//
//  QXBaseWebViewController.m
//  YSDTrucksProject
//
//  Created by 党凯 on 2020/7/3.
//  Copyright © 2020 党凯. All rights reserved.
//

#import "QXBaseWebViewController.h"
#import <WebKit/WebKit.h>

static void *WKWebBrowserContext = &WKWebBrowserContext;
@interface QXBaseWebViewController ()<WKNavigationDelegate,WKUIDelegate,WKScriptMessageHandler>
@property(nonatomic,strong)WKWebView *contentWebView;
@property(nonatomic,strong)UIProgressView *progressView;
//@property (nonatomic,strong)TitleView *titleView;
@end

@implementation QXBaseWebViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
//    if (@available(iOS 11.0, *)) {
//        self.contentWebView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
//    } else {
//        self.automaticallyAdjustsScrollViewInsets = NO;
//    }

    [self.view addSubview:self.contentWebView];
    [self.view addSubview:self.progressView];
    
    [self layoutConstraints];
    [self loadData];
}
-(void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];
    [self.navigationController setNavigationBarHidden:NO animated:YES];
}
-(void)setNavgationItems{
    [super setNavgationItems];
}
- (void)layoutConstraints {
    [self.contentWebView setFrame:CGRectMake(0, NavContentHeight, SCREEN_WIDTH, SCREEN_HEIGHT-(NavContentHeight))];
    [self.progressView setFrame:CGRectMake(0, NavContentHeight, SCREEN_WIDTH
                                           , 2)];
}
- (void)loadData {
    if (self.urlStr.length) {
        if ([self.urlStr hasPrefix:@"http"]) {
            NSURL* url=[NSURL URLWithString:self.urlStr];
            NSURLRequest *request =[NSURLRequest requestWithURL:url];
            [self.contentWebView loadRequest:request];
        }else{
            NSURL* url=[NSURL fileURLWithPath:self.urlStr];
            NSURLRequest *request =[NSURLRequest requestWithURL:url];
            [self.contentWebView loadRequest:request];
        }
        return;
    }
    if (self.content.length) {
        [self.contentWebView loadHTMLString:self.content baseURL:nil];
        return;
    }
}


#pragma mark - WKNavigationDelegate
//开始加载
- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation{
    //开始加载的时候，让加载进度条显示
    self.progressView.hidden = NO;
}

//网页加载完成
- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{
    // 获取加载网页的标题
    if (self.title.length == 0) {
        self.title = self.contentWebView.title;
    }
//    if ([self.titleString containsString:@"转账"]) {
//        // 设置字体
//        NSString *fontFamilyStr = @"document.getElementsByTagName('body')[0].style.fontFamily='Arial';";
//        [webView evaluateJavaScript:fontFamilyStr completionHandler:nil];
//        //设置颜色
//        [ webView evaluateJavaScript:@"document.getElementsByTagName('body')[0].style.webkitTextFillColor= '#333333'" completionHandler:nil];
//        //修改字体大小
//        [ webView evaluateJavaScript:@"document.getElementsByTagName('body')[0].style.webkitTextSizeAdjust= '150%'"completionHandler:nil];
//    }
}
//内容返回时调用
- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation {
    
}

//服务器请求跳转的时候调用
- (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(WKNavigation *)navigation {
    
}

// 内容加载失败时候调用
- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error{
    
}
-(void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message{
    NSLog(@"message.name====%@  body=%@",message.name,message.body);
    if([message.name isEqualToString:@"toRegister"]){
//        RegistVC *vc = [[RegistVC alloc] init];
//        vc.isRegist = YES;
//        [self.navigationController pushViewController:vc animated:YES];
//        NSMutableArray *vcArr = [[NSMutableArray alloc]initWithArray:self.navigationController.viewControllers];
//        for (UIViewController *vc in vcArr) {
//            if ([vc isKindOfClass:[self class]]) {
//                [vcArr removeObject:vc];
//                break;
//            }
//        }
//        self.navigationController.viewControllers = vcArr;
    }
}
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
    //如果是跳转一个新页面
    if (navigationAction.targetFrame == nil) {
        [webView loadRequest:navigationAction.request];
    }
    NSURL *URL = navigationAction.request.URL;
    [self dealSomeThing:URL];
    decisionHandler(WKNavigationActionPolicyAllow);
}

