using Microsoft.Extensions.Logging;
using PARR.BLL.Services.Interfaces;
using PARR.DAL.Contracts;
using PARR.DAL.Models;
using PARR.EsppScheduleSync.Domain;
using PARR.EsppScheduleSync.Settings;
using PARR.EsppSync;

namespace PARR.EsppScheduleSync
{
    internal class ScheduleSyncher : IScheduleSyncher
    {
        private readonly ILogger<ScheduleSyncher> logger;
        private readonly GlobalSettings globalSettings;
        private readonly IMqService mqService;
        private readonly ISyncService<EsppObjectSchedule> syncService;
        private readonly SettingsFromDb settingsFromDb;

        public ScheduleSyncher(
            ILogger<ScheduleSyncher> logger,
            GlobalSettings globalSettings,
            IMqService mqService,
            ISyncService<EsppObjectSchedule> syncService,
            SettingsFromDb settingsFromDb
            )
        {
            this.logger = logger;
            this.globalSettings = globalSettings;
            this.mqService = mqService;
            this.syncService = syncService;
            this.settingsFromDb = settingsFromDb;

            if (globalSettings.MqSettings == null)
            {
                logger.LogError("Нет секции настроек хранилища. MqSettings, EsppTemplates");
                throw new Exception("Нет секции настроек хранилища. MqSettings, EsppTemplates");
            }
        }


        public void Start()
        {
            var isConnected = mqService.InitConsumer(globalSettings!.MqSettings!, SyncScheduleAsync);

            if (!isConnected)
                throw new Exception("Ошибка при подключении к RabbitMq");

            logger.LogInformation($"Запущена проверка очереди {globalSettings.MqSettings!.QueueName}.");
        }


        public void Stop()
        {
            mqService.Dispose();

            logger.LogInformation($"=== === === Соединение с очередью {globalSettings.MqSettings!.QueueName} закрыто === === ===");
        }


        private async Task SyncScheduleAsync(string str)
        {
            await syncService.SyncEsppObjectAsync(str, ParseStrToEsppObject, ConvertDbObjToEsppObj);
        }


        /// <summary>
        /// Преобразование модели БД в модель для сравнения
        /// </summary>
        /// <param name="template"></param>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        private EsppObjectSchedule ConvertDbObjToEsppObj(Template template)
        {
            //todo:
            throw new NotImplementedException();
        }


        /// <summary>
        /// Парсинг из строки в модель для сравнения
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        private EsppObjectSchedule? ParseStrToEsppObject(string str)
        {
            //todo:
            throw new NotImplementedException();
        }
    }
}