public class SearchResponse
    {
        public SearchResponse()
        {
            Mobiles = new List<string>();
        }
        public string Content { get; set; }
        public int Type { get; set; }
        public int Status { get; set; }
        public List<string> Mobiles { get; set; }
        [SerializeAs(Name = "_id", Attribute = true)]
        public string Id { get; set; }
    }

public static class Sms
    {
        private static RestClient _client;
        private static string Host { get; set; }
        public static void Init(string host)
        {
            Host = host;
            _client = new RestClient(Host);
        }
        public static async Task<Response> SendAsync(List<SendEntity> sendList)
        {
            var request = new RestRequest("sms", Method.POST) { RequestFormat = DataFormat.Json };
            request.AddBody(sendList);
            var response = await _client.ExecuteTaskAsync(request);
            return ToResponse(response);
        }
        public static async Task<Response> SendAsync(SendEntity sendEntity)
        {
            return await SendAsync(new List<SendEntity> { sendEntity });
        }
        public static Response Send(List<SendEntity> sendList)
        {
            var request = new RestRequest("sms", Method.POST) { RequestFormat = DataFormat.Json };
            request.AddBody(sendList);
            var response = _client.Execute(request);
            return ToResponse(response);
        }
        public static Response Send(SendEntity sendEntity)
        {
            return Send(new List<SendEntity> { sendEntity });
        }
        public static Response<SearchResponse> Get(string id)
        {
            var request = new RestRequest("sms/{id}", Method.GET);
            request.AddUrlSegment("id", id);
            var response = _client.Execute<SearchResponse>(request);
            return ToResponse(response);
        }
        public static Response<List<SearchResponse>> Search(SearchEntity searchModel)
        {
            var request = new RestRequest("sms/_search", Method.POST) { RequestFormat = DataFormat.Json };
            request.AddBody(searchModel);
            var response = _client.Execute<List<SearchResponse>>(request);
            return ToResponse(response);
        }
        private static Response<T> ToResponse<T>(IRestResponse<T> t)
        {
            var msg = t.IsSuccessful ? t.StatusCode.ToString() : t.Content;
            return new Response<T> { Body = t.Data, StateCode = t.StatusCode, Message = t.ErrorMessage ?? msg, IsSuccess = t.IsSuccessful };
        }
        private static Response ToResponse(IRestResponse t)
        {
            var msg = t.IsSuccessful ? t.StatusCode.ToString() : t.Content;
            return new Response { StateCode = t.StatusCode, Message = t.ErrorMessage ?? msg, IsSuccess = t.IsSuccessful };
        }
    }