using Microsoft.VisualBasic;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using StackExchange.Redis;
using NLog;
using Maat.Core.CONF;

namespace Maat.Core
{
    public class ConfigManager
    {
        #region Public Constructors

        public ConfigManager(string redisConf, string confDirPath)
        {
            confPath = confDirPath;
            ConnectionMultiplexer.SetFeatureFlag("preventthreadtheft", true);
            ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(redisConf);
            redisDb = redis.GetDatabase();
        }

        #endregion Public Constructors

#if false
        /// <summary>
        /// Verifica se alarm log sia attivato (da DECODER; in REDIS)
        /// </summary>
        public bool AlarmLogActive
        {
            get
            {
                bool answ = false;
                string rawVal = redisDb.StringGet(Constants.ALARM_LOG_ENABLED);
                if (!string.IsNullOrEmpty(rawVal))
                {
                    bool.TryParse(rawVal, out answ);
                }
                return answ;
            }
            set => redisDb.StringSet(Constants.ALARM_LOG_ENABLED, $"{value}");
        }
        public List<DisplayDataDTO> getActLog(string fileName = "ActLog.json")
        {
            List<DisplayDataDTO>? currConf = null;
            string fullPath = Path.Combine(confPath, fileName);
            if (File.Exists(fullPath))
            {
                var rawData = File.ReadAllText(fullPath);
                if (!string.IsNullOrEmpty(rawData))
                {
                    currConf = JsonConvert.DeserializeObject<List<DisplayDataDTO>>(rawData);
                    // salvo in redis!
                    redisDb.StringSetAsync(Constants.ACTLOG_CONF_KEY, JsonConvert.SerializeObject(currConf));
                }
            }
            if (currConf == null)
            {
                currConf = new List<DisplayDataDTO>();
            }
            return currConf;
        }
#endif

        #region Public Methods

        public JobConfigConf getJobConfig(string JobConfigFile = "JobConfig.json")
        {
            JobConfigConf? currConf = null;
            // leggo la JobConfig.conf
            Log.Info($"Reading JobConfigFile: {JobConfigFile}");
            string jcfPath = Path.Combine(confPath, JobConfigFile);
            if (!File.Exists(jcfPath))
            {
                Log.Error($"Conf file not found: {jcfPath}");
            }
            else
            {
                string rawData = File.ReadAllText(jcfPath);
                if (string.IsNullOrEmpty(rawData))
                {
                    Log.Error($"Conf file empty: {jcfPath}");
                }
                else
                {
                    try
                    {
                        JobConfigConf? jcData = JsonConvert.DeserializeObject<JobConfigConf>(rawData);
                        if (jcData != null)
                        {
                            currConf = jcData;
                            // salvo in redis!
                            redisDb.StringSetAsync(Const.JOB_CONF_KEY, JsonConvert.SerializeObject(currConf));
                            Log.Info("JobConfigFile deserialization complete!");
                        }
                        else
                        {
                            Log.Error($"JobConfigFile empty: {jcfPath}");
                        }
                    }
                    catch (Exception exc)
                    {
                        Log.Fatal($"Error during JobCOnfigFile parsing{Environment.NewLine}{exc}");
                    }
                }
            }
            // verifica finale null...
            if (currConf == null)
            {
                currConf = new JobConfigConf();
            }
            return currConf;
        }

        #endregion Public Methods

        #region Protected Fields

        protected string confPath = "";

        #endregion Protected Fields

        #region Protected Properties

        protected IDatabase redisDb { get; set; } = null!;

        #endregion Protected Properties

        #region Private Fields

        private Logger Log = LogManager.GetCurrentClassLogger();

        #endregion Private Fields
    }
}