#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2010 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.Linq;
using HeuristicLab.Hive.Contracts.BusinessObjects;
using HeuristicLab.Hive.Server.DataAccess;

namespace HeuristicLab.Hive.Server.LINQDataAccess {
  public class HiveExperimentDao : BaseDao<HiveExperimentDto, HiveExperiment>, IHiveExperimentDao {
    #region IGenericDao<HiveExperimentDto> Members

    HiveExperimentDto IGenericDao<HiveExperimentDto>.FindById(Guid id) {
      return (from he in Context.HiveExperiments
              where he.HiveExperimentId.Equals(id)
              select EntityToDto(he, null)).SingleOrDefault();
    }

    IEnumerable<HiveExperimentDto> IGenericDao<HiveExperimentDto>.FindAll() {
      return (from he in Context.HiveExperiments
              select EntityToDto(he, null)).ToList();
    }

    public HiveExperimentDto Insert(HiveExperimentDto bObj) {
      HiveExperiment he = DtoToEntity(bObj, null);
      Context.HiveExperiments.InsertOnSubmit(he);
      CommitChanges();
      bObj.Id = he.HiveExperimentId;
      return bObj;
    }

    public void Delete(Guid id) {
      HiveExperiment he = Context.HiveExperiments.SingleOrDefault(h => h.HiveExperimentId.Equals(id));
      Context.HiveExperiments.DeleteOnSubmit(he);
      Context.SubmitChanges();
    }

    public void Update(HiveExperimentDto bObj) {
      HiveExperiment he = Context.HiveExperiments.SingleOrDefault(h => h.HiveExperimentId.Equals(bObj.Id));
      DtoToEntity(bObj, he);
      CommitChanges();
    }

    public IEnumerable<HiveExperimentDto> FindAllByUserId(Guid userId) {
      return (from he in Context.HiveExperiments
                where he.UserId.Equals(userId)
                select EntityToDto(he, null)).ToList();
    }

    #endregion

    public override HiveExperiment DtoToEntity(HiveExperimentDto source, HiveExperiment target) {
      if (source == null)
        return null;
      if (target == null)
        target = new HiveExperiment();

      target.HiveExperimentId = source.Id;
      target.Name = source.Name;
      target.Description = source.Description;
      target.ResourceIds = source.ResourceIds;
      target.UserId = source.UserId;

      target.RootJobId = source.RootJobId;
      //if (source.RootJobId.HasValue) {
      //  var jobDao = new JobDao();
      //  target.RootJob = jobDao.DtoToEntity(jobDao.FindById(source.RootJobId.Value), null);
      //} else {
      //  target.RootJob = null;
      //}
      
      return target;
    }

    public override HiveExperimentDto EntityToDto(HiveExperiment source, HiveExperimentDto target) {
      if (source == null)
        return null;
      if (target == null)
        target = new HiveExperimentDto();

      target.Id = source.HiveExperimentId;
      target.Name = source.Name;
      target.Description = source.Description;
      target.ResourceIds = source.ResourceIds;
      target.UserId = source.UserId;
      target.RootJobId = source.RootJobId;

      return target;
    }
  }
}