tederen_ios/smartRhino/Project/VCModel/ChatMessage/Controller/MyTDGroup/VC/NewTopicVC.m

//
//  NewTopicVC.m
//  smartRhino
//
//  Created by niuzhen on 2019/12/14.
//  Copyright © 2019 tederen. All rights reserved.
//

#import "NewTopicVC.h"
#import "LYLPhotoTailoringTool.h"
#import "FWZFileGetTool.h"
#import "FWZGetNoteBookTool.h"
#import "RichTextEditViewController.h"
#import "AddLookUpUserSecondVC.h"

@interface NewTopicVC ()<WKUIDelegate,WKNavigationDelegate,UIScrollViewDelegate,WKScriptMessageHandler>
@property (weak, nonatomic) IBOutlet UIView *NavBarV;
@property (weak, nonatomic) IBOutlet UIButton *DoneBtn;
@property (nonatomic,strong) WKWebView *webView;
@property (nonatomic,assign) CGFloat   keyBoardH;
@property (nonatomic,assign) BOOL   isShoujianren;
@property (nonatomic,assign) BOOL   isChaosongren;
@property (nonatomic,strong) NSMutableArray <SelectModel *> *chaoShongArray;
@property (nonatomic,strong) NSMutableArray <SelectModel *> *shouJianArray;
@end

@implementation NewTopicVC
+ (NewTopicVC *)initNewTopicVC{
    NewTopicVC *controller = [StoryboardManager.shared.TDGroupInfo instantiateViewControllerWithIdentifier:@"NewTopicVC"];
    return controller;
}
- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    [[IQKeyboardManager sharedManager] setEnable:YES];
}
- (void)viewDidLoad {
    [super viewDidLoad];
    self.fd_prefersNavigationBarHidden = YES;
    WS(weakSelf);
    [self.DoneBtn setAction:^{
        [weakSelf submit];
    }];

    NSURL *pathUrl = [NSURL URLWithString:@"http://192.168.0.118:8080/#/mobile/editor"];
    //    NSURL *pathUrl = [NSURL URLWithString:@"http://192.168.0.119:8080/#/mobile/topicDetails"];
    
    NSURLRequest *request = [NSURLRequest requestWithURL:pathUrl];
    [self.webView loadRequest:request];
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyBoardWillShow:) name:UIKeyboardWillShowNotification object:nil];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyBoardWillHide:) name:UIKeyboardWillHideNotification object:nil];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(recviveChaoSongRen:) name:NOTIFI_ChaoSongRen object:nil];
}

- (void)upDateAction:(NSString *)action
{
    [self.webView evaluateJavaScript:action completionHandler:^(id _Nullable data, NSError * _Nullable error) {
        NSLog(@"上传成功");
    }];
}
#pragma mark - layload
- (WKWebView *)webView
{
    if (!_webView) {
        WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc] init];
        // 实例化对象
        WKUserContentController* userContent = [[WKUserContentController alloc] init];
        [userContent addScriptMessageHandler:self name:@"chosePic"];
        [userContent addScriptMessageHandler:self name:@"toPZ"];
        [userContent addScriptMessageHandler:self name:@"toBJ"];
        [userContent addScriptMessageHandler:self name:@"toSC"];
        [userContent addScriptMessageHandler:self name:@"toWJ"];
        [userContent addScriptMessageHandler:self name:@"keyBoard"];
        [userContent addScriptMessageHandler:self name:@"approverCheckUsers"];
        [userContent addScriptMessageHandler:self name:@"carbonCopyUsers"];
        [userContent addScriptMessageHandler:self name:@"getType"];

