using Microsoft.Extensions.Configuration;
using MP.Data.DatabaseModels;
using Newtonsoft.Json;
using NLog;
using StackExchange.Redis;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Threading.Tasks;

namespace MP.Data.Services
{
    public class TabDataService : BaseServ, IDisposable
    {
        #region Public Constructors

        public TabDataService(IConfiguration configuration)
        {
            _configuration = configuration;

            // setup compoenti REDIS
            redisConn = ConnectionMultiplexer.Connect(_configuration.GetConnectionString("Redis"));
            redisDb = redisConn.GetDatabase();

            // conf DB
            string connStr = _configuration.GetConnectionString("Mp.All");
            if (string.IsNullOrEmpty(connStr))
            {
                Log.Error("ConnString empty!");
            }
            else
            {
                dbController = new Controllers.MpTabController(configuration);
                StringBuilder sb = new StringBuilder();
                sb.AppendLine($"TabDataService | MpTabController OK");
                Log.Info(sb.ToString());
            }
        }

        #endregion Public Constructors

        #region Public Properties

        public static Controllers.MpTabController dbController { get; set; } = null!;

        #endregion Public Properties

        #region Public Methods

        public async Task<List<AnagEventiModel>> AnagEventiGetAll()
        {
            // setup parametri costanti
            DateTime startDate = new DateTime(2000, 1, 1);
            DateTime endDate = DateTime.Today.AddDays(1);
            string source = "DB";
            Stopwatch sw = new Stopwatch();
            sw.Start();
            List<AnagEventiModel>? result = new List<AnagEventiModel>();
            // cerco in redis...
            string currKey = $"{redisBaseKey}:AnagEventi";
            RedisValue rawData = await redisDb.StringGetAsync(currKey);
            if (!string.IsNullOrEmpty($"{rawData}"))
            {
                result = JsonConvert.DeserializeObject<List<AnagEventiModel>>($"{rawData}");
                source = "REDIS";
            }
            else
            {
                result = dbController.AnagEventiGetAll();
                // serializzp e salvo...
                rawData = JsonConvert.SerializeObject(result);
                await redisDb.StringSetAsync(currKey, rawData, LongCache);
            }
            if (result == null)
            {
                result = new List<AnagEventiModel>();
            }
            sw.Stop();
            Log.Debug($"AnagEventiGetAll | {source} | {sw.Elapsed.TotalMilliseconds}ms");
            return result;
        }

        /// <summary>
        /// Config values attivi
        /// </summary>
        /// <returns></returns>
        public async Task<List<ConfigModel>> ConfigGetAll()
        {
            string source = "DB";
            Stopwatch sw = new Stopwatch();
            sw.Start();
            List<ConfigModel>? result = new List<ConfigModel>();
            // cerco in redis...
            string currKey = $"{redisBaseKey}:Conf";
            RedisValue rawData = await redisDb.StringGetAsync(currKey);
            if (!string.IsNullOrEmpty($"{rawData}"))
            {
                result = JsonConvert.DeserializeObject<List<ConfigModel>>($"{rawData}");
                source = "REDIS";
            }
            else
            {
                result = await Task.FromResult(dbController.ConfigGetAll());
                // serializzp e salvo...
                rawData = JsonConvert.SerializeObject(result);
                await redisDb.StringSetAsync(currKey, rawData, LongCache);
            }
            if (result == null)
            {
                result = new List<ConfigModel>();
            }
            sw.Stop();
            Log.Debug($"ConfigGetAll | {source} | {sw.Elapsed.TotalMilliseconds}ms");
            return result;
        }

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

        /// <summary>
        /// Recupero Righe (Actual) della scheda tecnica da GRUPPO + ODL
        /// </summary>
        /// <param name="codGruppo"></param>
        /// <param name="idxODL"></param>
        /// <returns></returns>
        public async Task<List<ST_ActRow>> STAR_byGrpOdl(string codGruppo, int idxODL)
        {
            // setup parametri costanti
            string source = "DB";
            Stopwatch sw = new Stopwatch();
            sw.Start();
            List<ST_ActRow>? result = new List<ST_ActRow>();
            // cerco in redis...
            string currKey = $"{redisBaseKey}:START:{codGruppo}:{idxODL}";
            RedisValue rawData = await redisDb.StringGetAsync(currKey);
            if (!string.IsNullOrEmpty($"{rawData}"))
            {
                result = JsonConvert.DeserializeObject<List<ST_ActRow>>($"{rawData}");
                source = "REDIS";
            }
            else
            {
                result = dbController.STAR_byGrpOdl(codGruppo, idxODL);
                // serializzp e salvo...
                rawData = JsonConvert.SerializeObject(result);
                await redisDb.StringSetAsync(currKey, rawData, LongCache);
            }
            if (result == null)
            {
                result = new List<ST_ActRow>();
            }
            sw.Stop();
            Log.Debug($"STAR_byGrpOdl | {source} | {sw.Elapsed.TotalMilliseconds}ms");
            return result;
        }
        /// <summary>
        /// Recupero Righe (Actual) della scheda tecnica da GRUPPO + ODL
        /// </summary>
        /// <param name="codGruppo"></param>
        /// <param name="label"></param>
        /// <param name="idxODL"></param>
        /// <returns></returns>
        public async Task<List<ST_ActRow>> STAR_byGrpOdlLbl(string codGruppo, string label, int idxODL)
        {
            // setup parametri costanti
            string source = "DB";
            Stopwatch sw = new Stopwatch();
            sw.Start();
            List<ST_ActRow>? result = new List<ST_ActRow>();
            // cerco in redis...
            string currKey = $"{redisBaseKey}:START:{codGruppo}:{label}:{idxODL}";
            RedisValue rawData = await redisDb.StringGetAsync(currKey);
            if (!string.IsNullOrEmpty($"{rawData}"))
            {
                result = JsonConvert.DeserializeObject<List<ST_ActRow>>($"{rawData}");
                source = "REDIS";
            }
            else
            {
                result = dbController.STAR_byGrpOdlLbl(codGruppo, label, idxODL);
                // serializzp e salvo...
                rawData = JsonConvert.SerializeObject(result);
                await redisDb.StringSetAsync(currKey, rawData, LongCache);
            }
            if (result == null)
            {
                result = new List<ST_ActRow>();
            }
            sw.Stop();
            Log.Debug($"STAR_byGrpOdlLbl | {source} | {sw.Elapsed.TotalMilliseconds}ms");
            return result;
        }

        #endregion Public Methods

        #region Protected Fields

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

        /// <summary>
        /// Oggetto DB redis da impiegare x chiamate R/W
        /// </summary>
        protected IDatabase redisDb = null!;

        #endregion Protected Fields

        #region Private Fields

        private static Logger Log = LogManager.GetCurrentClassLogger();
        private string redisBaseKey = "MP:TAB:Cache";

        #endregion Private Fields
    }
}