//
//  OJSWebViewController.swift
//  OJASwiftKitDemo
//
//  Created by luxiaoming on 2017/12/23.
//  Copyright © 2017年 luxiaoming. All rights reserved.
//

import UIKit
import WebKit




class OJSWebViewController: UIViewController {

    fileprivate lazy var webView: WKWebView = {
        
        let preferences = WKPreferences()
        preferences.minimumFontSize = 48
        let config = WKWebViewConfiguration()
        config.preferences = preferences
        config.userContentController.add(self, name: "loginCallback")
        config.userContentController.add(self, name: "shareClick")
        

        let webView = WKWebView(frame: self.view.bounds, configuration: config)
        webView.navigationDelegate = self
        webView.uiDelegate = self
        return webView
        
    }()

}

// MARK: - Lifecycle
extension OJSWebViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        webView.frame = self.view.bounds
        self.view.addSubview(webView)
        
        
        
        
//        webView.configuration.userContentController.add(self, name: "loginCallback")
//        webView.configuration.userContentController.add(self, name: "getUid")

//        if let url = URL(string: "http://www.duowan.com/mlogin/index.html?from=app") {
//            let request = URLRequest(url: url)
//            webView.load(request)
//        }
       

//        if let url = URL(string: "http://www.duowan.com/applogin/index.html") {
//            let request = URLRequest(url: url)
//            webView.load(request)
//        }
        
//        if let url = URL(string: "http://172.16.15.158:8080/iosTest.html") {
//            let request = URLRequest(url: url)
//            webView.load(request)
//        }

//        NSString *urlStr = [[NSBundle mainBundle] pathForResource:@"index.html" ofType:nil];
//        NSURL *fileURL = [NSURL fileURLWithPath:urlStr];
//        [self.webView loadFileURL:fileURL allowingReadAccessToURL:fileURL];
        
        let urlString = Bundle.main.path(forResource: "index2", ofType: "html")
        let fileUrl = URL(fileURLWithPath: urlString!)
        if #available(iOS 9.0, *) {
            webView.loadFileURL(fileUrl, allowingReadAccessTo: fileUrl)
        } else {
            // Fallback on earlier versions
        }
        
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
}


// MARK: - PrivateMethod
private extension OJSWebViewController {
    
    
    func setupForJavaScriptAction(webView: WKWebView) {
        
    }
    
    func runJSFunc() {
        let aaa = "aaa"
        let jsString = "setLocation('\(aaa)')"
        webView.evaluateJavaScript(jsString) { (result, error) in
            if let error = error {
                print(error)
            } else {
                print("result is \(result.debugDescription)")
            }
        }
    }
    
}

extension OJSWebViewController: WKUIDelegate {
    
    func webView(_ webView: WKWebView, runJavaScriptAlertPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping () -> Void) {
        let alert = UIAlertController(title: message, message: message, preferredStyle: .alert)
        
        let cancelActiion = UIAlertAction(title: "ok", style: .cancel, handler: { (action: UIAlertAction) in
            completionHandler()
        })
        alert.addAction(cancelActiion)
        
        self.present(alert, animated: true, completion: nil)
        
    }
    
}

extension OJSWebViewController: WKNavigationDelegate {
    
    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
        NSLog(navigation.description)
        

    }
    
    func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: Error) {
        NSLog(error.localizedDescription)
    }
    
    func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) {
        NSLog(error.localizedDescription)
    }
    
    
    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
        if let url = navigationAction.request.url,
            let scheme = url.scheme,
            let host = url.host,
            scheme == "haleyaction" {
           
            NSLog("\(host)")
            
            if host == "scanClick" {
                
            } else if host == "shareClick" {
                
            } else if (host == "getLocation") {
                self.runJSFunc()
            } else if (host == "setColor") {
                
            } else if (host == "payAction") {
                
            } else if (host == "shake") {
                
            } else if (host == "goBack") {
                
            }
            
            decisionHandler(.cancel)
            return
        }
    
        
        decisionHandler(.allow)
    }
}


extension OJSWebViewController: WKScriptMessageHandler {
    
    func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
        if message.name == "loginCallback" {
            NSLog("\(message.name): \(message.body)")
        }
        else if message.name == "shareClick" {
            NSLog("\(message.name): \(message.body)")
        }
        else if message.name == "getUid" {
            self.webView.evaluateJavaScript("getUidCallback(\(123))", completionHandler: { (success, error) in
                print(success)
                print(error)
                
            })
        }
    }
    
}