        configuration.userContentController = userContent;
        WKPreferences *preferences = [WKPreferences new];
        preferences.javaScriptCanOpenWindowsAutomatically = YES;
        preferences.minimumFontSize = 40.0;
        configuration.preferences = preferences;
        // 初始化WKWebView
        _webView = [[WKWebView alloc]initWithFrame:CGRectZero configuration:configuration];
        // UI代理
        _webView.UIDelegate = self;
        // 导航代理
        _webView.navigationDelegate = self;
        _webView.scrollView.delegate = self;
    }
    return _webView;
}
-(NSMutableArray<SelectModel *> *)shouJianArray{
    if(!_shouJianArray){
        _shouJianArray = [[NSMutableArray alloc] init];
    }
    return _shouJianArray;
}
-(NSMutableArray<SelectModel *> *)chaoShongArray{
    if(!_chaoShongArray){
        _chaoShongArray = [[NSMutableArray alloc] init];
    }
    return _chaoShongArray;
}
#pragma mark - KeyBoard
- (void)keyBoardWillShow:(NSNotification *)note
{
    // 获取用户信息
    NSDictionary *userInfo = [NSDictionary dictionaryWithDictionary:note.userInfo];
    // 获取键盘高度
    CGRect keyBoardBounds  = [[userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
    self.keyBoardH = keyBoardBounds.size.height;
    [self.webView evaluateJavaScript:@"textFocus()" completionHandler:^(id _Nullable data, NSError * _Nullable error) {
        NSLog(@"keyShow");
    }];
}

- (void)keyBoardWillHide:(NSNotification *)note
{
    self.keyBoardH = 0.f;
    [self.webView evaluateJavaScript:@"blur()" completionHandler:^(id _Nullable data, NSError * _Nullable error) {
        NSLog(@"keyHidden");
    }];
}
#pragma mark - WKScriptMessageHandler
- (void)userContentController:(nonnull WKUserContentController *)userContentController didReceiveScriptMessage:(nonnull WKScriptMessage *)message {
    WS(weakSelf);
    NSLog(@"messageName:%@",message.name);
    if ([message.name isEqualToString:@"chosePic"]) {
        [self chatBarDidPhotoAction];
    }
    if ([message.name isEqualToString:@"toPZ"]) {
        [[LYLPhotoTailoringTool sharedTool] selectPhotoWithPhoroOrCamera:SelectPhotoWithTypePhoroOrCamera2 crop:YES showImgBlock:^(NSString *imageUrlStr) {
        } choosImgBlock:^(UIImage *image) {
            [weakSelf didSelectImage:@[image]];
        }];
    }
    if ([message.name isEqualToString:@"toBJ"]) {
        [[FWZGetNoteBookTool sharedTool] openNoteBookListChooseNoteBookBlock:^(NSMutableArray<MyNoteBookSubModel *> * _Nonnull noteArr) {
            NSLog(@"SmartBarNotes %@",noteArr);
            [weakSelf disSelectNoteBook:noteArr];
        }];
    }
    if ([message.name isEqualToString:@"toSC"]) {
        [[FWZGetNoteBookTool sharedTool] openCollectListChooseCollectBlock:^(NSMutableArray<MyFavoriteSubModel *> * _Nonnull collectArr) {
            NSLog(@"SmartBarCollection %@",collectArr);
            [weakSelf disSelectCollect:collectArr];
        }];
    }
    if ([message.name isEqualToString:@"toWJ"]) {
        [[FWZFileGetTool sharedTool] openFileWithCrop:YES showImgBlock:^(NSString * _Nonnull fileUrlStr) {
            
        } choosFileBlock:^(NSData * _Nonnull fileData, NSString * _Nonnull fileName) {
            SHOWLOADING
            [[HttpManager sharedHttpManager] HeaderUploadFileUrl:Host(Modify_UserImages_Post) parameters:@{} fileData:fileData fileKey:@"file" fileName:fileName mimeType:@"multipart/form-data" success:^(id  _Nonnull responseObject) {
                REMOVESHOW
                NSLog(@"上传成功的文件%@",responseObject);
                NSString *jsonString = [NSString stringWithFormat:@"getAndroidImg('%@','%@','%ld')",responseObject[@"AbsolutePath"],responseObject[@"FileName"],(long)CollectDataType_File];
                [weakSelf upDateAction:jsonString];
            } failure:^(NSError * _Nonnull error) {
                REMOVESHOW
            }];
        }];
    }
    if ([message.name isEqualToString:@"keyBoard"]) {
        NSString *jsonString = [NSString stringWithFormat:@"getIosKeyBorad('%f')",self.keyBoardH];
        [self.webView evaluateJavaScript:jsonString completionHandler:^(id _Nullable data, NSError * _Nullable error) {

        }];
    }
    if ([message.name isEqualToString:@"approverCheckUsers"]) {
        self.isShoujianren = YES;
        self.isChaosongren = NO;
        [self selectPeopleWithType:1];
        
