using bnhtrade.Core.Data.Amazon.SellingPartnerAPI;
using FikaAmazonAPI;
using FikaAmazonAPI.Utils;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using static FikaAmazonAPI.Utils.Constants;

namespace bnhtrade.Core.Data.Amazon.Feeds
{
    class SubmittFeed
    {
        private AmazonConnection amznConn = new SpApiConnection().Connection;
        private Logic.Log.LogEvent logEvent = new Logic.Log.LogEvent();

        public bool FeedSubmissionRecived { get; set; } = false;

        // make these functions only accept a database object
        public SubmittFeed()
        {
        }

        public Model.Export.AmazonFeedSubmission FlatFileInvLoaderData(System.IO.MemoryStream filestream)
        {
            return Post("POST_FLAT_FILE_INVLOADER_DATA", filestream, "TXT");
        }

        private Model.Export.AmazonFeedSubmission Post(string feedType, System.IO.MemoryStream filestream, string fileExtension)
        {
            throw new NotImplementedException();

            if (filestream.Length == 0) { throw new Exception("Filestreeam  is empty"); }
            if (string.IsNullOrEmpty(fileExtension)) { throw new Exception("Filestreeam  is empty"); }

            var feedresultTXT = amznConn.Feed.SubmitFeed(filestream.ToString()
                                                    , GetFeedType(feedType)
                                                    , new List<string>() { amznConn.GetCurrentMarketplace.ID }
                                                    , null
                                                    , ContentType.TXT);

            string pathURL = string.Empty;
            while (pathURL == string.Empty)
            {
                Thread.Sleep(1000 * 30);
                var feedOutput = amznConn.Feed.GetFeed(feedresultTXT);
                if (feedOutput.ProcessingStatus == FikaAmazonAPI.AmazonSpApiSDK.Models.Feeds.Feed.ProcessingStatusEnum.DONE)
                {
                    var outPut = amznConn.Feed.GetFeedDocument(feedOutput.ResultFeedDocumentId);

                    pathURL = outPut.Url;
                }
            }
        }

        private FeedType GetFeedType(string feedTypeText)
        {
            // add more here as needed
            if (feedTypeText == "POST_FLAT_FILE_INVLOADER_DATA")
            { return FeedType.POST_FLAT_FILE_INVLOADER_DATA; }
            else
            { throw new NotImplementedException("Need to implement feed type for " + feedTypeText); }
        }

        public void SubmitFeed(Model.Export.AmazonFeedSubmission feedSubmission)
        {
            FeedSubmissionRecived = false;

            if (feedSubmission.FileIsSet == false) { throw new Exception("Filestreeam  is empty"); }

            // get feed type
            var feedType = GetFeedType(feedSubmission.FeedType);

            string text = feedSubmission.File.FileData.ToString();

            var feedresultTXT = amznConn.Feed.SubmitFeed(text
                                                    , feedType
                                                    , new List<string>() { amznConn.GetCurrentMarketplace.ID }
                                                    , null
                                                    , ContentType.TXT);

            var result = new FikaAmazonAPI.AmazonSpApiSDK.Models.Feeds.FeedDocument();
            int sleepTime = (1000 * 25);
            int retryCount = 0;
            int retryTimeout = 20;
            UI.Console.Wait("Feed:" + feedType + " submitted to Amazon, awaiting status check.", 5000);
            while (retryCount <= retryTimeout)
            {
                var feedOutput = amznConn.Feed.GetFeed(feedresultTXT);
                if (feedOutput.ProcessingStatus == FikaAmazonAPI.AmazonSpApiSDK.Models.Feeds.Feed.ProcessingStatusEnum.DONE)
                {
                    result = amznConn.Feed.GetFeedDocument(feedOutput.ResultFeedDocumentId);
                    break;
                }
                retryCount++;
                UI.Console.Wait("Feed: " + feedType + ", Processing status: " + feedOutput.ProcessingStatus  + ", Retry: " + retryCount + " of "+ retryTimeout, sleepTime);
            }

            // retry timeout
            if (retryCount > retryTimeout)
            {
                logEvent.LogError("Feed submission timeout. Feedtype:" + feedType + " FeedSubmissionId:" + feedSubmission.FeedSubmissionId);
                return;
            }

            // get and do somehting with this
            string pathURL = string.Empty;
            pathURL = result.Url;
        }
    }
}