using Core;
using LiMan.APi.Data;
using LiMan.DB.DBModels;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using NLog;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace LiMan.APi.Controllers
{
    /// <summary>
    /// Controller livello APPLICAZIONE
    /// </summary>
    [Route("api/enroller")]
    [ApiController]
    public class EnrollerController : ControllerBase
    {
        #region Public Constructors

        /// <summary>
        /// Init generico
        /// </summary>
        /// <param name="DataService"></param>
        public EnrollerController(ApiDataService DataService)
        {
            dataService = DataService;
            Log.Info("Avviata classe ApplicazioneController");
        }

        #endregion Public Constructors

        #region Public Methods

        /// <summary>
        /// Recupera record di enroll di una richiesta x ricavarne ID licenza da applicare
        /// </summary>
        /// <param name="id">ID richiesta</param>
        /// <param name="passcode">passcode associato</param>
        /// <returns></returns>
        [HttpGet("{id}")]
        public async Task<EnrollRequestModel> Get(string id, int passcode)
        {
            string CodInst = "NA";
            string CodApp = "Updater";
            int reqId = 0;
            int.TryParse(id, out reqId);
            EnrollRequestModel reqRec = await dataService.EnrollReqGetById(reqId);
            // solo se il passcode è corretto restituisco record, altrimenti fake one...
            if (reqRec != null && reqRec.Passcode != passcode)
            {
                reqRec = new EnrollRequestModel() { IdReq = reqId };
            }
            await dataService.recordCall(CodInst, CodApp, $"GET:api/enroller/{id}");
            return reqRec;
        }

        /// <summary>
        /// Recupera record della licenza (mainKey) associata ad una richiesta date le sue info ID, passcode, ID licenza asegnata
        /// </summary>
        /// <param name="id">ID richiesta</param>
        /// <param name="passcode">passcode associato</param>
        /// <param name="idLic">ID licenza associato</param>
        /// <returns></returns>
        [HttpGet("getLicense/{id}")]
        public async Task<LicenzaModel> GetLicData(string id, int passcode, int idLic)
        {
            string CodInst = "NA";
            string CodApp = "Updater";
            int reqId = 0;
            int.TryParse(id, out reqId);
            EnrollRequestModel reqRec = await dataService.EnrollReqGetById(reqId);
            // init licenza non valida
            LicenzaModel licRec = new LicenzaModel()
            {
                IdxLic = idLic,
                Chiave = "",
                CodInst = "NA",
                CodApp = "None",
                NumLicenze = 0,
                Scadenza = DateTime.Today.AddYears(-1),
                Payload = "",
                Enigma = ""
            };
            // solo se sono corretti passcode e idLic corretto restituisco record, altrimenti fake one...
            if (reqRec != null && reqRec.Passcode == passcode && reqRec.IdxLic == idLic)
            {
                licRec = await dataService.LicenzaById(idLic);
                CodInst = licRec.CodInst;
                CodApp = licRec.CodApp;
            }
            await dataService.recordCall(CodInst, CodApp, $"GET:api/enroller/getLicense/{id}");
            return licRec;
        }

        /// <summary>
        /// Richiesta di un record con codice TOTP per l'enroll di un app client
        /// </summary>
        [HttpPost("getNewEnrollRec")]
        public async Task<EnrollRequestModel> GetNewEnrollRec([FromBody] Dictionary<string, string> MachineInfo)
        {
            string CodInst = "NA";
            string CodApp = "Updater";
            var newRec = await dataService.EnrollReqCreate(MachineInfo);
            await dataService.recordCall(CodInst, CodApp, $"GET:api/enroller/GetEnrollRec");
            return newRec;
        }

        #endregion Public Methods

        #region Protected Properties

        /// <summary>
        /// Dataservice x accesso DB
        /// </summary>
        protected ApiDataService dataService { get; set; }

        #endregion Protected Properties

        #region Private Fields

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

        /// <summary>
        /// Generatore pseudocasuale
        /// </summary>
        private Random rnd = new Random();

        #endregion Private Fields
    }
}