import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:jpush_flutter/jpush_flutter.dart';
import 'package:one_key/app.dart';
import 'package:one_key/models/message.dart';
import 'package:one_key/pages/message/message_page.dart';
import 'package:one_key/pages/my/my_page.dart';
import 'package:one_key/pages/notebook/notebook_page.dart';
import 'package:one_key/provider/message_dialog_model.dart';
import 'package:one_key/provider/message_model.dart';
import 'package:one_key/provider/my_model.dart';
import 'package:one_key/provider/notebook_model.dart';
import 'package:one_key/provider/user_model.dart';
import 'package:one_key/res/colors.dart';
import 'package:one_key/route/navigate_service.dart';
import 'package:one_key/utils/log_util.dart';
import 'package:one_key/utils/utils.dart';
import 'package:provider/provider.dart';
import 'package:flutter/services.dart';

class HomePage extends StatefulWidget{

  final int initialIndex;//初始tab

  HomePage({this.initialIndex=1});

  @override
  State<StatefulWidget> createState() {
    // TODO: implement createState
    return new HomePageState();
  }
}

class HomePageState extends State<HomePage>{

  final JPush jpush = new JPush();

  List<Widget> pages = List<Widget>();
  int _currIndex = 1;
  Color _activeColor = MyColours.color_2bb5b7;
  Color _defaultColor = MyColours.color_bfbfbf;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    LogUtil.v("home_initState");
    _currIndex=widget.initialIndex;
    pages
      ..add(ChangeNotifierProvider<MessageModel>(
        create: (_)=>MessageModel(),
        child: MessagePage(),
      ))
      ..add(ChangeNotifierProvider<NoteBookModel>(
        create: (_)=>NoteBookModel(),
        child: NoteBookPage(),
      ))
      ..add(ChangeNotifierProvider<MyModel>(
        create: (_)=>MyModel(),
        child: MyPage(),
      ));
    initJPush();
    WidgetsBinding.instance.addPostFrameCallback((_){
      if(widget.initialIndex==0)return;
      getUntreatedMessage();
    });
  }

  Future<void> initJPush() async {
    try {
      jpush.resumePush();
      jpush.addEventHandler(
          onReceiveNotification: (Map<String, dynamic> message) async {
            LogUtil.v("flutter onReceiveNotification: $message");
            Map<String,dynamic> messageMap=(json.decode(message["extras"]["cn.jpush.android.EXTRA"]) as Map<String,dynamic>)["extras"];
            Provider.of<MessageDialogModel>(context,listen: false).addMessage(context,Message.fromJson(messageMap));
          }, onOpenNotification: (Map<String, dynamic> message) async {
        LogUtil.v("flutter onOpenNotification: $message");
      }, onReceiveMessage: (Map<String, dynamic> message) async {
        LogUtil.v("flutter onReceiveMessage: $message");
      }, onReceiveNotificationAuthorization:
          (Map<String, dynamic> message) async {
        LogUtil.v("flutter onReceiveNotificationAuthorization: $message");
      });
    } on PlatformException {}

    jpush.setup(
      appKey: "27ceb79c44af41ad99202f7a", //你自己应用的 AppKey
      channel: "theChannel",
      production: false,
      debug: true,
    );

    jpush.applyPushAuthority(
        new NotificationSettingsIOS(sound: true, alert: true, badge: true));

    // Platform messages may fail, so we use a try/catch PlatformException.
    jpush.getRegistrationID().then((rid) {
      LogUtil.v("flutter get registration id : $rid");
      userTokenInit(rid);
    });
    jpush.isNotificationEnabled().then((bool value) {
      if (!value) {
        //没有打开通知
        jpush.openSettingsForNotification();
      }
    });
  }

  //初始化推送token
  userTokenInit(String registrationId){
    UserModel userModel=Provider.of<UserModel>(context,listen: false);
    userModel.registrationId=registrationId;
    Map<String,String> params={
      "sid":userModel.user.sellerid,
      "account":userModel.user.account,
      "registrationId":registrationId
    };
    userModel.userTokenInit(context, params);
  }

  //获取未处理在线预订消息
  getUntreatedMessage(){
    UserModel userModel=Provider.of<UserModel>(context,listen: false);
    Map<String,String> params={
      "sid":userModel.user.sellerid,
      "type_id":"10",
      "status":"0",
      "offset":"0",
      "limit":"100",
    };
    MessageDialogModel messageModel=Provider.of<MessageDialogModel>(context,listen: false);
    messageModel.getUntreatedMsg(context, params);
  }
  
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return new Scaffold(
      bottomNavigationBar: BottomNavigationBar(
        backgroundColor: MyColours.color_ffffff,
        items: [
          BottomNavigationBarItem(
            icon: Image(
              image: AssetImage("assets/message_default.png"),
              width: ScreenUtil().setWidth(60),
              height: ScreenUtil().setWidth(60),
            ),
            activeIcon: Image(
              image: AssetImage("assets/message_selected.png"),
              width: ScreenUtil().setWidth(60),
              height: ScreenUtil().setWidth(60),
            ),
            title: Text(
              "消息中心",
              style: TextStyle(
                  color: _currIndex == 0 ? _activeColor : _defaultColor,fontSize: ScreenUtil().setSp(16)),
            ),
          ),
          BottomNavigationBarItem(
            icon: Image(
              image: AssetImage("assets/notebook_default.png"),
              width: ScreenUtil().setWidth(60),
              height: ScreenUtil().setWidth(60),
            ),
            activeIcon: Image(
              image: AssetImage("assets/notebook_selected.png"),
              width: ScreenUtil().setWidth(60),
              height: ScreenUtil().setWidth(60),
            ),
            title: Text(
              "预定本",
              style: TextStyle(
                  color: _currIndex == 1 ? _activeColor : _defaultColor,fontSize: ScreenUtil().setSp(16)),
            ),
          ),
          BottomNavigationBarItem(
            icon: Image(
              image: AssetImage("assets/my_default.png"),
              width: ScreenUtil().setWidth(60),
              height: ScreenUtil().setWidth(60),
            ),
            activeIcon: Image(
              image: AssetImage("assets/my_selected.png"),
              width: ScreenUtil().setWidth(60),
              height: ScreenUtil().setWidth(60),
            ),
            title: Text(
              "我的",
              style: TextStyle(
                  color: _currIndex == 2 ? _activeColor : _defaultColor,fontSize: ScreenUtil().setSp(16)),
            ),
          ),
        ],
        type: BottomNavigationBarType.fixed,
        currentIndex: _currIndex,
        onTap: (int index) {
          if (_currIndex != index) {
            setState(() {
              _currIndex = index;
            });
            if(_currIndex==2){
              Utils.changeStatusColor(color: MyColours.color_2bb5b7);
            }else{
              Utils.changeStatusColor(color: MyColours.color_ffffff);
            }
          }
        },
      ),
      body: SafeArea(child: pages[_currIndex]),
    );
  }

  @override
  void dispose() {
    // TODO: implement dispose
    super.dispose();
    LogUtil.v("home_dispose");
    jpush.stopPush();
  }
}