using Google.Protobuf;
using Grpc.Core;
using Grpc.Extension.Abstract;
using Microsoft.AspNetCore.Authorization;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using TEAMModelGrpc.Models;
using TEAMModelOS.SDK.Helper.Common.JsonHelper;
using TEAMModelOS.SDK.Module.AzureCosmosDBV3;
using TEAMModelOS.Service.Models.Syllabus;
using TEAMModelOS.Service.Services.Syllabus.Interface;

namespace TEAMModelGrpc.Services
{
    /// <summary>
    /// 
    /// </summary>
    public class KnowledgeService : IGrpcService
    {
        private IAzureCosmosDBV3Repository cosmosDBV3Repository;
        private IKnowledgeService knowledgeService;

        public KnowledgeService(IAzureCosmosDBV3Repository cosmosDBV3Repository, IKnowledgeService knowledgeService)
        {
            this.cosmosDBV3Repository = cosmosDBV3Repository;
            this.knowledgeService = knowledgeService;
        }

        [Authorize]
        public async Task FinKnowledge(Dict request, IServerStreamWriter<Knowledge> responseStream, ServerCallContext context)
        {
            Dictionary<string, object> keyValuePairs = new Dictionary<string, object>();
            keyValuePairs = request.ToDict();
            List<Knowledge> knowledges = await cosmosDBV3Repository.FindByDict<Knowledge>(keyValuePairs);
            knowledges.ForEach(x =>
            {
                responseStream.WriteAsync(x);
            });
        }


        [Authorize]
        public async Task SaveKnowledge(IAsyncStreamReader<Knowledge> requestStream, IServerStreamWriter<Knowledge> responseStream, ServerCallContext context)
        {
            //Dictionary<string, object> keyValuePairs = new Dictionary<string, object>();
            //keyValuePairs = request.ToDict();
            List<Knowledge> knowledges = new List<Knowledge>();
            await foreach (var message in requestStream.ReadAllAsync())
            {
                knowledges.Add(message);
            }

            await knowledgeService.SaveOrUpdateKnowledge(knowledges);

            knowledges.ForEach(x =>
            {
                responseStream.WriteAsync(x);
            });
        }


        public async Task<ListPid> DeleteKnowledge(ListPid listPid, ServerCallContext context)
        {
           List<IdPk> idPks = await cosmosDBV3Repository.DeleteAll<Knowledge>(listPid.ids);

            listPid.idPks = idPks;
            return listPid;
        }

    }
}