//
//  BJWebVC.m
//  buymore
//
//  Created by yuebin on 2020/12/28.
//  Copyright © 2020 JLC. All rights reserved.
//

#import "BJWebVC.h"
#import <WebKit/WebKit.h>
//#import <JavaScriptCore/JavaScriptCore.h>
//#import "WKWebViewJavascriptBridge.h"
//#import <Contacts/Contacts.h>
//#import <ContactsUI/ContactsUI.h>

@interface BJWebVC () <WKNavigationDelegate, WKScriptMessageHandler, WKUIDelegate>
@property (strong, nonatomic) WKWebView *webView;
@property (nonatomic, strong) UIView *progressView;
@property (nonatomic,strong) UIActivityIndicatorView *indicatorView;
@property (nonatomic, assign) BOOL havePushLogin;
@property (nonatomic, assign) BOOL canAddJs;
//@property (strong, nonatomic) WKWebViewJavascriptBridge *webViewBridge;

@property (copy, nonatomic) NSString *fixWebUrl;    //拼接通用参数之后网址链接

@property (strong, nonatomic) NSDictionary *jsPassDict; //兼容旧网页使用，js传的参数


@end

@implementation BJWebVC

#pragma mark - view

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    self.navigationController.navigationBar.hidden = YES;
    
    BlackContentStatusBar
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    
//    self.isUseWebPageTitle = YES;
    [self addJsMethod];
    [self addObserver];
}

- (void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];
    
    [self removeJsMethod];
    [self removeObserve];
}


- (void)viewDidLoad {
    [super viewDidLoad];
    _canAddJs = YES;
    
    [self initNavBar];
    [self initSpecialNavBtn];
    [self initWebView];
    [self addProgressView];
    [self loadRequest];
    [self registerNativeFunctions];
    
//    [self performSelector:@selector(callJsAfterUUpay) afterDelay:6];
}

- (void)initNavBar {
    self.view.backgroundColor = UIColor.whiteColor;
    
    __weak typeof(self) weakSelf = self;
    self.bm_navView = [[CustomNavigationView alloc] initWithFrame:CGRectMake(0, 0, ScreenWidth, yb_NavigationBar_H)];
    [self.bm_navView cus_setNavShow:0];
    [self.bm_navView cus_setNavTitle:C_string(_webName)];
    
    UIButton *closeBtn = self.bm_navView.left1Btn;
    [closeBtn setTitle:@"" forState:UIControlStateNormal];
    [closeBtn setImage:ImageNamed(@"BM_host_nav_btn_close") forState:UIControlStateNormal];
    
    self.bm_navView.handleGuanBiBlock = ^{
        [weakSelf closeWeb:nil];
    };
    self.bm_navView.handleBackBlock = ^{
        [weakSelf backWeb:nil];
    };
    
    self.bm_navView.hidden = _useH5NavBar>0;
}

// 使用自定义导航栏时顶部的
- (void)initSpecialNavBtn {
    if (_useH5NavBar != 0) {
        return;
    }
    
    __weak typeof(self) weakSelf = self;
    if ([_webUrl containsString:@"/help_center"] || [_webUrl containsString:@"index/task/task_bank"]) {
        //帮助中心需要右上角的分享按钮
        UIButton *shareBtn = self.bm_navView.right0Btn;
        shareBtn.hidden = NO;
        [shareBtn setTitle:@"" forState:UIControlStateNormal];
        [shareBtn setImage:ImageNamed(@"BM_Tools_nav_btn_share") forState:UIControlStateNormal];
        self.bm_navView.handleRight0Block = ^{
            [weakSelf shareBtnClick];
        };
    }
}

- (void)initWebView {
    
    WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc] init];
    configuration.userContentController = [[WKUserContentController alloc] init];
    configuration.preferences = [[WKPreferences alloc] init];
    configuration.preferences.minimumFontSize = 10;
    configuration.preferences.javaScriptEnabled = YES;
    configuration.preferences.javaScriptCanOpenWindowsAutomatically = YES;
    configuration.allowsInlineMediaPlayback = YES;              //允许在线播放
    configuration.selectionGranularity = YES;                   //允许可以与网页交互，选择视图
    configuration.suppressesIncrementalRendering = YES;         //支持记忆读取
    
