using UnityEngine;
using BitStrap;
using System.Diagnostics;
using JsonFx.Json;

public sealed class DebugServerSession : MonoBehaviour
{
    public TextAsset rubyCodeAsset;
    public int repeatCount = 50;

    private string requestJson = "[[\"device_identifier\",\"n/a\"],[\"email\",\"carles@trail.gg\"],[\"password\",\"Khae3953\"]]";

    [Button]
    public void Run()
    {
        for( var i = 0; i < repeatCount; i++ )
        {
            var createSessionJson = RunRubyFunction( "create_session" );
            var session = JsonReader.Deserialize<SessionModel>( createSessionJson );
            var serverTempDigest = JsonReader.Deserialize<string[]>( session.digest );
            var publicKey = SecurityUtil.CreateSessionHandShake( session );
            var serverDigest = RunRubyFunction( "hand_shake", "\"{0}\",\"{1}\",\"{2}\",\"{3}\"", serverTempDigest[0], serverTempDigest[1], session.pub_key, publicKey ).TrimEnd();

            var serverSignatue = RunRubyFunction( "get_signature", "\"{0}\",\"{1}\"", requestJson.Replace( "\"", "\\\"" ), serverDigest ).TrimEnd();
            SecurityUtil.CreateNewMd5();
            var clientSignature = SecurityUtil.Digest( requestJson + session.digest );

            if( !string.Equals( serverDigest, session.digest ) || !string.Equals( serverSignatue, clientSignature ) )
            {
                UnityEngine.Debug.LogFormat(
                    "OOOHH WE GOT SOMETHING\npublicKey: {0}\nclientDigest: '{1}'\nserverDigest: '{2}'\np: {3}\ng: {4}\npub_key: {5}\nserverSignature: '{6}'\nclientSignature: '{7}'",
                    publicKey,
                    session.digest,
                    serverDigest,
                    session.p,
                    session.g,
                    session.pub_key,
                    serverSignatue,
                    clientSignature
                );
                return;
            };

            // var serverSignatue = RunRubyFunction( "get_signature", "\"{0}\",\"{1}\"", requestJson, serverDigest );
            // var clientSignature = SecurityUtil.Digest( requestJson + session.digest );

            // if( serverSignatue != clientSignature )
            // {
            //  UnityEngine.Debug.LogFormat(
            //      "OOOHH WE GOT SOMETHING\njson: {0}\npublicKey: {1}\nserverDigest: {2}\nserverSignature: {3}\nclientSignature: {4}",
            //      JsonWriter.Serialize( session ),
            //      publicKey,
            //      serverDigest,
            //      serverSignatue,
            //      clientSignature
            //  );

            //  return;
            // }
        }

        UnityEngine.Debug.Log( "NOT THIS TIME :((" );
    }

    private string RunRubyFunction( string functionName, string argFormat = "", params object[] args )
    {
        var runLine = string.Format( "\nputs {0}({1})", functionName, string.Format( argFormat, args ) );
        // UnityEngine.Debug.Log( runLine );
        return RunRuby( rubyCodeAsset.text + runLine );
    }

    private static string RunRuby( string code )
    {
        using( var process = new Process() )
        {
            process.StartInfo.FileName = "ruby.exe";
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.RedirectStandardInput = true;
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardError = true;
            process.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
            process.Start();
            process.StandardInput.WriteLine( code );
            process.StandardInput.Flush();
            process.StandardInput.Close();
            var output = process.StandardOutput.ReadToEnd();
            var error = process.StandardError.ReadToEnd();
            process.WaitForExit();

            if( !string.IsNullOrEmpty( error ) )
                throw new System.Exception( error );

            return output;
        }
    }
}