    }
    if ([message.name isEqualToString:@"carbonCopyUsers"]) {
        self.isShoujianren = NO;
        self.isChaosongren = YES;
        [self selectPeopleWithType:2];
    }
    if ([message.name isEqualToString:@"getType"]) {
        NSString *jsonString = [NSString stringWithFormat:@"getType('%d','%d','%d','%@')",1,1,622,USERDEFAULTSGET(@"LOGINTOKEN")];
        [self.webView evaluateJavaScript:jsonString completionHandler:^(id _Nullable data, NSError * _Nullable error) {
            NSLog(@"data:%@",data);
            NSLog(@"error:%@",error);
        }];
    }
}
- (void)selectPeopleWithType:(NSInteger)type {
    AddLookUpUserSecondVC *vc = [[AddLookUpUserSecondVC alloc] init];
    vc.isAllSelected = YES;
    Department *defaltGroupSetion = [[Department alloc]init];
    defaltGroupSetion.Name  = @"单位通讯录";
    defaltGroupSetion.Id = 0;
    defaltGroupSetion.SourceId = 0;
    defaltGroupSetion.SourceType = 1;
    defaltGroupSetion.SourceName = @"单位通讯录";
    defaltGroupSetion.MiddleType = type;
    Department *myGroupSetion = [[Department alloc]init];
    myGroupSetion.Name  = @"自建通讯录";
    myGroupSetion.Id = 0;
    myGroupSetion.MiddleType = type;
    myGroupSetion.SourceType = 3;
    myGroupSetion.SourceId = 0;
    myGroupSetion.SourceName = @"自建通讯录";
    vc.departSourceDataArray = @[defaltGroupSetion,myGroupSetion].mutableCopy;
    vc.isDefalutPage = 1;
    vc.titleStr = @"选人";
    [self.navigationController pushViewController:vc animated:YES];
}
- (void)recviveChaoSongRen:(NSNotification *)notification{
    if (self.isShoujianren) {
        NSMutableArray <SelectModel *>* array = notification.userInfo[@"selectPeople"];
        if (array.count > 0) {
            NSLog(@"shouJianArray结果数据组%@",array);
            NSString *jsonString = [NSString stringWithFormat:@"getApproverCheckUsersList('%@')",[self arrayToJSONModel:array]];
            [self.webView evaluateJavaScript:jsonString completionHandler:^(id _Nullable data, NSError * _Nullable error) {
                NSLog(@"data:%@",data);
                NSLog(@"error:%@",error);
            }];
        }
    }
    if (self.isChaosongren) {
        NSMutableArray <SelectModel *>* array = notification.userInfo[@"selectPeople"];
        if (array.count > 0) {
            NSLog(@"chaoShongArray结果数据组%@",array);
            NSString *jsonString = [NSString stringWithFormat:@"getCarbonCopyUsersList('%@')",[self arrayToJSONModel:array]];
            [self.webView evaluateJavaScript:jsonString completionHandler:^(id _Nullable data, NSError * _Nullable error) {
                NSLog(@"data:%@",data);
                NSLog(@"error:%@",error);
            }];
        }
    }
}
#pragma mark - 选择图片
- (void)chatBarDidPhotoAction
{
    WS(weakSelf);
    [self.view endEditing:YES];
    TZImagePickerController *imagePickerVc = [[TZImagePickerController alloc] initWithMaxImagesCount:9 delegate:nil];
    [imagePickerVc setNavLeftBarButtonSettingBlock:^(UIButton *leftButton){
        leftButton.hidden = YES;
    }];
    imagePickerVc.showSelectBtn = NO;
    imagePickerVc.allowCrop = YES;
    imagePickerVc.cropRect = CGRectMake(0, (SCREEN_HEIGHT - SCREEN_WIDTH) * 0.5, SCREEN_WIDTH, SCREEN_WIDTH);
    imagePickerVc.allowTakePicture = NO;
    imagePickerVc.allowTakeVideo = NO;
    imagePickerVc.allowPickingOriginalPhoto = NO;
    imagePickerVc.allowPickingGif = NO;
    [imagePickerVc setIsStatusBarDefault:YES];
    [imagePickerVc setNaviTitleColor:[UIColor blackColor]];
    [imagePickerVc setBarItemTextColor:[UIColor blackColor]];
    [imagePickerVc setDidFinishPickingPhotosHandle:^(NSArray<UIImage *> *photos, NSArray *assets, BOOL isSelectOriginalPhoto) {
        PHAsset *asset = assets.firstObject;
        switch (asset.mediaType) {
            case PHAssetMediaTypeVideo: {
                
