using System;
using System.Net;
using System.Text;
using Exortech.NetReflector;
using ThoughtWorks.CruiseControl.Core;
using ThoughtWorks.CruiseControl.Core.Util;
using ThoughtWorks.CruiseControl.Remote;

namespace NabaztagCruiseControlPlugin
{
    [ReflectorType("nabaztag")]
    public class NabaztagPublisher: ITask
    {
        private const int SuccessEarPosition = 0;
        private const int FailureEarPosition = 9;
        private const string NabaztagUrlFormat =
@"http://api.nabaztag.com/vl/FR/api.jsp?key={0}&sn={1}&token={2}&posleft={3}&posright={3}&ears=ok&voice=graham22s&tts={4}";

        private readonly WebClient _client;

        private string _key;
        private string _token;
        private string _serialNumber;
        private string _pronounceableName;

        public NabaztagPublisher()
        {
            _client = new WebClient();
            _client.DownloadStringCompleted += new DownloadStringCompletedEventHandler(WebClientDownloadStringCompleted);
        }

        [ReflectorProperty("key")]
        public string Key
        {
            get { return _key; }
            set { _key = value; }
        }

        [ReflectorProperty("token")]
        public string Token
        {
            get { return _token; }
            set { _token = value; }
        }

        [ReflectorProperty("serialNumber")]
        public string SerialNumber
        {
            get { return _serialNumber; }
            set { _serialNumber = value; }
        }

        [ReflectorProperty("pronounceableName", Required=false)]
        public string PronounceableName
        {
            get { return _pronounceableName; }
            set { _pronounceableName = value; }
        }

        public void Run(IIntegrationResult result)
        {
            string name = PronounceableName ?? result.ProjectName;
            string message;
            int earPosition;
            switch (result.Status)
            {
                case IntegrationStatus.Success:
                    earPosition = SuccessEarPosition;
                    if (result.LastIntegrationStatus == IntegrationStatus.Success)
                        message = string.Format(
                            "Yet another successful build for {0}.", name);
                    else
                        message = string.Format(
                            "Recent check ins have fixed the build for {0}.", name);
                    break;
                case IntegrationStatus.Failure:
                    earPosition = FailureEarPosition;
                    if (result.LastIntegrationStatus == IntegrationStatus.Success)
                        message = string.Format(
                            "The build has failed for {0}. Oh dear.", name);
                    else
                        message = string.Format(
                            "The build is still broken for {0} people! Get your act together. Deary me.", name);
                    break;
                case IntegrationStatus.Exception:
                    earPosition = FailureEarPosition;
                    message = string.Format(
                        "Oh dear. The build has failed due to an exception for project {0}. This sucks.", name);
                    break;
                case IntegrationStatus.Unknown:
                default:
                    earPosition = FailureEarPosition;
                    message = string.Format(
                        "Oh dear. The build has failed due to an unknown reason for project {0}. This sucks.", name);
                    break;
            }
            
            Uri uri = new Uri(
                string.Format(NabaztagUrlFormat, Key, SerialNumber, Token, earPosition, Uri.EscapeDataString(message)));
            _client.DownloadStringAsync(uri, uri);
        }

        void WebClientDownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
        {
            Log.Debug(string.Format("Nabaztag API: {0}", e.UserState));
            if (e.Error != null)
                Log.Error(e.Error);
            else
                Log.Debug(e.Result);
        }
    }
}