth, kScreenHeight - iPhoneXSafeTopMargin - iPhoneXSafeBottomMargin);
            [[UIApplication sharedApplication].keyWindow addSubview:wmplayer];
            [[UIApplication sharedApplication].keyWindow bringSubviewToFront:wmplayer];
        }];
    }
    else {
        [wmplayer removeFromSuperview];
        
        [UIView animateWithDuration:1.0f animations:^{
            //        复原
            wmplayer.transform = CGAffineTransformIdentity;
            
        } completion:^(BOOL finished) {
            wmplayer.frame = CGRectMake(0, iPhoneXSafeTopMargin, kScreenWidth, kScreenHeight - iPhoneXSafeTopMargin - iPhoneXSafeBottomMargin);
            [[UIApplication sharedApplication].keyWindow addSubview:wmplayer];
            [[UIApplication sharedApplication].keyWindow bringSubviewToFront:wmplayer];
        }];
    }
}

#pragma mark --- lazying

- (OnlineClassManager *)classManager {
    if (!_classManager) {
        _classManager = [[OnlineClassManager alloc] init];
    }
    return _classManager;
}

- (UITableView *)tableView {
    if (!_tableView) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
        _tableView.showsVerticalScrollIndicator = NO;
        _tableView.showsHorizontalScrollIndicator = NO;
        _tableView.backgroundColor = [UIColor clearColor];
        _tableView.rowHeight = UITableViewAutomaticDimension;
        [_tableView registerNib:[UINib nibWithNibName:@"AccompanyCourseInfoCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"AccompanyCourseInfoCell"];
        [_tableView registerNib:[UINib nibWithNibName:@"AccompanyEvaluateCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"AccompanyEvaluateCell"];
        [_tableView registerNib:[UINib nibWithNibName:@"AccompanyStudentEvaCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"AccompanyStudentEvaCell"];
        [_tableView registerNib:[UINib nibWithNibName:@"AccompanyArrangeCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"AccompanyArrangeCell"];
        [_tableView registerNib:[UINib nibWithNibName:@"AccompanyHomeworkCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"AccompanyHomeworkCell"];
        [_tableView registerNib:[UINib nibWithNibName:@"AccompanyRemarkCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"AccompanyRemarkCell"];
        _tableView.estimatedRowHeight = 136.0f;
        self.bottomView.frame = CGRectMake(0, 0, kScreenWidth, 70);
        _tableView.tableFooterView = self.bottomView;
    }
    return _tableView;
}

- (AccompanyNavView *)navView {
    if (!_navView) {
        _navView = [AccompanyNavView shareInstance];
        MJWeakSelf;
        [_navView navCallback:^{
            [weakSelf backAction];
        }];
    }
    return _navView;
}

- (AccompanyDetailBottomView *)bottomView {
    if (!_bottomView) {
        _bottomView = [AccompanyDetailBottomView shareInstance];
        MJWeakSelf;
        [_bottomView joinroomCallback:^{
            [weakSelf tryJoinRoom];
        }];
    }
    return _bottomView;
}

- (void)tryJoinRoom {
    
    NSDateFormatter *dateFormatter = [NSObject getDateformatter];
    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    NSDate *beginDate = [dateFormatter dateFromString:self.homeworkModel.startTime];
    NSDate *endDate = [dateFormatter dateFromString:self.homeworkModel.endTime];
    NSDate *currentDate = [NSDate date];
    NSTimeInterval beginTimeInterval = [beginDate timeIntervalSinceDate:currentDate];
    NSTimeInterval endTimeInterval = [currentDate timeIntervalSinceDate:endDate];
    if (beginTimeInterval <= self.joinRoomBeforeTime * 60 && endTimeInterval < 0) {
        [self joinClassRoom];
    }
    else if (endTimeInterval > 0) {
        [LOADING_MANAGER MBShowAUTOHidingInWindow:@"该课程已结束"];
    }
    else {
        NSString *tipsString = [NSString stringWithFormat:@"课程还未开始，请在上课前%zd分钟进入", self.joinRoomBeforeTime];
        [LOADING_MANAGER MBShowAUTOHidingInWindow:tipsString];
    }
}

// 加入房间
- (void)joinClassRoom {
    
    // 加入房间前判断摄像头和麦克风逻辑
    [RecordCheckManager checkCameraPremissionAvaiableCallback:^(PREMISSIONTYPE type) {
        [self afterCheckCameraCheckMic:type];
    }];
}

- (void)afterCheckCameraCheckMic:(PREMISSIONTYPE)cameraType {
    [RecordCheckManager checkMicPermissionAvaiableCallback:^(PREMISSIONTYPE type) {
        if (type == PREMISSIONTYPE_YES && cameraType == PREMISSIONTYPE_YES) {
            // 判断是否进行课前检测
            [self.classManager joinRoomWithId:self.courseId subjectName:self.homeworkModel.subjectName classEndTime:self.homeworkModel.endTime inViewController:self];
        }
        else {
            NSString *content = @"";
            CHECKDEVICETYPE checkType = CHECKDEVICETYPE_BOTH;
            if (cameraType == PREMISSIONTYPE_NO && type == PREMISSIONTYPE_NO) {
                content = @"请开启相机和麦克风访问权限";
                checkType = CHECKDEVICETYPE_BOTH;
            }
            else if (cameraType == PREMISSIONTYPE_NO && type == PREMISSIONTYPE_YES) {
                content =  @"请开启相机访问权限";
                checkType = CHECKDEVICETYPE_CAMREA;
            }
            else if (cameraType == PREMISSIONTYPE_YES && type == PREMISSIONTYPE_NO) {
                content = @"请开启麦克风访问权限";
                checkType = CHECKDEVICETYPE_MIC;
            }
            [self showAlertWithMessage:content type:checkType];
        }
    }];
    
}

- (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]];
    }
}
/*
#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