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

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

        public MenuData(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.MpSpecController(configuration);
                StringBuilder sb = new StringBuilder();
                sb.AppendLine($"MenuData | MpSpecController OK");
                Log.Info(sb.ToString());
            }
        }

        #endregion Public Constructors

        #region Public Properties

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

        #endregion Public Properties

        #region Public Methods

        public Task<List<ConfigModel>> ConfigGetAll()
        {
            return Task.FromResult(dbController.ConfigGetAll().ToList());
        }

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

        /// <summary>
        /// Elenco link JQM dato filtro tipo
        /// </summary>
        /// <param name="tipoLink"></param>
        /// <returns></returns>
        public async Task<List<LinkMenu>> ListLinkFilt(string tipoLink)
        {
            string source = "DB";
            Stopwatch sw = new Stopwatch();
            sw.Start();
            List<LinkMenu>? result = new List<LinkMenu>();
            // cerco in redis...
            string currKey = $"{redisMenuDataKey}:{tipoLink}";
            RedisValue rawData = await redisDb.StringGetAsync(currKey);
            if (!string.IsNullOrEmpty($"{rawData}"))
            {
                result = JsonConvert.DeserializeObject<List<LinkMenu>>($"{rawData}");
                source = "REDIS";
            }
            else
            {
                result = await Task.FromResult(dbController.ListLinkFilt(tipoLink));
                // serializzp e salvo...
                rawData = JsonConvert.SerializeObject(result);
                await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
            }
            if (result == null)
            {
                result = new List<LinkMenu>();
            }
            sw.Stop();
            Log.Debug($"ListLinkFilt | tipoLink: {tipoLink} | {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 IConfiguration _configuration = null!;

        private static Logger Log = LogManager.GetCurrentClassLogger();
        private string redisMenuDataKey = "MP:ALL:Cache:Menu";

        #endregion Private Fields
    }
}