//    if (GVUSER.isLogin) {
//        WKUserScript *cookieScript = [[WKUserScript alloc] initWithSource:[NSString stringWithFormat:@"document.cookie=\'%@=%@;domain=%@\';",@"uid", GVUSER.uid,@"http://www.eqidian.net"] injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:NO];
//        [configuration.userContentController addUserScript:cookieScript];
//
//        WKUserScript *cookieScript1 = [[WKUserScript alloc] initWithSource:[NSString stringWithFormat:@"document.cookie=\'%@=%@;domain=%@\';",@"sign", GVUSER.sign,@"http://www.eqidian.net"] injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:NO];
//        [configuration.userContentController addUserScript:cookieScript1];
//    }
    CGRect rect = CGRectMake(15, yb_NavigationBar_H, APPW-15*2, APPH-yb_NavigationBar_H);  //原生导航栏
    if (_useH5NavBar == 1) {
        rect = CGRectMake(15, yb_StatusBar_H, APPW-15*2, APPH-yb_StatusBar_H);
    }else if (_useH5NavBar == 2) {
        rect = CGRectMake(15, 0, APPW-15*2, APPH);
    }
    _webView = [[WKWebView alloc] initWithFrame:rect configuration:configuration];
    _webView.navigationDelegate = self;
    _webView.UIDelegate = self;
    [self.view addSubview:_webView];
    
    //禁用苹果的自动适配
    if (@available(iOS 11.0, *)) {
        self.webView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
    } else {
        self.edgesForExtendedLayout = UIRectEdgeNone;
    }
    
    _webView.allowsBackForwardNavigationGestures = YES;
    _webView.opaque = NO;
}

- (void)addProgressView {
    //progress
    _progressView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 1, 1)];
    _progressView.backgroundColor = mainDeepColor;
    [_webView addSubview:self.progressView];
    
    //fenghuolun
    _indicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
    [self.view addSubview:self.indicatorView];
    self.indicatorView.center = self.view.center;
}

- (void)loadRequest {
    if (_webUrl.length == 0) {
        return;
    }
    
    //链接拼上通用参数
    if ([_webUrl containsString:@"?"]) {
        _fixWebUrl = [_webUrl stringByAppendingString:@"&iosShow=2&platform=2"];
    }else {
        _fixWebUrl = [_webUrl stringByAppendingString:@"?iosShow=2&platform=2"];
    }
    //如果登录就拼上user_id
//    if (UserID.length>0 && ![_fixWebUrl containsString:@"user_id"]) {
//        _fixWebUrl = [_fixWebUrl stringByAppendingFormat:@"&user_id=%@", UserID];
//    }
    if ([_fixWebUrl containsString:@"??"]) {
        _fixWebUrl = [_fixWebUrl stringByReplacingOccurrencesOfString:@"??" withString:@"?"];       //容错
    }
    //url编码
    _fixWebUrl = [_fixWebUrl stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    
    //设置请求头和策略：从原始地址确认缓存数据的合法性后，缓存数据就可以使用，否则从原始地址加载
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:_fixWebUrl] cachePolicy:NSURLRequestReloadRevalidatingCacheData timeoutInterval:1];
    [request addValue:@"ios" forHTTPHeaderField:@"app-type"];
    [request addValue:@"2" forHTTPHeaderField:@"platform"];
    if (_httpHeadDict.allKeys.count > 0) {
        for (NSString *key in _httpHeadDict.allKeys) {
            [request addValue:_httpHeadDict[key] forHTTPHeaderField:key];
        }
    }
    
    [_webView loadRequest:request];
    
}


#pragma mark - WKNavigationDelegate
//网页开始加载
- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation {
    [UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
    [self.indicatorView startAnimating];
    
    _progressView.hidden = NO;
    _progressView.width = 1;
}

//当内容开始返回时调用
- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation {
    
    [self.indicatorView startAnimating];
}

//网页加载完毕
- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation {
    
    _progressView.hidden = YES;
    //注入不响应的JS方法即可
    // 禁用长按弹出框
    [webView evaluateJavaScript:@"document.documentElement.style.webkitTouchCallout='none';" completionHandler:^(id _Nullable result, NSError * _Nullable error) {}];
    // 禁用用户选择
    [webView evaluateJavaScript:@"document.documentElement.style.webkitUserSelect='none';" completionHandler:^(id _Nullable result, NSError * _Nullable error) {}];
    

    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
    [self.indicatorView stopAnimating];

    
    if (!_useH5NavBar) {
        NSUInteger pageCount = self.webView.backForwardList.backList.count;
        self.bm_navView.left1Btn.hidden = pageCount==0;
    }
    
