using IOB_UT_NEXT;
using MapoSDK;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.NetworkInformation;
using System.Text;
using System.Threading.Tasks;

namespace IOB_WIN_NEXT
{
    public class IobPing : IobGeneric
    {
        #region Protected Fields

        protected int PoweroffTimeoutSec = 100;

        /// <summary>
        /// Veto controllo status x log...
        /// </summary>
        protected DateTime vetoCheckStatus = DateTime.Now;

        #endregion Protected Fields

        #region Public Constructors

        /// <summary>
        /// Estende l'init della classe base
        /// <param name="caller"></param>
        /// <param name="IOBConf"></param>
        public IobPing(AdapterForm caller, IobConfiguration IOBConf) : base(caller, IOBConf)
        {
            lgInfo("NEW IobPing (WatchDog)");
            // init datetime counters
            DateTime adesso = DateTime.Now;
            lastPzCountSend = adesso;
            lastWarnODL = adesso;
            vetoCheckStatus = adesso;
            var POWEROFF_TIMEOUT_SEC = getOptPar("POWEROFF_TIMEOUT_SEC");
            if (!string.IsNullOrEmpty(POWEROFF_TIMEOUT_SEC))
            {
                int.TryParse(POWEROFF_TIMEOUT_SEC, out PoweroffTimeoutSec);
            }
            lgInfo($"L'adapter effettuera' PING di controllo all'indirizzo {IOBConf.cncIpAddr} per forzare stato poweroff dopo {PoweroffTimeoutSec} sec");
        }

        #endregion Public Constructors

        #region Public Methods

        /// <summary>
        /// metodo controllo ping lento, override AutoODL
        /// </summary>
        public override void processDisconnectedTask()
        {
            // effettuo check ping!
            DateTime adesso = DateTime.Now;
            if (adesso.Subtract(lastPING).TotalSeconds >= PoweroffTimeoutSec)
            {
                // invio poweroff!
                newDisplayData currDispData = new newDisplayData();
                readSemafori(ref currDispData);
                // SOLO SE ho poweroff da inviare...
                if (B_output == 0)
                {
                    accodaSigIN(ref currDispData);
                    // reset last ping...
                    lastPING = DateTime.Now;
                }
            }
        }

        /// <summary>
        /// Effettua lettura semafori principale
        /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
        /// </summary>
        public override void readSemafori(ref newDisplayData currDispData)
        {
            byte[] MemBlock = new byte[2];
            try
            {
                currDispData.semIn = Semaforo.SV;

                // se passa il ping faccio il resto...
                if (testPingMachine == IPStatus.Success)
                {
                    // in primis salvo data ping...
                    lastPING = DateTime.Now;
                    connectionOk = true;
                }
                else
                {
                    connectionOk = false;
                }

                if (connectionOk)
                {
                    B_input = 1;
                }
                else
                {
                    B_input = 0;
                }
                // annullo lettura bit signal IN pre/post x evitare invio automatico...
                B_output = B_input;
                B_previous = B_input;
            }
            catch
            {
                currDispData.semIn = Semaforo.SR;
            }
        }

        /// Override connessione
        /// </summary>
        public override void tryConnect()
        {
            bool doLog = (verboseLog || periodicLog);
            lgInfo("PING: tryConnect step 01");
            if (!connectionOk)
            {
                // controllo che il ping sia stato tentato almeno pingTestSec fa...
                if (DateTime.Now.Subtract(lastPING).TotalSeconds > utils.CRI("pingTestSec"))
                {
                    if (doLog)
                    {
                        lgInfo("PING: ConnKO - tryConnect");
                    }
                    lgInfo("PING: tryConnect step 04");

                    // se passa il ping faccio il resto...
                    if (testPingMachine == IPStatus.Success)
                    {
                        // in primis salvo data ping...
                        lastPING = DateTime.Now;
                        connectionOk = true;
                        lgInfo("PING OK");
                    }
                    else
                    {
                        // loggo no risposta ping ...
                        connectionOk = false;
                        lgInfo("PING KO");
                    }
                }
            }
        }

        /// <summary>
        /// Override disconnessione
        /// </summary>
        public override void tryDisconnect()
        {
            lgInfo("Richiesta disconnessione adapter PING!");
            connectionOk = false;
        }

        #endregion Public Methods
    }
}