            } break;
            case PHAssetMediaTypeImage: {
                [weakSelf didSelectImage:photos];
            } break;
            case PHAssetMediaTypeAudio:
                break;
            case PHAssetMediaTypeUnknown:
                break;
            default: break;
        }
    }];
    [self presentViewController:imagePickerVc animated:YES completion:nil];
}
- (void)didSelectImage:(NSArray *)images
{
    NSMutableArray * array = [NSMutableArray array];
    for (UIImage * image in images) {
        NSData *data = UIImageJPEGRepresentation(image, 1);
        [array addObject:data];
    }
    WS(weakSelf);
    NSString *urlString = [[NSString alloc] initWithFormat:@"%@%@",BaseUrl,Modify_UserImages_Post];
    [[HttpManager sharedHttpManager] HeaderUploadUrl:urlString parameters:@{} pictureArray:array pictureKey:@"file" success:^(id  _Nonnull responseObject) {
        NSLog(@"%@",responseObject);
        for (NSDictionary * dict  in responseObject) {
            NSString *jsonString = [NSString stringWithFormat:@"getAndroidImg('%@','%@','%ld')",dict[@"AbsolutePath"],dict[@"FileName"],(long)CollectDataType_IMG];
            [weakSelf upDateAction:jsonString];
        }
    } failure:^(NSError * _Nonnull error) {
        
    }];
}

#pragma mark - 选择笔记
- (void)disSelectNoteBook:(NSMutableArray<MyNoteBookSubModel *>*_Nonnull )noteArr{
    for (MyNoteBookSubModel *dataModel in noteArr ) {
        if (dataModel.AttributeValue == 1) {
            NSString *jsonString = [NSString stringWithFormat:@"getAndroidNoteCollection('%ld','%@','%ld','%@')",(long)CollectDataType_Note,dataModel.Title,(long)dataModel.MiddleId,dataModel.Name];
            [self upDateAction:jsonString];
        }else{
            NSString *jsonString = [NSString stringWithFormat:@"getAndroidNoteCollection('%ld','%@','%ld','%@')",(long)CollectDataType_NoteFile,dataModel.FolderName,(long)dataModel.Id,[AppUserModel sharedAppUserModel].Name];
            [self upDateAction:jsonString];
        }
    }
}
#pragma mark - 选择收藏
- (void)disSelectCollect:(NSMutableArray<MyFavoriteSubModel *> * _Nonnull) collectArr{
    for (MyFavoriteSubModel *dataModel in collectArr ) {
        if(dataModel.AttributeValue == 1)
        {
            NSString *jsonString = [NSString stringWithFormat:@"getAndroidNoteCollection('%ld','%@','%ld','%@')",(long)[ZYCTool returnDataType:dataModel.CollectionType],dataModel.Title,(long)dataModel.CollectionDataId,dataModel.Data.Author];
            [self upDateAction:jsonString];
        }else{
            NSString *jsonString = [NSString stringWithFormat:@"getAndroidNoteCollection('%ld','%@','%ld','%@')",(long)CollectDataType_CollectFile,dataModel.FolderName,(long)dataModel.Id,[AppUserModel sharedAppUserModel].Name];
            [self upDateAction:jsonString];
        }
    }
}
#pragma mark - WKScriptMessageHandler
-(NSString *)convertToJson:(NSDictionary *)dict
{
    NSError *error;
    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict options:NSJSONWritingPrettyPrinted error:&error];
    NSString *jsonString;
    if (!jsonData) {
        NSLog(@"%@",error);
    }else{
        jsonString = [[NSString alloc]initWithData:jsonData encoding:NSUTF8StringEncoding];
    }
    NSMutableString *mutStr = [NSMutableString stringWithString:jsonString];
    NSRange range = {0,jsonString.length};
    //去掉字符串中的空格
    [mutStr replaceOccurrencesOfString:@" " withString:@"" options:NSLiteralSearch range:range];
    NSRange range2 = {0,mutStr.length};
    //去掉字符串中的换行符
    [mutStr replaceOccurrencesOfString:@"\n" withString:@"" options:NSLiteralSearch range:range2];
    return mutStr;
}
#pragma mark - WKUIDelegete
- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(nonnull NSString *)message initiatedByFrame:(nonnull WKFrameInfo *)frame completionHandler:(nonnull void (^)(void))completionHandler
{
    NSLog(@"%@",message);
    completionHandler();
}
- (void)webView:(WKWebView *)webView runJavaScriptConfirmPanelWithMessage:(nonnull NSString *)message initiatedByFrame:(nonnull WKFrameInfo *)frame completionHandler:(nonnull void (^)(BOOL))completionHandler
{
    NSLog(@"223123");
    completionHandler(YES);
}
- (void)webView:(WKWebView *)webView runJavaScriptTextInputPanelWithPrompt:(nonnull NSString *)prompt defaultText:(nullable NSString *)defaultText initiatedByFrame:(nonnull WKFrameInfo *)frame completionHandler:(nonnull void (^)(NSString * _Nullable))completionHandler
{
    NSLog(@"323123");
    completionHandler(@"111");
}
#pragma mark - 提交富文本
- (void)submit
{
    NSString *jsonString = [NSString stringWithFormat:@"getEditorText()"];
    [self.webView evaluateJavaScript:jsonString completionHandler:^(id _Nullable data, NSError * _Nullable error) {
        NSLog(@"submit:%@",data);
        NSDictionary * dict = (NSDictionary *)data;
        switch (self.type) {
            case CreateNoticeType:
            {
                [self submitNotice:dict];
            }
                break;
            case CreateTopicType:
            {
                [self submitTopic:dict];
            }
                break;
            default:
                break;
        }
    }];
}
#pragma mark - 提交通知
- (void)submitNotice:(NSDictionary *)dict
{
    NSString * html = dict[@"html"];
    NSArray * jsonArray = dict[@"json"];
    
