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}");
            var client = _azureCosmos.GetCosmosClient();
            List<object> classes = new List<object>();
            await foreach (var item in client.GetContainer("TEAMModelOS", "Common").GetItemQueryStreamIterator(queryText: $"select value(c) from c",requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Exam-hbcn") }))
            {
                using var json = await JsonDocument.ParseAsync(item.ContentStream);
                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                {
                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        classes.Add(obj.ToObject<object>());
                    }
                }
            }
        }
    }
}