//
// BaseWebViewUIViewController.swift
// O2Platform
//
// Created by 刘振兴 on 2016年10月11日.
// Copyright © 2016年 zoneland. All rights reserved.
//

import UIKit
import WebKit
import CocoaLumberjack


protocol BaseWebViewUIViewControllerJSDelegate {
 func closeUIViewWindow()
 func actionBarLoaded(show: Bool)
}

protocol O2WKScriptMessageHandlerImplement {
 func userController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage)
}

open class BaseWebViewUIViewController: UIViewController {
 
 var webView:WKWebView!
 var delegate: BaseWebViewUIViewControllerJSDelegate?
 var o2WKScriptHandlers: [String : O2WKScriptMessageHandlerImplement] = [:]
 
 
 //继承的子类如果要添加MessageHandler必须在theWebView方法前使用
 func addScriptMessageHandler(key: String, handler: O2WKScriptMessageHandlerImplement) {
 o2WKScriptHandlers[key] = handler
 }
 
 
 open func theWebView(){
 let baseJsHandler = O2BaseJsMessageHandler(viewController: self)
 // bbs 回复
 addScriptMessageHandler(key: "ReplyAction", handler: baseJsHandler)
 // protal已经存在ActionBar
 addScriptMessageHandler(key: "actionBarLoaded", handler: baseJsHandler)
 // 打开工作 {"work":"", "workCompleted":"", "title":""}
 addScriptMessageHandler(key: "openO2Work", handler: baseJsHandler)
 // 4个分类 task taskCompleted read readCompleted
 addScriptMessageHandler(key: "openO2WorkSpace", handler: baseJsHandler)
 // 打开cms appId
 addScriptMessageHandler(key: "openO2CmsApplication", handler: baseJsHandler)
 // 打开cms docId docTitle
 addScriptMessageHandler(key: "openO2CmsDocument", handler: baseJsHandler)
 // 打开meeting
 addScriptMessageHandler(key: "openO2Meeting", handler: baseJsHandler)
 // 打开 calendar
 addScriptMessageHandler(key: "openO2Calendar", handler: baseJsHandler)
 // 打开扫一扫
 addScriptMessageHandler(key: "openScan", handler: baseJsHandler)
 
 addScriptMessageHandler(key: "openO2Alert", handler: baseJsHandler)
 // 打开钉钉
 addScriptMessageHandler(key: "openDingtalk", handler: baseJsHandler)
 // 关闭当前UIViewController
 addScriptMessageHandler(key:"closeNativeWindow", handler: baseJsHandler)
 // 上传图片到云盘,放入对应的业务区域
 addScriptMessageHandler(key: "uploadImage2FileStorage", handler: baseJsHandler)
 // 打印日志
 addScriptMessageHandler(key: "o2mLog", handler: baseJsHandler)
 
 //o2m.notification
 let o2Notification = O2JsApiNotification(viewController: self)
 addScriptMessageHandler(key: "o2mNotification", handler: o2Notification)
 //o2m.util
 let o2Util = O2JsApiUtil(viewController: self)
 addScriptMessageHandler(key: "o2mUtil", handler: o2Util)
 
 setupWebView()
 }
 
 
 public func setupWebView() {
 let userContentController = WKUserContentController()
 //cookie脚本
 if let cookies = HTTPCookieStorage.shared.cookies {
 let script = getJSCookiesString(cookies: cookies)
 let cookieScript = WKUserScript(source: script, injectionTime: WKUserScriptInjectionTime.atDocumentStart, forMainFrameOnly: false)
 userContentController.addUserScript(cookieScript)
 }
 // console.log 打印到ios log debug用
 let consoleLog = "console.log = (function(oriLogFunc){return function(str){window.webkit.messageHandlers.o2mLog.postMessage(str);oriLogFunc.call(console,str);} })(console.log);"
 let logScript = WKUserScript(source: consoleLog, injectionTime: WKUserScriptInjectionTime.atDocumentStart, forMainFrameOnly: false)
 userContentController.addUserScript(logScript)
 let webViewConfig = WKWebViewConfiguration()
 webViewConfig.userContentController = userContentController
 //加入js-app message handler
 for item in o2WKScriptHandlers {
 userContentController.add(self, name: item.key)
 }
 self.webView = WKWebView(frame: self.view.frame, configuration: webViewConfig)
 }
 
 ///Generates script to create given cookies
 public func getJSCookiesString(cookies: [HTTPCookie]) -> String {
 var result = ""
 let dateFormatter = DateFormatter()
 dateFormatter.timeZone = NSTimeZone(abbreviation: "UTC") as TimeZone?
 dateFormatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss zzz"
 
 for cookie in cookies {
 result += "document.cookie='\(cookie.name)=\(cookie.value); domain=\(cookie.domain); path=\(cookie.path); "
 if let date = cookie.expiresDate {
 result += "expires=\(dateFormatter.string(from: date)); "
 }
 if (cookie.isSecure) {
 result += "secure; "
 }
 result += "'; "
 }
 return result
 }
 
 
}

extension BaseWebViewUIViewController: WKScriptMessageHandler {
 
 public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
 let name = message.name
 if let handler = o2WKScriptHandlers[name] {
 handler.userController(userContentController, didReceive: message)
 }else {
 let err = "没有找到对应的key,key:\(name)"
 self.showError(title: err)
 }
 }
}