    NSMutableDictionary * paraDict = [NSMutableDictionary dictionary];
    [paraDict setObject:dict[@"Title"] forKey:@"Title"];
    [paraDict setObject:@([AppUserModel sharedAppUserModel].Id) forKey:@"UserId"];
    [paraDict setValue:self.isDraft ? @(2) : @(1) forKey:@"NoticeType"];
    if (self.isFolder) {
        [paraDict setValue:@(self.FolderId) forKey:@"FolderId"];
    }
    [paraDict setObject:html forKey:@"HtmlContent"];
    [paraDict setObject:dict[@"AddresseeUserMiddles"] forKey:@"AddresseeUserMiddles"];
    [paraDict setObject:dict[@"CcUserMiddles"] forKey:@"CcUserMiddles"];
    [paraDict setObject:[self arrayToJSONString:jsonArray] forKey:@"Content"];
    if (self.isEdit) {
        [paraDict setObject:@(self.Id) forKey:@"id"];
        [self sentChangeNotice:paraDict withNoticeType:self.isDraft ? 2 : 1];
    }else{
        [self sentNoticeRequeast:paraDict withNoticeType:self.isDraft ? 2 : 1];
    }
}
- (void)sentChangeNotice:(NSMutableDictionary *)dic withNoticeType:(NSInteger)NoticeType{
    WS(weakSelf);
    [[HttpManager sharedHttpManager] POSTUrl:Host(API_NOTICE_EDIT) parameters:dic responseStyle:DATA success:^(id  _Nonnull responseObject) {
       REMOVESHOW
        if(NoticeType == 1){
            SHOWSUCCESS(@"通知已经发送");
        }else{
            SHOWSUCCESS(@"通知已经存放草稿箱");
        }
        [weakSelf.navigationController popViewControllerAnimated:YES];
    } failure:^(NSError * _Nonnull error) {
        SHOWERROR([ZYCTool handerResultData:error]);
    }];
}

- (void)sentNoticeRequeast:(NSMutableDictionary *)dic withNoticeType:(NSInteger)NoticeType{
    WS(weakSelf);
    [[HttpManager sharedHttpManager] PUTUrl:Host(API_NOTICE_ADD) parameters:dic success:^(id  _Nonnull responseObject) {
       REMOVESHOW
        if(NoticeType == 1){
            SHOWSUCCESS(@"通知已经发送");
        }else{
            SHOWSUCCESS(@"通知已经存放草稿箱");
        }
        [weakSelf.navigationController popViewControllerAnimated:YES];
    } failure:^(NSError * _Nonnull error) {
        SHOWERROR([ZYCTool handerResultData:error]);
    }];
}
#pragma mark - 提交话题
- (void)submitTopic:(NSDictionary *)dict
{
    NSString * html = dict[@"html"];
    NSArray * jsonArray = dict[@"json"];
    