- (void)dealSomeThing:(NSURL *)url{
    NSString *scheme = [url scheme];
    NSString *resourceSpecifier = [url resourceSpecifier];
    if ([scheme isEqualToString:@"tel"]) {
        NSString *callPhone = [NSString stringWithFormat:@"tel://%@", resourceSpecifier];
        /// 防止iOS 10及其之后，拨打电话系统弹出框延迟出现
        dispatch_async(dispatch_get_global_queue(0, 0), ^{
            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:callPhone]];
        });
    }
}

//进度条
- (void)webViewWebContentProcessDidTerminate:(WKWebView *)webView {
}

//KVO监听进度条
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
    
    if ([keyPath isEqualToString:NSStringFromSelector(@selector(estimatedProgress))] && object == self.contentWebView) {
        [self.progressView setAlpha:1.0f];
        BOOL animated = self.contentWebView.estimatedProgress > self.progressView.progress;
        [self.progressView setProgress:self.contentWebView.estimatedProgress animated:animated];
        
        // Once complete, fade out UIProgressView
        if(self.contentWebView.estimatedProgress >= 1.0f) {
            [UIView animateWithDuration:0.3f delay:0.3f options:UIViewAnimationOptionCurveEaseOut animations:^{
                [self.progressView setAlpha:0.0f];
            } completion:^(BOOL finished) {
                [self.progressView setProgress:0.0f animated:NO];
            }];
        }
    }
    else {
        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
    }
}

#pragma mark - getters and setters
- (WKWebView *)contentWebView {
    if (!_contentWebView) {
        //设置网页的配置文件
        WKWebViewConfiguration * configuration = [[WKWebViewConfiguration alloc]init];
        // 允许可以与网页交互，选择视图
        configuration.selectionGranularity = YES;
        // web内容处理池pr
        configuration.processPool = [[WKProcessPool alloc] init];
        //自定义配置,一般用于 js调用oc方法(OC拦截URL中的数据做自定义操作)
        WKUserContentController * UserContentController = [[WKUserContentController alloc]init];
        // 是否支持记忆读取
        configuration.suppressesIncrementalRendering = YES;
        // 允许用户更改网页的设置
        [UserContentController addScriptMessageHandler:self name:@"toRegister"];
        configuration.preferences.javaScriptEnabled = YES;
        configuration.preferences.javaScriptCanOpenWindowsAutomatically = YES;
        configuration.userContentController = UserContentController;
        // 此处一定要做判断，因为是iOS9之后才有的方法，否则在iOS8下会崩溃
        if ([[UIDevice currentDevice].systemVersion floatValue] >= 9.0) {
            //允许视频播放
            configuration.allowsAirPlayForMediaPlayback = YES;
            // 允许在线播放
            configuration.allowsInlineMediaPlayback = YES;
            //开启手势触摸 默认设置就是NO。在ios8系统中会导致手势问题，程序崩溃
            _contentWebView.allowsBackForwardNavigationGestures = YES;
        }
        _contentWebView = [[WKWebView alloc] initWithFrame:self.view.bounds configuration:configuration];
        _contentWebView.backgroundColor = [UIColor whiteColor];
        _contentWebView.opaque = YES;
        //适应你设定的尺寸
        [_contentWebView sizeToFit];
        _contentWebView.scrollView.showsVerticalScrollIndicator = NO;
        // 设置代理
        _contentWebView.navigationDelegate = self;
        //kvo 添加进度监控
        [_contentWebView addObserver:self forKeyPath:NSStringFromSelector(@selector(estimatedProgress)) options:0 context:WKWebBrowserContext];
    }
    return _contentWebView;
}

- (UIProgressView *)progressView {
    if (!_progressView) {
        _progressView = [[UIProgressView alloc]initWithProgressViewStyle:UIProgressViewStyleDefault];
        [_progressView setTrackTintColor:[UIColor colorWithRed:240.0/255 green:240.0/255 blue:240.0/255 alpha:1.0]];
        _progressView.progressTintColor = QXConfig.themeColor;
    }
    return _progressView;
}

-(void)setProgressColor:(UIColor *)progressColor{
    _progressView.progressTintColor = progressColor;
}
// 记得dealloc
- (void)dealloc {
    if (self) {
        [self.contentWebView removeObserver:self forKeyPath:NSStringFromSelector(@selector(estimatedProgress))];
    }
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#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