class JsonSafe {
  static String asString(dynamic value, [String fallback = '']) {
    if (value is String) return value;
    return fallback;
  }

  static String? asStringOrNull(dynamic value) {
    if (value is String) return value;
    return null;
  }

  static int asInt(dynamic value, [int fallback = 0]) {
    if (value is int) return value;
    if (value is num) return value.toInt();
    if (value is String) return int.tryParse(value) ?? fallback;
    return fallback;
  }

  static double asDouble(dynamic value, [double fallback = 0.0]) {
    if (value is double) return value;
    if (value is num) return value.toDouble();
    if (value is String) return double.tryParse(value) ?? fallback;
    return fallback;
  }

  static bool asBool(dynamic value, [bool fallback = false]) {
    if (value is bool) return value;
    if (value is int) return value != 0;
    if (value is String) return value.toLowerCase() == 'true';
    return fallback;
  }
}