using MP.MONO.Core;
using MP.MONO.Core.CONF;
using MP.MONO.Core.DTO;
using MP.MONO.Data;
using MP.MONO.Data.Controllers;
using MP.MONO.Data.DbModels;
using Newtonsoft.Json;
using NLog;
using StackExchange.Redis;
using System.Diagnostics;

namespace MP.MONO.UI.Data
{
    public class CurrentDataService : IDisposable
    {
        #region Public Fields

        /// <summary>
        /// Controller dati da DB
        /// </summary>
        public static MpDbController dbController = null!;

        #endregion Public Fields

        #region Public Constructors

        public CurrentDataService(IConfiguration configuration, ILogger<CurrentDataService> logger, IConnectionMultiplexer redisConn)
        {
            _logger = logger;
            _configuration = configuration;

            // setup compoenti REDIS
            this.redisConn = ConnectionMultiplexer.Connect(_configuration.GetConnectionString("Redis"));
            this.redisDb = this.redisConn.GetDatabase();
            // setup canali pub/sub
            actLogPipe = new MessagePipe(redisConn, Constants.ACT_LOG_M_QUEUE);
            alarmPipe = new MessagePipe(redisConn, Constants.ALARM_M_QUEUE);
            machEvPipe = new MessagePipe(redisConn, Constants.EVENT_LOG_M_QUEUE);
            parametersPipe = new MessagePipe(redisConn, Constants.PARAMS_M_QUEUE);
            productionPipe = new MessagePipe(redisConn, Constants.PROD_M_QUEUE);
            machStatsPipe = new MessagePipe(redisConn, Constants.MACH_STATS_M_QUEUE);
            maintPipe = new MessagePipe(redisConn, Constants.MAINT_STATS_M_QUEUE);
            statusPipe = new MessagePipe(redisConn, Constants.STATUS_M_QUEUE);
            toolsPipe = new MessagePipe(redisConn, Constants.TOOLS_M_QUEUE);

            // conf DB
            string connStr = _configuration.GetConnectionString("MP.MONO.Data");
            if (string.IsNullOrEmpty(connStr))
            {
                _logger.LogError("ConnString empty!");
            }
            else
            {
                dbController = new MpDbController();
                _logger.LogInformation("DbController OK");
            }
        }

        #endregion Public Constructors

        #region Public Properties

        public MessagePipe actLogPipe { get; set; } = null!;
        public MessagePipe alarmPipe { get; set; } = null!;
        public MessagePipe machEvPipe { get; set; } = null!;
        public MessagePipe machStatsPipe { get; set; } = null!;
        public MessagePipe maintPipe { get; set; } = null!;
        public MessagePipe parametersPipe { get; set; } = null!;
        public MessagePipe productionPipe { get; set; } = null!;
        public MessagePipe statusPipe { get; set; } = null!;
        public MessagePipe toolsPipe { get; set; } = null!;

        #endregion Public Properties

        #region Public Methods

        public async Task<List<AlarmLogModel>> AlarmLogGetFilt(int machineId, int skipRec, int numRec)
        {
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            List<AlarmLogModel>? dbResult = dbController.AlarmLogGetFilt(machineId, skipRec, numRec);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB AlarmLogGetFilt: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        public async Task<bool> createMissingSchedTask(int machineId)
        {
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            bool answ = await dbController.SchedMaintTaskCreateMissing(machineId);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata chiamata a createMissingSchedTask: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(answ);
        }

        public async Task<List<DataLogModel>> DataLogGetFilt(int machineId, string fluxType, DateTime inizio, DateTime fine)
        {
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            List<DataLogModel>? dbResult = dbController.DataLogGetFilt(machineId, fluxType, inizio, fine);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB ParamLogGetFilt: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        public void Dispose()
        {
            // Clear database controller
            dbController.Dispose();
        }

