//
//  UMComWebViewController.m
//  UMCommunity
//
//  Created by Gavin Ye on 8/19/15.
//  Copyright (c) 2015 Umeng. All rights reserved.
//

#import "UMComWebViewController.h"
#import "UIViewController+UMComAddition.h"

@interface UMComWebViewController ()

@property (nonatomic) BOOL authenticated;

@property (nonatomic, strong) NSURLRequest *request;

@property (nonatomic, strong) NSURLRequest *failedRequest;

@property (nonatomic, strong) UIWebView *webView;

@property (nonatomic, strong) NSURLConnection * urlConnection;

@end

@implementation UMComWebViewController

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

- (instancetype)initWithUrl:(NSString *)url
{
    self = [super init];
    if (self) {
        UIWebView *webView = [[UIWebView alloc] initWithFrame:self.view.bounds];
        webView.delegate = self;
        self.webView = webView;
        NSURLRequest * request = [NSURLRequest requestWithURL:[NSURL URLWithString:url]];
        [webView loadRequest:request];
        [self.view addSubview:webView];
 }
    return self;
}

//兼容HTTPS
-(BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
    BOOL result = _authenticated;
    if (!_authenticated) {
        self.failedRequest = request;
        self.urlConnection = [[NSURLConnection alloc] initWithRequest:request delegate:self startImmediately:YES];
    }
    return result;
}

-(void)connection:(NSURLConnection *)connection willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge {
    if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
        NSURL* baseURL = self.request.URL;
        if ([challenge.protectionSpace.host isEqualToString:baseURL.host]) {
            [challenge.sender useCredential:[NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust] forAuthenticationChallenge:challenge];
        } 
    }
    [challenge.sender continueWithoutCredentialForAuthenticationChallenge:challenge];
}

-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)pResponse {
    _authenticated = YES;
    [connection cancel];
    [self.webView loadRequest:self.failedRequest];
}


- (void)webViewDidStartLoad:(UIWebView *)webView
{
    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
}

- (void)webViewDidFinishLoad:(UIWebView *)webView
{
    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
}

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error
{
    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
}


- (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