import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:medcify/models/order_item.dart';
import 'package:medcify/network/api_provider.dart';

import '../../../components/alert.dart';
import '../../../models/banner_item.dart';
import '../../../navigation/navigation.dart';

abstract class OrdersState{}

class OrdersInitial extends OrdersState{}
class OrdersLoading extends OrdersState{}
class OrdersSuccess extends OrdersState{}
class OrdersFailure extends OrdersState{
  String error;
  OrdersFailure(this.error);
}

class OrdersCubit extends Cubit<OrdersState> {
  OrdersCubit() : super(OrdersInitial());
  List<OrderItem> orders = [];
  List<String> urls = [
    "pendingOrderList",
    "CompletedOrderList",
    "cencelledOrderList",
  ];
  int currentIndex = 0;

  void onTap(int index){
    currentIndex = index;
    fetchOrders();
  }

  Future<void> fetchOrders() async{
    emit(OrdersLoading());
    final response = await ApiProvider.instance.fetchOrders(urls[currentIndex]);
    if(response.status ?? false){
      orders = response.orders ?? [];
      emit(OrdersSuccess());
    }else{
      emit(OrdersFailure(response.message ?? "Something went wrong"));
    }
  }

  Future<void> acceptOrder(OrderItem item) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.acceptOrder("${item.id ?? 0}");
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchOrders();
      showToast("Accepted order #${item.id}");
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  Future<void> cancelOrder(OrderItem item) async{
    Navigation.instance.navigate("/loading");
    final response = await ApiProvider.instance.cancelOrder("${item.id ?? 0}");
    Navigation.instance.goBack();
    if(response.status ?? false){
      fetchOrders();
      showToast("Cancelled order #${item.id}");
    }else{
      showAlert(response.message ?? "Something went wrong");
    }
  }

  void showToast(String msg) {
    Fluttertoast.showToast(
        msg: msg,
        toastLength: Toast.LENGTH_SHORT,
        gravity: ToastGravity.BOTTOM,
        timeInSecForIosWeb: 1,
        backgroundColor: Colors.grey.shade200,
        textColor: Colors.black,
        fontSize: 14.0
    );
  }

  void showAlert(String err){
    AlertX.instance.showAlert(
        title: "Error",
        msg: err,
        positiveButtonText: "Done",
        positiveButtonPressed: (){
          Navigation.instance.goBack();
        }
    );
  }

}