LiedouYouxuan/YouHuiProject/YouHui/GoodDetailVi.../ViewController/LDTaobaoWebA...

//
//  LDTaobaoWebAuthorController.m
//  YouHuiProject
//
//  Created by 小花 on 2019/1/24.
//  Copyright © 2019年 kuxuan. All rights reserved.
//

#import "LDTaobaoWebAuthorController.h"
#import <WebKit/WebKit.h>
#import "WYWeakScriptMessageDelegate.h"
#import "WebviewProgressLine.h"
#import <AlibcTradeSDK/AlibcTradeSDK.h>
#import <AlibabaAuthSDK/ALBBSession.h>
#import <AlibabaAuthSDK/ALBBSDK.h>

@interface LDTaobaoWebAuthorController ()<UIWebViewDelegate>

@property (nonatomic, strong) UIWebView *webView;
@property (nonatomic, strong) WebviewProgressLine  *progress;


@property (nonatomic, strong) UIButton *backButton;
@property (nonatomic, strong) UIButton *closeButton;
@end

@implementation LDTaobaoWebAuthorController


- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self configNavigationBar];
    [self loadRequest];
}

- (void)configNavigationBar {
    
    self.view.backgroundColor = [UIColor whiteColor];
    [self.view addSubview:self.webView];
    [self.view addSubview:self.progress];
    self.navigationBar.backgroundColor = [UIColor whiteColor];
    self.navigationBar.showNavigationBarBottomLine = YES;
    [self.navigationBar setCustomLeftButtons:@[self.backButton]];
    self.navigationBar.backgroundColor = [UIColor clearColor];
    
    if (@available(iOS 11.0, *)) {
        self.webView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;//UIScrollView也适用
    }else {
        self.automaticallyAdjustsScrollViewInsets = NO;
    }
}

- (void)loadRequest {
    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:self.url]];
    [self.webView loadRequest:request];

}



#pragma mark-
#pragma mark- WKNavigationDelegate delegate

- (void)webViewDidStartLoad:(UIWebView *)webView {

    [self.progress startLoadingAnimation];
}

- (void)webViewDidFinishLoad:(UIWebView *)webView {

    [self.progress endLoadingAnimation];
    NSString *title = [webView stringByEvaluatingJavaScriptFromString:@"document.title"];//获取当前页面的title
    [self.navigationBar setNavTitle:title];
    [self updateNavigationBarButtons];

}



- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType  {
    

    NSString *strRequest = request.URL.absoluteString;
    if ([strRequest containsString:@"code="]) {
        NSString *str = [[strRequest componentsSeparatedByString:@"code="] lastObject];
        NSString *codeStr = [[str componentsSeparatedByString:@"&"] firstObject];
        if (codeStr) {
            [self authorRequest:codeStr];
        }
    }
    
    return YES;
}

- (void)authorRequest:(NSString *)codeStr {
    NSString *url = [NSString stringWithFormat:@"%@/api/v2/relationAuth/tbkUserToAuth",BaseURL];
    if (!self.authorType) {
        self.authorType = @"2";
    }
    NSDictionary *para = @{@"code":codeStr,@"type":self.authorType};
    [LDHttp post:url params:para success:^(id json) {

        [XHToast showCenterWithText:json[@"msg"]];
        [self.navigationController popViewControllerAnimated:YES];
    } failure:^(NSError *error) {
        if (error) {
            [XHToast showCenterWithText:@"加载失败"];
        }
    }];
}


#pragma mark --- WKScriptMessageHandler


#pragma mark -----------
- (void)updateNavigationBarButtons {
    if (self.webView.canGoBack) {
        [self.navigationBar setCustomLeftButtons:@[self.backButton,self.closeButton]];
    }else {
        [self.navigationBar setCustomLeftButtons:@[self.backButton]];
    }
}


- (void)backAction {
    if (self.webView.canGoBack) {
        [self.webView goBack];
    }else{
        [self.navigationController popViewControllerAnimated:YES];
    }
    
}

- (void)closeAction {
    [self.navigationController popViewControllerAnimated:YES];
}


- (UIWebView *)webView{
    if (!_webView) {
        
        _webView = [[UIWebView alloc]initWithFrame:CGRectMake(0, NavBarHeight, SCREEN_WIDTH, SCREEN_HEIGHT-NavBarHeight)];
        _webView.backgroundColor = [UIColor colorWithRed:240.0/255 green:240.0/255 blue:240.0/255 alpha:1.0];
        _webView.delegate = self;
        //使用kvo监听进度
        //自适应
        [_webView sizeToFit];
    }
    return _webView;
}

#pragma mark-
#pragma mark- SetupConstraints

/** 加载配置以及视图添加*/
- (void)loadSubViewsConfiguration{
    
    [self.view addSubview:self.webView];
}


- (UIButton *)backButton {
    if (!_backButton) {
        _backButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 40)];
        [_backButton setImage:[UIImage imageNamed:@"back"] forState:UIControlStateNormal];
        [_backButton addTarget:self action:@selector(backAction) forControlEvents:UIControlEventTouchUpInside];
    }
    return _backButton;
}

- (UIButton *)closeButton {
    if (!_closeButton) {
        _closeButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 40)];
        [_closeButton setImage:[UIImage imageNamed:@"close_web"] forState:UIControlStateNormal];
        [_closeButton addTarget:self action:@selector(closeAction) forControlEvents:UIControlEventTouchUpInside];
    }
    return _closeButton;
}


- (WebviewProgressLine *)progress {
    if (!_progress) {
        _progress = [[WebviewProgressLine alloc] initWithFrame:CGRectMake(0, NavBarHeight, SCREEN_WIDTH, 2)];
        _progress.lineColor = [UIColor homeRedColor];
    }
    return _progress;
}
/*
#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