// /**
//  * File: SkyEntities.cs
//  * Author: haraldwolff
//  *
//  * This file and it's content is copyrighted by the Author and / or copyright holder.
//  * Any use wihtout proper permission is illegal and may lead to legal actions.
//  *
//  *
//  **/
using System;
using ln.types.odb;
using ln.skyscanner.entities;
using System.IO;
using ln.http.resources;
using System.Linq;
using ln.types.odb.mapped;
using ln.types.net;
using ln.skyscanner.crawl;
using ln.skyscanner.checks;
using ln.logging;
using System.Collections.Generic;

namespace ln.skyscanner
{
    public class SkyEntities
    {
        public SkyScanner SkyScanner { get; }
        public string BasePath => Path.Combine(SkyScanner.BasePath, "entities");

        public GlobalNetwork GlobalNetwork { get; private set; }


        public ODB ODB { get; private set; }

        public ODBCollection<Node> NodeCollection { get; private set; }
        public ODBCollection<Subnet> SubnetCollection { get; private set; }

        public ODBCollection<PointOfPresence> PointOfPresenceCollection { get; private set; }
        public ODBCollection<L2Segment> L2SegmentCollection { get; private set; }

        public ODBCollection<CrawledHost> CrawledHosts { get; private set; }
        public ODBCollection<CrawledSubnet> CrawledSubnets { get; private set; }

        public ODBCollection<Network4> BlockedNetworks { get; private set; }

        public ODBCollection<SkyCheckState> SkyCheckStates { get; private set; }

        public SkyEntities(SkyScanner skyScanner)
        {
            SkyScanner = skyScanner;

            Logging.Log(LogLevel.INFO, "SkyEntities: initializing");

            ODB = new ODB(BasePath);

            NodeCollection = ODB.GetCollection<Node>();
            NodeCollection.EnableStrongCache(true);
            NodeCollection.EnsureIndex("uniqueIdentity", true);
            NodeCollection.EnsureIndeces(
                "PrimaryIP",
                "Interfaces[].ConfiguredIPs[].IP",
                "Interfaces[].ConfiguredIPs[].Network"
                );

            Network4 n192 = Network4.Parse("192.168.0.0/16");

            /* Preload all nodes to increase load speed*/
            foreach (Node node in NodeCollection.ToArray())
            {
                //if (n192.Contains(node.PrimaryIP))
                    //NodeCollection.Delete(node);
            }

            SubnetCollection = ODB.GetCollection<Subnet>();
            SubnetCollection.EnsureIndeces("Network");

            PointOfPresenceCollection = ODB.GetCollection<PointOfPresence>();
            PointOfPresenceCollection.EnsureIndeces("ForeignName");

            L2SegmentCollection = ODB.GetCollection<L2Segment>();
            L2SegmentCollection.EnsureIndeces("Network","PoPs");

            CrawledHosts = ODB.GetCollection<CrawledHost>();
            CrawledHosts.EnsureIndeces("PrimaryIP","IPAddresses[]");

            CrawledSubnets = ODB.GetCollection<CrawledSubnet>();
            BlockedNetworks = ODB.GetCollection<Network4>("blockedNetworks");

            SkyCheckStates = ODB.GetCollection<SkyCheckState>();
            SkyCheckStates.EnableStrongCache(true);
            SkyCheckStates.EnsureIndeces("Node");
            SkyCheckStates.EnsureUniqueness("Node", "CheckName");

            //foreach (SkyCheckState checkState in SkyCheckStates.ToArray())
            //{
            //    if (object.ReferenceEquals(checkState.Node, null))
            //        SkyCheckStates.Delete(checkState);
            //}

            Logging.Log(LogLevel.INFO, "SkyEntities: initialized");

            GlobalNetwork = new GlobalNetwork();
        }

        public PerformanceValue LookupPerformanceValue(String perfName)
        {
            string[] resourcePath = perfName.Split('/');

            Node node = NodeCollection.Query("uniqueIdentity", resourcePath[0]).FirstOrDefault();
            if (node == null)
                throw new KeyNotFoundException();

            SkyCheckState skyCheckState = SkyCheckStates.Query(
                Query.AND(
                    Query.Equals<SkyCheckState>("Node", node.ID),
                    Query.Equals<SkyCheckState>("CheckName", resourcePath[1])
                    )
                ).FirstOrDefault();
            if (skyCheckState == null)
                throw new KeyNotFoundException();

            foreach (PerformanceValue performanceValue in skyCheckState.PerformanceValues)
                if (performanceValue.PerfName.Equals(perfName))
                    return performanceValue;

            throw new KeyNotFoundException();
        }


    }
}