/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.taobao.weex.bridge;

import android.text.TextUtils;
import android.widget.Toast;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.squareup.okhttp.Response;
import com.squareup.okhttp.ws.WebSocket;
import com.taobao.weex.WXEnvironment;
import com.taobao.weex.WXSDKManager;
import com.taobao.weex.common.IWXBridge;
import com.taobao.weex.utils.WXLogUtils;
import com.taobao.weex.websocket.WXWebSocketManager;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import okio.BufferedSource;

/**
 * websocket bridge
 *
 * @author gulin
 */
public class WXWebsocketBridge implements IWXBridge,WXWebSocketManager.JSDebuggerCallback {

    private WXBridgeManager mJsManager;
    private volatile boolean mInit = false;

    public WXWebsocketBridge(WXBridgeManager jm) {
        mJsManager = jm;
        WXWebSocketManager.getInstance().registerListener(this);
    }

    @Override
    public int execJS(String instanceId, String namespace, String function,
                      WXJSObject[] args) {
        if (!mInit || TextUtils.isEmpty(instanceId)
                || TextUtils.isEmpty(function)) {
            return -1;
        }

        Map<String, Object> map = new HashMap<>();
        map.put("method", function);

        ArrayList<Object> array = new ArrayList<>();
        int argsCount = args == null ? 0 : args.length;
        for (int i = 0; i < argsCount; i++) {
            if (args[i].type != WXJSObject.String) {
                array.add(JSON.parse(args[i].data.toString()));
            } else {
                array.add(args[i].data);
            }
        }
        map.put("arguments", array);
        WXWebSocketManager.getInstance().sendMessage(JSON.toJSONString(map));
        return 0;
    }

    @Override
    public int execJSService(String javascript) {
        return 0;
    }

    @Override
    public int callNative(String instanceId, String tasks, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callNative(instanceId, tasks, callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callCreateBody(String instanceId, String tasks, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callCreateBody(instanceId, tasks, callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callAddElement(String instanceId, String ref, String dom, String index, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callAddElement(instanceId, ref,dom, index,callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callUpdateFinish(String instanceId, byte [] tasks, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callUpdateFinish(instanceId, callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callCreateFinish(String instanceId,  byte [] tasks, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callCreateFinish(instanceId, callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callRefreshFinish(String instanceId,  byte [] tasks, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callRefreshFinish(instanceId, callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callUpdateAttrs(String instanceId, String ref,  byte [] tasks, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        if (tasks != null) {
            mJsManager.callUpdateAttrs(instanceId, ref, new String(tasks), callback);
        }

        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callUpdateStyle(String instanceId, String ref,  byte [] tasks, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        if (tasks != null) {
            mJsManager.callUpdateStyle(instanceId, ref, new String(tasks), callback);
        }

        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callRemoveElement(String instanceId, String ref, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callRemoveElement(instanceId, ref, callback);


        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callMoveElement(String instanceId, String ref, String parentref, String index, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callMoveElement(instanceId, ref, parentref, index, callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callAddEvent(String instanceId, String ref, String event, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callAddEvent(instanceId, ref, event, callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int callRemoveEvent(String instanceId, String ref, String event, String callback) {
        if (!mInit || mJsManager == null)
            return IWXBridge.INSTANCE_RENDERING_ERROR ;
        mJsManager.callRemoveEvent(instanceId, ref, event, callback);
        return IWXBridge.INSTANCE_RENDERING;
    }

    @Override
    public int initFramework(String scriptsFramework,WXParams params) {
        if (!mInit) {
            return -1;
        }

        Map<String, Object> map = new HashMap<>();
        map.put("method", "evalFramework");
        ArrayList<String> args = new ArrayList<>();
        args.add(scriptsFramework);
        map.put("arguments", args);
        WXWebSocketManager.getInstance().sendMessage(JSON.toJSONString(map));
        return 0;
    }

    @Override
    public int initFrameworkEnv(String scriptsFramework,WXParams params, String cacheDir, boolean pieSupport) {
        if (!mInit) {
            return -1;
        }

        Map<String, Object> map = new HashMap<>();
        map.put("method", "evalFramework");
        ArrayList<String> args = new ArrayList<>();
        args.add(scriptsFramework);
        map.put("arguments", args);
        WXWebSocketManager.getInstance().sendMessage(JSON.toJSONString(map));
        return 0;
    }

    @Override
    public void takeHeapSnapshot(String filename) {}

    @Override
    public void reportJSException(String instanceId, String func, String exception) {
        if (mJsManager != null) {
            mJsManager.reportJSException(instanceId, func, exception);
        }
    }

    @Override
    public String callNativeModule(String instanceId, String module, String method, byte[] arguments, byte[] options) {
        return null;
    }

    @Override
    public void callNativeComponent(String instanceId, String componentRef, String method, byte[] arguments, byte[] options) {

    }

    @Override
    public void reportServerCrash(String instanceId, String crashFile) {

    }


    @Override
    public void onMessage(BufferedSource payload, WebSocket.PayloadType type) {
        if (type != WebSocket.PayloadType.TEXT) {
            WXLogUtils.w("Websocket received unexpected message with payload of type " + type);
            return;
        }

        String message = null;
        try {
            message = payload.readUtf8();
            JSONObject jsonObject = JSONObject.parseObject(message);
            Object name = jsonObject.get("name");
            Object value = jsonObject.get("value");
            if (name == null || value == null) {
                return;
            }
            if (name.toString().equals("callNative")) {
                JSONArray jsonArray = JSONObject.parseArray(value.toString());
                callNative(jsonArray.getString(0), jsonArray.getString(1),
                           jsonArray.getString(2));
            }
        } catch (Exception e) {

        } finally {
            try {
                payload.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    @Override
    public void onSuccess(Response response) {
        if(response.isSuccessful()){
            WXSDKManager.getInstance().postOnUiThread(new Runnable() {
                @Override
                public void run() {
                    Toast.makeText(WXEnvironment.sApplication,"Has switched to DEBUG mode, you can see the DEBUG information on the browser!",Toast.LENGTH_SHORT).show();
                }
            },0);
        }
    }

    @Override
    public void onFailure(Throwable cause) {
        Toast.makeText(WXEnvironment.sApplication,"socket connect failure!",Toast.LENGTH_SHORT).show();
    }
}