using System;
using System.Collections.Generic;
using System.Text.Json;
using System.Threading.Tasks;
using Azure.Cosmos;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Host;
using Microsoft.Extensions.Logging;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;

namespace TEAMModelFunction
{
    public   class ServiceBusTopic
    {
        private readonly AzureCosmosFactory _azureCosmos;
        public ServiceBusTopic(  AzureCosmosFactory azureCosmos)
        {
            _azureCosmos = azureCosmos;
        }
        [FunctionName("ServiceBusTopic")]
        public async Task Run([ServiceBusTrigger("test_topic_ActiveTask", "test_topic_ReciveTask", Connection = "ConnectionBusName")] string mySbMsg, ILogger log)
        {
            log.LogInformation($"C# ServiceBus topic trigger function processed message: {mySbMsg}");
            Dictionary<string, object> keyValuePairs = mySbMsg.ToObject<Dictionary<string, object>>();
            var client = _azureCosmos.GetCosmosClient();
            keyValuePairs.TryGetValue("id", out object id);
            keyValuePairs.TryGetValue("name", out object name);
            keyValuePairs.TryGetValue("code", out object code);
            //keyValuePairs.TryGetValue("status", out object progress);
            if (name.ToString().Equals("ExamInfo")) {
                ExamInfo exam = await client.GetContainer("TEAMModelOS", "Common").ReadItemAsync<ExamInfo>(id.ToString(), new PartitionKey($"{code}"));
                if (DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(exam.startTime) > 0 && DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(exam.endTime) < 0) {
                    exam.progress = "going";
                } else if (DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(exam.endTime) > 0) {
                    exam.progress = "finish";
                }               
                await client.GetContainer("TEAMModelOS", "Common").ReplaceItemAsync(exam, id.ToString(), new PartitionKey($"{code}"));
            } else if (name.ToString().Equals("Survey")) {
                Survey survey = await client.GetContainer("TEAMModelOS", "Common").ReadItemAsync<Survey>(id.ToString(), new PartitionKey($"{code}"));
                if (DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(survey.startTime) > 0 && DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(survey.endTime) < 0)
                {
                    survey.progress = "going";
                }
                else if (DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(survey.endTime) > 0)
                {
                    survey.progress = "finish";
                }
                await client.GetContainer("TEAMModelOS", "Common").ReplaceItemAsync(survey, id.ToString(), new PartitionKey($"{code}"));
            } else if (name.ToString().Equals("Vote")) {
                Vote vote;
                var sresponse = await client.GetContainer("TEAMModelOS", "Common").ReadItemStreamAsync(id.ToString(), new PartitionKey($"{code}"));
                if (sresponse.Status == 200)
                {
                    using var json = await JsonDocument.ParseAsync(sresponse.ContentStream);
                    vote = json.ToObject<Vote>();
                    if (DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(vote.startTime) > 0 && DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(vote.endTime) < 0)
                    {
                        vote.progress = "going";
                    }
                    else if (DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().CompareTo(vote.endTime) > 0)
                    {
                        vote.progress = "finish";
                    }
                    await client.GetContainer("TEAMModelOS", "Common").ReplaceItemAsync(vote, id.ToString(), new PartitionKey($"{code}"));
                }
            }
                

        }
    }
}