using Microsoft.Extensions.Configuration;
using MP.AppAuth.DTO;
using MP.AppAuth.Models;
using Newtonsoft.Json;
using NLog;
using RestSharp;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using static System.Net.Mime.MediaTypeNames;

namespace MP.AppAuth.Services
{
    public class SyncService
    {
        #region Public Constructors

        /// <summary>
        /// Init classe
        /// </summary>
        /// <param name="configuration"></param>
        public SyncService(IConfiguration configuration)
        {
            _configuration = configuration;

            // sistemo conf secondo Target compilazione
#if DEBUG_LIMANDEBUG
            apiUrl = "https://localhost:5003/";
#else
            apiUrl = "https://liman.egalware.com/ELM.API/";
#endif
            // fix opzioni base del RestClient
            restOptStd = new RestClientOptions
            {
                Timeout = TimeSpan.FromSeconds(60),
                BaseUrl = new Uri(apiUrl)
            };
        }

        #endregion Public Constructors

        #region Public Properties

        public List<AnagKeyValueModel> AKVList { get; set; } = new List<AnagKeyValueModel>();
        public string Applicazione { get; set; } = "";

        /// <summary>
        /// Codice cliente/installazione
        /// </summary>
        public string Installazione { get; set; } = "";

        /// <summary>
        /// Master key licenza principale
        /// </summary>
        public string MasterKey { get; set; } = "";

        #endregion Public Properties

        #region Public Methods

        /// <summary>
        /// Stato server gestione licenze
        /// </summary>
        public async Task<string> checkLimanServer()
        {
            string answ = "ND";
            // cerco online
            RestClient client = new RestClient(apiUrl);
            var request = new RestRequest($"api/health", Method.Get);
            var response = await client.GetAsync(request);
            // controllo risposta
            if (response.StatusCode == System.Net.HttpStatusCode.OK)
            {
                // verifico risposta
                if (response.Content != null)
                {
                    answ = response.Content.Replace("\"", "");
                }
            }
            return answ;
        }

        /// <summary>
        /// Init della classe con variabili di base da Redis/DB
        /// </summary>
        public bool InitAkv()
        {
            bool fatto = false;
            Applicazione = "MAPO";
            Installazione = getAVKStr("Installazione");
            MasterKey = getAVKStr(Applicazione);
            fatto = !string.IsNullOrEmpty($"{Installazione}{MasterKey}");
            return fatto;
        }

        /// <summary>
        /// Lista record AnagKeyVal
        /// </summary>
        public async Task<List<AnagKeyValueModel>?> OnlineListAnagKeyVal()
        {
            List<AnagKeyValueModel>? answ = new List<AnagKeyValueModel>();
            // cerco online
            RestClient client = new RestClient(apiUrl);
            string MKeyEnc = HttpUtility.UrlEncode(MasterKey);
            var request = new RestRequest($"api/dbsync/anagkeyval/{Installazione}?CodApp={Applicazione}", Method.Get);
            var response = await client.GetAsync(request);
            // controllo risposta
            if (response.StatusCode == System.Net.HttpStatusCode.OK)
            {
                // salvo in redis contenuto serializzato
                string rawData = $"{response.Content}";
                answ = JsonConvert.DeserializeObject<List<AnagKeyValueModel>?>(rawData);
            }
            return await Task.FromResult(answ);
        }

        /// <summary>
        /// Lista record Config
        /// </summary>
        public async Task<List<ConfigModel>?> OnlineListConfig()
        {
            List<ConfigModel>? answ = new List<ConfigModel>();
            // cerco online
            RestClient client = new RestClient(apiUrl);
            string MKeyEnc = HttpUtility.UrlEncode(MasterKey);
            var request = new RestRequest($"api/dbsync/conf/{Installazione}?CodApp={Applicazione}", Method.Get);
            var response = await client.GetAsync(request);
            // controllo risposta
            if (response.StatusCode == System.Net.HttpStatusCode.OK)
            {
                // salvo in redis contenuto serializzato
                string rawData = $"{response.Content}";
                answ = JsonConvert.DeserializeObject<List<ConfigModel>?>(rawData);
            }
            return await Task.FromResult(answ);
        }

