import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:provider/provider.dart';
import 'package:qpay/http/http.dart';
import 'package:qpay/screens/gateway/gateway_controller.dart';
import 'package:qpay/screens/transaction_controller.dart';
import 'package:shared_preferences/shared_preferences.dart';

class IntegrationModel {
  Map<String, dynamic>? transaction;
  String status = '';
  bool isLoading = false;
  String? errorMessage;
}

class IntegrationController extends ChangeNotifier {
  final IntegrationModel model = IntegrationModel();
  final Http http = Http();
  late TransactionController transactionController;
  late GatewayController gatewayController;
  late SharedPreferences prefs;

  BuildContext context;

  IntegrationController(this.context) {
    transactionController = Provider.of<TransactionController>(
      context,
      listen: false,
    );

    gatewayController = GatewayController(context);
  }

  void _showErrorSnackBar(String? message) {
    WidgetsBinding.instance.addPostFrameCallback((_) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text(message.toString()),
          behavior: SnackBarBehavior.floating,
          backgroundColor: Colors.deepOrange,
        ),
      );
    });
  }


  Future<void> doIntegration() async {
    try {
      model.isLoading = true;
      notifyListeners();

      dynamic workflowResponse = await http.get(
          '/public/transaction/integration/'
              '${transactionController.model.confirmationData['id']}'
      );
      logger.i(workflowResponse.toString());

      dynamic response = workflowResponse['body'];

      if (response['status'] == 'SUCCESS') {
        model.status = response['status'];
        transactionController.updateReceiptData(response);

        await gatewayController.poll(transactionController.model.confirmationData['id']);
      }

      // regardless of poll result we proceed to receipt
      WidgetsBinding.instance.addPostFrameCallback((_) {
        context.go('/receipt');
      });

      model.isLoading = false;
      notifyListeners();

    } catch (e) {
      model.isLoading = false;
      model.errorMessage = e.toString();
      notifyListeners();
    }
  }
}