'use strict'
// Promise ES6 polyfill https://github.com/taylorhakes/promise-polyfill, 如果此polyfill依然无法满足需求，那么可以引入https://github.com/stefanpenner/es6-promise
!(function(e) {
  function n() {}
  function t(e, n) {
    return function() {
      e.apply(n, arguments)
    }
  }
  function o(e) {
    if ('object' != typeof this) throw new TypeError('Promises must be constructed via new')
    if ('function' != typeof e) throw new TypeError('not a function')
    ;(this._state = 0), (this._handled = !1), (this._value = void 0), (this._deferreds = []), s(e, this)
  }
  function i(e, n) {
    for (; 3 === e._state; ) e = e._value
    return 0 === e._state
      ? void e._deferreds.push(n)
      : ((e._handled = !0),
        void o._immediateFn(function() {
          var t = 1 === e._state ? n.onFulfilled : n.onRejected
          if (null === t) return void (1 === e._state ? r : u)(n.promise, e._value)
          var o
          try {
            o = t(e._value)
          } catch (i) {
            return void u(n.promise, i)
          }
          r(n.promise, o)
        }))
  }
  function r(e, n) {
    try {
      if (n === e) throw new TypeError('A promise cannot be resolved with itself.')
      if (n && ('object' == typeof n || 'function' == typeof n)) {
        var i = n.then
        if (n instanceof o) return (e._state = 3), (e._value = n), void f(e)
        if ('function' == typeof i) return void s(t(i, n), e)
      }
      ;(e._state = 1), (e._value = n), f(e)
    } catch (r) {
      u(e, r)
    }
  }
  function u(e, n) {
    ;(e._state = 2), (e._value = n), f(e)
  }
  function f(e) {
    2 === e._state &&
      0 === e._deferreds.length &&
      o._immediateFn(function() {
        e._handled || o._unhandledRejectionFn(e._value)
      })
    for (var n = 0, t = e._deferreds.length; n < t; n++) i(e, e._deferreds[n])
    e._deferreds = null
  }
  function c(e, n, t) {
    ;(this.onFulfilled = 'function' == typeof e ? e : null), (this.onRejected = 'function' == typeof n ? n : null), (this.promise = t)
  }
  function s(e, n) {
    var t = !1
    try {
      e(
        function(e) {
          t || ((t = !0), r(n, e))
        },
        function(e) {
          t || ((t = !0), u(n, e))
        }
      )
    } catch (o) {
      if (t) return
      ;(t = !0), u(n, o)
    }
  }
  var a = setTimeout
  ;(o.prototype['catch'] = function(e) {
    return this.then(null, e)
  }),
    (o.prototype.then = function(e, t) {
      var o = new this.constructor(n)
      return i(this, new c(e, t, o)), o
    }),
    (o.all = function(e) {
      var n = Array.prototype.slice.call(e)
      return new o(function(e, t) {
        function o(r, u) {
          try {
            if (u && ('object' == typeof u || 'function' == typeof u)) {
              var f = u.then
              if ('function' == typeof f)
                return void f.call(
                  u,
                  function(e) {
                    o(r, e)
                  },
                  t
                )
            }
            ;(n[r] = u), 0 === --i && e(n)
          } catch (c) {
            t(c)
          }
        }
        if (0 === n.length) return e([])
        for (var i = n.length, r = 0; r < n.length; r++) o(r, n[r])
      })
    }),
    (o.resolve = function(e) {
      return e && 'object' == typeof e && e.constructor === o
        ? e
        : new o(function(n) {
            n(e)
          })
    }),
    (o.reject = function(e) {
      return new o(function(n, t) {
        t(e)
      })
    }),
    (o.race = function(e) {
      return new o(function(n, t) {
        for (var o = 0, i = e.length; o < i; o++) e[o].then(n, t)
      })
    }),
    (o._immediateFn =
      ('function' == typeof setImmediate &&
        function(e) {
          setImmediate(e)
        }) ||
      function(e) {
        a(e, 0)
      }),
    (o._unhandledRejectionFn = function(e) {
      'undefined' != typeof console && console && console.warn('Possible Unhandled Promise Rejection:', e)
    }),
    (o._setImmediateFn = function(e) {
      o._immediateFn = e
    }),
    (o._setUnhandledRejectionFn = function(e) {
      o._unhandledRejectionFn = e
    }),
    'undefined' != typeof module && module.exports ? (module.exports = o) : e.Promise || (e.Promise = o)
})(this)

