using System;
using System.Net;
using System.Net.Http;

namespace Sony.Filtr.SpotifyWebAPI
{
    [Serializable]
    public class SpotifyWebAPIException : Exception
    {
        public SpotifyWebAPIException() { }

        public SpotifyWebAPIException(string message, string method, HttpStatusCode statusCode, string reason, string requestUri, string rawResponse) : base(message)
        {
            this.StatusCode = statusCode;
            this.Method = method;
            this.Reason = reason;
            this.RequestUri = requestUri;
            this.RawResponse = rawResponse;
        }

        public SpotifyWebAPIException(string message, Exception inner) : base(message, inner) { }

        protected SpotifyWebAPIException(
          System.Runtime.Serialization.SerializationInfo info,
          System.Runtime.Serialization.StreamingContext context) : base(info, context) { }

        public readonly HttpStatusCode StatusCode;
        public readonly string Reason;
        public readonly string Method;
        public readonly string RequestUri;
        public readonly string RawResponse;

        public static SpotifyWebAPIException FromHttpResponseMessage(HttpResponseMessage httpResponse, string userMessage = "")
        {
            if (httpResponse == null)
            {
                throw new ArgumentNullException(nameof(httpResponse));
            }

            string method = httpResponse.RequestMessage == null ? String.Empty : httpResponse.RequestMessage.Method.ToString();
            string requestUri = httpResponse.RequestMessage == null ? String.Empty : httpResponse.RequestMessage.RequestUri.ToString();
            string rawResponse = httpResponse.Content.ReadAsStringAsync().Result;

            string message = $"User message: '{userMessage}' " +
                             $"StatusCode: {httpResponse.StatusCode}. " +
                             $"Reason: {httpResponse.ReasonPhrase}. " +
                             $"Method: {method}. " +
                             $"RequestUri: {requestUri}. " +
                             $"Original response: {rawResponse}. ";

            return new SpotifyWebAPIException(
                message,
                method,
                httpResponse.StatusCode,
                httpResponse.ReasonPhrase,
                requestUri,
                rawResponse);
        }
    }
}