using System;
using ln.skyscanner.entities;
using ln.types;
using ln.snmp;
using System.Collections.Generic;
using ln.snmp.types;
using ln.logging;
using System.Linq;
using ln.skyscanner.services;

namespace ln.skyscanner.checks
{
    public class Ubiquiti : SkyCheck
    {
        public Ubiquiti()
            :base("ubiquiti")
        {
        }

        public override void Check(CheckService checkService,ref SkyCheckState checkState,Node node)
        {
            UbiquityCheckState ubiquityCheckState = checkState as UbiquityCheckState;

            foreach (URI snmpUri in node.FindURIs("snmp"))
            {
                using (SnmpInterface snmp = SnmpInterface.FromURI(snmpUri,checkService.SNMPEngine))
                {
                    List<String> mibs = null;
                    try
                    {
                        mibs = new List<String>();

                        foreach (Sequence s in snmp.snmpWalk("1.3.6.1.2.1.1.9.1.2"))
                        {
                            if (CheckService.DEBUG)
                                Logging.Log(LogLevel.DEBUG, "Ubiquiti: snmpWalk over OIDs: {0}", (s.Items[1] as ObjectIdentifier).AsString);

                            mibs.Add((s.Items[1] as ObjectIdentifier).AsString);
                        }

                    } catch (TimeoutException)
                    {
                    }

                    if (mibs.Contains("1.3.6.1.4.1.41112"))     // RF Device
                    {
                        Sequence[][] ptp = snmp.snmpWalk(new string[] {
                                                    "1.3.6.1.4.1.41112.1.3.2.1.5",
                                                    "1.3.6.1.4.1.41112.1.3.2.1.6",
                                                    "1.3.6.1.4.1.41112.1.3.2.1.11",
                                                    "1.3.6.1.4.1.41112.1.3.2.1.14",
                                                    "1.3.6.1.4.1.41112.1.3.3.1.64",
                                                    "1.3.6.1.4.1.41112.1.3.3.1.66"
                        });

                        foreach (Sequence[] row in ptp)
                        {
                            node.WritePerformanceValue(checkService.PerformanceValueService, Name, "ptp_rx_capa", (double)((Integer)(row[0].Items[1])).LongValue);
                            node.WritePerformanceValue(checkService.PerformanceValueService, Name, "ptp_tx_capa", (double)((Integer)(row[1].Items[1])).LongValue);
                            node.WritePerformanceValue(checkService.PerformanceValueService, Name, "ptp_rx_pwr", (double)((Integer)(row[2].Items[1])).LongValue, -75.0, 0, -80.0, 0);
                            node.WritePerformanceValue(checkService.PerformanceValueService, Name, "ptp_tx_pwr", (double)((Integer)(row[3].Items[1])).LongValue);

                            long rxBytes = ((Integer)(row[4].Items[1])).LongValue;
                            long txBytes = ((Integer)(row[5].Items[1])).LongValue;

                            ubiquityCheckState.RXRate.Update(rxBytes * 8);
                            ubiquityCheckState.TXRate.Update(txBytes * 8);

                            node.WritePerformanceValue(checkService.PerformanceValueService, Name, "ptp_rx_rate", ubiquityCheckState.RXRate.Current);
                            node.WritePerformanceValue(checkService.PerformanceValueService, Name, "ptp_tx_rate", ubiquityCheckState.TXRate.Current);
                        }
                    }
                }
                break;
            }
            checkState.CheckState = CheckState.OK;
        }

        public override bool IsValid(Node node)
        {
            return (node.Vendor != null) && node.Vendor.Equals("Ubiquiti");
        }

        public override SkyCheckState PrepareCheckState(CheckService skyChecker, Node node)
        {
            return new UbiquityCheckState(this, node);
        }
    }

    class UbiquityCheckState : SkyCheckState
    {
        public dVdT RXRate { get; private set; }
        public dVdT TXRate { get; private set; }

        public UbiquityCheckState(SkyCheck skyCheck,Node node)
            :base(skyCheck,node)
        {
            RXRate = new dVdT();
            TXRate = new dVdT();
        }
        private UbiquityCheckState()
        { }

    }
}