    NSMutableDictionary * paraDict = [NSMutableDictionary dictionary];
    [paraDict setObject:dict[@"Title"] forKey:@"Title"];
    [paraDict setObject:@([AppUserModel sharedAppUserModel].Id) forKey:@"UserId"];
    [paraDict setObject:@(0) forKey:@"FolderId"];
    [paraDict setObject:@[] forKey:@"TopicAddresseeUserIds"];
    [paraDict setObject:html forKey:@"HtmlContent"];
    [paraDict setObject:[self arrayToJSONString:jsonArray] forKey:@"Content"];
    SHOWLOADING
    [[HttpManager sharedHttpManager] POSTUrl:Host(APP_Topic_Add) parameters:paraDict responseStyle:DATA success:^(id  _Nonnull responseObject) {
        NSLog(@"%@",responseObject);
        REMOVESHOW
        SHOWSUCCESS(@"创建成功");
    } failure:^(NSError * _Nonnull error) {
        REMOVESHOW
        SHOWERROR([ZYCTool handerResultData:error])
    }];
}
- (NSString *)arrayToJSONModel:(NSArray *)array
{
    NSMutableArray * mArray = [NSMutableArray array];
    for (SelectModel * model in array) {
        NSDictionary * dict = [model modelToJSONObject];
        [mArray addObject:@{@"SourceType":dict[@"SourceType"],@"SourceId":dict[@"SourceId"],@"SourceName":dict[@"SourceName"],@"MiddleType":@(self.type)}];
    }
    return [self arrayToJSONString:mArray];
}
- (NSString *)arrayToJSONString:(NSArray *)array
{
    NSError *error = nil;
    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:array options:NSJSONWritingPrettyPrinted error:&error];
    NSString *jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
    NSMutableString *mutStr = [NSMutableString stringWithString:jsonString];
    NSRange range = {0,jsonString.length};
    //去掉字符串中的空格
    [mutStr replaceOccurrencesOfString:@" " withString:@"" options:NSLiteralSearch range:range];
    NSRange range2 = {0,mutStr.length};
    //去掉字符串中的换行符
    [mutStr replaceOccurrencesOfString:@"\n" withString:@"" options:NSLiteralSearch range:range2];
    return mutStr;
}
- (void)dealloc {
    WKUserContentController *userCC = self.webView.configuration.userContentController;
    [userCC removeScriptMessageHandlerForName:@"chosePic"];
    [userCC removeScriptMessageHandlerForName:@"toPZ"];
    [userCC removeScriptMessageHandlerForName:@"toBJ"];
    [userCC removeScriptMessageHandlerForName:@"toSC"];
    [userCC removeScriptMessageHandlerForName:@"toWJ"];
    [userCC removeScriptMessageHandlerForName:@"keyBoard"];
    [userCC removeScriptMessageHandlerForName:@"getType"];
    [userCC removeScriptMessageHandlerForName:@"approverCheckUsers"];
    [userCC removeScriptMessageHandlerForName:@"carbonCopyUsers"];
    [[NSNotificationCenter defaultCenter] removeObserver:self];
    [self.webView stopLoading];
    self.webView.UIDelegate = nil;
    self.webView.navigationDelegate = nil;
    self.webView.scrollView.delegate = nil;
    [self.webView removeFromSuperview];
}
- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    WKWebsiteDataStore *dateStore = [WKWebsiteDataStore defaultDataStore];
    [dateStore fetchDataRecordsOfTypes:[WKWebsiteDataStore allWebsiteDataTypes]
                     completionHandler:^(NSArray * __nonnull records) {
        for (WKWebsiteDataRecord *record in records)
        {
            [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:record.dataTypes
                                                      forDataRecords:@[record]
                                                   completionHandler:^{
                NSLog(@"Cookies for %@ deleted successfully",record.displayName);
            }];
        }
    }];
}
@end