        /// <summary>
        /// Lista record Vocabolario
        /// </summary>
        public async Task<List<VocabolarioModel>?> OnlineListVocabolario()
        {
            List<VocabolarioModel>? answ = new List<VocabolarioModel>();
            // cerco online
            RestClient client = new RestClient(apiUrl);
            string MKeyEnc = HttpUtility.UrlEncode(MasterKey);
            var request = new RestRequest($"api/dbsync/vocabolario/{Installazione}?CodApp={Applicazione}", Method.Get);
            var response = await client.GetAsync(request);
            // controllo risposta
            if (response.StatusCode == System.Net.HttpStatusCode.OK)
            {
                // salvo in redis contenuto serializzato
                string rawData = $"{response.Content}";
                answ = JsonConvert.DeserializeObject<List<VocabolarioModel>?>(rawData);
            }
            return await Task.FromResult(answ);
        }

        /// <summary>
        /// Invio file zip di backup al server centrale
        /// </summary>
        /// <param name="CodApp">Cod Applicazione</param>
        /// <param name="CodInst">CLiente / Installazione</param>
        /// <param name="DoUnzip">Invia richiesta UnZip</param>
        /// <param name="ForceApprov">Invia richiesta Approvazione</param>
        /// <param name="ZipFile">ZipFile da inviare</param>
        /// <returns></returns>
        public async Task<bool> SendZipFile(string CodApp, string CodInst, bool DoUnzip, bool ForceApprov, FileInfo ZipFile)
        {
            bool answ = false;
            try
            {
                string apiUrl = "/api/filesave/zipbackup";
                Log.Info($"Inizio chiamata REST | URL: {restOptStd.BaseUrl} | api: {apiUrl}");
                // client chiamate rest
                var client = new RestClient(restOptStd);
                // Chiamo il metodo!
                var actReq = new RestRequest(apiUrl, Method.Post);
                actReq.AddParameter("CodApp", $"{CodApp}");
                actReq.AddParameter("CodInst", $"{CodInst}");
                actReq.AddParameter("DoUnzip", $"{DoUnzip}");
                actReq.AddParameter("ForceApprov", $"{ForceApprov}");
                actReq.AddFile("ZipFile", ZipFile.FullName);
                actReq.AddHeader("Content-Type", "multipart/form-data");
                // effettuo vera chiamata
                var currResp = await client.ExecuteAsync(actReq);
                if ((currResp.StatusCode == System.Net.HttpStatusCode.OK || currResp.StatusCode == System.Net.HttpStatusCode.Created) && currResp.Content != null)
                {
                    // mi restituisce esito upload
                    var currList = JsonConvert.DeserializeObject<UploadResult>(currResp.Content);
                    if (currList != null)
                    {
                        answ = currList.Uploaded;
                        Log.Info($"Invio file | ZipName: {ZipFile.Name} | uploaded: {answ}");
                    }
                }
                else
                {
                    Log.Error($"Errore in invio | StatusCode: {currResp.StatusCode}{Environment.NewLine}{currResp.Content}");
                }
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in fase gestione REST services SendZipFile{Environment.NewLine}{exc}");
            }

            return answ;
        }

        #endregion Public Methods

        #region Protected Methods

        /// <summary>
        /// Cerca di recuperare valore string da elenco AKV
        /// </summary>
        /// <param name="varReq">Chiave AKV richiesta</param>
        /// <returns></returns>
        protected string getAVKStr(string varReq)
        {
            string answ = "";
            if (AKVList != null && AKVList.Count > 0)
            {
                var currRec = AKVList.Where(x => x.NomeVar == varReq).FirstOrDefault();
                if (currRec != null)
                {
                    answ = $"{currRec.ValString}";
                }
            }
            return answ;
        }

        #endregion Protected Methods

        #region Private Fields

        private static IConfiguration? _configuration;

        /// <summary>
        /// Classe logger
        /// </summary>
        private static Logger Log = LogManager.GetCurrentClassLogger();

        #endregion Private Fields

        #region Private Properties

        /// <summary>
        /// URL dell'API x chiamate gestione licenze
        /// </summary>
        private string apiUrl { get; set; } = "https://localhost:5003/";

        /// <summary>
        /// Conf client RestSharp standard:
        /// - base URI al sito
        /// - timeout 1 min
        /// </summary>
        private RestClientOptions restOptStd { get; set; } = new RestClientOptions();

        #endregion Private Properties
    }
}