import 'dart:convert';
import 'dart:io';
import 'package:aman_kassa_flutter/core/locator.dart';
import 'package:aman_kassa_flutter/core/models/dialog_models.dart';
import 'package:aman_kassa_flutter/core/services/dialog_service.dart';
import 'package:aman_kassa_flutter/shared/app_colors.dart';
import 'package:aman_kassa_flutter/shared/ui_helpers.dart';
import 'package:aman_kassa_flutter/widgets/fields/busy_button.dart';
import 'package:flutter/material.dart';
import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
import 'package:esys_flutter_share/esys_flutter_share.dart';
import 'package:url_launcher/url_launcher.dart';

class ImageShowContainer extends StatelessWidget {
  final ImageShowModel data;

  ImageShowContainer(this.data);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        //backgroundColor: fillColor,
        title: Text(data.title),
      ),
      body: ListView(
        children: <Widget>[imageFromBase64String(data.data)],
      ),
      floatingActionButton: MyFloatingActionButton(data),
    );
  }
}

Padding imageFromBase64String(String base64String) {
  return Padding(
    padding: const EdgeInsets.symmetric(vertical: 10.0, horizontal: 8.0),
    child: Image.memory(base64Decode(base64String)),
  );
}

class ImageShowModel {
  final String data;
  final String title;

  ImageShowModel(this.data, this.title);
}

class MyFloatingActionButton extends StatefulWidget {
  final ImageShowModel data;
  MyFloatingActionButton(this.data);
  @override
  _MyFloatingActionButtonState createState() => _MyFloatingActionButtonState();
}

class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
  bool showFab = true;
  DialogService _dialog = locator<DialogService>();
//  String _batteryLevel = 'Unknown battery level.';
//  static const platform = const MethodChannel('samples.flutter.dev/battery');
//
//  Future<void> _getBatteryLevel() async {
//    String batteryLevel;
//    try {
//      final int result = await platform.invokeMethod('sendMessage');
//      print(result);
//      batteryLevel = 'Battery level at $result % .';
//    } on PlatformException catch (e) {
//      batteryLevel = "Failed to get battery level: '${e.message}'.";
//    }
//
//    setState(() {
//      _batteryLevel = batteryLevel;
//    });
//  }

  @override
  Widget build(BuildContext context) {
    return showFab
        ? FloatingActionButton(
            child: Icon(Icons.share),
            onPressed: () {
              var bottomSheetController = showBottomSheet(
                  context: context,
                  builder: (bottomSheetContext) => Container(
                      padding: const EdgeInsets.symmetric(horizontal: 10.0),
                      decoration: BoxDecoration(
                          color: Colors.white,
                          borderRadius: BorderRadius.all(Radius.circular(15)),
                          boxShadow: [
                            BoxShadow(
                                blurRadius: 10,
                                color: Colors.grey[300],
                                spreadRadius: 5)
                          ]),
                      //color: Colors.grey[900],
                      height: 200,
                      child: Column(
                        children: <Widget>[
                          //verticalSpaceSmall,
                          //BusyButton(title: 'Электронная почта', onPressed: shareFile , mainColor: primaryColor, icon: Icons.mail, enabled: false, ),
                          verticalSpaceSmall,
                          BusyButton(
                            title: 'WhatsApp',
                            onPressed: callWhatsApp,
                            mainColor: greenColor,
                            icon: MdiIcons.whatsapp,
                          ),
                          verticalSpaceSmall,
                          BusyButton(
                            title: '',
                            onPressed: shareFile,
                            mainColor: yellowColor,
                            icon: Icons.share,
                          ),
                        ],
                      )));
              showFoatingActionButton(false);
              bottomSheetController.closed.then((value) {
                showFoatingActionButton(true);
              });
            },
          )
        : Container();
  }

  void shareFile() async {
    try {
      await Share.file('Aman Kassa', 'aman_kassa_check.png',
          base64Decode(widget.data.data), 'image/png');
    } catch (e) {
      print('error: $e');
    }
  }

  void callWhatsApp() async {
    DialogResponse response = await _dialog.showConfirmationDialogInput(
      description: 'Номер телефона',
      cancelTitle: 'Отмена',
      confirmationTitle: 'Отправить',
    );
    if (response.confirmed) {
      String phoneNumber = response.responseText;
      String msg = "Спасибо за покупку! \r\n https://picsum.photos/200/300 ";

      launchWhatsApp(phone: phoneNumber, message: msg);
      //FlutterOpenWhatsapp.sendSingleMessage(phoneNumber, "Спасибо что выбераете нас \r\n https://picsum.photos/200/300 ");
    }
  }

  void launchWhatsApp({
    @required String phone,
    @required String message,
  }) async {
    String url() {
      return "whatsapp://send?phone=$phone&text=$message";
      // if (Platform.isIOS) {
      //   return "whatsapp://wa.me/$phone/?text=$message";
      // } else {
      //   return "whatsapp://send?phone=$phone&text=$message";
      // }
    }

    if (await canLaunch(url())) {
      await launch(url());
    } else {
      //throw 'Could not launch ${url()}';
      _dialog.showDialog(description: 'Отсутсвует приложение WhatsApp');
    }
  }

  void showFoatingActionButton(bool value) {
    setState(() {
      showFab = value;
    });
  }
}