function appCallBack() {}

;(function(window) {
  if (window.EWebBridge) {
    return
  }

  // 初始化App桥接环境
  function setupWebViewJavascriptBridge(callback) {
    // Android 调用
    if (window.WebViewJavascriptBridge) {
      callback(WebViewJavascriptBridge)
    } else {
      document.addEventListener(
        'WebViewJavascriptBridgeReady',
        function() {
          callback(WebViewJavascriptBridge)
        },
        false
      )
    }

    // iOS使用
    if (navigator.userAgent.indexOf('iPhone') != -1) {
      // WebViewJavascriptBridge v6
      if (window.WebViewJavascriptBridge) {
        return callback(WebViewJavascriptBridge)
      }
      if (window.WVJBCallbacks) {
        return window.WVJBCallbacks.push(callback)
      }
      window.WVJBCallbacks = [callback]
      var WVJBIframe = document.createElement('iframe')
      WVJBIframe.style.display = 'none'
      WVJBIframe.src = 'https://__bridge_loaded__'
      document.documentElement.appendChild(WVJBIframe)
      setTimeout(function() {
        document.documentElement.removeChild(WVJBIframe)
      }, 0)
    }
  }

  // App桥接调用初始化
  setupWebViewJavascriptBridge(function(bridge) {
    bridge.registerHandler('appCallWebInJs', function(data, responseCallback) {
      try {
        data = JSON.parse(data)
        //业务逻辑放在这里;
        appCallBack(data, true)
        responseCallback('{"code": "0","message": "success"}')
      } catch (e) {
        appCallBack({}, false)
        responseCallback('{"code": "1","message": "App调用JS异常:"' + e + '"}')
      }
    })
  })

  // H5 & webapp 调用APP，并返回一个Promise对象
  function triggerCallHandler(method, params) {
    return new Promise(function(resolve) {
      WebViewJavascriptBridge.callHandler(method, params, function(response) {
        resolve(response)
      })
    })
  }

  //解析url参数
  function getQuery() {
    var query = window.location.href.split('?')
    query = query.length > 1 ? query[1].split('&') : []
    var json = {}
    for (var i = 0, len = query.length; i < len; i++) {
      var key = query[i].split('=')[0],
        index = query[i].indexOf('='),
        value = query[i].substr(index + 1)
      json[key] = value
    }
    return json
  }

  // 初始化SDK
  var EWebBridge = (window.EWebBridge = {
    webCallAppInJs: function(method, params, debugCallback) {
      // params --> Mixed (json对象 {"a":"123","b":"200"} 或 null 或其他形式的参数，具体根据和app端的约定来)
      method = method || 'getUserToken'
      params = params || null
      var queryParam = getQuery()
      if (queryParam.workinapp == 1) {
        return triggerCallHandler(method, params)
      } else {
        debugCallback && typeof debugCallback === 'function' && debugCallback()
      }
    }
  })
})(window)

//notation: js file can only use this kind of comments
//since comments will cause error when use in webview.loadurl,
//comments will be remove by java use regexp
;(function() {
  //If iPhone Call it, then return
  if (window.WebViewJavascriptBridge || navigator.userAgent.indexOf('iPhone') != -1) {
    return
  }

  var messagingIframe
  var sendMessageQueue = []
  var receiveMessageQueue = []
  var messageHandlers = {}

  var CUSTOM_PROTOCOL_SCHEME = 'yy'
  var QUEUE_HAS_MESSAGE = '__QUEUE_MESSAGE__/'

  var responseCallbacks = {}
  var uniqueId = 1

  function _createQueueReadyIframe(doc) {
    messagingIframe = doc.createElement('iframe')
    messagingIframe.style.display = 'none'
    doc.documentElement.appendChild(messagingIframe)
  }

