import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:flutter/material.dart';

export 'toastification.dart';

extension StatefulWidgetExtensions on State<StatefulWidget> {
  /// Check if the widget exist before safely setting state.
  void safeSetState(VoidCallback fn) {
    if (mounted) {
      // ignore: invalid_use_of_protected_member
      setState(fn);
    }
  }
}

String? stringFromJson(dynamic json) {
  if (json is String && json.isNotEmpty) return json;
  return null;
}

double? doubleFromJson(dynamic json) {
  if (json is double) return json;
  return null;
}

int? intFromJson(dynamic json) {
  if (json is int) return json;
  return null;
}

T? objectFromJson<T>(dynamic json, T Function(Map<String, dynamic>) fromJson) {
  if (json is Map<String, dynamic>) return fromJson(json);
  return null;
}

List<T>? listFromJson<T>(
  dynamic json,
  T Function(Map<String, dynamic>) fromJson,
) {
  if (json is List) {
    return json
        .whereType<Map<String, dynamic>>()
        .map((e) => fromJson(e))
        .toList();
  }
  return null;
}

Future<bool> checkInternetConnexion() async {
  final List<ConnectivityResult> connectivityResult = await (Connectivity()
      .checkConnectivity());

  // This condition is for demo purposes only to explain every connection type.
  // Use conditions which work for your requirements.
  if (connectivityResult.contains(ConnectivityResult.mobile)) {
    // Mobile network available.
    return true;
  } else if (connectivityResult.contains(ConnectivityResult.wifi)) {
    // Wi-fi is available.
    // Note for Android:
    // When both mobile and Wi-Fi are turned on system will return Wi-Fi only as active network type
    return true;
  } else if (connectivityResult.contains(ConnectivityResult.ethernet)) {
    // Ethernet connection available.
    return true;
  } else if (connectivityResult.contains(ConnectivityResult.vpn)) {
    // Vpn connection active.
    // Note for iOS and macOS:
    // There is no separate network interface type for [vpn].
    // It returns [other] on any device (also simulator)
    return true;
  } else if (connectivityResult.contains(ConnectivityResult.bluetooth)) {
    // Bluetooth connection available.
    return false;
  } else if (connectivityResult.contains(ConnectivityResult.other)) {
    // Connected to a network which is not in the above mentioned networks.
    return false;
  } else if (connectivityResult.contains(ConnectivityResult.none)) {
    // No available network types
    return false;
  } else {
    return false;
  }
}