#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;

namespace HeuristicLab.Problems.Instances.CFSAP {
  public class BozejkoCFSAPInstanceProvider : ProblemInstanceProvider<CFSAPData> {

    public override string Name {
      get { return "Bozejko (random CFSAP)"; }
    }

    public override string Description {
      get { return string.Empty; }
    }

    public override Uri WebLink {
      get { return null; }
    }

    public override string ReferencePublication {
      get { return string.Empty; }
    }

    public override bool CanImportData {
      get { return true; }
    }

    private CFSAPData LoadInstance(Stream stream) {
      var parser = new BozejkoCFSAPParser();
      parser.Parse(stream);
      return new CFSAPData {
        Jobs = parser.Jobs,
        Nests = parser.Nests,
        Machines = parser.Machines,
        ProcessingTimes = parser.ProcessingTimes,
        SetupTimes = parser.SetupTimes
      };
    }

    public override CFSAPData ImportData(string path) {
      var instance = LoadInstance(new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite));
      instance.Name = Path.GetFileName(path);
      instance.Description = "Imported from " + path + " " + DateTime.Now;
      return instance;
    }

    public override IEnumerable<IDataDescriptor> GetDataDescriptors() {
      var instanceArchiveName = GetResourceName(@"BozejkoCFSAP\.zip");
      if (String.IsNullOrEmpty(instanceArchiveName)) yield break;

      using (var instanceStream = new ZipArchive(GetType().Assembly.GetManifestResourceStream(instanceArchiveName), ZipArchiveMode.Read)) {
        foreach (var entry in instanceStream.Entries.Select(x => x.Name).OrderBy(x => x)) {
          yield return new BozejkoCFSAPDataDescriptor(Path.GetFileNameWithoutExtension(entry),
                                                      GetInstanceDescription(), entry);
        }
      }
    }

    public override CFSAPData LoadData(IDataDescriptor id) {
      var descriptor = (BozejkoCFSAPDataDescriptor)id;
      var instanceArchiveName = GetResourceName(@"BozejkoCFSAP\.zip");
      using (var instancesZipFile = new ZipArchive(GetType().Assembly.GetManifestResourceStream(instanceArchiveName), ZipArchiveMode.Read)) {
        var entry = instancesZipFile.GetEntry(descriptor.InstanceIdentifier);
        var instance = LoadInstance(entry.Open());
        instance.Name = id.Name;
        instance.Description = id.Description;
        int bkct;
        if (bestKnownCycleTimes.TryGetValue(id.Name, out bkct))
          instance.BestKnownCycleTime = bkct;
        return instance;
      }
    }

    private string GetResourceName(string fileName) {
      return Assembly.GetExecutingAssembly()
                     .GetManifestResourceNames()
                     .SingleOrDefault(x => Regex.Match(x, @".*\.Data\." + fileName).Success);
    }

    private string GetInstanceDescription() {
      return "Embedded instance of plugin version " + Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyFileVersionAttribute), true).Cast<AssemblyFileVersionAttribute>().First().Version + ".";
    }

    private static readonly Dictionary<string, int> bestKnownCycleTimes = new Dictionary<string, int>() {
{ "gi_001",  608 },
{ "gi_002",  623 },
{ "gi_003",  500 },
{ "gi_004",  585 },
{ "gi_005",  549 },
{ "gi_006",  629 },
{ "gi_007",  603 },
{ "gi_008",  506 },
{ "gi_009",  588 },
{ "gi_010",  493 },
{ "gi_011",  597 },
{ "gi_012",  554 },
{ "gi_013",  594 },
{ "gi_014",  505 },
{ "gi_015",  631 },
{ "gi_016",  626 },
{ "gi_017",  585 },
{ "gi_018",  529 },
{ "gi_019",  649 },
{ "gi_020",  561 },
{ "gi_021",  535 },
{ "gi_022",  586 },
{ "gi_023",  602 },
{ "gi_024",  607 },
{ "gi_025",  598 },
{ "gi_026",  572 },
{ "gi_027",  605 },
{ "gi_028",  619 },
{ "gi_029",  646 },
{ "gi_030",  591 },
{ "gi_031",  958 },
{ "gi_032",  838 },
{ "gi_033",  974 },
{ "gi_034",  904 },
{ "gi_035", 1002 },
{ "gi_036",  998 },
{ "gi_037",  988 },
{ "gi_038",  872 },
{ "gi_039", 1009 },
{ "gi_040", 1000 },
{ "gi_041",  992 },
{ "gi_042", 1097 },
{ "gi_043",  989 },
{ "gi_044", 1038 },
{ "gi_045",  998 },
{ "gi_046", 1077 },
{ "gi_047",  997 },
{ "gi_048",  921 },
{ "gi_049",  902 },
{ "gi_050", 1035 },
{ "gi_051",  914 },
{ "gi_052", 1019 },
{ "gi_053",  997 },
{ "gi_054",  928 },
{ "gi_055",  973 },
{ "gi_056", 1011 },
{ "gi_057",  943 },
{ "gi_058",  959 },
{ "gi_059", 1079 },
{ "gi_060",  940 },
{ "gi_061", 2176 },
{ "gi_062", 2100 },
{ "gi_063", 2147 },
{ "gi_064", 2289 },
{ "gi_065", 2171 },
{ "gi_066", 2185 },
{ "gi_067", 2152 },
{ "gi_068", 2321 },
{ "gi_069", 2173 },
{ "gi_070", 2242 },
{ "gi_071", 2222 },
{ "gi_072", 2403 },
{ "gi_073", 2305 },
{ "gi_074", 2279 },
{ "gi_075", 2283 },
{ "gi_076", 2014 },
{ "gi_077", 2185 },
{ "gi_078", 2236 },
{ "gi_079", 2223 },
{ "gi_080", 2132 },
{ "gi_081", 2147 },
{ "gi_082", 2285 },
{ "gi_083", 2270 },
{ "gi_084", 2264 },
{ "gi_085", 2192 },
{ "gi_086", 2052 },
{ "gi_087", 2130 },
{ "gi_088", 2172 },
{ "gi_089", 2530 },
{ "gi_090", 2498 },
{ "gi_091", 4465 },
{ "gi_092", 4269 },
{ "gi_093", 4199 },
{ "gi_094", 4319 },
{ "gi_095", 4154 },
{ "gi_096", 4355 },
{ "gi_097", 4363 },
{ "gi_098", 4264 },
{ "gi_099", 4133 },
{ "gi_100", 4313 },
{ "gi_101", 4284 },
{ "gi_102", 4421 },
{ "gi_103", 4279 },
{ "gi_104", 4295 },
{ "gi_105", 4290 },
{ "gi_106", 4257 },
{ "gi_107", 4604 },
{ "gi_108", 4285 },
{ "gi_109", 4570 },
{ "gi_110", 4219 },
{ "gi_111", 4472 },
{ "gi_112", 4460 },
{ "gi_113", 4446 },
{ "gi_114", 4504 },
{ "gi_115", 4417 },
{ "gi_116", 4503 },
{ "gi_117", 4442 },
{ "gi_118", 4411 },
{ "gi_119", 4506 },
{ "gi_120", 4556 }
    };
  }
}