  //set default messageHandler
  function init(messageHandler) {
    if (WebViewJavascriptBridge._messageHandler) {
      throw new Error('WebViewJavascriptBridge.init called twice')
    }
    WebViewJavascriptBridge._messageHandler = messageHandler
    var receivedMessages = receiveMessageQueue
    receiveMessageQueue = null
    for (var i = 0; i < receivedMessages.length; i++) {
      _dispatchMessageFromNative(receivedMessages[i])
    }
  }

  function send(data, responseCallback) {
    _doSend(
      {
        data: data
      },
      responseCallback
    )
  }

  function registerHandler(handlerName, handler) {
    messageHandlers[handlerName] = handler
  }

  function callHandler(handlerName, data, responseCallback) {
    _doSend(
      {
        handlerName: handlerName,
        data: data
      },
      responseCallback
    )
  }

  //sendMessage add message, 触发native处理 sendMessage
  function _doSend(message, responseCallback) {
    if (responseCallback) {
      var callbackId = 'cb_' + uniqueId++ + '_' + new Date().getTime()
      responseCallbacks[callbackId] = responseCallback
      message.callbackId = callbackId
    }

    sendMessageQueue.push(message)
    messagingIframe.src = CUSTOM_PROTOCOL_SCHEME + '://' + QUEUE_HAS_MESSAGE
  }

  // 提供给native调用,该函数作用:获取sendMessageQueue返回给native,由于android不能直接获取返回的内容,所以使用url shouldOverrideUrlLoading 的方式返回内容
  function _fetchQueue() {
    var messageQueueString = JSON.stringify(sendMessageQueue)
    sendMessageQueue = []
    //android can't read directly the return data, so we can reload iframe src to communicate with java
    messagingIframe.src = CUSTOM_PROTOCOL_SCHEME + '://return/_fetchQueue/' + encodeURIComponent(messageQueueString)
  }

  //提供给native使用,
  function _dispatchMessageFromNative(messageJSON) {
    setTimeout(function() {
      var message = JSON.parse(messageJSON)
      var responseCallback
      //java call finished, now need to call js callback function
      if (message.responseId) {
        responseCallback = responseCallbacks[message.responseId]
        if (!responseCallback) {
          return
        }
        responseCallback(message.responseData)
        delete responseCallbacks[message.responseId]
      } else {
        //直接发送
        if (message.callbackId) {
          var callbackResponseId = message.callbackId
          responseCallback = function(responseData) {
            _doSend({
              responseId: callbackResponseId,
              responseData: responseData
            })
          }
        }

        var handler = WebViewJavascriptBridge._messageHandler
        if (message.handlerName) {
          handler = messageHandlers[message.handlerName]
        }
        //查找指定handler
        try {
          handler(message.data, responseCallback)
        } catch (exception) {
          if (typeof console != 'undefined') {
            console.log('WebViewJavascriptBridge: WARNING: javascript handler threw.', message, exception)
          }
        }
      }
    })
  }

  //提供给native调用,receiveMessageQueue 在会在页面加载完后赋值为null,所以
  function _handleMessageFromNative(messageJSON) {
    console.log(messageJSON)
    if (receiveMessageQueue && receiveMessageQueue.length > 0) {
      receiveMessageQueue.push(messageJSON)
    } else {
      _dispatchMessageFromNative(messageJSON)
    }
  }

  var WebViewJavascriptBridge = (window.WebViewJavascriptBridge = {
    init: init,
    send: send,
    registerHandler: registerHandler,
    callHandler: callHandler,
    _fetchQueue: _fetchQueue,
    _handleMessageFromNative: _handleMessageFromNative
  })

  var doc = document
  _createQueueReadyIframe(doc)
  var readyEvent = doc.createEvent('Events')
  readyEvent.initEvent('WebViewJavascriptBridgeReady')
  readyEvent.bridge = WebViewJavascriptBridge
  doc.dispatchEvent(readyEvent)
})()