using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using PARR.API.Contracts.V1;
using PARR.API.Contracts.V1.Responses.Base;
using PARR.API.Contracts.V1.Responses.Statistics;
using PARR.API.Controllers.V1.Base;
using PARR.API.Settings;
using PARR.BLL.Services.Interfaces;
using PARR.Constants;

namespace PARR.API.Controllers.V1.Statistics
{
    /// <summary>
    /// Статистика RabbitMQ
    /// </summary>
    [Authorize(Roles = ParrRoles.Administrator.Role)]
    public class StatRabbitMqController : BaseApiController
    {
        private readonly IMqService mqService;
        private readonly MqSettings mqSettings;
        private readonly ILogger<StatRabbitMqController> logger;

        public StatRabbitMqController(IMqService mqService, MqSettings mqSettings, ILogger<StatRabbitMqController> logger)
        {
            this.mqService = mqService;
            this.mqSettings = mqSettings;
            this.logger = logger;
        }

        /// <summary>
        /// Статистика очередей в RabbitMQ
        /// </summary>
        /// <returns></returns>
        [HttpGet(ApiRoutes.StatRabbitMq.GetQueueStats)]
        public IActionResult GetQueueStats()
        {
            var response = new List<StatRabbitMqQueueResponse>();

            // список очередей
            foreach (var queue in mqSettings.Statistics.QueueList)
            {
                var result = mqService.GetQueueCount(mqSettings.Statistics.StatMqAuth, queue);

                if (!result.IsSuccess)
                {
                    logger.LogError(result.Exception, $"Ошибка при запросе статистики из RabbitMQ для очереди: ${queue}");
                    return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = $"" } }));
                }

                response.Add(new StatRabbitMqQueueResponse { Name = queue, Consumers = result.ConsumerCount, MessagesTotal = result.Count });
            }

            return Ok(new Response<List<StatRabbitMqQueueResponse>>(response.OrderBy(t => t.Name).ToList(), true));
        }
    }
}