        public async Task<List<DisplayDataDTO>> getActLog()
        {
            List<DisplayDataDTO>? dbResult = new List<DisplayDataDTO>();
            string rawData = await redisDb.StringGetAsync(Constants.ACT_LOG_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<DisplayDataDTO>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<DisplayDataDTO>();
            }
            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Conf allarmi (da ADAPTER) senza valori silenziati da app
        /// </summary>
        /// <returns></returns>
        public async Task<List<BaseAlarmConf>> getAlarmConfig()
        {
            List<BaseAlarmConf>? dbResult = new List<BaseAlarmConf>();
            string rawData = await redisDb.StringGetAsync(Constants.ALARMS_CONF_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<BaseAlarmConf>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<BaseAlarmConf>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<string>> getAlarms()
        {
            List<string>? dbResult = new List<string>();
            string rawData = await redisDb.StringGetAsync(Constants.ALARM_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<string>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<string>();
            }
            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Conf allarmi IMPOSTATA con valori silenziati
        /// </summary>
        /// <returns></returns>
        public async Task<List<BaseAlarmConf>> getAlarmSetup()
        {
            List<BaseAlarmConf>? dbResult = new List<BaseAlarmConf>();
            string rawData = await redisDb.StringGetAsync(Constants.ALARMS_SETT_KEY);
            //se non avessi trovato valori cerco quelli di setup...
            if (string.IsNullOrEmpty(rawData))
            {
                rawData = await redisDb.StringGetAsync(Constants.ALARMS_CONF_KEY);
            }
            // ora provo a deserializzare
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<BaseAlarmConf>>(rawData);
            }
            // altrimenti imposto vuoto
            if (dbResult == null)
            {
                dbResult = new List<BaseAlarmConf>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<DisplayDataDTO>> getEventHist()
        {
            List<DisplayDataDTO>? dbResult = new List<DisplayDataDTO>();
            string rawData = await redisDb.StringGetAsync(Constants.EVENT_LOG_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<DisplayDataDTO>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<DisplayDataDTO>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<DisplayDataDTO>> getMaintenance()
        {
            List<DisplayDataDTO>? dbResult = new List<DisplayDataDTO>();
            string rawData = await redisDb.StringGetAsync(Constants.MAINT_STATS_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<DisplayDataDTO>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<DisplayDataDTO>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<MachineMode>> getModesList()
        {
            List<MachineMode>? dbResult = new List<MachineMode>();
            string rawData = await redisDb.StringGetAsync(Constants.MODE_CONF_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<MachineMode>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<MachineMode>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<DisplayDataDTO>> getParameters()
        {
            List<DisplayDataDTO>? dbResult = new List<DisplayDataDTO>();
            string rawData = await redisDb.StringGetAsync(Constants.PARAMS_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<DisplayDataDTO>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<DisplayDataDTO>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<ProductionDTO> getProd()
        {
            ProductionDTO? dbResult = new ProductionDTO();
            string rawData = await redisDb.StringGetAsync(Constants.PROD_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<ProductionDTO>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new ProductionDTO();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<DisplayDataDTO>> getStats()
        {
            List<DisplayDataDTO>? dbResult = new List<DisplayDataDTO>();
            string rawData = await redisDb.StringGetAsync(Constants.MACH_STATS_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<DisplayDataDTO>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<DisplayDataDTO>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<MachineDTO> getStatus()
        {
            MachineDTO? dbResult = new MachineDTO();
            string rawData = await redisDb.StringGetAsync(Constants.STATUS_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<MachineDTO>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new MachineDTO();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<MachineStatus>> getStatusList()
        {
            List<MachineStatus>? dbResult = new List<MachineStatus>();
            string rawData = await redisDb.StringGetAsync(Constants.STATUS_CONF_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<MachineStatus>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<MachineStatus>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<DisplayDataDTO>> getTools()
        {
            List<DisplayDataDTO>? dbResult = new List<DisplayDataDTO>();
            string rawData = await redisDb.StringGetAsync(Constants.TOOLS_CURR_KEY);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<DisplayDataDTO>>(rawData);
            }
            if (dbResult == null)
            {
                dbResult = new List<DisplayDataDTO>();
            }
            return await Task.FromResult(dbResult);
        }

        public async Task<List<PrevMaintTaskModel>> PrevMaintTaskGetFilt(int machineId, int skipRec, int numRec)
        {
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            List<PrevMaintTaskModel>? dbResult = dbController.PrevMaintTaskGetFilt(machineId, skipRec, numRec);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB PrevMaintTaskGetFilt: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        public async Task<List<ScheduledMaintModel>> SchedMaintTaskGetFilt(int machineId, int skipRec, int numRec, bool showCompleted)
        {
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            List<ScheduledMaintModel>? dbResult = dbController.SchedMaintTaskGetFilt(machineId, skipRec, numRec, showCompleted);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB SchedMaintTaskGetFilt: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        public async Task<bool> setAlarmSetup(List<BaseAlarmConf> alarmConf)
        {
            bool answ = false;
            string rawData = JsonConvert.SerializeObject(alarmConf);
            await redisDb.StringSetAsync(Constants.ALARMS_SETT_KEY, rawData);
            return await Task.FromResult(answ);
        }

        #endregion Public Methods

        #region Private Fields

        private static IConfiguration _configuration = null!;
        private static ILogger<CurrentDataService> _logger = null!;
        private static NLog.Logger Log = LogManager.GetCurrentClassLogger();

        /// <summary>
        /// Oggetto per connessione a REDIS
        /// </summary>
        private ConnectionMultiplexer redisConn = null!;

        //ISubscriber sub = redis.GetSubscriber();
        /// <summary>
        /// Oggetto DB redis da impiegare x chiamate R/W
        /// </summary>
        private IDatabase redisDb = null!;

        #endregion Private Fields
    }
}