    //使用原生导航栏 并且 使用h5标题
    if (!_useH5NavBar && (!_useSelfTitle)) {
        if (webView.title.length > 0) {
            self.bm_navView.titleLab.text = webView.title;
        }
    }
    
}

- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler {
    NSLog(@"%@====URL",navigationResponse.response.URL);
    
    decisionHandler(WKNavigationResponsePolicyAllow);
}
/**
 API授权
 */
- (void)webView:(WKWebView *)webView didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition, NSURLCredential * _Nullable))completionHandler{
    
    SecTrustRef serverTrust = challenge.protectionSpace.serverTrust;
    CFDataRef exceptions = SecTrustCopyExceptions(serverTrust);
    SecTrustSetExceptions(serverTrust, exceptions);
    CFRelease(exceptions);
    
    completionHandler(NSURLSessionAuthChallengeUseCredential, [NSURLCredential credentialForTrust:serverTrust]);
}

//通过导航跳转失败的时候调用
- (void)webView:(WKWebView *)webView didFailNavigation:(WKNavigation *)navigation withError:(NSError *)error {
    
    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
    [self.indicatorView stopAnimating];
    
}

- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error {
    
    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
    [self.indicatorView stopAnimating];
    
    //关掉特定网址的网络错误框
    if ([_webUrl containsString:@"yangkeduo"]) {
        NSLog(@"是拼多多网址报错,不显示框");
        return;
    }
    
    if (_useH5NavBar == 0) {
        //原生导航栏
        [SVProgressHUD showInfoWithStatus:@"网络错误"];
    }else {
        //没有原生导航栏时，显示弹框，避免不能返回的尴尬
    }
}

#pragma mark - js调用原生有返回值的方法

- (void)registerNativeFunctions {
    /*
    __weak typeof(self) weakSelf = self;

    _webViewBridge = [WKWebViewJavascriptBridge bridgeForWebView:_webView];
    [_webViewBridge setWebViewDelegate:self];
    [_webViewBridge registerHandler:@"jsGetNativeData" handler:^(id data, WVJBResponseCallback responseCallback) {
        NSDictionary *passDict;
        if ([data isKindOfClass:NSString.class]) {
            passDict = ((NSString *)data).mj_JSONObject;
        }
        if ([data isKindOfClass:NSDictionary.class]) {
            passDict = data;
        }
        
        if (passDict) {
            BaseJumpModel *model = [[BaseJumpModel alloc] init];
            model.md_event_type = [passDict safeStringForKey:@"md_event_type"];
            model.md_event_content = [passDict valueForKey:@"md_event_content"];
            model.md_event_need_login = [passDict safeBoolForKey:@"md_event_need_login"];
            
            [model doModelEvent];
            id result = model.jsNeedThing.mj_JSONString;
            if (result) {
                NSLog(@"返回给js的值 %@", result);
#if DEBUG
//                dispatch_async(dispatch_get_main_queue(), ^{
//                    [QMUITips showInfo:[NSString stringWithFormat:@"返回给js的值 %@", result]];
//                });
#endif
                responseCallback(result);
            }
        }
    }];
     */
}

#pragma mark - WKScriptMessageHandler js调用原生方法，没有返回值

- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message{
    NSLog(@"JS 调用了 %@ 方法",message.name);
    NSString *jsonString = message.body;
    NSString *methodName = message.name;
    if ([methodName isEqualToString:@"jsCallNative"]) {
        NSDictionary *info;
        if ([jsonString isKindOfClass:NSString.class]) {
            info = jsonString.mj_JSONObject;
        }
        if ([jsonString isKindOfClass:NSDictionary.class]) {
            info = (NSDictionary *)jsonString;  //容错一下，万一H5变成字典了
        }
        if ([info isKindOfClass:NSDictionary.class]) {
//            BaseJumpModel *model = [[BaseJumpModel alloc] init];
//            model.md_event_type = [info safeStringForKey:@"md_event_type"];
//            model.md_event_content = [info valueForKey:@"md_event_content"];
//            model.md_event_need_login = [info safeBoolForKey:@"md_event_need_login"];
//            [model doModelEvent];
            
//            if (model.md_event_type.integerValue != 1017) {
//                NSLog(@"JS 调用了 %@ 方法，传回参数 %@",message.name,message.body);
//            }
        }
        return;
    }
    NSLog(@"JS 调用了 %@ 方法，传回参数 %@",message.name,message.body);
}

#pragma mark - WKUIDelegate

- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler{
    NSLog(@"message - %@",message);
    completionHandler();
}

//弹出一个输入框（与JS交互的）
- (void)webView:(WKWebView *)webView runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(nullable NSString *)defaultText initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(NSString * __nullable result))completionHandler{
    
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:prompt message:defaultText preferredStyle:UIAlertControllerStyleAlert];
    UIAlertAction *a1 = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
        //这里必须执行不然页面会加载不出来
        completionHandler(@"");
    }];
    UIAlertAction *a2 = [UIAlertAction actionWithTitle:@"确认" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        NSLog(@"%@", [alert.textFields firstObject].text);
        completionHandler([alert.textFields firstObject].text);
    }];
    [alert addAction:a1];
    [alert addAction:a2];
    [alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
        NSLog(@"%@",textField.text);
    }];
    [self presentViewController:alert animated:YES completion:nil];
}

//显示一个确认框（JS的）
- (void)webView:(WKWebView *)webView runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(BOOL result))completionHandler{
    
//    [AlertShowTool showAlertWithTitle:message message:nil sureBlock:^{
//        completionHandler(YES);
//    } cancleBlock:^{
//        completionHandler(NO);
//    } fromViewController:self];
}

#pragma mark - btn action

- (void)backWeb:(id)sender {
    NSInteger pageCount = self.webView.backForwardList.backList.count;
    if (pageCount > 0) {
        [self.webView goBack];
    }else {
        [self.navigationController popViewControllerAnimated:YES];
    }
}

- (void)closeWeb:(id)sender {
    [self.navigationController popViewControllerAnimated:YES];
}

- (void)shareBtnClick {
   
}

- (void)reloadWebAfterLogin {
    //是否需要确定当前页面在显示中才调用
    
    [self loadRequest];
}

#pragma mark - 原生调用js方法

- (void)callJsAfterUUpay {
    NSDictionary *para = @{@"md_event_type":@"1400", @"md_event_content":@{}};
    NSString *jsString = [NSString stringWithFormat:@"nativeCallJs('%@')", para.mj_JSONString];
//    NSString *jsString = @"nativeCallJs(1400)";
    
    [_webView evaluateJavaScript:jsString completionHandler:^(id _Nullable result, NSError * _Nullable error) {
        
    }];
}

- (void)callJsAfterGetPhone:(NSString *)phone withName:(NSString *)name {
    NSDictionary *para = @{@"md_event_type":@"1202", @"md_event_content":@{@"phone":C_string(phone), @"name":C_string(name)}};
    NSString *jsString = [NSString stringWithFormat:@"nativeCallJs('%@')", para.mj_JSONString];
//    NSString *jsString = @"nativeCallJs(1400)";
    
    [_webView evaluateJavaScript:jsString completionHandler:^(id _Nullable result, NSError * _Nullable error) {
        
    }];
}

- (void)callJsAfterVideoShow {
    NSDictionary *para = @{@"md_event_type":@"1205", @"md_event_content":@{}};
    NSString *jsString = [NSString stringWithFormat:@"nativeCallJs('%@')", para.mj_JSONString];
    [_webView evaluateJavaScript:jsString completionHandler:^(id _Nullable result, NSError * _Nullable error) {
        
    }];
}

#pragma mark - KVO监听

- (void)addJsMethod {
    if (_canAddJs) {    //连续添加会崩溃
        [_webView.configuration.userContentController addScriptMessageHandler:self name:@"jsCallNative"];
        _canAddJs = NO;
    }
}

- (void)removeJsMethod {
    //不然会循环引用,造成内存泄漏
    if (_canAddJs == NO) {
        [_webView.configuration.userContentController removeScriptMessageHandlerForName:@"jsCallNative"];
        _canAddJs = YES;
    }
}

- (void)addObserver {
    [_webView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionNew context:nil];
}

- (void)removeObserve {
    @try {
        [_webView removeObserver:self forKeyPath:@"estimatedProgress"];
    } @catch (NSException *exception) {
        NSLog(@"移除观察者出错");
    } @finally {
        
    }
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context {
    if ([keyPath isEqualToString:@"estimatedProgress"]) {
        [UIView animateWithDuration:0.1 animations:^{
            _progressView.width = self.webView.estimatedProgress * APPW;
        }];
        _progressView.hidden = _webView.estimatedProgress >= 0.97;
    }else{
        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
    }
}

- (void)dealloc {
    NSLog(@"%@", [NSString stringWithFormat:@"销毁%@页面", NSStringFromClass(self.class)]);
    [NSNotificationCenter.defaultCenter removeObserver:self];
}


@end